./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--ath--ath6kl--ath6kl_usb.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6b4ec56b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea9022a7-01c1-49f9-ad74-f26cfb259851/bin/uautomizer-ug76WZFUDN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea9022a7-01c1-49f9-ad74-f26cfb259851/bin/uautomizer-ug76WZFUDN/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea9022a7-01c1-49f9-ad74-f26cfb259851/bin/uautomizer-ug76WZFUDN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea9022a7-01c1-49f9-ad74-f26cfb259851/bin/uautomizer-ug76WZFUDN/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--ath--ath6kl--ath6kl_usb.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea9022a7-01c1-49f9-ad74-f26cfb259851/bin/uautomizer-ug76WZFUDN/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea9022a7-01c1-49f9-ad74-f26cfb259851/bin/uautomizer-ug76WZFUDN --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 037f6e8e4bd200c248573cc05d02b8c7bc97a7f8cca3135a2970ec46958bec59 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-6b4ec56 [2022-11-20 11:59:23,568 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 11:59:23,570 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 11:59:23,615 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 11:59:23,616 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 11:59:23,638 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 11:59:23,643 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 11:59:23,647 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 11:59:23,649 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 11:59:23,656 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 11:59:23,657 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 11:59:23,659 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 11:59:23,661 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 11:59:23,663 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 11:59:23,667 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 11:59:23,670 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 11:59:23,672 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 11:59:23,673 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 11:59:23,675 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 11:59:23,679 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 11:59:23,683 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 11:59:23,700 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 11:59:23,702 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 11:59:23,703 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 11:59:23,716 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 11:59:23,716 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 11:59:23,717 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 11:59:23,718 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 11:59:23,720 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 11:59:23,721 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 11:59:23,723 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 11:59:23,724 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 11:59:23,726 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 11:59:23,728 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 11:59:23,730 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 11:59:23,730 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 11:59:23,731 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 11:59:23,732 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 11:59:23,732 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 11:59:23,734 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 11:59:23,735 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 11:59:23,736 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea9022a7-01c1-49f9-ad74-f26cfb259851/bin/uautomizer-ug76WZFUDN/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-11-20 11:59:23,811 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 11:59:23,811 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 11:59:23,812 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 11:59:23,812 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 11:59:23,813 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 11:59:23,813 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 11:59:23,814 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 11:59:23,814 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 11:59:23,814 INFO L138 SettingsManager]: * Use SBE=true [2022-11-20 11:59:23,815 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 11:59:23,815 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 11:59:23,815 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 11:59:23,816 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 11:59:23,816 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 11:59:23,816 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 11:59:23,816 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 11:59:23,817 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 11:59:23,817 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 11:59:23,817 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 11:59:23,817 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-20 11:59:23,818 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 11:59:23,818 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 11:59:23,818 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 11:59:23,819 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 11:59:23,819 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 11:59:23,835 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-20 11:59:23,835 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 11:59:23,835 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-20 11:59:23,836 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-20 11:59:23,836 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 11:59:23,837 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea9022a7-01c1-49f9-ad74-f26cfb259851/bin/uautomizer-ug76WZFUDN/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea9022a7-01c1-49f9-ad74-f26cfb259851/bin/uautomizer-ug76WZFUDN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 037f6e8e4bd200c248573cc05d02b8c7bc97a7f8cca3135a2970ec46958bec59 [2022-11-20 11:59:24,169 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 11:59:24,193 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 11:59:24,196 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 11:59:24,197 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 11:59:24,198 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 11:59:24,199 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea9022a7-01c1-49f9-ad74-f26cfb259851/bin/uautomizer-ug76WZFUDN/../../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--ath--ath6kl--ath6kl_usb.ko-entry_point.cil.out.i [2022-11-20 11:59:27,224 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 11:59:28,042 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 11:59:28,042 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea9022a7-01c1-49f9-ad74-f26cfb259851/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--ath--ath6kl--ath6kl_usb.ko-entry_point.cil.out.i [2022-11-20 11:59:28,085 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea9022a7-01c1-49f9-ad74-f26cfb259851/bin/uautomizer-ug76WZFUDN/data/93740e034/2ee965dee037456bae96417a26541d0d/FLAGc033eb6da [2022-11-20 11:59:28,102 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea9022a7-01c1-49f9-ad74-f26cfb259851/bin/uautomizer-ug76WZFUDN/data/93740e034/2ee965dee037456bae96417a26541d0d [2022-11-20 11:59:28,105 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 11:59:28,107 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 11:59:28,108 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 11:59:28,109 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 11:59:28,113 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 11:59:28,114 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:59:28" (1/1) ... [2022-11-20 11:59:28,115 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2a8c0921 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:59:28, skipping insertion in model container [2022-11-20 11:59:28,115 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:59:28" (1/1) ... [2022-11-20 11:59:28,124 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 11:59:28,263 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 11:59:29,256 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea9022a7-01c1-49f9-ad74-f26cfb259851/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--ath--ath6kl--ath6kl_usb.ko-entry_point.cil.out.i[190557,190570] [2022-11-20 11:59:30,049 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 11:59:30,081 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 11:59:30,335 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea9022a7-01c1-49f9-ad74-f26cfb259851/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--ath--ath6kl--ath6kl_usb.ko-entry_point.cil.out.i[190557,190570] [2022-11-20 11:59:30,563 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 11:59:30,630 INFO L208 MainTranslator]: Completed translation [2022-11-20 11:59:30,631 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:59:30 WrapperNode [2022-11-20 11:59:30,633 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 11:59:30,634 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 11:59:30,635 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 11:59:30,635 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 11:59:30,644 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:59:30" (1/1) ... [2022-11-20 11:59:30,723 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:59:30" (1/1) ... [2022-11-20 11:59:30,803 INFO L138 Inliner]: procedures = 175, calls = 709, calls flagged for inlining = 71, calls inlined = 62, statements flattened = 1862 [2022-11-20 11:59:30,803 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 11:59:30,804 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 11:59:30,804 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 11:59:30,805 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 11:59:30,815 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:59:30" (1/1) ... [2022-11-20 11:59:30,816 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:59:30" (1/1) ... [2022-11-20 11:59:30,828 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:59:30" (1/1) ... [2022-11-20 11:59:30,829 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:59:30" (1/1) ... [2022-11-20 11:59:30,941 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:59:30" (1/1) ... [2022-11-20 11:59:30,953 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:59:30" (1/1) ... [2022-11-20 11:59:30,984 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:59:30" (1/1) ... [2022-11-20 11:59:30,993 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:59:30" (1/1) ... [2022-11-20 11:59:31,028 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 11:59:31,029 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 11:59:31,030 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 11:59:31,030 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 11:59:31,031 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:59:30" (1/1) ... [2022-11-20 11:59:31,041 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 11:59:31,055 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea9022a7-01c1-49f9-ad74-f26cfb259851/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:59:31,072 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea9022a7-01c1-49f9-ad74-f26cfb259851/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-20 11:59:31,107 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea9022a7-01c1-49f9-ad74-f26cfb259851/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-20 11:59:31,133 INFO L130 BoogieDeclarations]: Found specification of procedure ath6kl_usb_cleanup_scatter [2022-11-20 11:59:31,133 INFO L138 BoogieDeclarations]: Found implementation of procedure ath6kl_usb_cleanup_scatter [2022-11-20 11:59:31,134 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-11-20 11:59:31,134 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-11-20 11:59:31,134 INFO L130 BoogieDeclarations]: Found specification of procedure ath6kl_usb_submit_ctrl_out [2022-11-20 11:59:31,134 INFO L138 BoogieDeclarations]: Found implementation of procedure ath6kl_usb_submit_ctrl_out [2022-11-20 11:59:31,134 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-20 11:59:31,135 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2022-11-20 11:59:31,135 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2022-11-20 11:59:31,135 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2022-11-20 11:59:31,135 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2022-11-20 11:59:31,136 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-20 11:59:31,136 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-20 11:59:31,136 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-20 11:59:31,137 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-20 11:59:31,137 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-20 11:59:31,137 INFO L130 BoogieDeclarations]: Found specification of procedure usb_put_dev [2022-11-20 11:59:31,137 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_put_dev [2022-11-20 11:59:31,138 INFO L130 BoogieDeclarations]: Found specification of procedure ath6kl_usb_diag_write32 [2022-11-20 11:59:31,138 INFO L138 BoogieDeclarations]: Found implementation of procedure ath6kl_usb_diag_write32 [2022-11-20 11:59:31,138 INFO L130 BoogieDeclarations]: Found specification of procedure ath6kl_usb_destroy [2022-11-20 11:59:31,138 INFO L138 BoogieDeclarations]: Found implementation of procedure ath6kl_usb_destroy [2022-11-20 11:59:31,138 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free [2022-11-20 11:59:31,139 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free [2022-11-20 11:59:31,139 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2022-11-20 11:59:31,139 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2022-11-20 11:59:31,139 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-20 11:59:31,140 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-20 11:59:31,140 INFO L130 BoogieDeclarations]: Found specification of procedure ath6kl_usb_get_default_pipe [2022-11-20 11:59:31,140 INFO L138 BoogieDeclarations]: Found implementation of procedure ath6kl_usb_get_default_pipe [2022-11-20 11:59:31,140 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_alloc [2022-11-20 11:59:31,140 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_alloc [2022-11-20 11:59:31,141 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-20 11:59:31,142 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-20 11:59:31,142 INFO L130 BoogieDeclarations]: Found specification of procedure ath6kl_usb_power_off [2022-11-20 11:59:31,143 INFO L138 BoogieDeclarations]: Found implementation of procedure ath6kl_usb_power_off [2022-11-20 11:59:31,143 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-20 11:59:31,144 INFO L130 BoogieDeclarations]: Found specification of procedure ath6kl_usb_bmi_read [2022-11-20 11:59:31,144 INFO L138 BoogieDeclarations]: Found implementation of procedure ath6kl_usb_bmi_read [2022-11-20 11:59:31,144 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_bulk_urb [2022-11-20 11:59:31,145 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_bulk_urb [2022-11-20 11:59:31,145 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-11-20 11:59:31,145 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-11-20 11:59:31,145 INFO L130 BoogieDeclarations]: Found specification of procedure ath6kl_usb_stop [2022-11-20 11:59:31,145 INFO L138 BoogieDeclarations]: Found implementation of procedure ath6kl_usb_stop [2022-11-20 11:59:31,146 INFO L130 BoogieDeclarations]: Found specification of procedure ath6kl_usb_get_free_queue_number [2022-11-20 11:59:31,146 INFO L138 BoogieDeclarations]: Found implementation of procedure ath6kl_usb_get_free_queue_number [2022-11-20 11:59:31,146 INFO L130 BoogieDeclarations]: Found specification of procedure ath6kl_usb_free_urb_to_pipe [2022-11-20 11:59:31,147 INFO L138 BoogieDeclarations]: Found implementation of procedure ath6kl_usb_free_urb_to_pipe [2022-11-20 11:59:31,147 INFO L130 BoogieDeclarations]: Found specification of procedure ath6kl_usb_flush_all [2022-11-20 11:59:31,147 INFO L138 BoogieDeclarations]: Found implementation of procedure ath6kl_usb_flush_all [2022-11-20 11:59:31,147 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u16 [2022-11-20 11:59:31,148 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-20 11:59:31,148 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-20 11:59:31,148 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-20 11:59:31,148 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-20 11:59:31,149 INFO L130 BoogieDeclarations]: Found specification of procedure ath6kl_usb_ctrl_msg_exchange [2022-11-20 11:59:31,150 INFO L138 BoogieDeclarations]: Found implementation of procedure ath6kl_usb_ctrl_msg_exchange [2022-11-20 11:59:31,150 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-20 11:59:31,150 INFO L130 BoogieDeclarations]: Found specification of procedure ath6kl_usb_cleanup_recv_urb [2022-11-20 11:59:31,150 INFO L138 BoogieDeclarations]: Found implementation of procedure ath6kl_usb_cleanup_recv_urb [2022-11-20 11:59:31,151 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-11-20 11:59:31,151 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-11-20 11:59:31,151 INFO L130 BoogieDeclarations]: Found specification of procedure ath6kl_usb_submit_ctrl_in [2022-11-20 11:59:31,151 INFO L138 BoogieDeclarations]: Found implementation of procedure ath6kl_usb_submit_ctrl_in [2022-11-20 11:59:31,151 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 11:59:31,152 INFO L130 BoogieDeclarations]: Found specification of procedure ath6kl_usb_power_on [2022-11-20 11:59:31,152 INFO L138 BoogieDeclarations]: Found implementation of procedure ath6kl_usb_power_on [2022-11-20 11:59:31,152 INFO L130 BoogieDeclarations]: Found specification of procedure ath6kl_usb_priv [2022-11-20 11:59:31,152 INFO L138 BoogieDeclarations]: Found implementation of procedure ath6kl_usb_priv [2022-11-20 11:59:31,152 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 11:59:31,153 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-20 11:59:31,154 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-11-20 11:59:31,154 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-11-20 11:59:31,154 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-20 11:59:31,154 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2022-11-20 11:59:31,155 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2022-11-20 11:59:31,155 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_remove [2022-11-20 11:59:31,155 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_remove [2022-11-20 11:59:31,155 INFO L130 BoogieDeclarations]: Found specification of procedure ath6kl_usb_alloc_urb_from_pipe [2022-11-20 11:59:31,155 INFO L138 BoogieDeclarations]: Found implementation of procedure ath6kl_usb_alloc_urb_from_pipe [2022-11-20 11:59:31,156 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u32 [2022-11-20 11:59:31,156 INFO L130 BoogieDeclarations]: Found specification of procedure ath6kl_usb_remove [2022-11-20 11:59:31,157 INFO L138 BoogieDeclarations]: Found implementation of procedure ath6kl_usb_remove [2022-11-20 11:59:31,157 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2022-11-20 11:59:31,157 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2022-11-20 11:59:31,158 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-11-20 11:59:31,158 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-11-20 11:59:31,158 INFO L130 BoogieDeclarations]: Found specification of procedure usb_anchor_urb [2022-11-20 11:59:31,159 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_anchor_urb [2022-11-20 11:59:31,160 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 11:59:31,160 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-20 11:59:31,160 INFO L130 BoogieDeclarations]: Found specification of procedure ath6kl_usb_post_recv_transfers [2022-11-20 11:59:31,160 INFO L138 BoogieDeclarations]: Found implementation of procedure ath6kl_usb_post_recv_transfers [2022-11-20 11:59:31,161 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-11-20 11:59:31,161 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-11-20 11:59:31,161 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-11-20 11:59:31,161 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-11-20 11:59:31,161 INFO L130 BoogieDeclarations]: Found specification of procedure ath6kl_usb_map_service_pipe [2022-11-20 11:59:31,162 INFO L138 BoogieDeclarations]: Found implementation of procedure ath6kl_usb_map_service_pipe [2022-11-20 11:59:31,163 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2022-11-20 11:59:31,163 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2022-11-20 11:59:31,163 INFO L130 BoogieDeclarations]: Found specification of procedure usb_unanchor_urb [2022-11-20 11:59:31,163 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_unanchor_urb [2022-11-20 11:59:31,163 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2022-11-20 11:59:31,164 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2022-11-20 11:59:31,164 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 11:59:31,164 INFO L130 BoogieDeclarations]: Found specification of procedure ath6kl_usb_send [2022-11-20 11:59:31,165 INFO L138 BoogieDeclarations]: Found implementation of procedure ath6kl_usb_send [2022-11-20 11:59:31,165 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2022-11-20 11:59:31,165 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2022-11-20 11:59:31,165 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2022-11-20 11:59:31,166 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2022-11-20 11:59:31,166 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-20 11:59:31,166 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u8 [2022-11-20 11:59:31,166 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-11-20 11:59:31,166 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-11-20 11:59:31,167 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 11:59:31,168 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 11:59:31,962 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 11:59:31,965 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 11:59:32,163 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-20 11:59:35,663 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 11:59:35,689 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 11:59:35,691 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-11-20 11:59:35,696 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:59:35 BoogieIcfgContainer [2022-11-20 11:59:35,697 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 11:59:35,704 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-20 11:59:35,708 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-20 11:59:35,712 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-20 11:59:35,713 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 11:59:28" (1/3) ... [2022-11-20 11:59:35,715 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4318cc6f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 11:59:35, skipping insertion in model container [2022-11-20 11:59:35,715 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:59:30" (2/3) ... [2022-11-20 11:59:35,717 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4318cc6f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 11:59:35, skipping insertion in model container [2022-11-20 11:59:35,718 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:59:35" (3/3) ... [2022-11-20 11:59:35,719 INFO L112 eAbstractionObserver]: Analyzing ICFG 205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--ath--ath6kl--ath6kl_usb.ko-entry_point.cil.out.i [2022-11-20 11:59:35,747 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-20 11:59:35,747 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-20 11:59:35,855 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-20 11:59:35,862 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@2e4e6757, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-20 11:59:35,863 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-20 11:59:35,872 INFO L276 IsEmpty]: Start isEmpty. Operand has 726 states, 517 states have (on average 1.3481624758220503) internal successors, (697), 531 states have internal predecessors, (697), 158 states have call successors, (158), 50 states have call predecessors, (158), 49 states have return successors, (154), 154 states have call predecessors, (154), 154 states have call successors, (154) [2022-11-20 11:59:35,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2022-11-20 11:59:35,893 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 11:59:35,894 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 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] [2022-11-20 11:59:35,894 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 11:59:35,901 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:59:35,901 INFO L85 PathProgramCache]: Analyzing trace with hash 480470574, now seen corresponding path program 1 times [2022-11-20 11:59:35,910 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:59:35,911 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1994953161] [2022-11-20 11:59:35,911 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:59:35,912 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:59:36,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:59:36,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 11:59:36,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:59:36,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-20 11:59:36,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:59:36,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-20 11:59:36,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:59:36,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-20 11:59:36,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:59:36,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-20 11:59:36,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:59:36,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-20 11:59:36,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:59:36,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-20 11:59:36,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:59:37,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-20 11:59:37,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:59:37,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-20 11:59:37,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:59:37,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-11-20 11:59:37,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:59:37,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-11-20 11:59:37,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:59:37,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-11-20 11:59:37,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:59:37,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-11-20 11:59:37,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:59:37,172 INFO L134 CoverageAnalysis]: Checked inductivity of 224 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 224 trivial. 0 not checked. [2022-11-20 11:59:37,173 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:59:37,173 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1994953161] [2022-11-20 11:59:37,174 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1994953161] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:59:37,176 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:59:37,176 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-20 11:59:37,178 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [314255671] [2022-11-20 11:59:37,179 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:59:37,184 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-20 11:59:37,185 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 11:59:37,245 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-20 11:59:37,247 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-20 11:59:37,251 INFO L87 Difference]: Start difference. First operand has 726 states, 517 states have (on average 1.3481624758220503) internal successors, (697), 531 states have internal predecessors, (697), 158 states have call successors, (158), 50 states have call predecessors, (158), 49 states have return successors, (154), 154 states have call predecessors, (154), 154 states have call successors, (154) Second operand has 5 states, 5 states have (on average 7.2) internal successors, (36), 3 states have internal predecessors, (36), 2 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2022-11-20 11:59:39,894 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.78s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 11:59:44,955 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:59:44,956 INFO L93 Difference]: Finished difference Result 2389 states and 3509 transitions. [2022-11-20 11:59:44,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-20 11:59:44,959 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.2) internal successors, (36), 3 states have internal predecessors, (36), 2 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 96 [2022-11-20 11:59:44,960 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 11:59:44,993 INFO L225 Difference]: With dead ends: 2389 [2022-11-20 11:59:44,993 INFO L226 Difference]: Without dead ends: 1652 [2022-11-20 11:59:45,004 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-20 11:59:45,008 INFO L413 NwaCegarLoop]: 880 mSDtfsCounter, 1876 mSDsluCounter, 1595 mSDsCounter, 0 mSdLazyCounter, 1495 mSolverCounterSat, 932 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1968 SdHoareTripleChecker+Valid, 2475 SdHoareTripleChecker+Invalid, 2427 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 932 IncrementalHoareTripleChecker+Valid, 1495 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.1s IncrementalHoareTripleChecker+Time [2022-11-20 11:59:45,009 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1968 Valid, 2475 Invalid, 2427 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [932 Valid, 1495 Invalid, 0 Unknown, 0 Unchecked, 7.1s Time] [2022-11-20 11:59:45,033 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1652 states. [2022-11-20 11:59:45,227 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1652 to 1380. [2022-11-20 11:59:45,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1380 states, 991 states have (on average 1.3319878910191725) internal successors, (1320), 1007 states have internal predecessors, (1320), 292 states have call successors, (292), 97 states have call predecessors, (292), 96 states have return successors, (291), 291 states have call predecessors, (291), 291 states have call successors, (291) [2022-11-20 11:59:45,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1380 states to 1380 states and 1903 transitions. [2022-11-20 11:59:45,249 INFO L78 Accepts]: Start accepts. Automaton has 1380 states and 1903 transitions. Word has length 96 [2022-11-20 11:59:45,250 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 11:59:45,250 INFO L495 AbstractCegarLoop]: Abstraction has 1380 states and 1903 transitions. [2022-11-20 11:59:45,250 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.2) internal successors, (36), 3 states have internal predecessors, (36), 2 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2022-11-20 11:59:45,251 INFO L276 IsEmpty]: Start isEmpty. Operand 1380 states and 1903 transitions. [2022-11-20 11:59:45,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2022-11-20 11:59:45,271 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 11:59:45,272 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 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] [2022-11-20 11:59:45,273 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-20 11:59:45,273 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 11:59:45,274 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:59:45,274 INFO L85 PathProgramCache]: Analyzing trace with hash 1399573305, now seen corresponding path program 1 times [2022-11-20 11:59:45,274 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:59:45,275 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1233477042] [2022-11-20 11:59:45,275 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:59:45,275 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:59:45,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:59:45,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 11:59:45,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:59:46,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-20 11:59:46,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:59:46,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-20 11:59:46,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:59:46,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-20 11:59:46,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:59:46,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-20 11:59:46,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:59:46,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-20 11:59:46,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:59:46,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-20 11:59:46,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:59:46,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-20 11:59:46,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:59:46,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-20 11:59:46,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:59:46,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-11-20 11:59:46,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:59:46,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-11-20 11:59:46,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:59:46,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-11-20 11:59:46,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:59:46,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-11-20 11:59:46,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:59:46,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-11-20 11:59:46,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:59:46,244 INFO L134 CoverageAnalysis]: Checked inductivity of 268 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 268 trivial. 0 not checked. [2022-11-20 11:59:46,244 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:59:46,244 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1233477042] [2022-11-20 11:59:46,245 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1233477042] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:59:46,248 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:59:46,249 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-20 11:59:46,249 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2058253576] [2022-11-20 11:59:46,249 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:59:46,252 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-20 11:59:46,252 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 11:59:46,253 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-20 11:59:46,254 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-11-20 11:59:46,255 INFO L87 Difference]: Start difference. First operand 1380 states and 1903 transitions. Second operand has 7 states, 7 states have (on average 6.0) internal successors, (42), 5 states have internal predecessors, (42), 3 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-11-20 11:59:47,418 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 11:59:48,799 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.38s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 11:59:54,028 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:59:54,028 INFO L93 Difference]: Finished difference Result 4611 states and 6546 transitions. [2022-11-20 11:59:54,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-20 11:59:54,029 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.0) internal successors, (42), 5 states have internal predecessors, (42), 3 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 107 [2022-11-20 11:59:54,032 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 11:59:54,057 INFO L225 Difference]: With dead ends: 4611 [2022-11-20 11:59:54,058 INFO L226 Difference]: Without dead ends: 3255 [2022-11-20 11:59:54,064 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2022-11-20 11:59:54,067 INFO L413 NwaCegarLoop]: 884 mSDtfsCounter, 1914 mSDsluCounter, 3036 mSDsCounter, 0 mSdLazyCounter, 2480 mSolverCounterSat, 911 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2014 SdHoareTripleChecker+Valid, 3920 SdHoareTripleChecker+Invalid, 3391 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 911 IncrementalHoareTripleChecker+Valid, 2480 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.3s IncrementalHoareTripleChecker+Time [2022-11-20 11:59:54,068 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2014 Valid, 3920 Invalid, 3391 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [911 Valid, 2480 Invalid, 0 Unknown, 0 Unchecked, 7.3s Time] [2022-11-20 11:59:54,075 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3255 states. [2022-11-20 11:59:54,243 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3255 to 2757. [2022-11-20 11:59:54,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2757 states, 1982 states have (on average 1.3335015136226034) internal successors, (2643), 2018 states have internal predecessors, (2643), 574 states have call successors, (574), 193 states have call predecessors, (574), 200 states have return successors, (613), 575 states have call predecessors, (613), 573 states have call successors, (613) [2022-11-20 11:59:54,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2757 states to 2757 states and 3830 transitions. [2022-11-20 11:59:54,267 INFO L78 Accepts]: Start accepts. Automaton has 2757 states and 3830 transitions. Word has length 107 [2022-11-20 11:59:54,270 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 11:59:54,270 INFO L495 AbstractCegarLoop]: Abstraction has 2757 states and 3830 transitions. [2022-11-20 11:59:54,271 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.0) internal successors, (42), 5 states have internal predecessors, (42), 3 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-11-20 11:59:54,271 INFO L276 IsEmpty]: Start isEmpty. Operand 2757 states and 3830 transitions. [2022-11-20 11:59:54,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2022-11-20 11:59:54,292 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 11:59:54,293 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:59:54,293 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-20 11:59:54,293 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 11:59:54,294 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:59:54,294 INFO L85 PathProgramCache]: Analyzing trace with hash -2034232719, now seen corresponding path program 1 times [2022-11-20 11:59:54,294 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:59:54,294 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [977847911] [2022-11-20 11:59:54,295 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:59:54,295 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:59:54,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:59:54,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 11:59:54,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:59:54,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-20 11:59:54,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:59:54,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-20 11:59:54,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:59:54,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-20 11:59:54,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:59:54,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-20 11:59:54,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:59:54,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-20 11:59:54,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:59:54,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-20 11:59:54,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:59:54,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-20 11:59:54,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:59:54,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-20 11:59:54,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:59:54,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-11-20 11:59:54,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:59:54,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-11-20 11:59:54,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:59:54,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-11-20 11:59:54,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:59:54,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-11-20 11:59:54,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:59:54,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-20 11:59:54,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:59:54,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-11-20 11:59:54,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:59:54,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 11:59:54,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:59:54,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 11:59:54,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:59:54,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-20 11:59:54,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:59:54,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-20 11:59:54,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:59:54,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2022-11-20 11:59:54,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:59:54,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 11:59:54,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:59:54,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 11:59:54,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:59:54,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-20 11:59:54,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:59:54,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-20 11:59:54,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:59:54,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-20 11:59:54,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:59:54,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 11:59:54,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:59:55,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-11-20 11:59:55,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:59:55,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 11:59:55,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:59:55,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 11:59:55,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:59:55,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-11-20 11:59:55,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:59:55,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 11:59:55,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:59:55,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-20 11:59:55,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:59:55,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-11-20 11:59:55,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:59:55,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2022-11-20 11:59:55,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:59:55,107 INFO L134 CoverageAnalysis]: Checked inductivity of 366 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2022-11-20 11:59:55,108 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:59:55,108 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [977847911] [2022-11-20 11:59:55,108 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [977847911] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:59:55,108 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:59:55,109 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-20 11:59:55,109 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [42598141] [2022-11-20 11:59:55,109 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:59:55,110 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-20 11:59:55,110 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 11:59:55,111 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-20 11:59:55,111 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-11-20 11:59:55,111 INFO L87 Difference]: Start difference. First operand 2757 states and 3830 transitions. Second operand has 7 states, 7 states have (on average 15.142857142857142) internal successors, (106), 3 states have internal predecessors, (106), 2 states have call successors, (31), 6 states have call predecessors, (31), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2022-11-20 11:59:56,253 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 11:59:57,632 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.38s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 12:00:02,251 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:00:02,251 INFO L93 Difference]: Finished difference Result 8161 states and 11469 transitions. [2022-11-20 12:00:02,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-20 12:00:02,252 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 15.142857142857142) internal successors, (106), 3 states have internal predecessors, (106), 2 states have call successors, (31), 6 states have call predecessors, (31), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) Word has length 239 [2022-11-20 12:00:02,252 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:00:02,286 INFO L225 Difference]: With dead ends: 8161 [2022-11-20 12:00:02,287 INFO L226 Difference]: Without dead ends: 5434 [2022-11-20 12:00:02,299 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=41, Invalid=69, Unknown=0, NotChecked=0, Total=110 [2022-11-20 12:00:02,301 INFO L413 NwaCegarLoop]: 769 mSDtfsCounter, 2386 mSDsluCounter, 1448 mSDsCounter, 0 mSdLazyCounter, 1519 mSolverCounterSat, 1447 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2474 SdHoareTripleChecker+Valid, 2217 SdHoareTripleChecker+Invalid, 2966 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1447 IncrementalHoareTripleChecker+Valid, 1519 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.6s IncrementalHoareTripleChecker+Time [2022-11-20 12:00:02,301 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2474 Valid, 2217 Invalid, 2966 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1447 Valid, 1519 Invalid, 0 Unknown, 0 Unchecked, 6.6s Time] [2022-11-20 12:00:02,309 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5434 states. [2022-11-20 12:00:02,615 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5434 to 4567. [2022-11-20 12:00:02,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4567 states, 3264 states have (on average 1.3321078431372548) internal successors, (4348), 3324 states have internal predecessors, (4348), 930 states have call successors, (930), 349 states have call predecessors, (930), 372 states have return successors, (1005), 937 states have call predecessors, (1005), 929 states have call successors, (1005) [2022-11-20 12:00:02,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4567 states to 4567 states and 6283 transitions. [2022-11-20 12:00:02,660 INFO L78 Accepts]: Start accepts. Automaton has 4567 states and 6283 transitions. Word has length 239 [2022-11-20 12:00:02,661 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 12:00:02,661 INFO L495 AbstractCegarLoop]: Abstraction has 4567 states and 6283 transitions. [2022-11-20 12:00:02,661 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 15.142857142857142) internal successors, (106), 3 states have internal predecessors, (106), 2 states have call successors, (31), 6 states have call predecessors, (31), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2022-11-20 12:00:02,661 INFO L276 IsEmpty]: Start isEmpty. Operand 4567 states and 6283 transitions. [2022-11-20 12:00:02,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2022-11-20 12:00:02,680 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:00:02,680 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:00:02,680 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-20 12:00:02,681 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 12:00:02,681 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:00:02,681 INFO L85 PathProgramCache]: Analyzing trace with hash -1752236842, now seen corresponding path program 1 times [2022-11-20 12:00:02,682 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:00:02,682 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [220894843] [2022-11-20 12:00:02,682 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:00:02,682 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:00:02,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:02,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 12:00:02,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:02,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-20 12:00:02,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:02,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-20 12:00:02,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:02,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-20 12:00:02,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:02,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-20 12:00:02,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:02,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-20 12:00:02,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:02,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-20 12:00:02,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:02,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-20 12:00:02,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:02,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-20 12:00:02,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:02,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-11-20 12:00:02,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:02,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-11-20 12:00:02,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:03,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-11-20 12:00:03,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:03,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-11-20 12:00:03,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:03,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-11-20 12:00:03,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:03,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 12:00:03,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:03,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-20 12:00:03,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:03,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 12:00:03,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:03,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 12:00:03,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:03,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-20 12:00:03,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:03,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-20 12:00:03,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:03,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-20 12:00:03,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:03,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 12:00:03,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:03,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-20 12:00:03,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:03,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 12:00:03,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:03,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 12:00:03,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:03,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-11-20 12:00:03,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:03,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 12:00:03,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:03,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-20 12:00:03,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:03,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-11-20 12:00:03,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:03,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2022-11-20 12:00:03,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:03,421 INFO L134 CoverageAnalysis]: Checked inductivity of 329 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 326 trivial. 0 not checked. [2022-11-20 12:00:03,421 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 12:00:03,421 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [220894843] [2022-11-20 12:00:03,422 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [220894843] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:00:03,424 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:00:03,424 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-20 12:00:03,424 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [711468828] [2022-11-20 12:00:03,425 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:00:03,426 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-20 12:00:03,426 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 12:00:03,427 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-20 12:00:03,427 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-11-20 12:00:03,427 INFO L87 Difference]: Start difference. First operand 4567 states and 6283 transitions. Second operand has 7 states, 7 states have (on average 16.285714285714285) internal successors, (114), 3 states have internal predecessors, (114), 2 states have call successors, (31), 6 states have call predecessors, (31), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2022-11-20 12:00:05,446 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 12:00:10,925 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:00:10,925 INFO L93 Difference]: Finished difference Result 11917 states and 16560 transitions. [2022-11-20 12:00:10,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-20 12:00:10,926 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 16.285714285714285) internal successors, (114), 3 states have internal predecessors, (114), 2 states have call successors, (31), 6 states have call predecessors, (31), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) Word has length 221 [2022-11-20 12:00:10,927 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:00:10,972 INFO L225 Difference]: With dead ends: 11917 [2022-11-20 12:00:10,972 INFO L226 Difference]: Without dead ends: 7380 [2022-11-20 12:00:10,989 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=41, Invalid=69, Unknown=0, NotChecked=0, Total=110 [2022-11-20 12:00:10,990 INFO L413 NwaCegarLoop]: 890 mSDtfsCounter, 1270 mSDsluCounter, 1905 mSDsCounter, 0 mSdLazyCounter, 2282 mSolverCounterSat, 583 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1365 SdHoareTripleChecker+Valid, 2795 SdHoareTripleChecker+Invalid, 2866 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 583 IncrementalHoareTripleChecker+Valid, 2282 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.9s IncrementalHoareTripleChecker+Time [2022-11-20 12:00:10,990 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1365 Valid, 2795 Invalid, 2866 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [583 Valid, 2282 Invalid, 1 Unknown, 0 Unchecked, 6.9s Time] [2022-11-20 12:00:10,999 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7380 states. [2022-11-20 12:00:11,339 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7380 to 6274. [2022-11-20 12:00:11,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6274 states, 4521 states have (on average 1.320946693209467) internal successors, (5972), 4615 states have internal predecessors, (5972), 1233 states have call successors, (1233), 484 states have call predecessors, (1233), 519 states have return successors, (1339), 1244 states have call predecessors, (1339), 1232 states have call successors, (1339) [2022-11-20 12:00:11,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6274 states to 6274 states and 8544 transitions. [2022-11-20 12:00:11,381 INFO L78 Accepts]: Start accepts. Automaton has 6274 states and 8544 transitions. Word has length 221 [2022-11-20 12:00:11,383 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 12:00:11,383 INFO L495 AbstractCegarLoop]: Abstraction has 6274 states and 8544 transitions. [2022-11-20 12:00:11,383 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 16.285714285714285) internal successors, (114), 3 states have internal predecessors, (114), 2 states have call successors, (31), 6 states have call predecessors, (31), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2022-11-20 12:00:11,384 INFO L276 IsEmpty]: Start isEmpty. Operand 6274 states and 8544 transitions. [2022-11-20 12:00:11,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 257 [2022-11-20 12:00:11,403 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:00:11,403 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:00:11,403 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-20 12:00:11,404 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 12:00:11,404 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:00:11,404 INFO L85 PathProgramCache]: Analyzing trace with hash -714366218, now seen corresponding path program 1 times [2022-11-20 12:00:11,405 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:00:11,405 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [917278384] [2022-11-20 12:00:11,405 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:00:11,405 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:00:11,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:11,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 12:00:11,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:11,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-20 12:00:11,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:11,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-20 12:00:11,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:11,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-20 12:00:11,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:11,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-20 12:00:11,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:11,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-20 12:00:11,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:11,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-20 12:00:11,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:11,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-20 12:00:11,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:11,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-20 12:00:11,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:11,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-11-20 12:00:11,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:11,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-11-20 12:00:11,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:11,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-11-20 12:00:11,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:11,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-11-20 12:00:11,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:11,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-11-20 12:00:11,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:11,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2022-11-20 12:00:11,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:11,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2022-11-20 12:00:11,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:11,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-11-20 12:00:11,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:11,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 12:00:11,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:11,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 12:00:11,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:11,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-20 12:00:11,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:11,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-20 12:00:11,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:11,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2022-11-20 12:00:12,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:12,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 12:00:12,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:12,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 12:00:12,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:12,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-20 12:00:12,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:12,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-20 12:00:12,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:12,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-20 12:00:12,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:12,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 12:00:12,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:12,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-20 12:00:12,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:12,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 12:00:12,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:12,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 12:00:12,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:12,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-11-20 12:00:12,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:12,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 12:00:12,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:12,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-20 12:00:12,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:12,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-11-20 12:00:12,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:12,218 INFO L134 CoverageAnalysis]: Checked inductivity of 425 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 416 trivial. 0 not checked. [2022-11-20 12:00:12,219 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 12:00:12,219 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [917278384] [2022-11-20 12:00:12,219 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [917278384] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:00:12,219 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:00:12,219 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-20 12:00:12,220 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1268179508] [2022-11-20 12:00:12,220 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:00:12,220 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-20 12:00:12,221 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 12:00:12,221 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-20 12:00:12,221 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-11-20 12:00:12,221 INFO L87 Difference]: Start difference. First operand 6274 states and 8544 transitions. Second operand has 7 states, 7 states have (on average 16.857142857142858) internal successors, (118), 3 states have internal predecessors, (118), 3 states have call successors, (32), 6 states have call predecessors, (32), 1 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) [2022-11-20 12:00:19,555 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:00:19,555 INFO L93 Difference]: Finished difference Result 16653 states and 23006 transitions. [2022-11-20 12:00:19,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-20 12:00:19,556 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 16.857142857142858) internal successors, (118), 3 states have internal predecessors, (118), 3 states have call successors, (32), 6 states have call predecessors, (32), 1 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) Word has length 256 [2022-11-20 12:00:19,556 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:00:19,614 INFO L225 Difference]: With dead ends: 16653 [2022-11-20 12:00:19,615 INFO L226 Difference]: Without dead ends: 10424 [2022-11-20 12:00:19,634 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=41, Invalid=69, Unknown=0, NotChecked=0, Total=110 [2022-11-20 12:00:19,635 INFO L413 NwaCegarLoop]: 822 mSDtfsCounter, 1712 mSDsluCounter, 1787 mSDsCounter, 0 mSdLazyCounter, 1988 mSolverCounterSat, 780 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1816 SdHoareTripleChecker+Valid, 2609 SdHoareTripleChecker+Invalid, 2768 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 780 IncrementalHoareTripleChecker+Valid, 1988 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.7s IncrementalHoareTripleChecker+Time [2022-11-20 12:00:19,635 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1816 Valid, 2609 Invalid, 2768 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [780 Valid, 1988 Invalid, 0 Unknown, 0 Unchecked, 6.7s Time] [2022-11-20 12:00:19,645 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10424 states. [2022-11-20 12:00:20,188 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10424 to 8732. [2022-11-20 12:00:20,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8732 states, 6299 states have (on average 1.315764407048738) internal successors, (8288), 6423 states have internal predecessors, (8288), 1675 states have call successors, (1675), 710 states have call predecessors, (1675), 757 states have return successors, (1814), 1690 states have call predecessors, (1814), 1674 states have call successors, (1814) [2022-11-20 12:00:20,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8732 states to 8732 states and 11777 transitions. [2022-11-20 12:00:20,258 INFO L78 Accepts]: Start accepts. Automaton has 8732 states and 11777 transitions. Word has length 256 [2022-11-20 12:00:20,258 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 12:00:20,259 INFO L495 AbstractCegarLoop]: Abstraction has 8732 states and 11777 transitions. [2022-11-20 12:00:20,260 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 16.857142857142858) internal successors, (118), 3 states have internal predecessors, (118), 3 states have call successors, (32), 6 states have call predecessors, (32), 1 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) [2022-11-20 12:00:20,260 INFO L276 IsEmpty]: Start isEmpty. Operand 8732 states and 11777 transitions. [2022-11-20 12:00:20,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2022-11-20 12:00:20,287 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:00:20,287 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:00:20,287 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-20 12:00:20,288 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 12:00:20,288 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:00:20,288 INFO L85 PathProgramCache]: Analyzing trace with hash 1119103755, now seen corresponding path program 1 times [2022-11-20 12:00:20,288 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:00:20,289 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1189187213] [2022-11-20 12:00:20,289 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:00:20,289 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:00:20,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:20,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 12:00:20,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:20,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-20 12:00:20,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:20,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-20 12:00:20,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:20,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-20 12:00:20,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:20,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-20 12:00:20,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:20,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-20 12:00:20,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:20,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-20 12:00:20,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:20,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-20 12:00:20,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:20,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-20 12:00:20,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:20,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-11-20 12:00:20,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:20,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-11-20 12:00:20,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:20,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-11-20 12:00:20,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:20,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-11-20 12:00:20,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:20,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-11-20 12:00:20,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:20,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2022-11-20 12:00:20,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:20,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-11-20 12:00:20,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:20,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 12:00:20,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:20,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-20 12:00:20,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:20,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 12:00:20,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:20,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 12:00:20,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:20,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-20 12:00:20,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:20,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-20 12:00:20,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:20,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-20 12:00:20,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:20,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 12:00:20,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:20,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-11-20 12:00:20,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:20,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 12:00:20,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:20,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 12:00:20,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:20,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-11-20 12:00:20,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:20,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 12:00:20,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:20,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-20 12:00:20,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:20,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-11-20 12:00:20,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:20,958 INFO L134 CoverageAnalysis]: Checked inductivity of 389 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 378 trivial. 0 not checked. [2022-11-20 12:00:20,958 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 12:00:20,959 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1189187213] [2022-11-20 12:00:20,959 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1189187213] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:00:20,959 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:00:20,959 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-20 12:00:20,959 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [964424738] [2022-11-20 12:00:20,960 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:00:20,960 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-20 12:00:20,960 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 12:00:20,961 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-20 12:00:20,961 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-11-20 12:00:20,961 INFO L87 Difference]: Start difference. First operand 8732 states and 11777 transitions. Second operand has 7 states, 7 states have (on average 17.714285714285715) internal successors, (124), 3 states have internal predecessors, (124), 3 states have call successors, (32), 6 states have call predecessors, (32), 1 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) [2022-11-20 12:00:27,922 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:00:27,922 INFO L93 Difference]: Finished difference Result 25963 states and 35559 transitions. [2022-11-20 12:00:27,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-20 12:00:27,923 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 17.714285714285715) internal successors, (124), 3 states have internal predecessors, (124), 3 states have call successors, (32), 6 states have call predecessors, (32), 1 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) Word has length 236 [2022-11-20 12:00:27,923 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:00:28,011 INFO L225 Difference]: With dead ends: 25963 [2022-11-20 12:00:28,012 INFO L226 Difference]: Without dead ends: 17276 [2022-11-20 12:00:28,046 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=41, Invalid=69, Unknown=0, NotChecked=0, Total=110 [2022-11-20 12:00:28,047 INFO L413 NwaCegarLoop]: 1057 mSDtfsCounter, 1939 mSDsluCounter, 1698 mSDsCounter, 0 mSdLazyCounter, 2083 mSolverCounterSat, 1038 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2033 SdHoareTripleChecker+Valid, 2755 SdHoareTripleChecker+Invalid, 3121 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1038 IncrementalHoareTripleChecker+Valid, 2083 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.1s IncrementalHoareTripleChecker+Time [2022-11-20 12:00:28,047 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2033 Valid, 2755 Invalid, 3121 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1038 Valid, 2083 Invalid, 0 Unknown, 0 Unchecked, 6.1s Time] [2022-11-20 12:00:28,068 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17276 states. [2022-11-20 12:00:28,972 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17276 to 14274. [2022-11-20 12:00:28,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14274 states, 10407 states have (on average 1.2943211300086481) internal successors, (13470), 10617 states have internal predecessors, (13470), 2565 states have call successors, (2565), 1218 states have call predecessors, (2565), 1301 states have return successors, (2795), 2592 states have call predecessors, (2795), 2564 states have call successors, (2795) [2022-11-20 12:00:29,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14274 states to 14274 states and 18830 transitions. [2022-11-20 12:00:29,050 INFO L78 Accepts]: Start accepts. Automaton has 14274 states and 18830 transitions. Word has length 236 [2022-11-20 12:00:29,050 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 12:00:29,051 INFO L495 AbstractCegarLoop]: Abstraction has 14274 states and 18830 transitions. [2022-11-20 12:00:29,051 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 17.714285714285715) internal successors, (124), 3 states have internal predecessors, (124), 3 states have call successors, (32), 6 states have call predecessors, (32), 1 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) [2022-11-20 12:00:29,051 INFO L276 IsEmpty]: Start isEmpty. Operand 14274 states and 18830 transitions. [2022-11-20 12:00:29,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2022-11-20 12:00:29,078 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:00:29,079 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:00:29,079 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-20 12:00:29,079 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 12:00:29,079 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:00:29,080 INFO L85 PathProgramCache]: Analyzing trace with hash -97311997, now seen corresponding path program 1 times [2022-11-20 12:00:29,080 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:00:29,080 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1242829095] [2022-11-20 12:00:29,080 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:00:29,080 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:00:29,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:29,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 12:00:29,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:29,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-20 12:00:29,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:29,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-20 12:00:29,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:29,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-20 12:00:29,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:29,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-20 12:00:29,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:29,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-20 12:00:29,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:29,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-20 12:00:29,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:29,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-20 12:00:29,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:29,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-20 12:00:29,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:29,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-11-20 12:00:29,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:29,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-11-20 12:00:29,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:29,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-11-20 12:00:29,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:29,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-11-20 12:00:29,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:29,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-11-20 12:00:29,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:29,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2022-11-20 12:00:29,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:29,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-11-20 12:00:29,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:29,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 12:00:29,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:29,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-20 12:00:29,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:29,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 12:00:29,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:29,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 12:00:29,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:29,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-20 12:00:29,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:29,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-20 12:00:29,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:29,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-20 12:00:29,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:29,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 12:00:29,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:29,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-11-20 12:00:29,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:29,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 12:00:29,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:29,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 12:00:29,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:29,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-11-20 12:00:29,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:29,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 12:00:29,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:29,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-20 12:00:29,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:29,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-11-20 12:00:29,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:29,970 INFO L134 CoverageAnalysis]: Checked inductivity of 389 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 381 trivial. 0 not checked. [2022-11-20 12:00:29,970 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 12:00:29,970 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1242829095] [2022-11-20 12:00:29,971 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1242829095] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:00:29,971 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:00:29,971 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-20 12:00:29,971 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [886108952] [2022-11-20 12:00:29,971 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:00:29,972 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-20 12:00:29,972 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 12:00:29,972 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-20 12:00:29,973 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-11-20 12:00:29,973 INFO L87 Difference]: Start difference. First operand 14274 states and 18830 transitions. Second operand has 7 states, 7 states have (on average 17.428571428571427) internal successors, (122), 3 states have internal predecessors, (122), 2 states have call successors, (32), 6 states have call predecessors, (32), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2022-11-20 12:00:35,340 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:00:35,340 INFO L93 Difference]: Finished difference Result 24624 states and 33281 transitions. [2022-11-20 12:00:35,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-20 12:00:35,341 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 17.428571428571427) internal successors, (122), 3 states have internal predecessors, (122), 2 states have call successors, (32), 6 states have call predecessors, (32), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) Word has length 236 [2022-11-20 12:00:35,341 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:00:35,422 INFO L225 Difference]: With dead ends: 24624 [2022-11-20 12:00:35,422 INFO L226 Difference]: Without dead ends: 17295 [2022-11-20 12:00:35,454 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2022-11-20 12:00:35,454 INFO L413 NwaCegarLoop]: 695 mSDtfsCounter, 556 mSDsluCounter, 1440 mSDsCounter, 0 mSdLazyCounter, 1437 mSolverCounterSat, 427 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 586 SdHoareTripleChecker+Valid, 2135 SdHoareTripleChecker+Invalid, 1864 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 427 IncrementalHoareTripleChecker+Valid, 1437 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2022-11-20 12:00:35,455 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [586 Valid, 2135 Invalid, 1864 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [427 Valid, 1437 Invalid, 0 Unknown, 0 Unchecked, 4.5s Time] [2022-11-20 12:00:35,474 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17295 states. [2022-11-20 12:00:36,306 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17295 to 14302. [2022-11-20 12:00:36,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14302 states, 10435 states have (on average 1.2935313847628174) internal successors, (13498), 10645 states have internal predecessors, (13498), 2565 states have call successors, (2565), 1218 states have call predecessors, (2565), 1301 states have return successors, (2795), 2592 states have call predecessors, (2795), 2564 states have call successors, (2795) [2022-11-20 12:00:36,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14302 states to 14302 states and 18858 transitions. [2022-11-20 12:00:36,494 INFO L78 Accepts]: Start accepts. Automaton has 14302 states and 18858 transitions. Word has length 236 [2022-11-20 12:00:36,495 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 12:00:36,495 INFO L495 AbstractCegarLoop]: Abstraction has 14302 states and 18858 transitions. [2022-11-20 12:00:36,496 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 17.428571428571427) internal successors, (122), 3 states have internal predecessors, (122), 2 states have call successors, (32), 6 states have call predecessors, (32), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2022-11-20 12:00:36,496 INFO L276 IsEmpty]: Start isEmpty. Operand 14302 states and 18858 transitions. [2022-11-20 12:00:36,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 238 [2022-11-20 12:00:36,519 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:00:36,520 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:00:36,520 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-20 12:00:36,520 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 12:00:36,521 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:00:36,521 INFO L85 PathProgramCache]: Analyzing trace with hash -1197752283, now seen corresponding path program 1 times [2022-11-20 12:00:36,521 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:00:36,522 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1675322057] [2022-11-20 12:00:36,523 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:00:36,523 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:00:36,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:36,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 12:00:36,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:36,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-20 12:00:36,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:36,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-20 12:00:36,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:36,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-20 12:00:36,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:36,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-20 12:00:36,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:36,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-20 12:00:36,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:36,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-20 12:00:36,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:36,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-20 12:00:36,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:37,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-20 12:00:37,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:37,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-11-20 12:00:37,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:37,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-11-20 12:00:37,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:37,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-11-20 12:00:37,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:37,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-11-20 12:00:37,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:37,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-11-20 12:00:37,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:37,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2022-11-20 12:00:37,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:37,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-11-20 12:00:37,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:37,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 12:00:37,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:37,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-20 12:00:37,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:37,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 12:00:37,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:37,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 12:00:37,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:37,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-20 12:00:37,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:37,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-20 12:00:37,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:37,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-20 12:00:37,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:37,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 12:00:37,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:37,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-20 12:00:37,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:37,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 12:00:37,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:37,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 12:00:37,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:37,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-11-20 12:00:37,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:37,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 12:00:37,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:37,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-20 12:00:37,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:37,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-11-20 12:00:37,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:37,346 INFO L134 CoverageAnalysis]: Checked inductivity of 389 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 381 trivial. 0 not checked. [2022-11-20 12:00:37,346 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 12:00:37,346 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1675322057] [2022-11-20 12:00:37,346 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1675322057] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:00:37,347 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:00:37,347 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-20 12:00:37,347 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [884598234] [2022-11-20 12:00:37,347 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:00:37,348 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-20 12:00:37,348 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 12:00:37,348 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-20 12:00:37,348 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-11-20 12:00:37,349 INFO L87 Difference]: Start difference. First operand 14302 states and 18858 transitions. Second operand has 7 states, 7 states have (on average 17.571428571428573) internal successors, (123), 3 states have internal predecessors, (123), 2 states have call successors, (32), 6 states have call predecessors, (32), 2 states have return successors, (31), 2 states have call predecessors, (31), 1 states have call successors, (31) [2022-11-20 12:00:38,835 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.49s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 12:00:43,415 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:00:43,415 INFO L93 Difference]: Finished difference Result 31600 states and 42366 transitions. [2022-11-20 12:00:43,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-20 12:00:43,416 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 17.571428571428573) internal successors, (123), 3 states have internal predecessors, (123), 2 states have call successors, (32), 6 states have call predecessors, (32), 2 states have return successors, (31), 2 states have call predecessors, (31), 1 states have call successors, (31) Word has length 237 [2022-11-20 12:00:43,419 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:00:43,489 INFO L225 Difference]: With dead ends: 31600 [2022-11-20 12:00:43,490 INFO L226 Difference]: Without dead ends: 17343 [2022-11-20 12:00:43,526 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2022-11-20 12:00:43,527 INFO L413 NwaCegarLoop]: 692 mSDtfsCounter, 551 mSDsluCounter, 1430 mSDsCounter, 0 mSdLazyCounter, 1450 mSolverCounterSat, 423 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 581 SdHoareTripleChecker+Valid, 2122 SdHoareTripleChecker+Invalid, 1873 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 423 IncrementalHoareTripleChecker+Valid, 1450 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.1s IncrementalHoareTripleChecker+Time [2022-11-20 12:00:43,527 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [581 Valid, 2122 Invalid, 1873 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [423 Valid, 1450 Invalid, 0 Unknown, 0 Unchecked, 5.1s Time] [2022-11-20 12:00:43,546 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17343 states. [2022-11-20 12:00:44,425 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17343 to 14326. [2022-11-20 12:00:44,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14326 states, 10459 states have (on average 1.292857825795965) internal successors, (13522), 10669 states have internal predecessors, (13522), 2565 states have call successors, (2565), 1218 states have call predecessors, (2565), 1301 states have return successors, (2795), 2592 states have call predecessors, (2795), 2564 states have call successors, (2795) [2022-11-20 12:00:44,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14326 states to 14326 states and 18882 transitions. [2022-11-20 12:00:44,490 INFO L78 Accepts]: Start accepts. Automaton has 14326 states and 18882 transitions. Word has length 237 [2022-11-20 12:00:44,491 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 12:00:44,491 INFO L495 AbstractCegarLoop]: Abstraction has 14326 states and 18882 transitions. [2022-11-20 12:00:44,492 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 17.571428571428573) internal successors, (123), 3 states have internal predecessors, (123), 2 states have call successors, (32), 6 states have call predecessors, (32), 2 states have return successors, (31), 2 states have call predecessors, (31), 1 states have call successors, (31) [2022-11-20 12:00:44,492 INFO L276 IsEmpty]: Start isEmpty. Operand 14326 states and 18882 transitions. [2022-11-20 12:00:44,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2022-11-20 12:00:44,523 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:00:44,523 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:00:44,524 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-20 12:00:44,524 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 12:00:44,524 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:00:44,525 INFO L85 PathProgramCache]: Analyzing trace with hash -877853559, now seen corresponding path program 1 times [2022-11-20 12:00:44,525 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:00:44,525 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [301584619] [2022-11-20 12:00:44,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:00:44,525 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:00:44,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:45,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 12:00:45,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:45,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-20 12:00:45,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:45,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-20 12:00:45,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:45,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-20 12:00:45,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:45,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-20 12:00:45,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:45,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-20 12:00:45,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:45,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-20 12:00:45,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:45,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-20 12:00:45,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:45,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-20 12:00:45,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:45,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-11-20 12:00:45,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:45,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-11-20 12:00:45,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:45,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-11-20 12:00:45,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:45,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-11-20 12:00:45,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:45,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-11-20 12:00:45,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:45,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2022-11-20 12:00:45,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:45,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-11-20 12:00:45,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:45,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 12:00:45,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:45,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-20 12:00:45,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:45,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 12:00:45,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:45,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 12:00:45,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:45,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-20 12:00:45,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:45,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-20 12:00:45,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:45,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-20 12:00:45,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:45,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 12:00:45,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:45,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-20 12:00:45,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:45,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 12:00:45,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:45,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 12:00:45,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:45,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-11-20 12:00:45,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:45,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 12:00:45,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:45,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-20 12:00:45,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:45,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-11-20 12:00:45,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:45,590 INFO L134 CoverageAnalysis]: Checked inductivity of 390 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 381 trivial. 0 not checked. [2022-11-20 12:00:45,590 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 12:00:45,591 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [301584619] [2022-11-20 12:00:45,591 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [301584619] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 12:00:45,591 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1155097543] [2022-11-20 12:00:45,591 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:00:45,591 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 12:00:45,592 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea9022a7-01c1-49f9-ad74-f26cfb259851/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:00:45,599 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea9022a7-01c1-49f9-ad74-f26cfb259851/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 12:00:45,630 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea9022a7-01c1-49f9-ad74-f26cfb259851/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-20 12:00:46,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:46,372 INFO L263 TraceCheckSpWp]: Trace formula consists of 2087 conjuncts, 16 conjunts are in the unsatisfiable core [2022-11-20 12:00:46,398 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:00:47,015 INFO L134 CoverageAnalysis]: Checked inductivity of 390 backedges. 106 proven. 8 refuted. 0 times theorem prover too weak. 276 trivial. 0 not checked. [2022-11-20 12:00:47,015 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 12:00:48,868 INFO L134 CoverageAnalysis]: Checked inductivity of 390 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 382 trivial. 0 not checked. [2022-11-20 12:00:48,869 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1155097543] provided 1 perfect and 1 imperfect interpolant sequences [2022-11-20 12:00:48,869 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-20 12:00:48,869 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [8, 9] total 21 [2022-11-20 12:00:48,869 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [725823559] [2022-11-20 12:00:48,870 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:00:48,870 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-20 12:00:48,870 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 12:00:48,871 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-20 12:00:48,871 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=86, Invalid=334, Unknown=0, NotChecked=0, Total=420 [2022-11-20 12:00:48,872 INFO L87 Difference]: Start difference. First operand 14326 states and 18882 transitions. Second operand has 9 states, 9 states have (on average 13.88888888888889) internal successors, (125), 9 states have internal predecessors, (125), 7 states have call successors, (32), 4 states have call predecessors, (32), 4 states have return successors, (31), 7 states have call predecessors, (31), 6 states have call successors, (31) [2022-11-20 12:00:50,888 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 12:01:00,243 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:01:00,243 INFO L93 Difference]: Finished difference Result 38372 states and 53122 transitions. [2022-11-20 12:01:00,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-20 12:01:00,244 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 13.88888888888889) internal successors, (125), 9 states have internal predecessors, (125), 7 states have call successors, (32), 4 states have call predecessors, (32), 4 states have return successors, (31), 7 states have call predecessors, (31), 6 states have call successors, (31) Word has length 239 [2022-11-20 12:01:00,244 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:01:00,397 INFO L225 Difference]: With dead ends: 38372 [2022-11-20 12:01:00,397 INFO L226 Difference]: Without dead ends: 31017 [2022-11-20 12:01:00,435 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 553 GetRequests, 525 SyntacticMatches, 1 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 189 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=174, Invalid=638, Unknown=0, NotChecked=0, Total=812 [2022-11-20 12:01:00,435 INFO L413 NwaCegarLoop]: 1534 mSDtfsCounter, 4227 mSDsluCounter, 3418 mSDsCounter, 0 mSdLazyCounter, 4304 mSolverCounterSat, 1910 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4391 SdHoareTripleChecker+Valid, 4952 SdHoareTripleChecker+Invalid, 6215 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1910 IncrementalHoareTripleChecker+Valid, 4304 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.5s IncrementalHoareTripleChecker+Time [2022-11-20 12:01:00,436 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4391 Valid, 4952 Invalid, 6215 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1910 Valid, 4304 Invalid, 1 Unknown, 0 Unchecked, 9.5s Time] [2022-11-20 12:01:00,470 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31017 states. [2022-11-20 12:01:02,098 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31017 to 22134. [2022-11-20 12:01:02,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22134 states, 16125 states have (on average 1.2922790697674418) internal successors, (20838), 16475 states have internal predecessors, (20838), 3966 states have call successors, (3966), 1825 states have call predecessors, (3966), 2042 states have return successors, (4587), 4113 states have call predecessors, (4587), 3965 states have call successors, (4587) [2022-11-20 12:01:02,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22134 states to 22134 states and 29391 transitions. [2022-11-20 12:01:02,194 INFO L78 Accepts]: Start accepts. Automaton has 22134 states and 29391 transitions. Word has length 239 [2022-11-20 12:01:02,195 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 12:01:02,195 INFO L495 AbstractCegarLoop]: Abstraction has 22134 states and 29391 transitions. [2022-11-20 12:01:02,195 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 13.88888888888889) internal successors, (125), 9 states have internal predecessors, (125), 7 states have call successors, (32), 4 states have call predecessors, (32), 4 states have return successors, (31), 7 states have call predecessors, (31), 6 states have call successors, (31) [2022-11-20 12:01:02,196 INFO L276 IsEmpty]: Start isEmpty. Operand 22134 states and 29391 transitions. [2022-11-20 12:01:02,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2022-11-20 12:01:02,228 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:01:02,228 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:01:02,245 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea9022a7-01c1-49f9-ad74-f26cfb259851/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-20 12:01:02,438 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea9022a7-01c1-49f9-ad74-f26cfb259851/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2022-11-20 12:01:02,438 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 12:01:02,439 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:01:02,439 INFO L85 PathProgramCache]: Analyzing trace with hash 1491187656, now seen corresponding path program 1 times [2022-11-20 12:01:02,439 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:01:02,439 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1014565130] [2022-11-20 12:01:02,439 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:01:02,440 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:01:02,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:02,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 12:01:02,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:02,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-20 12:01:02,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:02,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-20 12:01:02,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:02,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-20 12:01:02,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:02,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-20 12:01:02,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:02,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-20 12:01:02,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:02,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-20 12:01:02,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:02,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-20 12:01:02,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:02,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-20 12:01:02,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:02,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-11-20 12:01:02,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:02,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-11-20 12:01:02,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:03,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-11-20 12:01:03,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:03,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-11-20 12:01:03,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:03,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-11-20 12:01:03,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:03,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2022-11-20 12:01:03,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:03,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-11-20 12:01:03,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:03,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 12:01:03,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:03,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-20 12:01:03,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:03,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 12:01:03,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:03,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 12:01:03,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:03,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-20 12:01:03,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:03,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-20 12:01:03,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:03,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-20 12:01:03,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:03,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 12:01:03,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:03,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-20 12:01:03,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:03,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 12:01:03,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:03,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 12:01:03,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:03,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-11-20 12:01:03,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:03,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 12:01:03,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:03,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-20 12:01:03,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:03,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-11-20 12:01:03,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:03,476 INFO L134 CoverageAnalysis]: Checked inductivity of 390 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 382 trivial. 0 not checked. [2022-11-20 12:01:03,477 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 12:01:03,477 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1014565130] [2022-11-20 12:01:03,477 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1014565130] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:01:03,477 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:01:03,478 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-20 12:01:03,478 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1573212832] [2022-11-20 12:01:03,478 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:01:03,480 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-20 12:01:03,480 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 12:01:03,480 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-20 12:01:03,481 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-11-20 12:01:03,481 INFO L87 Difference]: Start difference. First operand 22134 states and 29391 transitions. Second operand has 8 states, 8 states have (on average 15.875) internal successors, (127), 4 states have internal predecessors, (127), 2 states have call successors, (32), 6 states have call predecessors, (32), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2022-11-20 12:01:04,659 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 12:01:06,667 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 12:01:11,599 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:01:11,599 INFO L93 Difference]: Finished difference Result 48864 states and 66342 transitions. [2022-11-20 12:01:11,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-20 12:01:11,600 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 15.875) internal successors, (127), 4 states have internal predecessors, (127), 2 states have call successors, (32), 6 states have call predecessors, (32), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) Word has length 241 [2022-11-20 12:01:11,600 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:01:11,720 INFO L225 Difference]: With dead ends: 48864 [2022-11-20 12:01:11,720 INFO L226 Difference]: Without dead ends: 26775 [2022-11-20 12:01:11,770 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=54, Invalid=102, Unknown=0, NotChecked=0, Total=156 [2022-11-20 12:01:11,771 INFO L413 NwaCegarLoop]: 702 mSDtfsCounter, 997 mSDsluCounter, 2046 mSDsCounter, 0 mSdLazyCounter, 1798 mSolverCounterSat, 797 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1027 SdHoareTripleChecker+Valid, 2748 SdHoareTripleChecker+Invalid, 2596 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 797 IncrementalHoareTripleChecker+Valid, 1798 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.2s IncrementalHoareTripleChecker+Time [2022-11-20 12:01:11,771 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1027 Valid, 2748 Invalid, 2596 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [797 Valid, 1798 Invalid, 1 Unknown, 0 Unchecked, 6.2s Time] [2022-11-20 12:01:11,795 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26775 states. [2022-11-20 12:01:13,518 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26775 to 22106. [2022-11-20 12:01:13,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22106 states, 16097 states have (on average 1.2901782940920667) internal successors, (20768), 16447 states have internal predecessors, (20768), 3966 states have call successors, (3966), 1825 states have call predecessors, (3966), 2042 states have return successors, (4587), 4113 states have call predecessors, (4587), 3965 states have call successors, (4587) [2022-11-20 12:01:13,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22106 states to 22106 states and 29321 transitions. [2022-11-20 12:01:13,617 INFO L78 Accepts]: Start accepts. Automaton has 22106 states and 29321 transitions. Word has length 241 [2022-11-20 12:01:13,618 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 12:01:13,618 INFO L495 AbstractCegarLoop]: Abstraction has 22106 states and 29321 transitions. [2022-11-20 12:01:13,618 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 15.875) internal successors, (127), 4 states have internal predecessors, (127), 2 states have call successors, (32), 6 states have call predecessors, (32), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2022-11-20 12:01:13,618 INFO L276 IsEmpty]: Start isEmpty. Operand 22106 states and 29321 transitions. [2022-11-20 12:01:13,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 244 [2022-11-20 12:01:13,638 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:01:13,639 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:01:13,639 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-20 12:01:13,639 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 12:01:13,640 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:01:13,640 INFO L85 PathProgramCache]: Analyzing trace with hash 1311487969, now seen corresponding path program 1 times [2022-11-20 12:01:13,640 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:01:13,640 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1924080335] [2022-11-20 12:01:13,641 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:01:13,641 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:01:13,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:14,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 12:01:14,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:14,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-20 12:01:14,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:14,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-20 12:01:14,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:14,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-20 12:01:14,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:14,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-20 12:01:14,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:14,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-20 12:01:14,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:14,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-20 12:01:14,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:14,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-20 12:01:14,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:14,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-20 12:01:14,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:14,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-11-20 12:01:14,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:14,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-11-20 12:01:14,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:14,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-11-20 12:01:14,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:14,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-11-20 12:01:14,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:14,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-11-20 12:01:14,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:14,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2022-11-20 12:01:14,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:14,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-11-20 12:01:14,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:14,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 12:01:14,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:14,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-20 12:01:14,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:14,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 12:01:14,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:14,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 12:01:14,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:14,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-20 12:01:14,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:14,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-20 12:01:14,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:14,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-20 12:01:14,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:14,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 12:01:14,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:14,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-20 12:01:14,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:14,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 12:01:14,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:14,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 12:01:14,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:14,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-20 12:01:14,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:14,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 12:01:14,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:14,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-20 12:01:14,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:14,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-11-20 12:01:14,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:14,597 INFO L134 CoverageAnalysis]: Checked inductivity of 392 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 383 trivial. 0 not checked. [2022-11-20 12:01:14,597 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 12:01:14,598 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1924080335] [2022-11-20 12:01:14,598 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1924080335] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 12:01:14,598 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1011337347] [2022-11-20 12:01:14,598 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:01:14,598 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 12:01:14,599 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea9022a7-01c1-49f9-ad74-f26cfb259851/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:01:14,600 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea9022a7-01c1-49f9-ad74-f26cfb259851/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 12:01:14,609 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea9022a7-01c1-49f9-ad74-f26cfb259851/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-20 12:01:15,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:15,412 INFO L263 TraceCheckSpWp]: Trace formula consists of 2096 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-20 12:01:15,429 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:01:15,459 INFO L134 CoverageAnalysis]: Checked inductivity of 392 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 383 trivial. 0 not checked. [2022-11-20 12:01:15,459 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 12:01:15,732 INFO L134 CoverageAnalysis]: Checked inductivity of 392 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 383 trivial. 0 not checked. [2022-11-20 12:01:15,733 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1011337347] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-20 12:01:15,733 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-20 12:01:15,733 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 4, 4] total 11 [2022-11-20 12:01:15,733 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [855325925] [2022-11-20 12:01:15,733 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-20 12:01:15,735 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-11-20 12:01:15,736 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 12:01:15,736 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-20 12:01:15,737 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2022-11-20 12:01:15,737 INFO L87 Difference]: Start difference. First operand 22106 states and 29321 transitions. Second operand has 11 states, 11 states have (on average 13.181818181818182) internal successors, (145), 7 states have internal predecessors, (145), 2 states have call successors, (56), 6 states have call predecessors, (56), 2 states have return successors, (31), 2 states have call predecessors, (31), 1 states have call successors, (31) [2022-11-20 12:01:17,755 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 12:01:23,544 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:01:23,544 INFO L93 Difference]: Finished difference Result 49240 states and 66638 transitions. [2022-11-20 12:01:23,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-20 12:01:23,545 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 13.181818181818182) internal successors, (145), 7 states have internal predecessors, (145), 2 states have call successors, (56), 6 states have call predecessors, (56), 2 states have return successors, (31), 2 states have call predecessors, (31), 1 states have call successors, (31) Word has length 243 [2022-11-20 12:01:23,545 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:01:23,651 INFO L225 Difference]: With dead ends: 49240 [2022-11-20 12:01:23,651 INFO L226 Difference]: Without dead ends: 27179 [2022-11-20 12:01:23,706 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 553 GetRequests, 543 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=94, Unknown=0, NotChecked=0, Total=132 [2022-11-20 12:01:23,707 INFO L413 NwaCegarLoop]: 708 mSDtfsCounter, 512 mSDsluCounter, 3032 mSDsCounter, 0 mSdLazyCounter, 2572 mSolverCounterSat, 392 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 542 SdHoareTripleChecker+Valid, 3740 SdHoareTripleChecker+Invalid, 2965 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 392 IncrementalHoareTripleChecker+Valid, 2572 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.0s IncrementalHoareTripleChecker+Time [2022-11-20 12:01:23,707 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [542 Valid, 3740 Invalid, 2965 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [392 Valid, 2572 Invalid, 1 Unknown, 0 Unchecked, 6.0s Time] [2022-11-20 12:01:23,735 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27179 states. [2022-11-20 12:01:25,133 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27179 to 22538. [2022-11-20 12:01:25,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22538 states, 16529 states have (on average 1.2825942283259726) internal successors, (21200), 16879 states have internal predecessors, (21200), 3966 states have call successors, (3966), 1825 states have call predecessors, (3966), 2042 states have return successors, (4587), 4113 states have call predecessors, (4587), 3965 states have call successors, (4587) [2022-11-20 12:01:25,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22538 states to 22538 states and 29753 transitions. [2022-11-20 12:01:25,216 INFO L78 Accepts]: Start accepts. Automaton has 22538 states and 29753 transitions. Word has length 243 [2022-11-20 12:01:25,217 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 12:01:25,217 INFO L495 AbstractCegarLoop]: Abstraction has 22538 states and 29753 transitions. [2022-11-20 12:01:25,217 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 13.181818181818182) internal successors, (145), 7 states have internal predecessors, (145), 2 states have call successors, (56), 6 states have call predecessors, (56), 2 states have return successors, (31), 2 states have call predecessors, (31), 1 states have call successors, (31) [2022-11-20 12:01:25,218 INFO L276 IsEmpty]: Start isEmpty. Operand 22538 states and 29753 transitions. [2022-11-20 12:01:25,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 250 [2022-11-20 12:01:25,239 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:01:25,239 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:01:25,254 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea9022a7-01c1-49f9-ad74-f26cfb259851/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-11-20 12:01:25,454 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea9022a7-01c1-49f9-ad74-f26cfb259851/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 12:01:25,454 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 12:01:25,454 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:01:25,455 INFO L85 PathProgramCache]: Analyzing trace with hash 811429133, now seen corresponding path program 2 times [2022-11-20 12:01:25,455 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:01:25,455 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1329334302] [2022-11-20 12:01:25,455 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:01:25,455 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:01:25,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:26,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 12:01:26,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:26,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-20 12:01:26,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:26,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-20 12:01:26,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:26,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-20 12:01:26,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:26,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-20 12:01:26,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:26,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-20 12:01:26,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:26,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-20 12:01:26,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:26,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-20 12:01:26,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:26,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-20 12:01:26,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:26,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-11-20 12:01:26,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:26,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-11-20 12:01:26,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:26,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-11-20 12:01:26,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:26,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-11-20 12:01:26,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:26,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-11-20 12:01:26,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:26,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2022-11-20 12:01:26,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:26,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-11-20 12:01:26,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:26,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 12:01:26,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:26,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-20 12:01:26,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:27,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 12:01:27,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:27,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 12:01:27,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:27,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-20 12:01:27,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:27,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-20 12:01:27,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:27,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-20 12:01:27,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:27,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 12:01:27,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:27,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-20 12:01:27,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:27,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 12:01:27,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:27,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 12:01:27,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:27,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-20 12:01:27,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:27,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 12:01:27,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:27,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-20 12:01:27,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:27,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-11-20 12:01:27,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:27,465 INFO L134 CoverageAnalysis]: Checked inductivity of 407 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 399 trivial. 0 not checked. [2022-11-20 12:01:27,465 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 12:01:27,466 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1329334302] [2022-11-20 12:01:27,466 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1329334302] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:01:27,466 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:01:27,466 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-11-20 12:01:27,467 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1945312246] [2022-11-20 12:01:27,467 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:01:27,468 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-20 12:01:27,468 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 12:01:27,468 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-20 12:01:27,468 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2022-11-20 12:01:27,469 INFO L87 Difference]: Start difference. First operand 22538 states and 29753 transitions. Second operand has 10 states, 10 states have (on average 12.8) internal successors, (128), 5 states have internal predecessors, (128), 3 states have call successors, (32), 6 states have call predecessors, (32), 3 states have return successors, (31), 4 states have call predecessors, (31), 3 states have call successors, (31) [2022-11-20 12:01:29,489 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 12:01:37,054 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:01:37,054 INFO L93 Difference]: Finished difference Result 49742 states and 67154 transitions. [2022-11-20 12:01:37,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-20 12:01:37,055 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 12.8) internal successors, (128), 5 states have internal predecessors, (128), 3 states have call successors, (32), 6 states have call predecessors, (32), 3 states have return successors, (31), 4 states have call predecessors, (31), 3 states have call successors, (31) Word has length 249 [2022-11-20 12:01:37,056 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:01:37,146 INFO L225 Difference]: With dead ends: 49742 [2022-11-20 12:01:37,146 INFO L226 Difference]: Without dead ends: 27249 [2022-11-20 12:01:37,194 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=60, Invalid=150, Unknown=0, NotChecked=0, Total=210 [2022-11-20 12:01:37,195 INFO L413 NwaCegarLoop]: 705 mSDtfsCounter, 509 mSDsluCounter, 3626 mSDsCounter, 0 mSdLazyCounter, 3003 mSolverCounterSat, 386 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 536 SdHoareTripleChecker+Valid, 4331 SdHoareTripleChecker+Invalid, 3390 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 386 IncrementalHoareTripleChecker+Valid, 3003 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.7s IncrementalHoareTripleChecker+Time [2022-11-20 12:01:37,195 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [536 Valid, 4331 Invalid, 3390 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [386 Valid, 3003 Invalid, 1 Unknown, 0 Unchecked, 7.7s Time] [2022-11-20 12:01:37,221 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27249 states. [2022-11-20 12:01:38,539 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27249 to 22860. [2022-11-20 12:01:38,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22860 states, 16767 states have (on average 1.2785829307568437) internal successors, (21438), 17103 states have internal predecessors, (21438), 4008 states have call successors, (4008), 1825 states have call predecessors, (4008), 2084 states have return successors, (4751), 4211 states have call predecessors, (4751), 4007 states have call successors, (4751) [2022-11-20 12:01:38,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22860 states to 22860 states and 30197 transitions. [2022-11-20 12:01:38,758 INFO L78 Accepts]: Start accepts. Automaton has 22860 states and 30197 transitions. Word has length 249 [2022-11-20 12:01:38,759 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 12:01:38,759 INFO L495 AbstractCegarLoop]: Abstraction has 22860 states and 30197 transitions. [2022-11-20 12:01:38,759 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 12.8) internal successors, (128), 5 states have internal predecessors, (128), 3 states have call successors, (32), 6 states have call predecessors, (32), 3 states have return successors, (31), 4 states have call predecessors, (31), 3 states have call successors, (31) [2022-11-20 12:01:38,759 INFO L276 IsEmpty]: Start isEmpty. Operand 22860 states and 30197 transitions. [2022-11-20 12:01:38,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2022-11-20 12:01:38,782 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:01:38,782 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:01:38,783 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-11-20 12:01:38,783 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 12:01:38,783 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:01:38,783 INFO L85 PathProgramCache]: Analyzing trace with hash -716661691, now seen corresponding path program 1 times [2022-11-20 12:01:38,783 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:01:38,783 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [689828497] [2022-11-20 12:01:38,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:01:38,784 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:01:38,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:39,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 12:01:39,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:39,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-20 12:01:39,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:39,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-20 12:01:39,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:39,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-20 12:01:39,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:39,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-20 12:01:39,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:39,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-20 12:01:39,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:39,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-20 12:01:39,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:39,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-20 12:01:39,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:39,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-20 12:01:39,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:39,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-11-20 12:01:39,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:39,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-11-20 12:01:39,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:39,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-11-20 12:01:39,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:39,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-11-20 12:01:39,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:39,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-11-20 12:01:39,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:39,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2022-11-20 12:01:39,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:39,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-11-20 12:01:39,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:40,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 12:01:40,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:40,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-20 12:01:40,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:42,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 12:01:42,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:42,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 12:01:42,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:42,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-20 12:01:42,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:42,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-11-20 12:01:42,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:42,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-11-20 12:01:42,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:43,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 12:01:43,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:43,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-11-20 12:01:43,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:44,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 12:01:44,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:44,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 12:01:44,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:45,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-20 12:01:45,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:45,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 12:01:45,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:45,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-20 12:01:45,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:45,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-11-20 12:01:45,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:45,677 INFO L134 CoverageAnalysis]: Checked inductivity of 407 backedges. 34 proven. 2 refuted. 0 times theorem prover too weak. 371 trivial. 0 not checked. [2022-11-20 12:01:45,677 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 12:01:45,678 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [689828497] [2022-11-20 12:01:45,678 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [689828497] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 12:01:45,678 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [381743081] [2022-11-20 12:01:45,678 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:01:45,678 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 12:01:45,679 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea9022a7-01c1-49f9-ad74-f26cfb259851/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:01:45,680 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea9022a7-01c1-49f9-ad74-f26cfb259851/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 12:01:45,702 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea9022a7-01c1-49f9-ad74-f26cfb259851/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-20 12:01:46,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:46,541 INFO L263 TraceCheckSpWp]: Trace formula consists of 2170 conjuncts, 15 conjunts are in the unsatisfiable core [2022-11-20 12:01:46,548 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:01:46,657 INFO L134 CoverageAnalysis]: Checked inductivity of 407 backedges. 104 proven. 0 refuted. 0 times theorem prover too weak. 303 trivial. 0 not checked. [2022-11-20 12:01:46,659 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 12:01:46,659 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [381743081] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:01:46,659 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-20 12:01:46,660 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [23] total 25 [2022-11-20 12:01:46,662 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [332908690] [2022-11-20 12:01:46,662 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:01:46,663 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-20 12:01:46,664 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 12:01:46,665 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 12:01:46,665 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=542, Unknown=0, NotChecked=0, Total=600 [2022-11-20 12:01:46,666 INFO L87 Difference]: Start difference. First operand 22860 states and 30197 transitions. Second operand has 4 states, 4 states have (on average 33.0) internal successors, (132), 4 states have internal predecessors, (132), 2 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2022-11-20 12:01:48,190 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:01:48,190 INFO L93 Difference]: Finished difference Result 34476 states and 45546 transitions. [2022-11-20 12:01:48,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-20 12:01:48,191 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 33.0) internal successors, (132), 4 states have internal predecessors, (132), 2 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) Word has length 250 [2022-11-20 12:01:48,191 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:01:48,227 INFO L225 Difference]: With dead ends: 34476 [2022-11-20 12:01:48,228 INFO L226 Difference]: Without dead ends: 11649 [2022-11-20 12:01:48,276 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 332 GetRequests, 308 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 78 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=62, Invalid=588, Unknown=0, NotChecked=0, Total=650 [2022-11-20 12:01:48,277 INFO L413 NwaCegarLoop]: 988 mSDtfsCounter, 17 mSDsluCounter, 1966 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 2954 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-20 12:01:48,278 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 2954 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-11-20 12:01:48,289 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11649 states. [2022-11-20 12:01:49,056 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11649 to 11496. [2022-11-20 12:01:49,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11496 states, 8434 states have (on average 1.281242589518615) internal successors, (10806), 8602 states have internal predecessors, (10806), 2013 states have call successors, (2013), 919 states have call predecessors, (2013), 1048 states have return successors, (2383), 2114 states have call predecessors, (2383), 2012 states have call successors, (2383) [2022-11-20 12:01:49,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11496 states to 11496 states and 15202 transitions. [2022-11-20 12:01:49,096 INFO L78 Accepts]: Start accepts. Automaton has 11496 states and 15202 transitions. Word has length 250 [2022-11-20 12:01:49,096 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 12:01:49,097 INFO L495 AbstractCegarLoop]: Abstraction has 11496 states and 15202 transitions. [2022-11-20 12:01:49,097 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 33.0) internal successors, (132), 4 states have internal predecessors, (132), 2 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2022-11-20 12:01:49,097 INFO L276 IsEmpty]: Start isEmpty. Operand 11496 states and 15202 transitions. [2022-11-20 12:01:49,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2022-11-20 12:01:49,106 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:01:49,106 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:01:49,117 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea9022a7-01c1-49f9-ad74-f26cfb259851/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-20 12:01:49,316 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea9022a7-01c1-49f9-ad74-f26cfb259851/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 12:01:49,316 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 12:01:49,316 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:01:49,316 INFO L85 PathProgramCache]: Analyzing trace with hash 1177672195, now seen corresponding path program 1 times [2022-11-20 12:01:49,317 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:01:49,317 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2055109539] [2022-11-20 12:01:49,317 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:01:49,317 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:01:49,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:49,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 12:01:49,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:49,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-20 12:01:49,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:49,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-20 12:01:49,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:49,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-20 12:01:49,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:49,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-20 12:01:49,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:49,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-20 12:01:49,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:49,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-20 12:01:49,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:49,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-20 12:01:49,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:49,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-20 12:01:49,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:49,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-11-20 12:01:49,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:49,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-11-20 12:01:49,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:49,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-11-20 12:01:49,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:49,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-11-20 12:01:49,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:49,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-11-20 12:01:49,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:49,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2022-11-20 12:01:49,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:49,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-11-20 12:01:50,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:50,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 12:01:50,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:50,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-20 12:01:50,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:52,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 12:01:52,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:52,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 12:01:52,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:52,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-20 12:01:52,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:52,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-11-20 12:01:52,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:52,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-11-20 12:01:52,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:52,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 12:01:52,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:52,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-11-20 12:01:52,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:53,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 12:01:53,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:54,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 12:01:54,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:55,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-20 12:01:55,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:55,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 12:01:55,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:55,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-20 12:01:55,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:55,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-11-20 12:01:55,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:55,149 INFO L134 CoverageAnalysis]: Checked inductivity of 407 backedges. 34 proven. 2 refuted. 0 times theorem prover too weak. 371 trivial. 0 not checked. [2022-11-20 12:01:55,150 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 12:01:55,150 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2055109539] [2022-11-20 12:01:55,150 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2055109539] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 12:01:55,150 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1843026047] [2022-11-20 12:01:55,151 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:01:55,151 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 12:01:55,151 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea9022a7-01c1-49f9-ad74-f26cfb259851/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:01:55,152 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea9022a7-01c1-49f9-ad74-f26cfb259851/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 12:01:55,163 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea9022a7-01c1-49f9-ad74-f26cfb259851/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-20 12:01:56,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:56,016 INFO L263 TraceCheckSpWp]: Trace formula consists of 2171 conjuncts, 39 conjunts are in the unsatisfiable core [2022-11-20 12:01:56,024 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:01:56,112 INFO L134 CoverageAnalysis]: Checked inductivity of 407 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 363 trivial. 0 not checked. [2022-11-20 12:01:56,112 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 12:01:56,112 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1843026047] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:01:56,112 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-20 12:01:56,113 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [23] total 23 [2022-11-20 12:01:56,113 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1518244784] [2022-11-20 12:01:56,113 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:01:56,114 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-20 12:01:56,115 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 12:01:56,115 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-20 12:01:56,115 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=452, Unknown=0, NotChecked=0, Total=506 [2022-11-20 12:01:56,116 INFO L87 Difference]: Start difference. First operand 11496 states and 15202 transitions. Second operand has 5 states, 5 states have (on average 27.6) internal successors, (138), 4 states have internal predecessors, (138), 2 states have call successors, (32), 2 states have call predecessors, (32), 3 states have return successors, (31), 3 states have call predecessors, (31), 2 states have call successors, (31) [2022-11-20 12:01:56,836 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:01:56,837 INFO L93 Difference]: Finished difference Result 22919 states and 30562 transitions. [2022-11-20 12:01:56,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-20 12:01:56,837 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 27.6) internal successors, (138), 4 states have internal predecessors, (138), 2 states have call successors, (32), 2 states have call predecessors, (32), 3 states have return successors, (31), 3 states have call predecessors, (31), 2 states have call successors, (31) Word has length 250 [2022-11-20 12:01:56,838 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:01:56,863 INFO L225 Difference]: With dead ends: 22919 [2022-11-20 12:01:56,863 INFO L226 Difference]: Without dead ends: 11483 [2022-11-20 12:01:56,885 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 331 GetRequests, 308 SyntacticMatches, 2 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=54, Invalid=452, Unknown=0, NotChecked=0, Total=506 [2022-11-20 12:01:56,886 INFO L413 NwaCegarLoop]: 984 mSDtfsCounter, 2 mSDsluCounter, 2933 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 3917 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 12:01:56,886 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 3917 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 12:01:56,897 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11483 states. [2022-11-20 12:01:57,419 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11483 to 11433. [2022-11-20 12:01:57,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11433 states, 8371 states have (on average 1.2766694540676145) internal successors, (10687), 8532 states have internal predecessors, (10687), 2013 states have call successors, (2013), 919 states have call predecessors, (2013), 1048 states have return successors, (2370), 2121 states have call predecessors, (2370), 2012 states have call successors, (2370) [2022-11-20 12:01:57,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11433 states to 11433 states and 15070 transitions. [2022-11-20 12:01:57,457 INFO L78 Accepts]: Start accepts. Automaton has 11433 states and 15070 transitions. Word has length 250 [2022-11-20 12:01:57,457 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 12:01:57,457 INFO L495 AbstractCegarLoop]: Abstraction has 11433 states and 15070 transitions. [2022-11-20 12:01:57,457 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 27.6) internal successors, (138), 4 states have internal predecessors, (138), 2 states have call successors, (32), 2 states have call predecessors, (32), 3 states have return successors, (31), 3 states have call predecessors, (31), 2 states have call successors, (31) [2022-11-20 12:01:57,458 INFO L276 IsEmpty]: Start isEmpty. Operand 11433 states and 15070 transitions. [2022-11-20 12:01:57,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 248 [2022-11-20 12:01:57,465 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:01:57,465 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:01:57,473 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea9022a7-01c1-49f9-ad74-f26cfb259851/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2022-11-20 12:01:57,666 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea9022a7-01c1-49f9-ad74-f26cfb259851/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 12:01:57,666 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 12:01:57,666 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:01:57,666 INFO L85 PathProgramCache]: Analyzing trace with hash 1858616382, now seen corresponding path program 1 times [2022-11-20 12:01:57,667 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:01:57,667 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [388345178] [2022-11-20 12:01:57,667 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:01:57,667 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:01:57,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:58,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 12:01:58,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:58,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-20 12:01:58,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:58,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-20 12:01:58,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:58,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-20 12:01:58,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:58,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-20 12:01:58,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:58,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-20 12:01:58,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:58,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-20 12:01:58,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:58,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-20 12:01:58,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:58,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-20 12:01:58,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:58,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-11-20 12:01:58,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:58,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-11-20 12:01:58,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:58,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-11-20 12:01:58,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:58,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-11-20 12:01:58,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:58,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-11-20 12:01:58,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:58,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2022-11-20 12:01:58,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:58,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-11-20 12:01:58,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:58,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 12:01:58,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:58,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-20 12:01:58,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:59,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 12:01:59,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:59,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 12:01:59,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:59,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-20 12:01:59,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:59,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-11-20 12:01:59,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:59,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-11-20 12:01:59,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:59,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 12:01:59,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:59,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-11-20 12:01:59,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:59,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 12:01:59,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:59,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 12:01:59,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:59,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-20 12:01:59,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:59,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 12:01:59,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:59,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-20 12:01:59,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:59,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-11-20 12:01:59,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:59,508 INFO L134 CoverageAnalysis]: Checked inductivity of 405 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 397 trivial. 0 not checked. [2022-11-20 12:01:59,508 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 12:01:59,509 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [388345178] [2022-11-20 12:01:59,509 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [388345178] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:01:59,509 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:01:59,509 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-11-20 12:01:59,509 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1053085512] [2022-11-20 12:01:59,510 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:01:59,511 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-20 12:01:59,511 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 12:01:59,511 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-20 12:01:59,511 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2022-11-20 12:01:59,512 INFO L87 Difference]: Start difference. First operand 11433 states and 15070 transitions. Second operand has 12 states, 12 states have (on average 10.583333333333334) internal successors, (127), 8 states have internal predecessors, (127), 5 states have call successors, (32), 6 states have call predecessors, (32), 4 states have return successors, (31), 6 states have call predecessors, (31), 4 states have call successors, (31) [2022-11-20 12:02:01,528 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 12:02:02,641 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 12:02:12,407 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:02:12,407 INFO L93 Difference]: Finished difference Result 27156 states and 36243 transitions. [2022-11-20 12:02:12,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-11-20 12:02:12,408 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 10.583333333333334) internal successors, (127), 8 states have internal predecessors, (127), 5 states have call successors, (32), 6 states have call predecessors, (32), 4 states have return successors, (31), 6 states have call predecessors, (31), 4 states have call successors, (31) Word has length 247 [2022-11-20 12:02:12,408 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:02:12,460 INFO L225 Difference]: With dead ends: 27156 [2022-11-20 12:02:12,461 INFO L226 Difference]: Without dead ends: 15783 [2022-11-20 12:02:12,488 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 77 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=123, Invalid=339, Unknown=0, NotChecked=0, Total=462 [2022-11-20 12:02:12,489 INFO L413 NwaCegarLoop]: 669 mSDtfsCounter, 3116 mSDsluCounter, 3100 mSDsCounter, 0 mSdLazyCounter, 5409 mSolverCounterSat, 2003 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3310 SdHoareTripleChecker+Valid, 3769 SdHoareTripleChecker+Invalid, 7413 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2003 IncrementalHoareTripleChecker+Valid, 5409 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.6s IncrementalHoareTripleChecker+Time [2022-11-20 12:02:12,490 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3310 Valid, 3769 Invalid, 7413 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2003 Valid, 5409 Invalid, 1 Unknown, 0 Unchecked, 11.6s Time] [2022-11-20 12:02:12,503 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15783 states. [2022-11-20 12:02:13,171 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15783 to 13073. [2022-11-20 12:02:13,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13073 states, 9446 states have (on average 1.2605335591784883) internal successors, (11907), 9684 states have internal predecessors, (11907), 2349 states have call successors, (2349), 1073 states have call predecessors, (2349), 1277 states have return successors, (2937), 2483 states have call predecessors, (2937), 2348 states have call successors, (2937) [2022-11-20 12:02:13,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13073 states to 13073 states and 17193 transitions. [2022-11-20 12:02:13,219 INFO L78 Accepts]: Start accepts. Automaton has 13073 states and 17193 transitions. Word has length 247 [2022-11-20 12:02:13,220 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 12:02:13,220 INFO L495 AbstractCegarLoop]: Abstraction has 13073 states and 17193 transitions. [2022-11-20 12:02:13,220 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 10.583333333333334) internal successors, (127), 8 states have internal predecessors, (127), 5 states have call successors, (32), 6 states have call predecessors, (32), 4 states have return successors, (31), 6 states have call predecessors, (31), 4 states have call successors, (31) [2022-11-20 12:02:13,220 INFO L276 IsEmpty]: Start isEmpty. Operand 13073 states and 17193 transitions. [2022-11-20 12:02:13,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 258 [2022-11-20 12:02:13,233 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:02:13,233 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 13, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:02:13,234 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-11-20 12:02:13,234 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 12:02:13,234 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:02:13,235 INFO L85 PathProgramCache]: Analyzing trace with hash 1402782726, now seen corresponding path program 1 times [2022-11-20 12:02:13,235 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:02:13,235 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [181718529] [2022-11-20 12:02:13,235 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:02:13,236 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:02:13,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:02:13,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 12:02:13,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:02:13,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-20 12:02:13,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:02:13,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-20 12:02:13,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:02:13,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-20 12:02:13,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:02:13,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-20 12:02:13,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:02:13,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-20 12:02:13,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:02:13,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-20 12:02:13,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:02:13,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-20 12:02:13,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:02:13,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-20 12:02:13,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:02:13,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-11-20 12:02:13,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:02:13,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-11-20 12:02:13,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:02:13,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-11-20 12:02:13,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:02:13,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-11-20 12:02:13,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:02:13,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-11-20 12:02:13,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:02:13,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2022-11-20 12:02:13,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:02:13,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-11-20 12:02:13,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:02:13,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 12:02:13,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:02:13,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-20 12:02:14,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:02:14,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 12:02:14,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:02:14,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 12:02:14,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:02:14,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-20 12:02:14,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:02:14,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-11-20 12:02:14,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:02:14,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-11-20 12:02:14,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:02:14,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 12:02:14,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:02:14,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-20 12:02:14,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:02:14,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-11-20 12:02:14,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:02:14,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 12:02:14,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:02:14,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 12:02:14,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:02:14,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-20 12:02:14,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:02:14,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 12:02:14,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:02:14,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-20 12:02:14,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:02:14,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-11-20 12:02:14,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:02:14,192 INFO L134 CoverageAnalysis]: Checked inductivity of 407 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 404 trivial. 0 not checked. [2022-11-20 12:02:14,192 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 12:02:14,192 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [181718529] [2022-11-20 12:02:14,193 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [181718529] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 12:02:14,193 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [403547133] [2022-11-20 12:02:14,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:02:14,193 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 12:02:14,194 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea9022a7-01c1-49f9-ad74-f26cfb259851/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:02:14,195 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea9022a7-01c1-49f9-ad74-f26cfb259851/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 12:02:14,225 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea9022a7-01c1-49f9-ad74-f26cfb259851/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-11-20 12:02:15,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:02:15,182 INFO L263 TraceCheckSpWp]: Trace formula consists of 2213 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-20 12:02:15,190 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:02:15,263 INFO L134 CoverageAnalysis]: Checked inductivity of 407 backedges. 136 proven. 0 refuted. 0 times theorem prover too weak. 271 trivial. 0 not checked. [2022-11-20 12:02:15,263 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 12:02:15,263 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [403547133] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:02:15,264 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-20 12:02:15,264 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [8] total 9 [2022-11-20 12:02:15,264 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [326846207] [2022-11-20 12:02:15,264 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:02:15,265 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-20 12:02:15,266 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 12:02:15,266 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 12:02:15,266 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2022-11-20 12:02:15,267 INFO L87 Difference]: Start difference. First operand 13073 states and 17193 transitions. Second operand has 4 states, 4 states have (on average 34.25) internal successors, (137), 4 states have internal predecessors, (137), 2 states have call successors, (33), 2 states have call predecessors, (33), 3 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2022-11-20 12:02:16,529 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:02:16,529 INFO L93 Difference]: Finished difference Result 26174 states and 34467 transitions. [2022-11-20 12:02:16,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-20 12:02:16,530 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 34.25) internal successors, (137), 4 states have internal predecessors, (137), 2 states have call successors, (33), 2 states have call predecessors, (33), 3 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) Word has length 257 [2022-11-20 12:02:16,531 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:02:16,583 INFO L225 Difference]: With dead ends: 26174 [2022-11-20 12:02:16,583 INFO L226 Difference]: Without dead ends: 13095 [2022-11-20 12:02:16,628 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 324 GetRequests, 315 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2022-11-20 12:02:16,628 INFO L413 NwaCegarLoop]: 984 mSDtfsCounter, 2 mSDsluCounter, 1962 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 2946 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 12:02:16,629 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 2946 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 12:02:16,643 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13095 states. [2022-11-20 12:02:17,445 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13095 to 13095. [2022-11-20 12:02:17,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13095 states, 9468 states have (on average 1.2599281791297001) internal successors, (11929), 9706 states have internal predecessors, (11929), 2349 states have call successors, (2349), 1073 states have call predecessors, (2349), 1277 states have return successors, (2937), 2483 states have call predecessors, (2937), 2348 states have call successors, (2937) [2022-11-20 12:02:17,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13095 states to 13095 states and 17215 transitions. [2022-11-20 12:02:17,490 INFO L78 Accepts]: Start accepts. Automaton has 13095 states and 17215 transitions. Word has length 257 [2022-11-20 12:02:17,490 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 12:02:17,491 INFO L495 AbstractCegarLoop]: Abstraction has 13095 states and 17215 transitions. [2022-11-20 12:02:17,491 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 34.25) internal successors, (137), 4 states have internal predecessors, (137), 2 states have call successors, (33), 2 states have call predecessors, (33), 3 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2022-11-20 12:02:17,491 INFO L276 IsEmpty]: Start isEmpty. Operand 13095 states and 17215 transitions. [2022-11-20 12:02:17,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 260 [2022-11-20 12:02:17,500 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:02:17,500 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 13, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:02:17,510 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea9022a7-01c1-49f9-ad74-f26cfb259851/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-11-20 12:02:17,700 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea9022a7-01c1-49f9-ad74-f26cfb259851/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2022-11-20 12:02:17,701 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 12:02:17,701 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:02:17,701 INFO L85 PathProgramCache]: Analyzing trace with hash -1449251808, now seen corresponding path program 1 times [2022-11-20 12:02:17,701 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:02:17,702 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1740948475] [2022-11-20 12:02:17,702 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:02:17,702 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:02:17,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:02:18,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 12:02:18,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:02:18,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-20 12:02:18,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:02:18,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-20 12:02:18,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:02:18,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-20 12:02:18,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:02:18,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-20 12:02:18,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:02:18,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-20 12:02:18,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:02:18,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-20 12:02:18,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:02:18,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-20 12:02:18,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:02:18,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-20 12:02:18,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:02:18,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-11-20 12:02:18,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:02:18,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-11-20 12:02:18,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:02:18,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-11-20 12:02:18,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:02:18,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-11-20 12:02:18,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:02:18,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-11-20 12:02:18,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:02:18,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-11-20 12:02:18,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:02:18,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-11-20 12:02:18,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:02:18,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 12:02:18,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:02:18,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-20 12:02:18,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:02:18,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 12:02:18,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:02:18,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 12:02:18,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:02:18,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-20 12:02:18,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:02:18,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-11-20 12:02:18,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:02:18,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-11-20 12:02:18,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:02:18,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 12:02:18,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:02:18,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-20 12:02:18,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:02:18,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-11-20 12:02:18,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:02:18,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 12:02:18,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:02:18,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 12:02:18,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:02:18,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-20 12:02:18,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:02:18,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 12:02:18,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:02:18,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-20 12:02:18,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:02:18,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-11-20 12:02:18,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:02:18,911 INFO L134 CoverageAnalysis]: Checked inductivity of 412 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 405 trivial. 0 not checked. [2022-11-20 12:02:18,911 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 12:02:18,911 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1740948475] [2022-11-20 12:02:18,911 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1740948475] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 12:02:18,912 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1806963849] [2022-11-20 12:02:18,912 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:02:18,912 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 12:02:18,912 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea9022a7-01c1-49f9-ad74-f26cfb259851/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:02:18,913 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea9022a7-01c1-49f9-ad74-f26cfb259851/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 12:02:18,945 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea9022a7-01c1-49f9-ad74-f26cfb259851/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-11-20 12:02:19,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:02:19,985 INFO L263 TraceCheckSpWp]: Trace formula consists of 2243 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-20 12:02:19,990 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:02:20,070 INFO L134 CoverageAnalysis]: Checked inductivity of 412 backedges. 138 proven. 1 refuted. 0 times theorem prover too weak. 273 trivial. 0 not checked. [2022-11-20 12:02:20,070 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 12:02:20,420 INFO L134 CoverageAnalysis]: Checked inductivity of 412 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 405 trivial. 0 not checked. [2022-11-20 12:02:20,420 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1806963849] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-20 12:02:20,420 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-20 12:02:20,420 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 5, 5] total 14 [2022-11-20 12:02:20,421 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2090811606] [2022-11-20 12:02:20,421 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-20 12:02:20,422 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-11-20 12:02:20,422 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 12:02:20,423 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-11-20 12:02:20,423 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=139, Unknown=0, NotChecked=0, Total=182 [2022-11-20 12:02:20,423 INFO L87 Difference]: Start difference. First operand 13095 states and 17215 transitions. Second operand has 14 states, 14 states have (on average 16.142857142857142) internal successors, (226), 10 states have internal predecessors, (226), 2 states have call successors, (76), 6 states have call predecessors, (76), 5 states have return successors, (54), 2 states have call predecessors, (54), 2 states have call successors, (54) [2022-11-20 12:02:23,745 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 12:02:30,220 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:02:30,220 INFO L93 Difference]: Finished difference Result 28247 states and 37650 transitions. [2022-11-20 12:02:30,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-11-20 12:02:30,221 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 16.142857142857142) internal successors, (226), 10 states have internal predecessors, (226), 2 states have call successors, (76), 6 states have call predecessors, (76), 5 states have return successors, (54), 2 states have call predecessors, (54), 2 states have call successors, (54) Word has length 259 [2022-11-20 12:02:30,221 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:02:30,267 INFO L225 Difference]: With dead ends: 28247 [2022-11-20 12:02:30,267 INFO L226 Difference]: Without dead ends: 15144 [2022-11-20 12:02:30,294 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 593 GetRequests, 572 SyntacticMatches, 1 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=122, Invalid=340, Unknown=0, NotChecked=0, Total=462 [2022-11-20 12:02:30,295 INFO L413 NwaCegarLoop]: 698 mSDtfsCounter, 292 mSDsluCounter, 3996 mSDsCounter, 0 mSdLazyCounter, 3342 mSolverCounterSat, 210 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 322 SdHoareTripleChecker+Valid, 4694 SdHoareTripleChecker+Invalid, 3553 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 210 IncrementalHoareTripleChecker+Valid, 3342 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.6s IncrementalHoareTripleChecker+Time [2022-11-20 12:02:30,295 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [322 Valid, 4694 Invalid, 3553 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [210 Valid, 3342 Invalid, 1 Unknown, 0 Unchecked, 8.6s Time] [2022-11-20 12:02:30,309 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15144 states. [2022-11-20 12:02:31,049 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15144 to 13119. [2022-11-20 12:02:31,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13119 states, 9492 states have (on average 1.2592709650231775) internal successors, (11953), 9730 states have internal predecessors, (11953), 2349 states have call successors, (2349), 1073 states have call predecessors, (2349), 1277 states have return successors, (2937), 2483 states have call predecessors, (2937), 2348 states have call successors, (2937) [2022-11-20 12:02:31,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13119 states to 13119 states and 17239 transitions. [2022-11-20 12:02:31,093 INFO L78 Accepts]: Start accepts. Automaton has 13119 states and 17239 transitions. Word has length 259 [2022-11-20 12:02:31,094 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 12:02:31,094 INFO L495 AbstractCegarLoop]: Abstraction has 13119 states and 17239 transitions. [2022-11-20 12:02:31,094 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 16.142857142857142) internal successors, (226), 10 states have internal predecessors, (226), 2 states have call successors, (76), 6 states have call predecessors, (76), 5 states have return successors, (54), 2 states have call predecessors, (54), 2 states have call successors, (54) [2022-11-20 12:02:31,094 INFO L276 IsEmpty]: Start isEmpty. Operand 13119 states and 17239 transitions. [2022-11-20 12:02:31,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 266 [2022-11-20 12:02:31,105 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:02:31,106 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 13, 8, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:02:31,117 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea9022a7-01c1-49f9-ad74-f26cfb259851/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-11-20 12:02:31,317 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea9022a7-01c1-49f9-ad74-f26cfb259851/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2022-11-20 12:02:31,317 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 12:02:31,318 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:02:31,318 INFO L85 PathProgramCache]: Analyzing trace with hash -691212794, now seen corresponding path program 2 times [2022-11-20 12:02:31,318 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:02:31,318 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [111328969] [2022-11-20 12:02:31,318 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:02:31,318 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:02:31,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:02:33,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 12:02:33,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:02:33,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-20 12:02:33,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:02:33,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-20 12:02:33,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:02:33,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-20 12:02:33,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:02:33,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-20 12:02:33,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:02:33,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-20 12:02:33,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:02:33,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-20 12:02:33,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:02:33,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-20 12:02:33,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:02:33,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-20 12:02:33,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:02:33,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-11-20 12:02:33,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:02:33,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-11-20 12:02:33,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:02:33,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-11-20 12:02:33,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:02:33,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-20 12:02:33,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:02:33,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-11-20 12:02:33,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:02:33,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-11-20 12:02:33,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:02:33,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-11-20 12:02:33,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:02:34,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 12:02:34,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:02:34,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-20 12:02:34,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:02:36,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 12:02:36,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:02:36,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 12:02:36,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:02:36,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-20 12:02:36,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:02:36,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-11-20 12:02:36,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:02:36,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-11-20 12:02:37,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:02:37,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 12:02:37,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:02:37,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-20 12:02:37,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:02:37,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-11-20 12:02:37,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:02:38,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 12:02:38,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:02:38,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 12:02:38,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:02:39,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-20 12:02:39,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:02:39,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 12:02:39,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:02:39,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-20 12:02:39,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:02:39,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-11-20 12:02:39,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:02:39,530 INFO L134 CoverageAnalysis]: Checked inductivity of 451 backedges. 34 proven. 2 refuted. 0 times theorem prover too weak. 415 trivial. 0 not checked. [2022-11-20 12:02:39,531 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 12:02:39,531 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [111328969] [2022-11-20 12:02:39,531 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [111328969] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 12:02:39,531 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [225700753] [2022-11-20 12:02:39,531 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-20 12:02:39,532 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 12:02:39,532 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea9022a7-01c1-49f9-ad74-f26cfb259851/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:02:39,536 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea9022a7-01c1-49f9-ad74-f26cfb259851/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 12:02:39,559 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea9022a7-01c1-49f9-ad74-f26cfb259851/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-11-20 12:02:40,403 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-11-20 12:02:40,403 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-20 12:02:40,409 INFO L263 TraceCheckSpWp]: Trace formula consists of 1234 conjuncts, 60 conjunts are in the unsatisfiable core [2022-11-20 12:02:40,423 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:02:41,178 INFO L134 CoverageAnalysis]: Checked inductivity of 451 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 407 trivial. 0 not checked. [2022-11-20 12:02:41,178 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 12:02:41,179 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [225700753] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:02:41,179 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-20 12:02:41,179 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [28] total 38 [2022-11-20 12:02:41,179 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [225837347] [2022-11-20 12:02:41,179 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:02:41,180 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-11-20 12:02:41,180 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 12:02:41,181 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-11-20 12:02:41,181 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=96, Invalid=1310, Unknown=0, NotChecked=0, Total=1406 [2022-11-20 12:02:41,182 INFO L87 Difference]: Start difference. First operand 13119 states and 17239 transitions. Second operand has 14 states, 13 states have (on average 11.076923076923077) internal successors, (144), 11 states have internal predecessors, (144), 3 states have call successors, (33), 2 states have call predecessors, (33), 5 states have return successors, (32), 5 states have call predecessors, (32), 3 states have call successors, (32) [2022-11-20 12:02:42,481 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:02:42,481 INFO L93 Difference]: Finished difference Result 27351 states and 36815 transitions. [2022-11-20 12:02:42,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-11-20 12:02:42,482 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 11.076923076923077) internal successors, (144), 11 states have internal predecessors, (144), 3 states have call successors, (33), 2 states have call predecessors, (33), 5 states have return successors, (32), 5 states have call predecessors, (32), 3 states have call successors, (32) Word has length 265 [2022-11-20 12:02:42,482 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:02:42,543 INFO L225 Difference]: With dead ends: 27351 [2022-11-20 12:02:42,543 INFO L226 Difference]: Without dead ends: 14296 [2022-11-20 12:02:42,583 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 357 GetRequests, 315 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 283 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=133, Invalid=1759, Unknown=0, NotChecked=0, Total=1892 [2022-11-20 12:02:42,584 INFO L413 NwaCegarLoop]: 1028 mSDtfsCounter, 26 mSDsluCounter, 12249 mSDsCounter, 0 mSdLazyCounter, 172 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 13277 SdHoareTripleChecker+Invalid, 175 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 172 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-20 12:02:42,584 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [35 Valid, 13277 Invalid, 175 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 172 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-20 12:02:42,599 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14296 states. [2022-11-20 12:02:43,465 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14296 to 13322. [2022-11-20 12:02:43,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13322 states, 9667 states have (on average 1.251680976518051) internal successors, (12100), 9884 states have internal predecessors, (12100), 2349 states have call successors, (2349), 1073 states have call predecessors, (2349), 1305 states have return successors, (2986), 2532 states have call predecessors, (2986), 2348 states have call successors, (2986) [2022-11-20 12:02:43,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13322 states to 13322 states and 17435 transitions. [2022-11-20 12:02:43,506 INFO L78 Accepts]: Start accepts. Automaton has 13322 states and 17435 transitions. Word has length 265 [2022-11-20 12:02:43,506 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 12:02:43,506 INFO L495 AbstractCegarLoop]: Abstraction has 13322 states and 17435 transitions. [2022-11-20 12:02:43,507 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 11.076923076923077) internal successors, (144), 11 states have internal predecessors, (144), 3 states have call successors, (33), 2 states have call predecessors, (33), 5 states have return successors, (32), 5 states have call predecessors, (32), 3 states have call successors, (32) [2022-11-20 12:02:43,507 INFO L276 IsEmpty]: Start isEmpty. Operand 13322 states and 17435 transitions. [2022-11-20 12:02:43,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 278 [2022-11-20 12:02:43,514 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:02:43,514 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 13, 8, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:02:43,521 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea9022a7-01c1-49f9-ad74-f26cfb259851/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-11-20 12:02:43,715 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea9022a7-01c1-49f9-ad74-f26cfb259851/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2022-11-20 12:02:43,716 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 12:02:43,716 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:02:43,716 INFO L85 PathProgramCache]: Analyzing trace with hash 1038030349, now seen corresponding path program 1 times [2022-11-20 12:02:43,716 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:02:43,717 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2044566600] [2022-11-20 12:02:43,717 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:02:43,717 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:02:43,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:02:47,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 12:02:47,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:02:47,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-20 12:02:47,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:02:47,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-20 12:02:47,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:02:47,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-20 12:02:47,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:02:47,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-20 12:02:47,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:02:47,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-20 12:02:47,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:02:47,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-20 12:02:47,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:02:47,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-20 12:02:47,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:02:47,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-20 12:02:47,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:02:47,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-11-20 12:02:47,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:02:47,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-11-20 12:02:47,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:02:48,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-11-20 12:02:48,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:02:48,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-20 12:02:48,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:02:48,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-11-20 12:02:48,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:02:48,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-11-20 12:02:48,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:02:48,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-11-20 12:02:48,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:02:49,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 12:02:49,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:02:49,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-20 12:02:49,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:02:51,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 12:02:51,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:02:51,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 12:02:51,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:02:51,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-20 12:02:51,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:02:51,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-11-20 12:02:51,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:02:51,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-11-20 12:02:51,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:02:52,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 12:02:52,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:02:52,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-20 12:02:52,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:02:52,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-11-20 12:02:52,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:02:52,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 12:02:52,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:02:52,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-11-20 12:02:52,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:02:53,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 12:02:53,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:02:53,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 12:02:53,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:02:53,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-20 12:02:53,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:02:53,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 12:02:53,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:02:53,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-20 12:02:53,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:02:53,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-11-20 12:02:53,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:02:53,942 INFO L134 CoverageAnalysis]: Checked inductivity of 451 backedges. 34 proven. 2 refuted. 0 times theorem prover too weak. 415 trivial. 0 not checked. [2022-11-20 12:02:53,943 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 12:02:53,943 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2044566600] [2022-11-20 12:02:53,943 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2044566600] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 12:02:53,943 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [739175556] [2022-11-20 12:02:53,944 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:02:53,944 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 12:02:53,944 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea9022a7-01c1-49f9-ad74-f26cfb259851/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:02:53,947 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea9022a7-01c1-49f9-ad74-f26cfb259851/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 12:02:53,953 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea9022a7-01c1-49f9-ad74-f26cfb259851/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-11-20 12:02:56,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:02:56,469 INFO L263 TraceCheckSpWp]: Trace formula consists of 2381 conjuncts, 139 conjunts are in the unsatisfiable core [2022-11-20 12:02:56,478 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:02:57,356 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-11-20 12:02:57,366 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-11-20 12:02:57,658 INFO L321 Elim1Store]: treesize reduction 41, result has 21.2 percent of original size [2022-11-20 12:02:57,658 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 21 [2022-11-20 12:02:57,683 INFO L321 Elim1Store]: treesize reduction 41, result has 21.2 percent of original size [2022-11-20 12:02:57,683 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 24 [2022-11-20 12:03:06,298 INFO L321 Elim1Store]: treesize reduction 17, result has 5.6 percent of original size [2022-11-20 12:03:06,299 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 17 treesize of output 3 [2022-11-20 12:03:06,306 INFO L321 Elim1Store]: treesize reduction 17, result has 5.6 percent of original size [2022-11-20 12:03:06,306 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 27 treesize of output 7 [2022-11-20 12:03:07,193 INFO L321 Elim1Store]: treesize reduction 3, result has 78.6 percent of original size [2022-11-20 12:03:07,194 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 34 [2022-11-20 12:03:07,321 INFO L321 Elim1Store]: treesize reduction 25, result has 41.9 percent of original size [2022-11-20 12:03:07,322 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 59 treesize of output 46 [2022-11-20 12:03:07,340 INFO L321 Elim1Store]: treesize reduction 17, result has 5.6 percent of original size [2022-11-20 12:03:07,340 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 17 treesize of output 3 [2022-11-20 12:03:07,465 INFO L134 CoverageAnalysis]: Checked inductivity of 451 backedges. 118 proven. 10 refuted. 0 times theorem prover too weak. 323 trivial. 0 not checked. [2022-11-20 12:03:07,465 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 12:03:08,426 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 234 treesize of output 230 [2022-11-20 12:03:08,433 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 354 treesize of output 338 [2022-11-20 12:03:09,521 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 234 treesize of output 230 [2022-11-20 12:03:09,528 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 354 treesize of output 338 [2022-11-20 12:03:11,803 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 12:03:11,804 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 36 [2022-11-20 12:03:13,738 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 234 treesize of output 230 [2022-11-20 12:03:13,743 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 386 treesize of output 370 [2022-11-20 12:03:14,632 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 522 treesize of output 514 [2022-11-20 12:03:14,639 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 882 treesize of output 850 [2022-11-20 12:03:15,891 INFO L134 CoverageAnalysis]: Checked inductivity of 451 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 441 trivial. 0 not checked. [2022-11-20 12:03:15,891 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [739175556] provided 1 perfect and 1 imperfect interpolant sequences [2022-11-20 12:03:15,891 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-20 12:03:15,892 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [21] imperfect sequences [33, 25] total 74 [2022-11-20 12:03:15,892 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [120404723] [2022-11-20 12:03:15,892 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:03:15,893 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2022-11-20 12:03:15,893 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 12:03:15,893 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2022-11-20 12:03:15,895 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=409, Invalid=4989, Unknown=4, NotChecked=0, Total=5402 [2022-11-20 12:03:15,895 INFO L87 Difference]: Start difference. First operand 13322 states and 17435 transitions. Second operand has 21 states, 19 states have (on average 7.631578947368421) internal successors, (145), 17 states have internal predecessors, (145), 8 states have call successors, (35), 6 states have call predecessors, (35), 6 states have return successors, (34), 9 states have call predecessors, (34), 7 states have call successors, (34) [2022-11-20 12:03:18,339 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.36s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 12:03:20,687 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.50s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 12:03:24,185 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.55s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 12:03:48,216 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:03:48,216 INFO L93 Difference]: Finished difference Result 24576 states and 32474 transitions. [2022-11-20 12:03:48,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2022-11-20 12:03:48,217 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 19 states have (on average 7.631578947368421) internal successors, (145), 17 states have internal predecessors, (145), 8 states have call successors, (35), 6 states have call predecessors, (35), 6 states have return successors, (34), 9 states have call predecessors, (34), 7 states have call successors, (34) Word has length 277 [2022-11-20 12:03:48,217 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:03:48,282 INFO L225 Difference]: With dead ends: 24576 [2022-11-20 12:03:48,282 INFO L226 Difference]: Without dead ends: 14929 [2022-11-20 12:03:48,310 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 670 GetRequests, 572 SyntacticMatches, 3 SemanticMatches, 95 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3332 ImplicationChecksByTransitivity, 15.8s TimeCoverageRelationStatistics Valid=708, Invalid=8600, Unknown=4, NotChecked=0, Total=9312 [2022-11-20 12:03:48,311 INFO L413 NwaCegarLoop]: 918 mSDtfsCounter, 3156 mSDsluCounter, 7390 mSDsCounter, 0 mSdLazyCounter, 6433 mSolverCounterSat, 1727 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 25.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3257 SdHoareTripleChecker+Valid, 8308 SdHoareTripleChecker+Invalid, 11931 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1727 IncrementalHoareTripleChecker+Valid, 6433 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 3771 IncrementalHoareTripleChecker+Unchecked, 27.1s IncrementalHoareTripleChecker+Time [2022-11-20 12:03:48,312 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3257 Valid, 8308 Invalid, 11931 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1727 Valid, 6433 Invalid, 0 Unknown, 3771 Unchecked, 27.1s Time] [2022-11-20 12:03:48,325 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14929 states. [2022-11-20 12:03:50,041 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14929 to 13546. [2022-11-20 12:03:50,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13546 states, 9835 states have (on average 1.2509405185561768) internal successors, (12303), 10059 states have internal predecessors, (12303), 2384 states have call successors, (2384), 1073 states have call predecessors, (2384), 1326 states have return successors, (3133), 2581 states have call predecessors, (3133), 2383 states have call successors, (3133) [2022-11-20 12:03:50,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13546 states to 13546 states and 17820 transitions. [2022-11-20 12:03:50,083 INFO L78 Accepts]: Start accepts. Automaton has 13546 states and 17820 transitions. Word has length 277 [2022-11-20 12:03:50,083 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 12:03:50,083 INFO L495 AbstractCegarLoop]: Abstraction has 13546 states and 17820 transitions. [2022-11-20 12:03:50,084 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 19 states have (on average 7.631578947368421) internal successors, (145), 17 states have internal predecessors, (145), 8 states have call successors, (35), 6 states have call predecessors, (35), 6 states have return successors, (34), 9 states have call predecessors, (34), 7 states have call successors, (34) [2022-11-20 12:03:50,084 INFO L276 IsEmpty]: Start isEmpty. Operand 13546 states and 17820 transitions. [2022-11-20 12:03:50,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 301 [2022-11-20 12:03:50,091 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:03:50,091 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 13, 8, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:03:50,106 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea9022a7-01c1-49f9-ad74-f26cfb259851/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2022-11-20 12:03:50,291 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea9022a7-01c1-49f9-ad74-f26cfb259851/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 12:03:50,292 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 12:03:50,292 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:03:50,292 INFO L85 PathProgramCache]: Analyzing trace with hash 1373044522, now seen corresponding path program 1 times [2022-11-20 12:03:50,292 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:03:50,292 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1747010109] [2022-11-20 12:03:50,293 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:03:50,293 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:03:50,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:03:50,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 12:03:50,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:03:50,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-20 12:03:50,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:03:50,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-20 12:03:50,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:03:50,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-20 12:03:50,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:03:50,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-11-20 12:03:50,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:03:50,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-20 12:03:50,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:03:50,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-11-20 12:03:50,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:03:50,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-20 12:03:50,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:03:50,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-20 12:03:50,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:03:50,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-11-20 12:03:50,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:03:50,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-11-20 12:03:50,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:03:50,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-11-20 12:03:50,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:03:50,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-11-20 12:03:50,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:03:50,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-11-20 12:03:50,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:03:50,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-11-20 12:03:50,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:03:50,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-11-20 12:03:51,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:03:51,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 12:03:51,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:03:51,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-20 12:03:51,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:03:51,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 12:03:51,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:03:51,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 12:03:51,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:03:51,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-20 12:03:51,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:03:51,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-11-20 12:03:51,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:03:51,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-11-20 12:03:51,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:03:51,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 12:03:51,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:03:51,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-20 12:03:51,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:03:51,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-11-20 12:03:51,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:03:51,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 12:03:51,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:03:51,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-11-20 12:03:51,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:03:51,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-20 12:03:51,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:03:51,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-11-20 12:03:51,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:03:51,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-11-20 12:03:51,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:03:51,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-11-20 12:03:51,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:03:51,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2022-11-20 12:03:51,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:03:51,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 12:03:51,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:03:51,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 12:03:51,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:03:51,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-20 12:03:51,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:03:51,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 12:03:51,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:03:51,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-20 12:03:51,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:03:51,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-11-20 12:03:51,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:03:51,749 INFO L134 CoverageAnalysis]: Checked inductivity of 451 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 443 trivial. 0 not checked. [2022-11-20 12:03:51,749 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 12:03:51,749 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1747010109] [2022-11-20 12:03:51,750 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1747010109] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:03:51,750 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:03:51,750 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-11-20 12:03:51,751 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1479490809] [2022-11-20 12:03:51,751 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:03:51,752 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-20 12:03:51,752 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 12:03:51,752 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-20 12:03:51,753 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2022-11-20 12:03:51,753 INFO L87 Difference]: Start difference. First operand 13546 states and 17820 transitions. Second operand has 12 states, 12 states have (on average 13.083333333333334) internal successors, (157), 5 states have internal predecessors, (157), 2 states have call successors, (40), 7 states have call predecessors, (40), 4 states have return successors, (39), 4 states have call predecessors, (39), 2 states have call successors, (39) [2022-11-20 12:03:52,901 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 12:04:01,472 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:04:01,472 INFO L93 Difference]: Finished difference Result 30754 states and 41926 transitions. [2022-11-20 12:04:01,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-20 12:04:01,473 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 13.083333333333334) internal successors, (157), 5 states have internal predecessors, (157), 2 states have call successors, (40), 7 states have call predecessors, (40), 4 states have return successors, (39), 4 states have call predecessors, (39), 2 states have call successors, (39) Word has length 300 [2022-11-20 12:04:01,473 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:04:01,539 INFO L225 Difference]: With dead ends: 30754 [2022-11-20 12:04:01,540 INFO L226 Difference]: Without dead ends: 17272 [2022-11-20 12:04:01,581 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=68, Invalid=238, Unknown=0, NotChecked=0, Total=306 [2022-11-20 12:04:01,582 INFO L413 NwaCegarLoop]: 697 mSDtfsCounter, 1026 mSDsluCounter, 4112 mSDsCounter, 0 mSdLazyCounter, 3872 mSolverCounterSat, 860 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1071 SdHoareTripleChecker+Valid, 4809 SdHoareTripleChecker+Invalid, 4732 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 860 IncrementalHoareTripleChecker+Valid, 3872 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.0s IncrementalHoareTripleChecker+Time [2022-11-20 12:04:01,582 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1071 Valid, 4809 Invalid, 4732 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [860 Valid, 3872 Invalid, 0 Unknown, 0 Unchecked, 7.0s Time] [2022-11-20 12:04:01,598 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17272 states. [2022-11-20 12:04:03,567 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17272 to 13812. [2022-11-20 12:04:03,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13812 states, 10045 states have (on average 1.2456943753111) internal successors, (12513), 10234 states have internal predecessors, (12513), 2384 states have call successors, (2384), 1073 states have call predecessors, (2384), 1382 states have return successors, (3290), 2672 states have call predecessors, (3290), 2383 states have call successors, (3290) [2022-11-20 12:04:03,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13812 states to 13812 states and 18187 transitions. [2022-11-20 12:04:03,612 INFO L78 Accepts]: Start accepts. Automaton has 13812 states and 18187 transitions. Word has length 300 [2022-11-20 12:04:03,612 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 12:04:03,612 INFO L495 AbstractCegarLoop]: Abstraction has 13812 states and 18187 transitions. [2022-11-20 12:04:03,612 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 13.083333333333334) internal successors, (157), 5 states have internal predecessors, (157), 2 states have call successors, (40), 7 states have call predecessors, (40), 4 states have return successors, (39), 4 states have call predecessors, (39), 2 states have call successors, (39) [2022-11-20 12:04:03,612 INFO L276 IsEmpty]: Start isEmpty. Operand 13812 states and 18187 transitions. [2022-11-20 12:04:03,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 307 [2022-11-20 12:04:03,620 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:04:03,620 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 13, 8, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:04:03,620 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-11-20 12:04:03,620 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 12:04:03,620 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:04:03,621 INFO L85 PathProgramCache]: Analyzing trace with hash -528626198, now seen corresponding path program 1 times [2022-11-20 12:04:03,621 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:04:03,621 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2004683470] [2022-11-20 12:04:03,621 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:04:03,621 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:04:04,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:04:04,398 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 12:04:06,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:04:06,565 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 12:04:06,565 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-20 12:04:06,567 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-20 12:04:06,568 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-11-20 12:04:06,571 INFO L444 BasicCegarLoop]: Path program histogram: [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:04:06,575 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-20 12:04:06,632 WARN L421 cessorBacktranslator]: Generated EnsuresSpecification free ensures #res.base == #ptr.base && #res.offset == #ptr.offset; is not ensure(true) [2022-11-20 12:04:06,635 WARN L421 cessorBacktranslator]: Generated EnsuresSpecification free ensures #res.base == #ptr.base && #res.offset == #ptr.offset; is not ensure(true) [2022-11-20 12:04:06,658 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2022-11-20 12:04:06,659 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2022-11-20 12:04:06,659 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2022-11-20 12:04:06,659 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2022-11-20 12:04:06,660 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2022-11-20 12:04:06,660 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2022-11-20 12:04:06,661 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2022-11-20 12:04:06,661 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2022-11-20 12:04:06,661 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2022-11-20 12:04:06,661 WARN L421 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled [2022-11-20 12:04:06,923 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 12:04:06 BoogieIcfgContainer [2022-11-20 12:04:06,923 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-20 12:04:06,923 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 12:04:06,924 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 12:04:06,924 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 12:04:06,924 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:59:35" (3/4) ... [2022-11-20 12:04:06,927 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-20 12:04:06,928 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 12:04:06,928 INFO L158 Benchmark]: Toolchain (without parser) took 278821.77ms. Allocated memory was 186.6MB in the beginning and 4.3GB in the end (delta: 4.1GB). Free memory was 145.4MB in the beginning and 2.9GB in the end (delta: -2.7GB). Peak memory consumption was 1.4GB. Max. memory is 16.1GB. [2022-11-20 12:04:06,928 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 125.8MB. Free memory was 90.2MB in the beginning and 90.1MB in the end (delta: 76.6kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 12:04:06,929 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2525.06ms. Allocated memory is still 186.6MB. Free memory was 145.4MB in the beginning and 102.7MB in the end (delta: 42.8MB). Peak memory consumption was 137.4MB. Max. memory is 16.1GB. [2022-11-20 12:04:06,929 INFO L158 Benchmark]: Boogie Procedure Inliner took 169.46ms. Allocated memory is still 186.6MB. Free memory was 102.7MB in the beginning and 91.5MB in the end (delta: 11.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-20 12:04:06,929 INFO L158 Benchmark]: Boogie Preprocessor took 224.03ms. Allocated memory was 186.6MB in the beginning and 276.8MB in the end (delta: 90.2MB). Free memory was 91.5MB in the beginning and 203.7MB in the end (delta: -112.3MB). Peak memory consumption was 21.3MB. Max. memory is 16.1GB. [2022-11-20 12:04:06,930 INFO L158 Benchmark]: RCFGBuilder took 4667.95ms. Allocated memory was 276.8MB in the beginning and 381.7MB in the end (delta: 104.9MB). Free memory was 203.7MB in the beginning and 212.0MB in the end (delta: -8.2MB). Peak memory consumption was 161.9MB. Max. memory is 16.1GB. [2022-11-20 12:04:06,930 INFO L158 Benchmark]: TraceAbstraction took 271219.39ms. Allocated memory was 381.7MB in the beginning and 4.3GB in the end (delta: 3.9GB). Free memory was 210.9MB in the beginning and 2.9GB in the end (delta: -2.6GB). Peak memory consumption was 2.2GB. Max. memory is 16.1GB. [2022-11-20 12:04:06,930 INFO L158 Benchmark]: Witness Printer took 4.17ms. Allocated memory is still 4.3GB. Free memory is still 2.9GB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 12:04:06,932 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 125.8MB. Free memory was 90.2MB in the beginning and 90.1MB in the end (delta: 76.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2525.06ms. Allocated memory is still 186.6MB. Free memory was 145.4MB in the beginning and 102.7MB in the end (delta: 42.8MB). Peak memory consumption was 137.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 169.46ms. Allocated memory is still 186.6MB. Free memory was 102.7MB in the beginning and 91.5MB in the end (delta: 11.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 224.03ms. Allocated memory was 186.6MB in the beginning and 276.8MB in the end (delta: 90.2MB). Free memory was 91.5MB in the beginning and 203.7MB in the end (delta: -112.3MB). Peak memory consumption was 21.3MB. Max. memory is 16.1GB. * RCFGBuilder took 4667.95ms. Allocated memory was 276.8MB in the beginning and 381.7MB in the end (delta: 104.9MB). Free memory was 203.7MB in the beginning and 212.0MB in the end (delta: -8.2MB). Peak memory consumption was 161.9MB. Max. memory is 16.1GB. * TraceAbstraction took 271219.39ms. Allocated memory was 381.7MB in the beginning and 4.3GB in the end (delta: 3.9GB). Free memory was 210.9MB in the beginning and 2.9GB in the end (delta: -2.6GB). Peak memory consumption was 2.2GB. Max. memory is 16.1GB. * Witness Printer took 4.17ms. Allocated memory is still 4.3GB. Free memory is still 2.9GB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification free ensures #res.base == #ptr.base && #res.offset == #ptr.offset; is not ensure(true) - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification free ensures #res.base == #ptr.base && #res.offset == #ptr.offset; is not ensure(true) - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.meminit_#ptr#1 : $Pointer$ not handled * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 6764]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of large string literal at line 7944. Possible FailurePath: [L6787] int LDV_IN_INTERRUPT = 1; [L6788] int ldv_state_variable_2 ; [L6789] int ref_cnt ; [L6790] int ldv_state_variable_1 ; [L6791] struct ath6kl *ath6kl_usb_ops_group0 ; [L6792] int usb_counter ; [L6793] struct usb_interface *ath6kl_usb_driver_group1 ; [L6794] int ldv_state_variable_0 ; [L7814-L7818] static struct ath6kl_hif_ops const ath6kl_usb_ops = {0, 0, 0, 0, 0, 0, 0, 0, & ath6kl_usb_cleanup_scatter, & ath6kl_usb_suspend, & ath6kl_usb_resume, & ath6kl_usb_diag_read32, & ath6kl_usb_diag_write32, & ath6kl_usb_bmi_read, & ath6kl_usb_bmi_write, & ath6kl_usb_power_on, & ath6kl_usb_power_off, & ath6kl_usb_stop, & ath6kl_usb_send, & ath6kl_usb_get_default_pipe, & ath6kl_usb_map_service_pipe, & ath6kl_usb_get_free_queue_number}; [L7929-L7931] static struct usb_device_id ath6kl_usb_ids[2U] = { {3U, 3315U, 37748U, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}}; [L7932] struct usb_device_id const __mod_usb__ath6kl_usb_ids_device_table ; [L7933-L7939] static struct usb_driver ath6kl_usb_driver = {"ath6kl_usb", & ath6kl_usb_probe, & ath6kl_usb_remove, 0, & ath6kl_usb_pm_suspend, & ath6kl_usb_pm_resume, & ath6kl_usb_pm_reset_resume, 0, 0, (struct usb_device_id const *)(& ath6kl_usb_ids), {{{{{{0U}}, 0U, 0U, 0, {0, {0, 0}, 0, 0, 0UL}}}}, {0, 0}}, {{0, 0, 0, 0, (_Bool)0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}, 0}, (unsigned char)0, 1U, 1U, (unsigned char)0}; [L7960] int ldv_retval_2 ; [L7961] int ldv_retval_0 ; [L7962] int ldv_retval_5 ; [L7963] int ldv_retval_4 ; [L7964] int ldv_retval_6 ; [L7966] int ldv_retval_1 ; [L7969] int ldv_retval_3 ; [L8488] Element set_impl[15] ; [L8489] int last_index = 0; [L8623] Set LDV_SKBS ; VAL [__mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ref_cnt=0, set_impl={58:0}, usb_counter=0] [L7990] struct usb_device_id *ldvarg1 ; [L7991] void *tmp ; [L7992] pm_message_t ldvarg0 ; [L7993] u32 *ldvarg18 ; [L7994] void *tmp___0 ; [L7995] u8 *ldvarg11 ; [L7996] void *tmp___1 ; [L7997] u8 ldvarg7 ; [L7998] u8 tmp___2 ; [L7999] u32 ldvarg3 ; [L8000] u32 tmp___3 ; [L8001] u8 *ldvarg12 ; [L8002] void *tmp___4 ; [L8003] u8 *ldvarg8 ; [L8004] void *tmp___5 ; [L8005] u32 ldvarg13 ; [L8006] u32 tmp___6 ; [L8007] u16 ldvarg10 ; [L8008] u16 tmp___7 ; [L8009] u8 *ldvarg9 ; [L8010] void *tmp___8 ; [L8011] struct sk_buff *ldvarg5 ; [L8012] void *tmp___9 ; [L8013] u8 ldvarg6 ; [L8014] u8 tmp___10 ; [L8015] struct cfg80211_wowlan *ldvarg15 ; [L8016] void *tmp___11 ; [L8017] u32 ldvarg16 ; [L8018] u32 tmp___12 ; [L8019] struct sk_buff *ldvarg4 ; [L8020] void *tmp___13 ; [L8021] u8 *ldvarg14 ; [L8022] void *tmp___14 ; [L8023] u8 *ldvarg17 ; [L8024] void *tmp___15 ; [L8025] u32 ldvarg19 ; [L8026] u32 tmp___16 ; [L8027] __le32 ldvarg2 ; [L8028] int tmp___17 ; [L8029] int tmp___18 ; [L8030] int tmp___19 ; [L8031] int tmp___20 ; VAL [__mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldvarg0={60:0}, ldvarg2={61:0}, ref_cnt=0, set_impl={58:0}, usb_counter=0] [L8033] CALL, EXPR ldv_zalloc(32UL) VAL [__mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ref_cnt=0, set_impl={58:0}, usb_counter=0] [L6729] void *p ; [L6730] void *tmp ; [L6731] int tmp___0 ; [L6733] tmp___0 = __VERIFIER_nondet_int() [L6734] COND TRUE tmp___0 != 0 [L6735] return ((void *)0); VAL [\old(size)=32, \result={0:0}, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ref_cnt=0, set_impl={58:0}, size=32, tmp___0=1, usb_counter=0] [L8033] RET, EXPR ldv_zalloc(32UL) VAL [__mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_zalloc(32UL)={0:0}, ldvarg0={60:0}, ldvarg2={61:0}, ref_cnt=0, set_impl={58:0}, usb_counter=0] [L8033] tmp = ldv_zalloc(32UL) [L8034] ldvarg1 = (struct usb_device_id *)tmp VAL [__mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldvarg0={60:0}, ldvarg1={0:0}, ldvarg2={61:0}, ref_cnt=0, set_impl={58:0}, tmp={0:0}, usb_counter=0] [L8035] CALL, EXPR ldv_zalloc(4UL) VAL [__mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ref_cnt=0, set_impl={58:0}, usb_counter=0] [L6729] void *p ; [L6730] void *tmp ; [L6731] int tmp___0 ; [L6733] tmp___0 = __VERIFIER_nondet_int() [L6734] COND TRUE tmp___0 != 0 [L6735] return ((void *)0); VAL [\old(size)=4, \result={0:0}, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ref_cnt=0, set_impl={58:0}, size=4, tmp___0=1, usb_counter=0] [L8035] RET, EXPR ldv_zalloc(4UL) VAL [__mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_zalloc(4UL)={0:0}, ldvarg0={60:0}, ldvarg1={0:0}, ldvarg2={61:0}, ref_cnt=0, set_impl={58:0}, tmp={0:0}, usb_counter=0] [L8035] tmp___0 = ldv_zalloc(4UL) [L8036] ldvarg18 = (u32 *)tmp___0 VAL [__mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldvarg0={60:0}, ldvarg1={0:0}, ldvarg18={0:0}, ldvarg2={61:0}, ref_cnt=0, set_impl={58:0}, tmp={0:0}, tmp___0={0:0}, usb_counter=0] [L8037] CALL, EXPR ldv_zalloc(1UL) VAL [__mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ref_cnt=0, set_impl={58:0}, usb_counter=0] [L6729] void *p ; [L6730] void *tmp ; [L6731] int tmp___0 ; [L6733] tmp___0 = __VERIFIER_nondet_int() [L6734] COND TRUE tmp___0 != 0 [L6735] return ((void *)0); VAL [\old(size)=1, \result={0:0}, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ref_cnt=0, set_impl={58:0}, size=1, tmp___0=1, usb_counter=0] [L8037] RET, EXPR ldv_zalloc(1UL) VAL [__mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_zalloc(1UL)={0:0}, ldvarg0={60:0}, ldvarg1={0:0}, ldvarg18={0:0}, ldvarg2={61:0}, ref_cnt=0, set_impl={58:0}, tmp={0:0}, tmp___0={0:0}, usb_counter=0] [L8037] tmp___1 = ldv_zalloc(1UL) [L8038] ldvarg11 = (u8 *)tmp___1 [L8039] tmp___2 = __VERIFIER_nondet_u8() [L8040] ldvarg7 = tmp___2 [L8041] tmp___3 = __VERIFIER_nondet_u32() [L8042] ldvarg3 = tmp___3 VAL [__mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldvarg0={60:0}, ldvarg1={0:0}, ldvarg11={0:0}, ldvarg18={0:0}, ldvarg2={61:0}, ldvarg3=26, ldvarg7=19, ref_cnt=0, set_impl={58:0}, tmp={0:0}, tmp___0={0:0}, tmp___1={0:0}, tmp___2=19, tmp___3=26, usb_counter=0] [L8043] CALL, EXPR ldv_zalloc(1UL) VAL [__mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ref_cnt=0, set_impl={58:0}, usb_counter=0] [L6729] void *p ; [L6730] void *tmp ; [L6731] int tmp___0 ; [L6733] tmp___0 = __VERIFIER_nondet_int() [L6734] COND TRUE tmp___0 != 0 [L6735] return ((void *)0); VAL [\old(size)=1, \result={0:0}, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ref_cnt=0, set_impl={58:0}, size=1, tmp___0=1, usb_counter=0] [L8043] RET, EXPR ldv_zalloc(1UL) VAL [__mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_zalloc(1UL)={0:0}, ldvarg0={60:0}, ldvarg1={0:0}, ldvarg11={0:0}, ldvarg18={0:0}, ldvarg2={61:0}, ldvarg3=26, ldvarg7=19, ref_cnt=0, set_impl={58:0}, tmp={0:0}, tmp___0={0:0}, tmp___1={0:0}, tmp___2=19, tmp___3=26, usb_counter=0] [L8043] tmp___4 = ldv_zalloc(1UL) [L8044] ldvarg12 = (u8 *)tmp___4 VAL [__mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldvarg0={60:0}, ldvarg1={0:0}, ldvarg11={0:0}, ldvarg12={0:0}, ldvarg18={0:0}, ldvarg2={61:0}, ldvarg3=26, ldvarg7=19, ref_cnt=0, set_impl={58:0}, tmp={0:0}, tmp___0={0:0}, tmp___1={0:0}, tmp___2=19, tmp___3=26, tmp___4={0:0}, usb_counter=0] [L8045] CALL, EXPR ldv_zalloc(1UL) VAL [__mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ref_cnt=0, set_impl={58:0}, usb_counter=0] [L6729] void *p ; [L6730] void *tmp ; [L6731] int tmp___0 ; [L6733] tmp___0 = __VERIFIER_nondet_int() [L6734] COND TRUE tmp___0 != 0 [L6735] return ((void *)0); VAL [\old(size)=1, \result={0:0}, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ref_cnt=0, set_impl={58:0}, size=1, tmp___0=1, usb_counter=0] [L8045] RET, EXPR ldv_zalloc(1UL) VAL [__mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_zalloc(1UL)={0:0}, ldvarg0={60:0}, ldvarg1={0:0}, ldvarg11={0:0}, ldvarg12={0:0}, ldvarg18={0:0}, ldvarg2={61:0}, ldvarg3=26, ldvarg7=19, ref_cnt=0, set_impl={58:0}, tmp={0:0}, tmp___0={0:0}, tmp___1={0:0}, tmp___2=19, tmp___3=26, tmp___4={0:0}, usb_counter=0] [L8045] tmp___5 = ldv_zalloc(1UL) [L8046] ldvarg8 = (u8 *)tmp___5 [L8047] tmp___6 = __VERIFIER_nondet_u32() [L8048] ldvarg13 = tmp___6 [L8049] tmp___7 = __VERIFIER_nondet_u16() [L8050] ldvarg10 = tmp___7 VAL [__mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldvarg0={60:0}, ldvarg1={0:0}, ldvarg10=17, ldvarg11={0:0}, ldvarg12={0:0}, ldvarg13=13, ldvarg18={0:0}, ldvarg2={61:0}, ldvarg3=26, ldvarg7=19, ldvarg8={0:0}, ref_cnt=0, set_impl={58:0}, tmp={0:0}, tmp___0={0:0}, tmp___1={0:0}, tmp___2=19, tmp___3=26, tmp___4={0:0}, tmp___5={0:0}, tmp___6=13, tmp___7=17, usb_counter=0] [L8051] CALL, EXPR ldv_zalloc(1UL) VAL [__mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ref_cnt=0, set_impl={58:0}, usb_counter=0] [L6729] void *p ; [L6730] void *tmp ; [L6731] int tmp___0 ; [L6733] tmp___0 = __VERIFIER_nondet_int() [L6734] COND TRUE tmp___0 != 0 [L6735] return ((void *)0); VAL [\old(size)=1, \result={0:0}, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ref_cnt=0, set_impl={58:0}, size=1, tmp___0=1, usb_counter=0] [L8051] RET, EXPR ldv_zalloc(1UL) VAL [__mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_zalloc(1UL)={0:0}, ldvarg0={60:0}, ldvarg1={0:0}, ldvarg10=17, ldvarg11={0:0}, ldvarg12={0:0}, ldvarg13=13, ldvarg18={0:0}, ldvarg2={61:0}, ldvarg3=26, ldvarg7=19, ldvarg8={0:0}, ref_cnt=0, set_impl={58:0}, tmp={0:0}, tmp___0={0:0}, tmp___1={0:0}, tmp___2=19, tmp___3=26, tmp___4={0:0}, tmp___5={0:0}, tmp___6=13, tmp___7=17, usb_counter=0] [L8051] tmp___8 = ldv_zalloc(1UL) [L8052] ldvarg9 = (u8 *)tmp___8 VAL [__mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldvarg0={60:0}, ldvarg1={0:0}, ldvarg10=17, ldvarg11={0:0}, ldvarg12={0:0}, ldvarg13=13, ldvarg18={0:0}, ldvarg2={61:0}, ldvarg3=26, ldvarg7=19, ldvarg8={0:0}, ldvarg9={0:0}, ref_cnt=0, set_impl={58:0}, tmp={0:0}, tmp___0={0:0}, tmp___1={0:0}, tmp___2=19, tmp___3=26, tmp___4={0:0}, tmp___5={0:0}, tmp___6=13, tmp___7=17, tmp___8={0:0}, usb_counter=0] [L8053] CALL, EXPR ldv_zalloc(232UL) VAL [__mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ref_cnt=0, set_impl={58:0}, usb_counter=0] [L6729] void *p ; [L6730] void *tmp ; [L6731] int tmp___0 ; [L6733] tmp___0 = __VERIFIER_nondet_int() [L6734] COND TRUE tmp___0 != 0 [L6735] return ((void *)0); VAL [\old(size)=232, \result={0:0}, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ref_cnt=0, set_impl={58:0}, size=232, tmp___0=1, usb_counter=0] [L8053] RET, EXPR ldv_zalloc(232UL) VAL [__mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_zalloc(232UL)={0:0}, ldvarg0={60:0}, ldvarg1={0:0}, ldvarg10=17, ldvarg11={0:0}, ldvarg12={0:0}, ldvarg13=13, ldvarg18={0:0}, ldvarg2={61:0}, ldvarg3=26, ldvarg7=19, ldvarg8={0:0}, ldvarg9={0:0}, ref_cnt=0, set_impl={58:0}, tmp={0:0}, tmp___0={0:0}, tmp___1={0:0}, tmp___2=19, tmp___3=26, tmp___4={0:0}, tmp___5={0:0}, tmp___6=13, tmp___7=17, tmp___8={0:0}, usb_counter=0] [L8053] tmp___9 = ldv_zalloc(232UL) [L8054] ldvarg5 = (struct sk_buff *)tmp___9 [L8055] tmp___10 = __VERIFIER_nondet_u8() [L8056] ldvarg6 = tmp___10 VAL [__mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldvarg0={60:0}, ldvarg1={0:0}, ldvarg10=17, ldvarg11={0:0}, ldvarg12={0:0}, ldvarg13=13, ldvarg18={0:0}, ldvarg2={61:0}, ldvarg3=26, ldvarg5={0:0}, ldvarg6=23, ldvarg7=19, ldvarg8={0:0}, ldvarg9={0:0}, ref_cnt=0, set_impl={58:0}, tmp={0:0}, tmp___0={0:0}, tmp___1={0:0}, tmp___10=23, tmp___2=19, tmp___3=26, tmp___4={0:0}, tmp___5={0:0}, tmp___6=13, tmp___7=17, tmp___8={0:0}, tmp___9={0:0}, usb_counter=0] [L8057] CALL, EXPR ldv_zalloc(32UL) VAL [__mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ref_cnt=0, set_impl={58:0}, usb_counter=0] [L6729] void *p ; [L6730] void *tmp ; [L6731] int tmp___0 ; [L6733] tmp___0 = __VERIFIER_nondet_int() [L6734] COND TRUE tmp___0 != 0 [L6735] return ((void *)0); VAL [\old(size)=32, \result={0:0}, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ref_cnt=0, set_impl={58:0}, size=32, tmp___0=1, usb_counter=0] [L8057] RET, EXPR ldv_zalloc(32UL) VAL [__mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_zalloc(32UL)={0:0}, ldvarg0={60:0}, ldvarg1={0:0}, ldvarg10=17, ldvarg11={0:0}, ldvarg12={0:0}, ldvarg13=13, ldvarg18={0:0}, ldvarg2={61:0}, ldvarg3=26, ldvarg5={0:0}, ldvarg6=23, ldvarg7=19, ldvarg8={0:0}, ldvarg9={0:0}, ref_cnt=0, set_impl={58:0}, tmp={0:0}, tmp___0={0:0}, tmp___1={0:0}, tmp___10=23, tmp___2=19, tmp___3=26, tmp___4={0:0}, tmp___5={0:0}, tmp___6=13, tmp___7=17, tmp___8={0:0}, tmp___9={0:0}, usb_counter=0] [L8057] tmp___11 = ldv_zalloc(32UL) [L8058] ldvarg15 = (struct cfg80211_wowlan *)tmp___11 [L8059] tmp___12 = __VERIFIER_nondet_u32() [L8060] ldvarg16 = tmp___12 VAL [__mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldvarg0={60:0}, ldvarg1={0:0}, ldvarg10=17, ldvarg11={0:0}, ldvarg12={0:0}, ldvarg13=13, ldvarg15={0:0}, ldvarg16=40, ldvarg18={0:0}, ldvarg2={61:0}, ldvarg3=26, ldvarg5={0:0}, ldvarg6=23, ldvarg7=19, ldvarg8={0:0}, ldvarg9={0:0}, ref_cnt=0, set_impl={58:0}, tmp={0:0}, tmp___0={0:0}, tmp___1={0:0}, tmp___10=23, tmp___11={0:0}, tmp___12=40, tmp___2=19, tmp___3=26, tmp___4={0:0}, tmp___5={0:0}, tmp___6=13, tmp___7=17, tmp___8={0:0}, tmp___9={0:0}, usb_counter=0] [L8061] CALL, EXPR ldv_zalloc(232UL) VAL [__mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ref_cnt=0, set_impl={58:0}, usb_counter=0] [L6729] void *p ; [L6730] void *tmp ; [L6731] int tmp___0 ; [L6733] tmp___0 = __VERIFIER_nondet_int() [L6734] COND TRUE tmp___0 != 0 [L6735] return ((void *)0); VAL [\old(size)=232, \result={0:0}, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ref_cnt=0, set_impl={58:0}, size=232, tmp___0=1, usb_counter=0] [L8061] RET, EXPR ldv_zalloc(232UL) VAL [__mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_zalloc(232UL)={0:0}, ldvarg0={60:0}, ldvarg1={0:0}, ldvarg10=17, ldvarg11={0:0}, ldvarg12={0:0}, ldvarg13=13, ldvarg15={0:0}, ldvarg16=40, ldvarg18={0:0}, ldvarg2={61:0}, ldvarg3=26, ldvarg5={0:0}, ldvarg6=23, ldvarg7=19, ldvarg8={0:0}, ldvarg9={0:0}, ref_cnt=0, set_impl={58:0}, tmp={0:0}, tmp___0={0:0}, tmp___1={0:0}, tmp___10=23, tmp___11={0:0}, tmp___12=40, tmp___2=19, tmp___3=26, tmp___4={0:0}, tmp___5={0:0}, tmp___6=13, tmp___7=17, tmp___8={0:0}, tmp___9={0:0}, usb_counter=0] [L8061] tmp___13 = ldv_zalloc(232UL) [L8062] ldvarg4 = (struct sk_buff *)tmp___13 VAL [__mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldvarg0={60:0}, ldvarg1={0:0}, ldvarg10=17, ldvarg11={0:0}, ldvarg12={0:0}, ldvarg13=13, ldvarg15={0:0}, ldvarg16=40, ldvarg18={0:0}, ldvarg2={61:0}, ldvarg3=26, ldvarg4={0:0}, ldvarg5={0:0}, ldvarg6=23, ldvarg7=19, ldvarg8={0:0}, ldvarg9={0:0}, ref_cnt=0, set_impl={58:0}, tmp={0:0}, tmp___0={0:0}, tmp___1={0:0}, tmp___10=23, tmp___11={0:0}, tmp___12=40, tmp___13={0:0}, tmp___2=19, tmp___3=26, tmp___4={0:0}, tmp___5={0:0}, tmp___6=13, tmp___7=17, tmp___8={0:0}, tmp___9={0:0}, usb_counter=0] [L8063] CALL, EXPR ldv_zalloc(1UL) VAL [__mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ref_cnt=0, set_impl={58:0}, usb_counter=0] [L6729] void *p ; [L6730] void *tmp ; [L6731] int tmp___0 ; [L6733] tmp___0 = __VERIFIER_nondet_int() [L6734] COND TRUE tmp___0 != 0 [L6735] return ((void *)0); VAL [\old(size)=1, \result={0:0}, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ref_cnt=0, set_impl={58:0}, size=1, tmp___0=1, usb_counter=0] [L8063] RET, EXPR ldv_zalloc(1UL) VAL [__mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_zalloc(1UL)={0:0}, ldvarg0={60:0}, ldvarg1={0:0}, ldvarg10=17, ldvarg11={0:0}, ldvarg12={0:0}, ldvarg13=13, ldvarg15={0:0}, ldvarg16=40, ldvarg18={0:0}, ldvarg2={61:0}, ldvarg3=26, ldvarg4={0:0}, ldvarg5={0:0}, ldvarg6=23, ldvarg7=19, ldvarg8={0:0}, ldvarg9={0:0}, ref_cnt=0, set_impl={58:0}, tmp={0:0}, tmp___0={0:0}, tmp___1={0:0}, tmp___10=23, tmp___11={0:0}, tmp___12=40, tmp___13={0:0}, tmp___2=19, tmp___3=26, tmp___4={0:0}, tmp___5={0:0}, tmp___6=13, tmp___7=17, tmp___8={0:0}, tmp___9={0:0}, usb_counter=0] [L8063] tmp___14 = ldv_zalloc(1UL) [L8064] ldvarg14 = (u8 *)tmp___14 VAL [__mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldvarg0={60:0}, ldvarg1={0:0}, ldvarg10=17, ldvarg11={0:0}, ldvarg12={0:0}, ldvarg13=13, ldvarg14={0:0}, ldvarg15={0:0}, ldvarg16=40, ldvarg18={0:0}, ldvarg2={61:0}, ldvarg3=26, ldvarg4={0:0}, ldvarg5={0:0}, ldvarg6=23, ldvarg7=19, ldvarg8={0:0}, ldvarg9={0:0}, ref_cnt=0, set_impl={58:0}, tmp={0:0}, tmp___0={0:0}, tmp___1={0:0}, tmp___10=23, tmp___11={0:0}, tmp___12=40, tmp___13={0:0}, tmp___14={0:0}, tmp___2=19, tmp___3=26, tmp___4={0:0}, tmp___5={0:0}, tmp___6=13, tmp___7=17, tmp___8={0:0}, tmp___9={0:0}, usb_counter=0] [L8065] CALL, EXPR ldv_zalloc(1UL) VAL [__mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ref_cnt=0, set_impl={58:0}, usb_counter=0] [L6729] void *p ; [L6730] void *tmp ; [L6731] int tmp___0 ; [L6733] tmp___0 = __VERIFIER_nondet_int() [L6734] COND TRUE tmp___0 != 0 [L6735] return ((void *)0); VAL [\old(size)=1, \result={0:0}, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ref_cnt=0, set_impl={58:0}, size=1, tmp___0=1, usb_counter=0] [L8065] RET, EXPR ldv_zalloc(1UL) VAL [__mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldv_zalloc(1UL)={0:0}, ldvarg0={60:0}, ldvarg1={0:0}, ldvarg10=17, ldvarg11={0:0}, ldvarg12={0:0}, ldvarg13=13, ldvarg14={0:0}, ldvarg15={0:0}, ldvarg16=40, ldvarg18={0:0}, ldvarg2={61:0}, ldvarg3=26, ldvarg4={0:0}, ldvarg5={0:0}, ldvarg6=23, ldvarg7=19, ldvarg8={0:0}, ldvarg9={0:0}, ref_cnt=0, set_impl={58:0}, tmp={0:0}, tmp___0={0:0}, tmp___1={0:0}, tmp___10=23, tmp___11={0:0}, tmp___12=40, tmp___13={0:0}, tmp___14={0:0}, tmp___2=19, tmp___3=26, tmp___4={0:0}, tmp___5={0:0}, tmp___6=13, tmp___7=17, tmp___8={0:0}, tmp___9={0:0}, usb_counter=0] [L8065] tmp___15 = ldv_zalloc(1UL) [L8066] ldvarg17 = (u8 *)tmp___15 [L8067] tmp___16 = __VERIFIER_nondet_u32() [L8068] ldvarg19 = tmp___16 [L8069] CALL ldv_initialize() [L8642] CALL ldv_set_init(LDV_SKBS) [L8494] set = set_impl [L8495] last_index = 0 VAL [__mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ref_cnt=0, set={0:0}, set={58:0}, set_impl={58:0}, usb_counter=0] [L8642] RET ldv_set_init(LDV_SKBS) [L8069] RET ldv_initialize() [L8070] FCALL memset((void *)(& ldvarg0), 0, 4UL) VAL [__mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldvarg0={60:0}, ldvarg1={0:0}, ldvarg10=17, ldvarg11={0:0}, ldvarg12={0:0}, ldvarg13=13, ldvarg14={0:0}, ldvarg15={0:0}, ldvarg16=40, ldvarg17={0:0}, ldvarg18={0:0}, ldvarg19=3, ldvarg2={61:0}, ldvarg3=26, ldvarg4={0:0}, ldvarg5={0:0}, ldvarg6=23, ldvarg7=19, ldvarg8={0:0}, ldvarg9={0:0}, memset((void *)(& ldvarg0), 0, 4UL)={60:0}, ref_cnt=0, set_impl={58:0}, tmp={0:0}, tmp___0={0:0}, tmp___1={0:0}, tmp___10=23, tmp___11={0:0}, tmp___12=40, tmp___13={0:0}, tmp___14={0:0}, tmp___15={0:0}, tmp___16=3, tmp___2=19, tmp___3=26, tmp___4={0:0}, tmp___5={0:0}, tmp___6=13, tmp___7=17, tmp___8={0:0}, tmp___9={0:0}, usb_counter=0] [L8071] FCALL memset((void *)(& ldvarg2), 0, 4UL) VAL [__mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=0, ldv_state_variable_1=0, ldv_state_variable_2=0, ldvarg0={60:0}, ldvarg1={0:0}, ldvarg10=17, ldvarg11={0:0}, ldvarg12={0:0}, ldvarg13=13, ldvarg14={0:0}, ldvarg15={0:0}, ldvarg16=40, ldvarg17={0:0}, ldvarg18={0:0}, ldvarg19=3, ldvarg2={61:0}, ldvarg3=26, ldvarg4={0:0}, ldvarg5={0:0}, ldvarg6=23, ldvarg7=19, ldvarg8={0:0}, ldvarg9={0:0}, memset((void *)(& ldvarg2), 0, 4UL)={61:0}, ref_cnt=0, set_impl={58:0}, tmp={0:0}, tmp___0={0:0}, tmp___1={0:0}, tmp___10=23, tmp___11={0:0}, tmp___12=40, tmp___13={0:0}, tmp___14={0:0}, tmp___15={0:0}, tmp___16=3, tmp___2=19, tmp___3=26, tmp___4={0:0}, tmp___5={0:0}, tmp___6=13, tmp___7=17, tmp___8={0:0}, tmp___9={0:0}, usb_counter=0] [L8072] ldv_state_variable_1 = 0 [L8073] ref_cnt = 0 [L8074] ldv_state_variable_0 = 1 [L8075] ldv_state_variable_2 = 0 VAL [__mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldvarg0={60:0}, ldvarg1={0:0}, ldvarg10=17, ldvarg11={0:0}, ldvarg12={0:0}, ldvarg13=13, ldvarg14={0:0}, ldvarg15={0:0}, ldvarg16=40, ldvarg17={0:0}, ldvarg18={0:0}, ldvarg19=3, ldvarg2={61:0}, ldvarg3=26, ldvarg4={0:0}, ldvarg5={0:0}, ldvarg6=23, ldvarg7=19, ldvarg8={0:0}, ldvarg9={0:0}, ref_cnt=0, set_impl={58:0}, tmp={0:0}, tmp___0={0:0}, tmp___1={0:0}, tmp___10=23, tmp___11={0:0}, tmp___12=40, tmp___13={0:0}, tmp___14={0:0}, tmp___15={0:0}, tmp___16=3, tmp___2=19, tmp___3=26, tmp___4={0:0}, tmp___5={0:0}, tmp___6=13, tmp___7=17, tmp___8={0:0}, tmp___9={0:0}, usb_counter=0] [L8077] tmp___17 = __VERIFIER_nondet_int() [L8079] case 0: [L8145] case 1: VAL [__mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldvarg0={60:0}, ldvarg1={0:0}, ldvarg10=17, ldvarg11={0:0}, ldvarg12={0:0}, ldvarg13=13, ldvarg14={0:0}, ldvarg15={0:0}, ldvarg16=40, ldvarg17={0:0}, ldvarg18={0:0}, ldvarg19=3, ldvarg2={61:0}, ldvarg3=26, ldvarg4={0:0}, ldvarg5={0:0}, ldvarg6=23, ldvarg7=19, ldvarg8={0:0}, ldvarg9={0:0}, ref_cnt=0, set_impl={58:0}, tmp={0:0}, tmp___0={0:0}, tmp___1={0:0}, tmp___10=23, tmp___11={0:0}, tmp___12=40, tmp___13={0:0}, tmp___14={0:0}, tmp___15={0:0}, tmp___16=3, tmp___17=1, tmp___2=19, tmp___3=26, tmp___4={0:0}, tmp___5={0:0}, tmp___6=13, tmp___7=17, tmp___8={0:0}, tmp___9={0:0}, usb_counter=0] [L8146] COND TRUE ldv_state_variable_0 != 0 [L8147] tmp___19 = __VERIFIER_nondet_int() [L8149] case 0: [L8157] case 1: VAL [__mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=1, ldv_state_variable_1=0, ldv_state_variable_2=0, ldvarg0={60:0}, ldvarg1={0:0}, ldvarg10=17, ldvarg11={0:0}, ldvarg12={0:0}, ldvarg13=13, ldvarg14={0:0}, ldvarg15={0:0}, ldvarg16=40, ldvarg17={0:0}, ldvarg18={0:0}, ldvarg19=3, ldvarg2={61:0}, ldvarg3=26, ldvarg4={0:0}, ldvarg5={0:0}, ldvarg6=23, ldvarg7=19, ldvarg8={0:0}, ldvarg9={0:0}, ref_cnt=0, set_impl={58:0}, tmp={0:0}, tmp___0={0:0}, tmp___1={0:0}, tmp___10=23, tmp___11={0:0}, tmp___12=40, tmp___13={0:0}, tmp___14={0:0}, tmp___15={0:0}, tmp___16=3, tmp___17=1, tmp___19=1, tmp___2=19, tmp___3=26, tmp___4={0:0}, tmp___5={0:0}, tmp___6=13, tmp___7=17, tmp___8={0:0}, tmp___9={0:0}, usb_counter=0] [L8158] COND TRUE ldv_state_variable_0 == 1 [L8159] CALL, EXPR ath6kl_usb_init() [L7942] int ret ; [L7944] CALL, EXPR ldv_usb_register_driver_14(& ath6kl_usb_driver, & __this_module, "ath6kl_usb") [L8468] ldv_func_ret_type ldv_func_res ; [L8469] int tmp ; [L8471] CALL, EXPR usb_register_driver(ldv_func_arg1, ldv_func_arg2, ldv_func_arg3) [L8813] return __VERIFIER_nondet_int(); [L8471] RET, EXPR usb_register_driver(ldv_func_arg1, ldv_func_arg2, ldv_func_arg3) [L8471] tmp = usb_register_driver(ldv_func_arg1, ldv_func_arg2, ldv_func_arg3) [L8472] ldv_func_res = tmp [L8473] ldv_state_variable_1 = 1 [L8474] usb_counter = 0 [L8475] CALL ldv_usb_driver_1() [L7972] void *tmp ; VAL [__mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={4294967343:4294967307}, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=0, ref_cnt=0, set_impl={58:0}, usb_counter=0] [L7974] CALL, EXPR ldv_zalloc(1560UL) VAL [__mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={4294967343:4294967307}, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=0, ref_cnt=0, set_impl={58:0}, usb_counter=0] [L6729] void *p ; [L6730] void *tmp ; [L6731] int tmp___0 ; [L6733] tmp___0 = __VERIFIER_nondet_int() [L6734] COND TRUE tmp___0 != 0 [L6735] return ((void *)0); VAL [\old(size)=1560, \result={0:0}, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={4294967343:4294967307}, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=0, ref_cnt=0, set_impl={58:0}, size=1560, tmp___0=1, usb_counter=0] [L7974] RET, EXPR ldv_zalloc(1560UL) VAL [__mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={4294967343:4294967307}, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=0, ldv_zalloc(1560UL)={0:0}, ref_cnt=0, set_impl={58:0}, usb_counter=0] [L7974] tmp = ldv_zalloc(1560UL) [L7975] ath6kl_usb_driver_group1 = (struct usb_interface *)tmp VAL [__mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={4294967343:4294967307}, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=0, ref_cnt=0, set_impl={58:0}, tmp={0:0}, usb_counter=0] [L8475] RET ldv_usb_driver_1() [L8476] return (ldv_func_res); VAL [\result=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={4294967343:4294967307}, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, last_index=0, ldv_func_arg1={57:0}, ldv_func_arg1={57:0}, ldv_func_arg2={4294967343:4294967307}, ldv_func_arg2={4294967343:4294967307}, ldv_func_arg3={53:0}, ldv_func_arg3={53:0}, ldv_func_res=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=0, ref_cnt=0, set_impl={58:0}, tmp=0, usb_counter=0] [L7944] RET, EXPR ldv_usb_register_driver_14(& ath6kl_usb_driver, & __this_module, "ath6kl_usb") [L7944] ret = ldv_usb_register_driver_14(& ath6kl_usb_driver, & __this_module, "ath6kl_usb") [L7945] COND FALSE !(ret != 0) [L7950] return (0); VAL [\result=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={4294967343:4294967307}, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=1, ldv_state_variable_1=1, ldv_state_variable_2=0, ref_cnt=0, ret=0, set_impl={58:0}, usb_counter=0] [L8159] RET, EXPR ath6kl_usb_init() [L8159] ldv_retval_4 = ath6kl_usb_init() [L8160] COND TRUE ldv_retval_4 == 0 [L8161] ldv_state_variable_0 = 3 [L8162] ldv_state_variable_2 = 1 [L8163] CALL ldv_initialize_ath6kl_hif_ops_2() [L7981] void *tmp ; VAL [__mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={4294967343:4294967307}, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ref_cnt=0, set_impl={58:0}, usb_counter=0] [L7983] CALL, EXPR ldv_zalloc(31704UL) VAL [__mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={4294967343:4294967307}, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ref_cnt=0, set_impl={58:0}, usb_counter=0] [L6729] void *p ; [L6730] void *tmp ; [L6731] int tmp___0 ; [L6733] tmp___0 = __VERIFIER_nondet_int() [L6734] COND TRUE tmp___0 != 0 [L6735] return ((void *)0); VAL [\old(size)=31704, \result={0:0}, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={4294967343:4294967307}, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ref_cnt=0, set_impl={58:0}, size=31704, tmp___0=1, usb_counter=0] [L7983] RET, EXPR ldv_zalloc(31704UL) VAL [__mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={4294967343:4294967307}, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_zalloc(31704UL)={0:0}, ref_cnt=0, set_impl={58:0}, usb_counter=0] [L7983] tmp = ldv_zalloc(31704UL) [L7984] ath6kl_usb_ops_group0 = (struct ath6kl *)tmp VAL [__mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={4294967343:4294967307}, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ref_cnt=0, set_impl={58:0}, tmp={0:0}, usb_counter=0] [L8163] RET ldv_initialize_ath6kl_hif_ops_2() [L8166] COND FALSE !(ldv_retval_4 != 0) VAL [__mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={4294967343:4294967307}, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldvarg0={60:0}, ldvarg1={0:0}, ldvarg10=17, ldvarg11={0:0}, ldvarg12={0:0}, ldvarg13=13, ldvarg14={0:0}, ldvarg15={0:0}, ldvarg16=40, ldvarg17={0:0}, ldvarg18={0:0}, ldvarg19=3, ldvarg2={61:0}, ldvarg3=26, ldvarg4={0:0}, ldvarg5={0:0}, ldvarg6=23, ldvarg7=19, ldvarg8={0:0}, ldvarg9={0:0}, ref_cnt=0, set_impl={58:0}, tmp={0:0}, tmp___0={0:0}, tmp___1={0:0}, tmp___10=23, tmp___11={0:0}, tmp___12=40, tmp___13={0:0}, tmp___14={0:0}, tmp___15={0:0}, tmp___16=3, tmp___17=1, tmp___19=1, tmp___2=19, tmp___3=26, tmp___4={0:0}, tmp___5={0:0}, tmp___6=13, tmp___7=17, tmp___8={0:0}, tmp___9={0:0}, usb_counter=0] [L8077] tmp___17 = __VERIFIER_nondet_int() [L8079] case 0: [L8145] case 1: [L8181] case 2: VAL [__mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={4294967343:4294967307}, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldvarg0={60:0}, ldvarg1={0:0}, ldvarg10=17, ldvarg11={0:0}, ldvarg12={0:0}, ldvarg13=13, ldvarg14={0:0}, ldvarg15={0:0}, ldvarg16=40, ldvarg17={0:0}, ldvarg18={0:0}, ldvarg19=3, ldvarg2={61:0}, ldvarg3=26, ldvarg4={0:0}, ldvarg5={0:0}, ldvarg6=23, ldvarg7=19, ldvarg8={0:0}, ldvarg9={0:0}, ref_cnt=0, set_impl={58:0}, tmp={0:0}, tmp___0={0:0}, tmp___1={0:0}, tmp___10=23, tmp___11={0:0}, tmp___12=40, tmp___13={0:0}, tmp___14={0:0}, tmp___15={0:0}, tmp___16=3, tmp___17=2, tmp___19=1, tmp___2=19, tmp___3=26, tmp___4={0:0}, tmp___5={0:0}, tmp___6=13, tmp___7=17, tmp___8={0:0}, tmp___9={0:0}, usb_counter=0] [L8182] COND TRUE ldv_state_variable_2 != 0 [L8183] tmp___20 = __VERIFIER_nondet_int() [L8185] case 0: [L8192] case 1: [L8199] case 2: [L8216] case 3: [L8233] case 4: [L8243] case 5: [L8260] case 6: VAL [__mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={4294967343:4294967307}, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldvarg0={60:0}, ldvarg1={0:0}, ldvarg10=17, ldvarg11={0:0}, ldvarg12={0:0}, ldvarg13=13, ldvarg14={0:0}, ldvarg15={0:0}, ldvarg16=40, ldvarg17={0:0}, ldvarg18={0:0}, ldvarg19=3, ldvarg2={61:0}, ldvarg3=26, ldvarg4={0:0}, ldvarg5={0:0}, ldvarg6=23, ldvarg7=19, ldvarg8={0:0}, ldvarg9={0:0}, ref_cnt=0, set_impl={58:0}, tmp={0:0}, tmp___0={0:0}, tmp___1={0:0}, tmp___10=23, tmp___11={0:0}, tmp___12=40, tmp___13={0:0}, tmp___14={0:0}, tmp___15={0:0}, tmp___16=3, tmp___17=2, tmp___19=1, tmp___2=19, tmp___20=6, tmp___3=26, tmp___4={0:0}, tmp___5={0:0}, tmp___6=13, tmp___7=17, tmp___8={0:0}, tmp___9={0:0}, usb_counter=0] [L8261] COND TRUE ldv_state_variable_2 == 1 VAL [__mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={4294967343:4294967307}, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldvarg0={60:0}, ldvarg1={0:0}, ldvarg10=17, ldvarg11={0:0}, ldvarg12={0:0}, ldvarg13=13, ldvarg14={0:0}, ldvarg15={0:0}, ldvarg16=40, ldvarg17={0:0}, ldvarg18={0:0}, ldvarg19=3, ldvarg2={61:0}, ldvarg3=26, ldvarg4={0:0}, ldvarg5={0:0}, ldvarg6=23, ldvarg7=19, ldvarg8={0:0}, ldvarg9={0:0}, ref_cnt=0, set_impl={58:0}, tmp={0:0}, tmp___0={0:0}, tmp___1={0:0}, tmp___10=23, tmp___11={0:0}, tmp___12=40, tmp___13={0:0}, tmp___14={0:0}, tmp___15={0:0}, tmp___16=3, tmp___17=2, tmp___19=1, tmp___2=19, tmp___20=6, tmp___3=26, tmp___4={0:0}, tmp___5={0:0}, tmp___6=13, tmp___7=17, tmp___8={0:0}, tmp___9={0:0}, usb_counter=0] [L8262] CALL ath6kl_usb_power_on(ath6kl_usb_ops_group0) VAL [\old(last_index)=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={4294967343:4294967307}, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ref_cnt=0, set_impl={58:0}, usb_counter=0] [L7778] CALL hif_start(ar) [L7450] struct ath6kl_usb *device ; [L7451] struct ath6kl_usb *tmp ; [L7452] int i ; VAL [\old(last_index)=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={4294967343:4294967307}, ar={0:0}, ar={0:0}, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ref_cnt=0, set_impl={58:0}, usb_counter=0] [L7454] CALL, EXPR ath6kl_usb_priv(ar) VAL [\old(last_index)=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={4294967343:4294967307}, ar={0:0}, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ref_cnt=0, set_impl={58:0}, usb_counter=0] [L6929] EXPR ar->hif_priv [L6929] return ((struct ath6kl_usb *)ar->hif_priv); [L7454] RET, EXPR ath6kl_usb_priv(ar) VAL [\old(last_index)=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={4294967343:4294967307}, ar={0:0}, ar={0:0}, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, ath6kl_usb_priv(ar)={-63:-2049}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ref_cnt=0, set_impl={58:0}, usb_counter=0] [L7454] tmp = ath6kl_usb_priv(ar) [L7455] device = tmp [L7456] CALL ath6kl_usb_start_recv_pipes(device) [L7229] ar_usb->pipes[5].urb_cnt_thresh = 1U VAL [\old(last_index)=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={4294967343:4294967307}, ar_usb={-63:-2049}, ar_usb={-63:-2049}, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ref_cnt=0, set_impl={58:0}, usb_counter=0] [L7230-L7231] CALL ath6kl_usb_post_recv_transfers((struct ath6kl_usb_pipe *)(& ar_usb->pipes) + 5UL, 4096) VAL [\old(last_index)=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={4294967343:4294967307}, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ref_cnt=0, set_impl={58:0}, usb_counter=0] [L7162] struct ath6kl_urb_context *urb_context ; [L7163] struct urb *urb ; [L7164] int usb_status ; VAL [\old(buffer_length)=4096, \old(last_index)=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={4294967343:4294967307}, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, buffer_length=4096, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, recv_pipe={-63:0}, recv_pipe={-63:0}, ref_cnt=0, set_impl={58:0}, usb_counter=0] [L7167] CALL, EXPR ath6kl_usb_alloc_urb_from_pipe(recv_pipe) VAL [\old(last_index)=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={4294967343:4294967307}, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ref_cnt=0, set_impl={58:0}, usb_counter=0] [L6883] struct ath6kl_urb_context *urb_context ; [L6884] unsigned long flags ; [L6885] raw_spinlock_t *tmp ; [L6886] struct list_head const *__mptr ; [L6887] int tmp___0 ; [L6889] urb_context = (struct ath6kl_urb_context *)0 [L6890] EXPR pipe->ar_usb VAL [\old(last_index)=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={4294967343:4294967307}, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, pipe={-63:0}, pipe={-63:0}, pipe->ar_usb={0:0}, ref_cnt=0, set_impl={58:0}, urb_context={0:0}, usb_counter=0] [L6890] CALL, EXPR spinlock_check(& (pipe->ar_usb)->cs_lock) VAL [\old(last_index)=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={4294967343:4294967307}, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, lock={0:0}, ref_cnt=0, set_impl={58:0}, usb_counter=0] [L6599] return (& lock->ldv_6338.rlock); VAL [\old(last_index)=0, \result={0:0}, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={4294967343:4294967307}, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, lock={0:0}, lock={0:0}, ref_cnt=0, set_impl={58:0}, usb_counter=0] [L6890] RET, EXPR spinlock_check(& (pipe->ar_usb)->cs_lock) VAL [\old(last_index)=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={4294967343:4294967307}, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, pipe={-63:0}, pipe={-63:0}, pipe->ar_usb={0:0}, ref_cnt=0, set_impl={58:0}, spinlock_check(& (pipe->ar_usb)->cs_lock)={0:0}, urb_context={0:0}, usb_counter=0] [L6890] tmp = spinlock_check(& (pipe->ar_usb)->cs_lock) [L6891] CALL, EXPR _raw_spin_lock_irqsave(tmp) VAL [\old(last_index)=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={4294967343:4294967307}, arg0={0:0}, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ref_cnt=0, set_impl={58:0}, usb_counter=0] [L8720] return __VERIFIER_nondet_ulong(); [L6891] RET, EXPR _raw_spin_lock_irqsave(tmp) VAL [\old(last_index)=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={4294967343:4294967307}, _raw_spin_lock_irqsave(tmp)=4294967335, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, pipe={-63:0}, pipe={-63:0}, ref_cnt=0, set_impl={58:0}, tmp={0:0}, urb_context={0:0}, usb_counter=0] [L6891] flags = _raw_spin_lock_irqsave(tmp) [L6892] CALL, EXPR list_empty((struct list_head const *)(& pipe->urb_list_head)) [L6586] EXPR head->next [L6586] return ((unsigned long )((struct list_head const *)head->next) == (unsigned long )head); [L6892] RET, EXPR list_empty((struct list_head const *)(& pipe->urb_list_head)) [L6892] tmp___0 = list_empty((struct list_head const *)(& pipe->urb_list_head)) [L6893] COND TRUE tmp___0 == 0 [L6894] EXPR pipe->urb_list_head.next [L6894] __mptr = (struct list_head const *)pipe->urb_list_head.next [L6895] urb_context = (struct ath6kl_urb_context *)__mptr [L6896] FCALL list_del(& urb_context->link) [L6897] EXPR pipe->urb_cnt [L6897] pipe->urb_cnt = pipe->urb_cnt - 1U [L6900] EXPR pipe->ar_usb VAL [\old(last_index)=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mptr={-18446744073709551615:56}, __this_module={4294967343:4294967307}, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, flags=4294967335, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, pipe={-63:0}, pipe={-63:0}, pipe->ar_usb={0:0}, ref_cnt=0, set_impl={58:0}, tmp={0:0}, tmp___0=0, urb_context={-18446744073709551615:56}, usb_counter=0] [L6900] CALL spin_unlock_irqrestore(& (pipe->ar_usb)->cs_lock, flags) VAL [\old(last_index)=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={4294967343:4294967307}, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ref_cnt=0, set_impl={58:0}, usb_counter=0] [L6605] FCALL _raw_spin_unlock_irqrestore(& lock->ldv_6338.rlock, flags) [L6900] RET spin_unlock_irqrestore(& (pipe->ar_usb)->cs_lock, flags) VAL [\old(last_index)=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mptr={-18446744073709551615:56}, __this_module={4294967343:4294967307}, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, flags=4294967335, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, pipe={-63:0}, pipe={-63:0}, pipe->ar_usb={0:0}, ref_cnt=0, set_impl={58:0}, tmp={0:0}, tmp___0=0, urb_context={-18446744073709551615:56}, usb_counter=0] [L6901] return (urb_context); VAL [\old(last_index)=0, \result={-18446744073709551615:56}, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mptr={-18446744073709551615:56}, __this_module={4294967343:4294967307}, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, flags=4294967335, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, pipe={-63:0}, pipe={-63:0}, ref_cnt=0, set_impl={58:0}, tmp={0:0}, tmp___0=0, urb_context={-18446744073709551615:56}, usb_counter=0] [L7167] RET, EXPR ath6kl_usb_alloc_urb_from_pipe(recv_pipe) VAL [\old(buffer_length)=4096, \old(last_index)=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={4294967343:4294967307}, ath6kl_usb_alloc_urb_from_pipe(recv_pipe)={-18446744073709551615:56}, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, buffer_length=4096, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, recv_pipe={-63:0}, recv_pipe={-63:0}, ref_cnt=0, set_impl={58:0}, usb_counter=0] [L7167] urb_context = ath6kl_usb_alloc_urb_from_pipe(recv_pipe) [L7168] COND FALSE !((unsigned long )urb_context == (unsigned long )((struct ath6kl_urb_context *)0)) [L7172] CALL, EXPR ldv_dev_alloc_skb_12((unsigned int )buffer_length) [L8451] struct sk_buff *tmp ; VAL [\old(last_index)=0, \old(length)=4096, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={4294967343:4294967307}, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, length=4096, ref_cnt=0, set_impl={58:0}, usb_counter=0] [L8453] CALL, EXPR ldv_skb_alloc() VAL [\old(last_index)=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={4294967343:4294967307}, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ref_cnt=0, set_impl={58:0}, usb_counter=0] [L8626] void *skb ; [L8627] void *tmp___7 ; VAL [\old(last_index)=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={4294967343:4294967307}, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ref_cnt=0, set_impl={58:0}, usb_counter=0] [L8629] CALL, EXPR ldv_zalloc(sizeof(struct sk_buff___0 )) VAL [\old(last_index)=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={4294967343:4294967307}, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ref_cnt=0, set_impl={58:0}, usb_counter=0] [L6729] void *p ; [L6730] void *tmp ; [L6731] int tmp___0 ; [L6733] tmp___0 = __VERIFIER_nondet_int() [L6734] COND FALSE !(tmp___0 != 0) [L6737] EXPR, FCALL calloc(1UL, size) [L6737] tmp = calloc(1UL, size) [L6738] p = tmp VAL [\old(last_index)=0, \old(size)=248, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={4294967343:4294967307}, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, calloc(1UL, size)={-63:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, p={-63:0}, ref_cnt=0, set_impl={58:0}, size=248, tmp={-63:0}, tmp___0=0, usb_counter=0] [L6739] CALL assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(cond)=1, \old(last_index)=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={4294967343:4294967307}, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ref_cnt=0, set_impl={58:0}, usb_counter=0] [L6708] COND FALSE !(!cond) VAL [\old(cond)=1, \old(last_index)=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={4294967343:4294967307}, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, cond=1, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ref_cnt=0, set_impl={58:0}, usb_counter=0] [L6739] RET assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(last_index)=0, \old(size)=248, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={4294967343:4294967307}, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, calloc(1UL, size)={-63:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, p={-63:0}, ref_cnt=0, set_impl={58:0}, size=248, tmp={-63:0}, tmp___0=0, usb_counter=0] [L6740] return (p); VAL [\old(last_index)=0, \old(size)=248, \result={-63:0}, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={4294967343:4294967307}, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, calloc(1UL, size)={-63:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, p={-63:0}, ref_cnt=0, set_impl={58:0}, size=248, tmp={-63:0}, tmp___0=0, usb_counter=0] [L8629] RET, EXPR ldv_zalloc(sizeof(struct sk_buff___0 )) VAL [\old(last_index)=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={4294967343:4294967307}, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldv_zalloc(sizeof(struct sk_buff___0 ))={-63:0}, ref_cnt=0, set_impl={58:0}, usb_counter=0] [L8629] tmp___7 = ldv_zalloc(sizeof(struct sk_buff___0 )) [L8630] skb = (struct sk_buff___0 *)tmp___7 VAL [\old(last_index)=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={4294967343:4294967307}, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ref_cnt=0, set_impl={58:0}, skb={-63:0}, tmp___7={-63:0}, usb_counter=0] [L8631] COND FALSE !(! skb) [L8634] CALL ldv_set_add(LDV_SKBS, skb) [L8502] int i ; [L8504] i = 0 VAL [\old(last_index)=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={4294967343:4294967307}, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, e={-63:0}, e={-63:0}, i=0, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ref_cnt=0, set={0:0}, set={0:0}, set_impl={58:0}, usb_counter=0] [L8505] COND TRUE 1 VAL [\old(last_index)=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={4294967343:4294967307}, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, e={-63:0}, e={-63:0}, i=0, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ref_cnt=0, set={0:0}, set={0:0}, set_impl={58:0}, usb_counter=0] [L8506] COND FALSE !(i < last_index) VAL [\old(last_index)=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={4294967343:4294967307}, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, e={-63:0}, e={-63:0}, i=0, last_index=0, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ref_cnt=0, set={0:0}, set={0:0}, set_impl={58:0}, usb_counter=0] [L8516] COND TRUE last_index < 15 [L8517] set_impl[last_index] = e [L8518] last_index = last_index + 1 VAL [\old(last_index)=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={4294967343:4294967307}, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, e={-63:0}, e={-63:0}, i=0, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ref_cnt=0, set={0:0}, set={0:0}, set_impl={58:0}, usb_counter=0] [L8634] RET ldv_set_add(LDV_SKBS, skb) [L8635] return (skb); VAL [\old(last_index)=0, \result={-63:0}, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={4294967343:4294967307}, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ref_cnt=0, set_impl={58:0}, skb={-63:0}, tmp___7={-63:0}, usb_counter=0] [L8453] RET, EXPR ldv_skb_alloc() VAL [\old(last_index)=0, \old(length)=4096, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={4294967343:4294967307}, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, ldv_skb_alloc()={-63:0}, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, length=4096, ref_cnt=0, set_impl={58:0}, usb_counter=0] [L8453] tmp = ldv_skb_alloc() [L8454] return (tmp); VAL [\old(last_index)=0, \old(length)=4096, \result={-63:0}, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={4294967343:4294967307}, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, length=4096, ref_cnt=0, set_impl={58:0}, tmp={-63:0}, usb_counter=0] [L7172] RET, EXPR ldv_dev_alloc_skb_12((unsigned int )buffer_length) [L7172] urb_context->skb = ldv_dev_alloc_skb_12((unsigned int )buffer_length) [L7173] EXPR urb_context->skb VAL [\old(buffer_length)=4096, \old(last_index)=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={4294967343:4294967307}, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, buffer_length=4096, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, recv_pipe={-63:0}, recv_pipe={-63:0}, ref_cnt=0, set_impl={58:0}, urb_context={-18446744073709551615:56}, urb_context->skb={-63:0}, usb_counter=0] [L7173] COND FALSE !((unsigned long )urb_context->skb == (unsigned long )((struct sk_buff *)0)) [L7177] CALL, EXPR usb_alloc_urb(0, 32U) VAL [\old(arg0)=0, \old(arg1)=32, \old(last_index)=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={4294967343:4294967307}, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ref_cnt=0, set_impl={58:0}, usb_counter=0] [L8787] CALL, EXPR ldv_malloc(sizeof(struct urb)) VAL [\old(last_index)=0, \old(size)=184, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={4294967343:4294967307}, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ref_cnt=0, set_impl={58:0}, usb_counter=0] [L6712] void *p ; [L6713] void *tmp ; [L6714] int tmp___0 ; [L6716] tmp___0 = __VERIFIER_nondet_int() [L6717] COND FALSE !(tmp___0 != 0) [L6720] tmp = malloc(size) [L6721] p = tmp VAL [\old(last_index)=0, \old(size)=184, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={4294967343:4294967307}, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, p={-18446744073709551615:0}, ref_cnt=0, set_impl={58:0}, size=184, tmp={-18446744073709551615:0}, tmp___0=0, usb_counter=0] [L6722] CALL assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(cond)=1, \old(last_index)=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={4294967343:4294967307}, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ref_cnt=0, set_impl={58:0}, usb_counter=0] [L6708] COND FALSE !(!cond) VAL [\old(cond)=1, \old(last_index)=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={4294967343:4294967307}, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, cond=1, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ref_cnt=0, set_impl={58:0}, usb_counter=0] [L6722] RET assume_abort_if_not((unsigned long )p != (unsigned long )((void *)0)) VAL [\old(last_index)=0, \old(size)=184, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={4294967343:4294967307}, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, p={-18446744073709551615:0}, ref_cnt=0, set_impl={58:0}, size=184, tmp={-18446744073709551615:0}, tmp___0=0, usb_counter=0] [L6723] return (p); VAL [\old(last_index)=0, \old(size)=184, \result={-18446744073709551615:0}, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={4294967343:4294967307}, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, p={-18446744073709551615:0}, ref_cnt=0, set_impl={58:0}, size=184, tmp={-18446744073709551615:0}, tmp___0=0, usb_counter=0] [L8787] RET, EXPR ldv_malloc(sizeof(struct urb)) VAL [\old(arg0)=0, \old(arg1)=32, \old(last_index)=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={4294967343:4294967307}, arg0=0, arg1=32, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_malloc(sizeof(struct urb))={-18446744073709551615:0}, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ref_cnt=0, set_impl={58:0}, usb_counter=0] [L8787] return ldv_malloc(sizeof(struct urb)); [L7177] RET, EXPR usb_alloc_urb(0, 32U) VAL [\old(buffer_length)=4096, \old(last_index)=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={4294967343:4294967307}, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, buffer_length=4096, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, recv_pipe={-63:0}, recv_pipe={-63:0}, ref_cnt=0, set_impl={58:0}, urb_context={-18446744073709551615:56}, usb_alloc_urb(0, 32U)={-18446744073709551615:0}, usb_counter=0] [L7177] urb = usb_alloc_urb(0, 32U) [L7178] COND FALSE !((unsigned long )urb == (unsigned long )((struct urb *)0)) [L7182] EXPR recv_pipe->ar_usb [L7182] EXPR (recv_pipe->ar_usb)->udev [L7182] EXPR recv_pipe->usb_pipe_handle [L7182] EXPR urb_context->skb [L7182] EXPR (urb_context->skb)->data VAL [(recv_pipe->ar_usb)->udev={4294967304:4294967331}, (urb_context->skb)->data={-63:4294967300}, \old(buffer_length)=4096, \old(last_index)=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={4294967343:4294967307}, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, buffer_length=4096, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, recv_pipe={-63:0}, recv_pipe={-63:0}, recv_pipe->ar_usb={0:0}, recv_pipe->usb_pipe_handle=0, ref_cnt=0, set_impl={58:0}, urb={-18446744073709551615:0}, urb_context={-18446744073709551615:56}, urb_context->skb={-63:0}, usb_counter=0] [L7182-L7183] CALL usb_fill_bulk_urb(urb, (recv_pipe->ar_usb)->udev, recv_pipe->usb_pipe_handle, (void *)(urb_context->skb)->data, buffer_length, & ath6kl_usb_recv_complete, (void *)urb_context) VAL [\old(buffer_length)=4096, \old(last_index)=0, \old(pipe)=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={4294967343:4294967307}, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, complete_fn={-1:0}, context={-18446744073709551615:56}, dev={4294967304:4294967331}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ref_cnt=0, set_impl={58:0}, transfer_buffer={-63:4294967300}, urb={-18446744073709551615:0}, usb_counter=0] [L6847] urb->dev = dev [L6848] urb->pipe = pipe [L6849] urb->transfer_buffer = transfer_buffer [L6850] urb->transfer_buffer_length = (u32 )buffer_length [L6851] urb->complete = complete_fn [L6852] urb->context = context VAL [\old(buffer_length)=4096, \old(last_index)=0, \old(pipe)=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={4294967343:4294967307}, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, buffer_length=4096, complete_fn={-1:0}, complete_fn={-1:0}, context={-18446744073709551615:56}, context={-18446744073709551615:56}, dev={4294967304:4294967331}, dev={4294967304:4294967331}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, pipe=0, ref_cnt=0, set_impl={58:0}, transfer_buffer={-63:4294967300}, transfer_buffer={-63:4294967300}, urb={-18446744073709551615:0}, urb={-18446744073709551615:0}, usb_counter=0] [L7182-L7183] RET usb_fill_bulk_urb(urb, (recv_pipe->ar_usb)->udev, recv_pipe->usb_pipe_handle, (void *)(urb_context->skb)->data, buffer_length, & ath6kl_usb_recv_complete, (void *)urb_context) VAL [(recv_pipe->ar_usb)->udev={4294967304:4294967331}, (urb_context->skb)->data={-63:4294967300}, \old(buffer_length)=4096, \old(last_index)=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={4294967343:4294967307}, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, buffer_length=4096, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, recv_pipe={-63:0}, recv_pipe={-63:0}, recv_pipe->ar_usb={0:0}, recv_pipe->usb_pipe_handle=0, ref_cnt=0, set_impl={58:0}, urb={-18446744073709551615:0}, urb_context={-18446744073709551615:56}, urb_context->skb={-63:0}, usb_counter=0] [L7185] recv_pipe->logical_pipe_num [L7185] recv_pipe->usb_pipe_handle [L7185] recv_pipe->ep_address [L7186] urb_context->skb [L7187] FCALL usb_anchor_urb(urb, & recv_pipe->urb_submitted) VAL [\old(buffer_length)=4096, \old(last_index)=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={4294967343:4294967307}, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, buffer_length=4096, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, recv_pipe={-63:0}, recv_pipe={-63:0}, ref_cnt=0, set_impl={58:0}, urb={-18446744073709551615:0}, urb_context={-18446744073709551615:56}, usb_counter=0] [L7188] CALL, EXPR usb_submit_urb(urb, 32U) VAL [\old(arg1)=32, \old(last_index)=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={4294967343:4294967307}, arg0={-18446744073709551615:0}, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ref_cnt=0, set_impl={58:0}, usb_counter=0] [L8817] return __VERIFIER_nondet_int(); [L7188] RET, EXPR usb_submit_urb(urb, 32U) VAL [\old(buffer_length)=4096, \old(last_index)=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={4294967343:4294967307}, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, buffer_length=4096, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, recv_pipe={-63:0}, recv_pipe={-63:0}, ref_cnt=0, set_impl={58:0}, urb={-18446744073709551615:0}, urb_context={-18446744073709551615:56}, usb_counter=0, usb_submit_urb(urb, 32U)=63] [L7188] usb_status = usb_submit_urb(urb, 32U) [L7189] COND TRUE usb_status != 0 VAL [\old(buffer_length)=4096, \old(last_index)=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={4294967343:4294967307}, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, buffer_length=4096, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, recv_pipe={-63:0}, recv_pipe={-63:0}, ref_cnt=0, set_impl={58:0}, urb={-18446744073709551615:0}, urb_context={-18446744073709551615:56}, usb_counter=0, usb_status=63] [L7191] FCALL usb_unanchor_urb(urb) VAL [\old(buffer_length)=4096, \old(last_index)=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={4294967343:4294967307}, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, buffer_length=4096, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, recv_pipe={-63:0}, recv_pipe={-63:0}, ref_cnt=0, set_impl={58:0}, urb={-18446744073709551615:0}, urb_context={-18446744073709551615:56}, usb_counter=0, usb_status=63] [L7192] FCALL usb_free_urb(urb) VAL [\old(buffer_length)=4096, \old(last_index)=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={4294967343:4294967307}, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, buffer_length=4096, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, recv_pipe={-63:0}, recv_pipe={-63:0}, ref_cnt=0, set_impl={58:0}, urb={-18446744073709551615:0}, urb_context={-18446744073709551615:56}, usb_counter=0, usb_status=63] [L7201] CALL ath6kl_usb_cleanup_recv_urb(urb_context) VAL [\old(last_index)=1, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={4294967343:4294967307}, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ref_cnt=0, set_impl={58:0}, urb_context={-18446744073709551615:56}, usb_counter=0] [L6920] EXPR urb_context->skb VAL [\old(last_index)=1, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={4294967343:4294967307}, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ref_cnt=0, set_impl={58:0}, urb_context={-18446744073709551615:56}, urb_context={-18446744073709551615:56}, urb_context->skb={-63:62}, usb_counter=0] [L6920] CALL ldv_skb_free(urb_context->skb) VAL [\old(last_index)=1, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={4294967343:4294967307}, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ref_cnt=0, set_impl={58:0}, skb={-63:62}, usb_counter=0] [L8649] CALL ldv_set_remove(LDV_SKBS, skb) VAL [\old(last_index)=1, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={4294967343:4294967307}, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, e={-63:62}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ref_cnt=0, set={0:0}, set_impl={58:0}, usb_counter=0] [L8527] int i ; [L8528] int deleted_index ; [L8530] deleted_index = -1 [L8531] i = 0 VAL [\old(last_index)=1, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={4294967343:4294967307}, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, deleted_index=-1, e={-63:62}, e={-63:62}, i=0, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ref_cnt=0, set={0:0}, set={0:0}, set_impl={58:0}, usb_counter=0] [L8532] COND TRUE 1 VAL [\old(last_index)=1, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={4294967343:4294967307}, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, deleted_index=-1, e={-63:62}, e={-63:62}, i=0, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ref_cnt=0, set={0:0}, set={0:0}, set_impl={58:0}, usb_counter=0] [L8533] COND TRUE i < last_index VAL [\old(last_index)=1, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={4294967343:4294967307}, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, deleted_index=-1, e={-63:62}, e={-63:62}, i=0, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ref_cnt=0, set={0:0}, set={0:0}, set_impl={58:0}, usb_counter=0] [L8537] EXPR set_impl[i] VAL [\old(last_index)=1, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={4294967343:4294967307}, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, deleted_index=-1, e={-63:62}, e={-63:62}, i=0, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ref_cnt=0, set={0:0}, set={0:0}, set_impl={58:0}, set_impl[i]={-63:0}, usb_counter=0] [L8537] COND FALSE !((unsigned long )set_impl[i] == (unsigned long )e) [L8542] i = i + 1 VAL [\old(last_index)=1, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={4294967343:4294967307}, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, deleted_index=-1, e={-63:62}, e={-63:62}, i=1, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ref_cnt=0, set={0:0}, set={0:0}, set_impl={58:0}, usb_counter=0] [L8532] COND TRUE 1 VAL [\old(last_index)=1, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={4294967343:4294967307}, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, deleted_index=-1, e={-63:62}, e={-63:62}, i=1, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ref_cnt=0, set={0:0}, set={0:0}, set_impl={58:0}, usb_counter=0] [L8533] COND FALSE !(i < last_index) VAL [\old(last_index)=1, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={4294967343:4294967307}, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, deleted_index=-1, e={-63:62}, e={-63:62}, i=1, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ref_cnt=0, set={0:0}, set={0:0}, set_impl={58:0}, usb_counter=0] [L8544] COND FALSE !(deleted_index != -1) VAL [\old(last_index)=1, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={4294967343:4294967307}, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, deleted_index=-1, e={-63:62}, e={-63:62}, i=1, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ref_cnt=0, set={0:0}, set={0:0}, set_impl={58:0}, usb_counter=0] [L8649] RET ldv_set_remove(LDV_SKBS, skb) VAL [\old(last_index)=1, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={4294967343:4294967307}, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ref_cnt=0, set_impl={58:0}, skb={-63:62}, skb={-63:62}, usb_counter=0] [L6920] RET ldv_skb_free(urb_context->skb) VAL [\old(last_index)=1, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={4294967343:4294967307}, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ref_cnt=0, set_impl={58:0}, urb_context={-18446744073709551615:56}, urb_context={-18446744073709551615:56}, urb_context->skb={-63:62}, usb_counter=0] [L6921] urb_context->skb = (struct sk_buff *)0 [L6922] EXPR urb_context->pipe VAL [\old(last_index)=1, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={4294967343:4294967307}, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ref_cnt=0, set_impl={58:0}, urb_context={-18446744073709551615:56}, urb_context={-18446744073709551615:56}, urb_context->pipe={-18446744073709551615:0}, usb_counter=0] [L6922] CALL ath6kl_usb_free_urb_to_pipe(urb_context->pipe, urb_context) VAL [\old(last_index)=1, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={4294967343:4294967307}, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, pipe={-18446744073709551615:0}, ref_cnt=0, set_impl={58:0}, urb_context={-18446744073709551615:56}, usb_counter=0] [L6906] unsigned long flags ; [L6907] raw_spinlock_t *tmp ; [L6909] EXPR pipe->ar_usb VAL [\old(last_index)=1, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={4294967343:4294967307}, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, pipe={-18446744073709551615:0}, pipe={-18446744073709551615:0}, pipe->ar_usb={0:0}, ref_cnt=0, set_impl={58:0}, urb_context={-18446744073709551615:56}, urb_context={-18446744073709551615:56}, usb_counter=0] [L6909] CALL, EXPR spinlock_check(& (pipe->ar_usb)->cs_lock) VAL [\old(last_index)=1, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={4294967343:4294967307}, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, lock={0:0}, ref_cnt=0, set_impl={58:0}, usb_counter=0] [L6599] return (& lock->ldv_6338.rlock); VAL [\old(last_index)=1, \result={0:0}, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={4294967343:4294967307}, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, lock={0:0}, lock={0:0}, ref_cnt=0, set_impl={58:0}, usb_counter=0] [L6909] RET, EXPR spinlock_check(& (pipe->ar_usb)->cs_lock) VAL [\old(last_index)=1, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={4294967343:4294967307}, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, pipe={-18446744073709551615:0}, pipe={-18446744073709551615:0}, pipe->ar_usb={0:0}, ref_cnt=0, set_impl={58:0}, spinlock_check(& (pipe->ar_usb)->cs_lock)={0:0}, urb_context={-18446744073709551615:56}, urb_context={-18446744073709551615:56}, usb_counter=0] [L6909] tmp = spinlock_check(& (pipe->ar_usb)->cs_lock) [L6910] CALL, EXPR _raw_spin_lock_irqsave(tmp) VAL [\old(last_index)=1, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={4294967343:4294967307}, arg0={0:0}, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ref_cnt=0, set_impl={58:0}, usb_counter=0] [L8720] return __VERIFIER_nondet_ulong(); [L6910] RET, EXPR _raw_spin_lock_irqsave(tmp) VAL [\old(last_index)=1, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={4294967343:4294967307}, _raw_spin_lock_irqsave(tmp)=4294967310, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, pipe={-18446744073709551615:0}, pipe={-18446744073709551615:0}, ref_cnt=0, set_impl={58:0}, tmp={0:0}, urb_context={-18446744073709551615:56}, urb_context={-18446744073709551615:56}, usb_counter=0] [L6910] flags = _raw_spin_lock_irqsave(tmp) [L6911] EXPR pipe->urb_cnt [L6911] pipe->urb_cnt = pipe->urb_cnt + 1U [L6912] CALL list_add(& urb_context->link, & pipe->urb_list_head) [L6578] EXPR head->next [L6578] FCALL __list_add(new, head, head->next) [L6912] RET list_add(& urb_context->link, & pipe->urb_list_head) [L6913] EXPR pipe->ar_usb VAL [\old(last_index)=1, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={4294967343:4294967307}, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, flags=4294967310, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, pipe={-18446744073709551615:0}, pipe={-18446744073709551615:0}, pipe->ar_usb={0:0}, ref_cnt=0, set_impl={58:0}, tmp={0:0}, urb_context={-18446744073709551615:56}, urb_context={-18446744073709551615:56}, usb_counter=0] [L6913] CALL spin_unlock_irqrestore(& (pipe->ar_usb)->cs_lock, flags) VAL [\old(last_index)=1, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={4294967343:4294967307}, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ref_cnt=0, set_impl={58:0}, usb_counter=0] [L6605] FCALL _raw_spin_unlock_irqrestore(& lock->ldv_6338.rlock, flags) [L6913] RET spin_unlock_irqrestore(& (pipe->ar_usb)->cs_lock, flags) VAL [\old(last_index)=1, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={4294967343:4294967307}, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, flags=4294967310, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, pipe={-18446744073709551615:0}, pipe={-18446744073709551615:0}, pipe->ar_usb={0:0}, ref_cnt=0, set_impl={58:0}, tmp={0:0}, urb_context={-18446744073709551615:56}, urb_context={-18446744073709551615:56}, usb_counter=0] [L6922] RET ath6kl_usb_free_urb_to_pipe(urb_context->pipe, urb_context) VAL [\old(last_index)=1, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={4294967343:4294967307}, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ref_cnt=0, set_impl={58:0}, urb_context={-18446744073709551615:56}, urb_context={-18446744073709551615:56}, urb_context->pipe={-18446744073709551615:0}, usb_counter=0] [L7201] RET ath6kl_usb_cleanup_recv_urb(urb_context) VAL [\old(buffer_length)=4096, \old(last_index)=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={4294967343:4294967307}, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, buffer_length=4096, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, recv_pipe={-63:0}, recv_pipe={-63:0}, ref_cnt=0, set_impl={58:0}, urb={-18446744073709551615:0}, urb_context={-18446744073709551615:56}, usb_counter=0, usb_status=63] [L7230-L7231] RET ath6kl_usb_post_recv_transfers((struct ath6kl_usb_pipe *)(& ar_usb->pipes) + 5UL, 4096) VAL [\old(last_index)=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={4294967343:4294967307}, ar_usb={-63:-2049}, ar_usb={-63:-2049}, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ref_cnt=0, set_impl={58:0}, usb_counter=0] [L7456] RET ath6kl_usb_start_recv_pipes(device) [L7457] i = 0 VAL [\old(last_index)=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={4294967343:4294967307}, ar={0:0}, ar={0:0}, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, device={-63:-2049}, i=0, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ref_cnt=0, set_impl={58:0}, tmp={-63:-2049}, usb_counter=0] [L7463] COND TRUE i <= 3 VAL [\old(last_index)=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={4294967343:4294967307}, ar={0:0}, ar={0:0}, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, device={-63:-2049}, i=0, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ref_cnt=0, set_impl={58:0}, tmp={-63:-2049}, usb_counter=0] [L7460] EXPR device->pipes[i].urb_alloc [L7460] device->pipes[i].urb_cnt_thresh = device->pipes[i].urb_alloc / 2U [L7461] i = i + 1 VAL [\old(last_index)=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={4294967343:4294967307}, ar={0:0}, ar={0:0}, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, device={-63:-2049}, i=1, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ref_cnt=0, set_impl={58:0}, tmp={-63:-2049}, usb_counter=0] [L7463] COND TRUE i <= 3 VAL [\old(last_index)=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={4294967343:4294967307}, ar={0:0}, ar={0:0}, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, device={-63:-2049}, i=1, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ref_cnt=0, set_impl={58:0}, tmp={-63:-2049}, usb_counter=0] [L7460] EXPR device->pipes[i].urb_alloc [L7460] device->pipes[i].urb_cnt_thresh = device->pipes[i].urb_alloc / 2U [L7461] i = i + 1 VAL [\old(last_index)=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={4294967343:4294967307}, ar={0:0}, ar={0:0}, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, device={-63:-2049}, i=2, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ref_cnt=0, set_impl={58:0}, tmp={-63:-2049}, usb_counter=0] [L7463] COND TRUE i <= 3 VAL [\old(last_index)=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={4294967343:4294967307}, ar={0:0}, ar={0:0}, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, device={-63:-2049}, i=2, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ref_cnt=0, set_impl={58:0}, tmp={-63:-2049}, usb_counter=0] [L7460] EXPR device->pipes[i].urb_alloc [L7460] device->pipes[i].urb_cnt_thresh = device->pipes[i].urb_alloc / 2U [L7461] i = i + 1 VAL [\old(last_index)=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={4294967343:4294967307}, ar={0:0}, ar={0:0}, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, device={-63:-2049}, i=3, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ref_cnt=0, set_impl={58:0}, tmp={-63:-2049}, usb_counter=0] [L7463] COND TRUE i <= 3 VAL [\old(last_index)=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={4294967343:4294967307}, ar={0:0}, ar={0:0}, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, device={-63:-2049}, i=3, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ref_cnt=0, set_impl={58:0}, tmp={-63:-2049}, usb_counter=0] [L7460] EXPR device->pipes[i].urb_alloc [L7460] device->pipes[i].urb_cnt_thresh = device->pipes[i].urb_alloc / 2U [L7461] i = i + 1 VAL [\old(last_index)=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={4294967343:4294967307}, ar={0:0}, ar={0:0}, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, device={-63:-2049}, i=4, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ref_cnt=0, set_impl={58:0}, tmp={-63:-2049}, usb_counter=0] [L7463] COND FALSE !(i <= 3) VAL [\old(last_index)=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={4294967343:4294967307}, ar={0:0}, ar={0:0}, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, device={-63:-2049}, i=4, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ref_cnt=0, set_impl={58:0}, tmp={-63:-2049}, usb_counter=0] [L7778] RET hif_start(ar) [L7779] return (0); VAL [\old(last_index)=0, \result=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={4294967343:4294967307}, ar={0:0}, ar={0:0}, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ref_cnt=0, set_impl={58:0}, usb_counter=0] [L8262] RET ath6kl_usb_power_on(ath6kl_usb_ops_group0) VAL [__mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={4294967343:4294967307}, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, ath6kl_usb_power_on(ath6kl_usb_ops_group0)=0, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldvarg0={60:0}, ldvarg1={0:0}, ldvarg10=17, ldvarg11={0:0}, ldvarg12={0:0}, ldvarg13=13, ldvarg14={0:0}, ldvarg15={0:0}, ldvarg16=40, ldvarg17={0:0}, ldvarg18={0:0}, ldvarg19=3, ldvarg2={61:0}, ldvarg3=26, ldvarg4={0:0}, ldvarg5={0:0}, ldvarg6=23, ldvarg7=19, ldvarg8={0:0}, ldvarg9={0:0}, ref_cnt=0, set_impl={58:0}, tmp={0:0}, tmp___0={0:0}, tmp___1={0:0}, tmp___10=23, tmp___11={0:0}, tmp___12=40, tmp___13={0:0}, tmp___14={0:0}, tmp___15={0:0}, tmp___16=3, tmp___17=2, tmp___19=1, tmp___2=19, tmp___20=6, tmp___3=26, tmp___4={0:0}, tmp___5={0:0}, tmp___6=13, tmp___7=17, tmp___8={0:0}, tmp___9={0:0}, usb_counter=0] [L8263] ldv_state_variable_2 = 1 VAL [__mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={4294967343:4294967307}, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldvarg0={60:0}, ldvarg1={0:0}, ldvarg10=17, ldvarg11={0:0}, ldvarg12={0:0}, ldvarg13=13, ldvarg14={0:0}, ldvarg15={0:0}, ldvarg16=40, ldvarg17={0:0}, ldvarg18={0:0}, ldvarg19=3, ldvarg2={61:0}, ldvarg3=26, ldvarg4={0:0}, ldvarg5={0:0}, ldvarg6=23, ldvarg7=19, ldvarg8={0:0}, ldvarg9={0:0}, ref_cnt=0, set_impl={58:0}, tmp={0:0}, tmp___0={0:0}, tmp___1={0:0}, tmp___10=23, tmp___11={0:0}, tmp___12=40, tmp___13={0:0}, tmp___14={0:0}, tmp___15={0:0}, tmp___16=3, tmp___17=2, tmp___19=1, tmp___2=19, tmp___20=6, tmp___3=26, tmp___4={0:0}, tmp___5={0:0}, tmp___6=13, tmp___7=17, tmp___8={0:0}, tmp___9={0:0}, usb_counter=0] [L8266] COND FALSE !(ldv_state_variable_2 == 3) VAL [__mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={4294967343:4294967307}, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldvarg0={60:0}, ldvarg1={0:0}, ldvarg10=17, ldvarg11={0:0}, ldvarg12={0:0}, ldvarg13=13, ldvarg14={0:0}, ldvarg15={0:0}, ldvarg16=40, ldvarg17={0:0}, ldvarg18={0:0}, ldvarg19=3, ldvarg2={61:0}, ldvarg3=26, ldvarg4={0:0}, ldvarg5={0:0}, ldvarg6=23, ldvarg7=19, ldvarg8={0:0}, ldvarg9={0:0}, ref_cnt=0, set_impl={58:0}, tmp={0:0}, tmp___0={0:0}, tmp___1={0:0}, tmp___10=23, tmp___11={0:0}, tmp___12=40, tmp___13={0:0}, tmp___14={0:0}, tmp___15={0:0}, tmp___16=3, tmp___17=2, tmp___19=1, tmp___2=19, tmp___20=6, tmp___3=26, tmp___4={0:0}, tmp___5={0:0}, tmp___6=13, tmp___7=17, tmp___8={0:0}, tmp___9={0:0}, usb_counter=0] [L8271] COND FALSE !(ldv_state_variable_2 == 2) VAL [__mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={4294967343:4294967307}, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldvarg0={60:0}, ldvarg1={0:0}, ldvarg10=17, ldvarg11={0:0}, ldvarg12={0:0}, ldvarg13=13, ldvarg14={0:0}, ldvarg15={0:0}, ldvarg16=40, ldvarg17={0:0}, ldvarg18={0:0}, ldvarg19=3, ldvarg2={61:0}, ldvarg3=26, ldvarg4={0:0}, ldvarg5={0:0}, ldvarg6=23, ldvarg7=19, ldvarg8={0:0}, ldvarg9={0:0}, ref_cnt=0, set_impl={58:0}, tmp={0:0}, tmp___0={0:0}, tmp___1={0:0}, tmp___10=23, tmp___11={0:0}, tmp___12=40, tmp___13={0:0}, tmp___14={0:0}, tmp___15={0:0}, tmp___16=3, tmp___17=2, tmp___19=1, tmp___2=19, tmp___20=6, tmp___3=26, tmp___4={0:0}, tmp___5={0:0}, tmp___6=13, tmp___7=17, tmp___8={0:0}, tmp___9={0:0}, usb_counter=0] [L8077] tmp___17 = __VERIFIER_nondet_int() [L8079] case 0: [L8145] case 1: VAL [__mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={4294967343:4294967307}, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldvarg0={60:0}, ldvarg1={0:0}, ldvarg10=17, ldvarg11={0:0}, ldvarg12={0:0}, ldvarg13=13, ldvarg14={0:0}, ldvarg15={0:0}, ldvarg16=40, ldvarg17={0:0}, ldvarg18={0:0}, ldvarg19=3, ldvarg2={61:0}, ldvarg3=26, ldvarg4={0:0}, ldvarg5={0:0}, ldvarg6=23, ldvarg7=19, ldvarg8={0:0}, ldvarg9={0:0}, ref_cnt=0, set_impl={58:0}, tmp={0:0}, tmp___0={0:0}, tmp___1={0:0}, tmp___10=23, tmp___11={0:0}, tmp___12=40, tmp___13={0:0}, tmp___14={0:0}, tmp___15={0:0}, tmp___16=3, tmp___17=1, tmp___19=1, tmp___2=19, tmp___20=6, tmp___3=26, tmp___4={0:0}, tmp___5={0:0}, tmp___6=13, tmp___7=17, tmp___8={0:0}, tmp___9={0:0}, usb_counter=0] [L8146] COND TRUE ldv_state_variable_0 != 0 [L8147] tmp___19 = __VERIFIER_nondet_int() [L8149] case 0: VAL [__mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={4294967343:4294967307}, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=1, ldv_state_variable_2=1, ldvarg0={60:0}, ldvarg1={0:0}, ldvarg10=17, ldvarg11={0:0}, ldvarg12={0:0}, ldvarg13=13, ldvarg14={0:0}, ldvarg15={0:0}, ldvarg16=40, ldvarg17={0:0}, ldvarg18={0:0}, ldvarg19=3, ldvarg2={61:0}, ldvarg3=26, ldvarg4={0:0}, ldvarg5={0:0}, ldvarg6=23, ldvarg7=19, ldvarg8={0:0}, ldvarg9={0:0}, ref_cnt=0, set_impl={58:0}, tmp={0:0}, tmp___0={0:0}, tmp___1={0:0}, tmp___10=23, tmp___11={0:0}, tmp___12=40, tmp___13={0:0}, tmp___14={0:0}, tmp___15={0:0}, tmp___16=3, tmp___17=1, tmp___19=0, tmp___2=19, tmp___20=6, tmp___3=26, tmp___4={0:0}, tmp___5={0:0}, tmp___6=13, tmp___7=17, tmp___8={0:0}, tmp___9={0:0}, usb_counter=0] [L8150] COND TRUE ldv_state_variable_0 == 3 && ref_cnt == 0 [L8151] CALL ath6kl_usb_exit() [L7956] CALL ldv_usb_deregister_15(& ath6kl_usb_driver) [L8482] FCALL usb_deregister(arg) [L8483] ldv_state_variable_1 = 0 VAL [__mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={4294967343:4294967307}, arg={57:0}, arg={57:0}, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=3, ldv_state_variable_1=0, ldv_state_variable_2=1, ref_cnt=0, set_impl={58:0}, usb_counter=0] [L7956] RET ldv_usb_deregister_15(& ath6kl_usb_driver) [L8151] RET ath6kl_usb_exit() [L8152] ldv_state_variable_0 = 2 VAL [__mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={4294967343:4294967307}, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=2, ldv_state_variable_1=0, ldv_state_variable_2=1, ldvarg0={60:0}, ldvarg1={0:0}, ldvarg10=17, ldvarg11={0:0}, ldvarg12={0:0}, ldvarg13=13, ldvarg14={0:0}, ldvarg15={0:0}, ldvarg16=40, ldvarg17={0:0}, ldvarg18={0:0}, ldvarg19=3, ldvarg2={61:0}, ldvarg3=26, ldvarg4={0:0}, ldvarg5={0:0}, ldvarg6=23, ldvarg7=19, ldvarg8={0:0}, ldvarg9={0:0}, ref_cnt=0, set_impl={58:0}, tmp={0:0}, tmp___0={0:0}, tmp___1={0:0}, tmp___10=23, tmp___11={0:0}, tmp___12=40, tmp___13={0:0}, tmp___14={0:0}, tmp___15={0:0}, tmp___16=3, tmp___17=1, tmp___19=0, tmp___2=19, tmp___20=6, tmp___3=26, tmp___4={0:0}, tmp___5={0:0}, tmp___6=13, tmp___7=17, tmp___8={0:0}, tmp___9={0:0}, usb_counter=0] [L8410] CALL ldv_check_final_state() [L8693] int tmp___7 ; [L8695] CALL, EXPR ldv_set_is_empty(LDV_SKBS) [L8584] return (last_index == 0); VAL [\result=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={4294967343:4294967307}, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=2, ldv_state_variable_1=0, ldv_state_variable_2=1, ref_cnt=0, set={0:0}, set={0:0}, set_impl={58:0}, usb_counter=0] [L8695] RET, EXPR ldv_set_is_empty(LDV_SKBS) [L8695] tmp___7 = ldv_set_is_empty(LDV_SKBS) [L8696] COND FALSE !(\read(tmp___7)) VAL [__mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={4294967343:4294967307}, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=2, ldv_state_variable_1=0, ldv_state_variable_2=1, ref_cnt=0, set_impl={58:0}, tmp___7=0, usb_counter=0] [L8698] CALL ldv_error() VAL [__mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={4294967343:4294967307}, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=2, ldv_state_variable_1=0, ldv_state_variable_2=1, ref_cnt=0, set_impl={58:0}, usb_counter=0] [L6764] reach_error() VAL [__mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __mod_usb__ath6kl_usb_ids_device_table=0, __this_module={4294967343:4294967307}, ath6kl_usb_driver={57:0}, ath6kl_usb_driver_group1={0:0}, ath6kl_usb_ids={56:0}, ath6kl_usb_ops={55:0}, ath6kl_usb_ops_group0={0:0}, last_index=1, LDV_IN_INTERRUPT=1, ldv_retval_0=0, ldv_retval_1=0, ldv_retval_2=0, ldv_retval_3=0, ldv_retval_4=0, ldv_retval_5=0, ldv_retval_6=0, LDV_SKBS={0:0}, ldv_state_variable_0=2, ldv_state_variable_1=0, ldv_state_variable_2=1, ref_cnt=0, set_impl={58:0}, usb_counter=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 51 procedures, 727 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 270.8s, OverallIterations: 21, TraceHistogramMax: 14, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.4s, AutomataDifference: 164.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 7 mSolverCounterUnknown, 27349 SdHoareTripleChecker+Valid, 134.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 26086 mSDsluCounter, 81473 SdHoareTripleChecker+Invalid, 124.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 3771 IncrementalHoareTripleChecker+Unchecked, 64169 mSDsCounter, 14839 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 45686 IncrementalHoareTripleChecker+Invalid, 64303 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 14839 mSolverCounterUnsat, 17304 mSDtfsCounter, 45686 mSolverCounterSat, 0.8s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 4553 GetRequests, 4173 SyntacticMatches, 8 SemanticMatches, 372 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4225 ImplicationChecksByTransitivity, 22.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=22860occurred in iteration=12, InterpolantAutomatonStates: 216, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 19.9s AutomataMinimizationTime, 20 MinimizatonAttempts, 46784 StatesRemovedByMinimization, 19 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 1.1s SsaConstructionTime, 5.8s SatisfiabilityAnalysisTime, 69.9s InterpolantComputationTime, 7051 NumberOfCodeBlocks, 6874 NumberOfCodeBlocksAsserted, 29 NumberOfCheckSat, 7731 ConstructedInterpolants, 14 QuantifiedInterpolants, 23886 SizeOfPredicates, 71 NumberOfNonLiveVariables, 16595 ConjunctsInSsa, 290 ConjunctsInUnsatCore, 32 InterpolantComputations, 18 PerfectInterpolantSequences, 12669/12711 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-11-20 12:04:07,147 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea9022a7-01c1-49f9-ad74-f26cfb259851/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 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/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea9022a7-01c1-49f9-ad74-f26cfb259851/bin/uautomizer-ug76WZFUDN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea9022a7-01c1-49f9-ad74-f26cfb259851/bin/uautomizer-ug76WZFUDN/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea9022a7-01c1-49f9-ad74-f26cfb259851/bin/uautomizer-ug76WZFUDN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea9022a7-01c1-49f9-ad74-f26cfb259851/bin/uautomizer-ug76WZFUDN/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--ath--ath6kl--ath6kl_usb.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea9022a7-01c1-49f9-ad74-f26cfb259851/bin/uautomizer-ug76WZFUDN/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea9022a7-01c1-49f9-ad74-f26cfb259851/bin/uautomizer-ug76WZFUDN --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 037f6e8e4bd200c248573cc05d02b8c7bc97a7f8cca3135a2970ec46958bec59 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-6b4ec56 [2022-11-20 12:04:09,640 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 12:04:09,643 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 12:04:09,684 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 12:04:09,685 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 12:04:09,688 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 12:04:09,691 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 12:04:09,694 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 12:04:09,697 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 12:04:09,702 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 12:04:09,704 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 12:04:09,706 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 12:04:09,707 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 12:04:09,709 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 12:04:09,711 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 12:04:09,715 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 12:04:09,719 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 12:04:09,720 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 12:04:09,722 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 12:04:09,726 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 12:04:09,728 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 12:04:09,731 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 12:04:09,732 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 12:04:09,733 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 12:04:09,743 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 12:04:09,745 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 12:04:09,745 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 12:04:09,746 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 12:04:09,748 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 12:04:09,749 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 12:04:09,749 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 12:04:09,755 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 12:04:09,756 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 12:04:09,774 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 12:04:09,776 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 12:04:09,776 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 12:04:09,777 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 12:04:09,777 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 12:04:09,778 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 12:04:09,779 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 12:04:09,780 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 12:04:09,785 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea9022a7-01c1-49f9-ad74-f26cfb259851/bin/uautomizer-ug76WZFUDN/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-11-20 12:04:09,827 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 12:04:09,828 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 12:04:09,829 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 12:04:09,830 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 12:04:09,831 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 12:04:09,831 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 12:04:09,832 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 12:04:09,832 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 12:04:09,832 INFO L138 SettingsManager]: * Use SBE=true [2022-11-20 12:04:09,833 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 12:04:09,834 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 12:04:09,834 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 12:04:09,834 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 12:04:09,834 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 12:04:09,835 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-20 12:04:09,835 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-20 12:04:09,835 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-20 12:04:09,835 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 12:04:09,836 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 12:04:09,836 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 12:04:09,836 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 12:04:09,836 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-20 12:04:09,837 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 12:04:09,837 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 12:04:09,837 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 12:04:09,837 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 12:04:09,838 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 12:04:09,838 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-11-20 12:04:09,838 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-20 12:04:09,838 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-20 12:04:09,839 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-20 12:04:09,839 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 12:04:09,839 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-20 12:04:09,839 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_ea9022a7-01c1-49f9-ad74-f26cfb259851/bin/uautomizer-ug76WZFUDN/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea9022a7-01c1-49f9-ad74-f26cfb259851/bin/uautomizer-ug76WZFUDN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 037f6e8e4bd200c248573cc05d02b8c7bc97a7f8cca3135a2970ec46958bec59 [2022-11-20 12:04:10,203 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 12:04:10,224 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 12:04:10,227 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 12:04:10,228 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 12:04:10,229 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 12:04:10,230 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea9022a7-01c1-49f9-ad74-f26cfb259851/bin/uautomizer-ug76WZFUDN/../../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--ath--ath6kl--ath6kl_usb.ko-entry_point.cil.out.i [2022-11-20 12:04:13,292 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 12:04:13,904 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 12:04:13,907 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea9022a7-01c1-49f9-ad74-f26cfb259851/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--ath--ath6kl--ath6kl_usb.ko-entry_point.cil.out.i [2022-11-20 12:04:13,969 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea9022a7-01c1-49f9-ad74-f26cfb259851/bin/uautomizer-ug76WZFUDN/data/4edcc1d49/1c7dd55a8d884022aeb3383c7cf8a087/FLAG81dd87e6a [2022-11-20 12:04:13,983 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea9022a7-01c1-49f9-ad74-f26cfb259851/bin/uautomizer-ug76WZFUDN/data/4edcc1d49/1c7dd55a8d884022aeb3383c7cf8a087 [2022-11-20 12:04:13,986 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 12:04:13,988 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 12:04:13,990 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 12:04:13,990 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 12:04:13,994 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 12:04:13,995 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 12:04:13" (1/1) ... [2022-11-20 12:04:13,996 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@67c06e94 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:04:13, skipping insertion in model container [2022-11-20 12:04:13,997 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 12:04:13" (1/1) ... [2022-11-20 12:04:14,005 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 12:04:14,161 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 12:04:15,093 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea9022a7-01c1-49f9-ad74-f26cfb259851/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--ath--ath6kl--ath6kl_usb.ko-entry_point.cil.out.i[190557,190570] [2022-11-20 12:04:15,951 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 12:04:15,985 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-11-20 12:04:16,054 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 12:04:16,208 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea9022a7-01c1-49f9-ad74-f26cfb259851/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--ath--ath6kl--ath6kl_usb.ko-entry_point.cil.out.i[190557,190570] [2022-11-20 12:04:16,337 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 12:04:16,350 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 12:04:16,559 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea9022a7-01c1-49f9-ad74-f26cfb259851/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--ath--ath6kl--ath6kl_usb.ko-entry_point.cil.out.i[190557,190570] [2022-11-20 12:04:16,803 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 12:04:16,862 INFO L208 MainTranslator]: Completed translation [2022-11-20 12:04:16,863 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:04:16 WrapperNode [2022-11-20 12:04:16,863 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 12:04:16,864 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 12:04:16,864 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 12:04:16,864 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 12:04:16,872 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:04:16" (1/1) ... [2022-11-20 12:04:16,954 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:04:16" (1/1) ... [2022-11-20 12:04:17,064 INFO L138 Inliner]: procedures = 189, calls = 709, calls flagged for inlining = 71, calls inlined = 62, statements flattened = 1814 [2022-11-20 12:04:17,065 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 12:04:17,067 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 12:04:17,067 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 12:04:17,068 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 12:04:17,079 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:04:16" (1/1) ... [2022-11-20 12:04:17,079 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:04:16" (1/1) ... [2022-11-20 12:04:17,114 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:04:16" (1/1) ... [2022-11-20 12:04:17,114 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:04:16" (1/1) ... [2022-11-20 12:04:17,220 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:04:16" (1/1) ... [2022-11-20 12:04:17,229 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:04:16" (1/1) ... [2022-11-20 12:04:17,245 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:04:16" (1/1) ... [2022-11-20 12:04:17,253 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:04:16" (1/1) ... [2022-11-20 12:04:17,283 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 12:04:17,284 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 12:04:17,284 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 12:04:17,284 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 12:04:17,285 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:04:16" (1/1) ... [2022-11-20 12:04:17,291 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 12:04:17,304 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea9022a7-01c1-49f9-ad74-f26cfb259851/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:04:17,319 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea9022a7-01c1-49f9-ad74-f26cfb259851/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-20 12:04:17,389 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea9022a7-01c1-49f9-ad74-f26cfb259851/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-20 12:04:17,442 INFO L130 BoogieDeclarations]: Found specification of procedure ath6kl_usb_cleanup_scatter [2022-11-20 12:04:17,443 INFO L138 BoogieDeclarations]: Found implementation of procedure ath6kl_usb_cleanup_scatter [2022-11-20 12:04:17,443 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-11-20 12:04:17,443 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-11-20 12:04:17,443 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-11-20 12:04:17,444 INFO L130 BoogieDeclarations]: Found specification of procedure ath6kl_usb_submit_ctrl_out [2022-11-20 12:04:17,444 INFO L138 BoogieDeclarations]: Found implementation of procedure ath6kl_usb_submit_ctrl_out [2022-11-20 12:04:17,444 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2022-11-20 12:04:17,444 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2022-11-20 12:04:17,444 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2022-11-20 12:04:17,444 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2022-11-20 12:04:17,445 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-11-20 12:04:17,445 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-11-20 12:04:17,445 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-20 12:04:17,445 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-11-20 12:04:17,445 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-20 12:04:17,445 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-20 12:04:17,446 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-20 12:04:17,446 INFO L130 BoogieDeclarations]: Found specification of procedure usb_put_dev [2022-11-20 12:04:17,446 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_put_dev [2022-11-20 12:04:17,446 INFO L130 BoogieDeclarations]: Found specification of procedure ath6kl_usb_diag_write32 [2022-11-20 12:04:17,446 INFO L138 BoogieDeclarations]: Found implementation of procedure ath6kl_usb_diag_write32 [2022-11-20 12:04:17,446 INFO L130 BoogieDeclarations]: Found specification of procedure ath6kl_usb_destroy [2022-11-20 12:04:17,447 INFO L138 BoogieDeclarations]: Found implementation of procedure ath6kl_usb_destroy [2022-11-20 12:04:17,447 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free [2022-11-20 12:04:17,447 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free [2022-11-20 12:04:17,447 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2022-11-20 12:04:17,447 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2022-11-20 12:04:17,448 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-20 12:04:17,448 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-20 12:04:17,448 INFO L130 BoogieDeclarations]: Found specification of procedure ath6kl_usb_get_default_pipe [2022-11-20 12:04:17,448 INFO L138 BoogieDeclarations]: Found implementation of procedure ath6kl_usb_get_default_pipe [2022-11-20 12:04:17,448 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_alloc [2022-11-20 12:04:17,448 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_alloc [2022-11-20 12:04:17,449 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-20 12:04:17,449 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-20 12:04:17,449 INFO L130 BoogieDeclarations]: Found specification of procedure ath6kl_usb_power_off [2022-11-20 12:04:17,449 INFO L138 BoogieDeclarations]: Found implementation of procedure ath6kl_usb_power_off [2022-11-20 12:04:17,449 INFO L130 BoogieDeclarations]: Found specification of procedure ath6kl_usb_bmi_read [2022-11-20 12:04:17,449 INFO L138 BoogieDeclarations]: Found implementation of procedure ath6kl_usb_bmi_read [2022-11-20 12:04:17,450 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_bulk_urb [2022-11-20 12:04:17,450 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_bulk_urb [2022-11-20 12:04:17,450 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-11-20 12:04:17,458 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-11-20 12:04:17,458 INFO L130 BoogieDeclarations]: Found specification of procedure ath6kl_usb_stop [2022-11-20 12:04:17,458 INFO L138 BoogieDeclarations]: Found implementation of procedure ath6kl_usb_stop [2022-11-20 12:04:17,458 INFO L130 BoogieDeclarations]: Found specification of procedure ath6kl_usb_get_free_queue_number [2022-11-20 12:04:17,459 INFO L138 BoogieDeclarations]: Found implementation of procedure ath6kl_usb_get_free_queue_number [2022-11-20 12:04:17,459 INFO L130 BoogieDeclarations]: Found specification of procedure ath6kl_usb_free_urb_to_pipe [2022-11-20 12:04:17,459 INFO L138 BoogieDeclarations]: Found implementation of procedure ath6kl_usb_free_urb_to_pipe [2022-11-20 12:04:17,459 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2022-11-20 12:04:17,459 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2022-11-20 12:04:17,459 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-11-20 12:04:17,460 INFO L130 BoogieDeclarations]: Found specification of procedure ath6kl_usb_flush_all [2022-11-20 12:04:17,460 INFO L138 BoogieDeclarations]: Found implementation of procedure ath6kl_usb_flush_all [2022-11-20 12:04:17,460 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2022-11-20 12:04:17,460 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u16 [2022-11-20 12:04:17,460 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-20 12:04:17,461 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-20 12:04:17,461 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-20 12:04:17,461 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-20 12:04:17,461 INFO L130 BoogieDeclarations]: Found specification of procedure ath6kl_usb_ctrl_msg_exchange [2022-11-20 12:04:17,461 INFO L138 BoogieDeclarations]: Found implementation of procedure ath6kl_usb_ctrl_msg_exchange [2022-11-20 12:04:17,461 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-20 12:04:17,462 INFO L130 BoogieDeclarations]: Found specification of procedure ath6kl_usb_cleanup_recv_urb [2022-11-20 12:04:17,462 INFO L138 BoogieDeclarations]: Found implementation of procedure ath6kl_usb_cleanup_recv_urb [2022-11-20 12:04:17,462 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-11-20 12:04:17,462 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-11-20 12:04:17,462 INFO L130 BoogieDeclarations]: Found specification of procedure ath6kl_usb_submit_ctrl_in [2022-11-20 12:04:17,462 INFO L138 BoogieDeclarations]: Found implementation of procedure ath6kl_usb_submit_ctrl_in [2022-11-20 12:04:17,463 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 12:04:17,463 INFO L130 BoogieDeclarations]: Found specification of procedure ath6kl_usb_power_on [2022-11-20 12:04:17,463 INFO L138 BoogieDeclarations]: Found implementation of procedure ath6kl_usb_power_on [2022-11-20 12:04:17,463 INFO L130 BoogieDeclarations]: Found specification of procedure ath6kl_usb_priv [2022-11-20 12:04:17,463 INFO L138 BoogieDeclarations]: Found implementation of procedure ath6kl_usb_priv [2022-11-20 12:04:17,463 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 12:04:17,464 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-20 12:04:17,464 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-11-20 12:04:17,464 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-11-20 12:04:17,464 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2022-11-20 12:04:17,464 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2022-11-20 12:04:17,464 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2022-11-20 12:04:17,465 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-20 12:04:17,465 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2022-11-20 12:04:17,465 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2022-11-20 12:04:17,465 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_remove [2022-11-20 12:04:17,465 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_remove [2022-11-20 12:04:17,465 INFO L130 BoogieDeclarations]: Found specification of procedure ath6kl_usb_alloc_urb_from_pipe [2022-11-20 12:04:17,466 INFO L138 BoogieDeclarations]: Found implementation of procedure ath6kl_usb_alloc_urb_from_pipe [2022-11-20 12:04:17,466 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u32 [2022-11-20 12:04:17,466 INFO L130 BoogieDeclarations]: Found specification of procedure ath6kl_usb_remove [2022-11-20 12:04:17,466 INFO L138 BoogieDeclarations]: Found implementation of procedure ath6kl_usb_remove [2022-11-20 12:04:17,466 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2022-11-20 12:04:17,466 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2022-11-20 12:04:17,467 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-11-20 12:04:17,467 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-11-20 12:04:17,467 INFO L130 BoogieDeclarations]: Found specification of procedure usb_anchor_urb [2022-11-20 12:04:17,467 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_anchor_urb [2022-11-20 12:04:17,467 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2022-11-20 12:04:17,470 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-11-20 12:04:17,471 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-11-20 12:04:17,471 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 12:04:17,471 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-11-20 12:04:17,472 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-20 12:04:17,472 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-20 12:04:17,472 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-11-20 12:04:17,472 INFO L130 BoogieDeclarations]: Found specification of procedure ath6kl_usb_post_recv_transfers [2022-11-20 12:04:17,472 INFO L138 BoogieDeclarations]: Found implementation of procedure ath6kl_usb_post_recv_transfers [2022-11-20 12:04:17,472 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2022-11-20 12:04:17,473 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-11-20 12:04:17,473 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-11-20 12:04:17,473 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-11-20 12:04:17,474 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-11-20 12:04:17,474 INFO L130 BoogieDeclarations]: Found specification of procedure ath6kl_usb_map_service_pipe [2022-11-20 12:04:17,474 INFO L138 BoogieDeclarations]: Found implementation of procedure ath6kl_usb_map_service_pipe [2022-11-20 12:04:17,474 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2022-11-20 12:04:17,474 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2022-11-20 12:04:17,474 INFO L130 BoogieDeclarations]: Found specification of procedure usb_unanchor_urb [2022-11-20 12:04:17,474 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_unanchor_urb [2022-11-20 12:04:17,474 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2022-11-20 12:04:17,474 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2022-11-20 12:04:17,475 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2022-11-20 12:04:17,475 INFO L130 BoogieDeclarations]: Found specification of procedure ath6kl_usb_send [2022-11-20 12:04:17,475 INFO L138 BoogieDeclarations]: Found implementation of procedure ath6kl_usb_send [2022-11-20 12:04:17,475 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2022-11-20 12:04:17,475 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2022-11-20 12:04:17,475 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2022-11-20 12:04:17,475 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2022-11-20 12:04:17,475 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u8 [2022-11-20 12:04:17,475 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-11-20 12:04:17,476 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-11-20 12:04:17,476 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 12:04:17,476 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 12:04:18,262 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 12:04:18,265 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 12:04:18,605 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-20 12:04:37,828 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 12:04:37,843 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 12:04:37,843 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-11-20 12:04:37,846 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 12:04:37 BoogieIcfgContainer [2022-11-20 12:04:37,847 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 12:04:37,849 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-20 12:04:37,850 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-20 12:04:37,853 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-20 12:04:37,854 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 12:04:13" (1/3) ... [2022-11-20 12:04:37,855 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@12ecadd9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 12:04:37, skipping insertion in model container [2022-11-20 12:04:37,855 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:04:16" (2/3) ... [2022-11-20 12:04:37,855 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@12ecadd9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 12:04:37, skipping insertion in model container [2022-11-20 12:04:37,855 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 12:04:37" (3/3) ... [2022-11-20 12:04:37,857 INFO L112 eAbstractionObserver]: Analyzing ICFG 205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--ath--ath6kl--ath6kl_usb.ko-entry_point.cil.out.i [2022-11-20 12:04:37,880 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-20 12:04:37,880 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-20 12:04:37,953 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-20 12:04:37,960 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@4bf6c2d4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-20 12:04:37,960 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-20 12:04:37,968 INFO L276 IsEmpty]: Start isEmpty. Operand has 726 states, 517 states have (on average 1.3481624758220503) internal successors, (697), 531 states have internal predecessors, (697), 158 states have call successors, (158), 50 states have call predecessors, (158), 49 states have return successors, (154), 154 states have call predecessors, (154), 154 states have call successors, (154) [2022-11-20 12:04:37,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2022-11-20 12:04:37,984 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:04:37,984 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 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] [2022-11-20 12:04:37,985 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 12:04:37,990 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:04:37,991 INFO L85 PathProgramCache]: Analyzing trace with hash 480470574, now seen corresponding path program 1 times [2022-11-20 12:04:38,006 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 12:04:38,007 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1093107695] [2022-11-20 12:04:38,007 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:04:38,008 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 12:04:38,008 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea9022a7-01c1-49f9-ad74-f26cfb259851/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 12:04:38,015 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea9022a7-01c1-49f9-ad74-f26cfb259851/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 12:04:38,061 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea9022a7-01c1-49f9-ad74-f26cfb259851/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-11-20 12:04:38,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:04:38,938 INFO L263 TraceCheckSpWp]: Trace formula consists of 763 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-20 12:04:38,947 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:04:39,080 INFO L134 CoverageAnalysis]: Checked inductivity of 224 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2022-11-20 12:04:39,081 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 12:04:39,082 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 12:04:39,082 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1093107695] [2022-11-20 12:04:39,083 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1093107695] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:04:39,083 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:04:39,083 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-20 12:04:39,085 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1884270172] [2022-11-20 12:04:39,086 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:04:39,091 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-20 12:04:39,091 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 12:04:39,121 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 12:04:39,122 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-20 12:04:39,125 INFO L87 Difference]: Start difference. First operand has 726 states, 517 states have (on average 1.3481624758220503) internal successors, (697), 531 states have internal predecessors, (697), 158 states have call successors, (158), 50 states have call predecessors, (158), 49 states have return successors, (154), 154 states have call predecessors, (154), 154 states have call successors, (154) Second operand has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (14), 2 states have call predecessors, (14), 3 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-11-20 12:04:39,378 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:04:39,378 INFO L93 Difference]: Finished difference Result 1450 states and 2075 transitions. [2022-11-20 12:04:39,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-20 12:04:39,381 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (14), 2 states have call predecessors, (14), 3 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 96 [2022-11-20 12:04:39,382 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:04:39,397 INFO L225 Difference]: With dead ends: 1450 [2022-11-20 12:04:39,398 INFO L226 Difference]: Without dead ends: 716 [2022-11-20 12:04:39,407 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 93 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-20 12:04:39,410 INFO L413 NwaCegarLoop]: 997 mSDtfsCounter, 2 mSDsluCounter, 1988 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 2985 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-20 12:04:39,411 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 2985 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-20 12:04:39,430 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 716 states. [2022-11-20 12:04:39,533 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 716 to 716. [2022-11-20 12:04:39,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 716 states, 513 states have (on average 1.3255360623781676) internal successors, (680), 521 states have internal predecessors, (680), 154 states have call successors, (154), 49 states have call predecessors, (154), 48 states have return successors, (153), 153 states have call predecessors, (153), 153 states have call successors, (153) [2022-11-20 12:04:39,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 716 states to 716 states and 987 transitions. [2022-11-20 12:04:39,550 INFO L78 Accepts]: Start accepts. Automaton has 716 states and 987 transitions. Word has length 96 [2022-11-20 12:04:39,551 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 12:04:39,552 INFO L495 AbstractCegarLoop]: Abstraction has 716 states and 987 transitions. [2022-11-20 12:04:39,552 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (14), 2 states have call predecessors, (14), 3 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-11-20 12:04:39,552 INFO L276 IsEmpty]: Start isEmpty. Operand 716 states and 987 transitions. [2022-11-20 12:04:39,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2022-11-20 12:04:39,564 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:04:39,565 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 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] [2022-11-20 12:04:39,597 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea9022a7-01c1-49f9-ad74-f26cfb259851/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-11-20 12:04:39,783 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea9022a7-01c1-49f9-ad74-f26cfb259851/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 12:04:39,784 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 12:04:39,784 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:04:39,785 INFO L85 PathProgramCache]: Analyzing trace with hash -272364844, now seen corresponding path program 1 times [2022-11-20 12:04:39,786 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 12:04:39,786 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [485774775] [2022-11-20 12:04:39,786 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:04:39,786 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 12:04:39,786 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea9022a7-01c1-49f9-ad74-f26cfb259851/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 12:04:39,815 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea9022a7-01c1-49f9-ad74-f26cfb259851/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 12:04:39,834 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea9022a7-01c1-49f9-ad74-f26cfb259851/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-11-20 12:04:40,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:04:40,712 INFO L263 TraceCheckSpWp]: Trace formula consists of 785 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-20 12:04:40,717 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:04:40,849 INFO L134 CoverageAnalysis]: Checked inductivity of 229 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 221 trivial. 0 not checked. [2022-11-20 12:04:40,850 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 12:04:41,294 INFO L134 CoverageAnalysis]: Checked inductivity of 229 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 222 trivial. 0 not checked. [2022-11-20 12:04:41,294 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 12:04:41,296 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [485774775] [2022-11-20 12:04:41,296 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [485774775] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-20 12:04:41,296 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-20 12:04:41,296 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2022-11-20 12:04:41,296 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1457414048] [2022-11-20 12:04:41,297 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-20 12:04:41,299 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-20 12:04:41,300 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 12:04:41,301 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-20 12:04:41,302 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-20 12:04:41,302 INFO L87 Difference]: Start difference. First operand 716 states and 987 transitions. Second operand has 8 states, 8 states have (on average 6.125) internal successors, (49), 8 states have internal predecessors, (49), 2 states have call successors, (15), 2 states have call predecessors, (15), 4 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-11-20 12:04:41,916 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:04:41,917 INFO L93 Difference]: Finished difference Result 1416 states and 1959 transitions. [2022-11-20 12:04:41,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-20 12:04:41,918 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.125) internal successors, (49), 8 states have internal predecessors, (49), 2 states have call successors, (15), 2 states have call predecessors, (15), 4 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 98 [2022-11-20 12:04:41,919 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:04:41,924 INFO L225 Difference]: With dead ends: 1416 [2022-11-20 12:04:41,925 INFO L226 Difference]: Without dead ends: 725 [2022-11-20 12:04:41,928 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 198 GetRequests, 188 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=53, Invalid=79, Unknown=0, NotChecked=0, Total=132 [2022-11-20 12:04:41,929 INFO L413 NwaCegarLoop]: 982 mSDtfsCounter, 16 mSDsluCounter, 1961 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 2943 SdHoareTripleChecker+Invalid, 59 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-20 12:04:41,930 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 2943 Invalid, 59 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-20 12:04:41,932 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 725 states. [2022-11-20 12:04:41,960 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 725 to 725. [2022-11-20 12:04:41,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 725 states, 521 states have (on average 1.326295585412668) internal successors, (691), 529 states have internal predecessors, (691), 154 states have call successors, (154), 50 states have call predecessors, (154), 49 states have return successors, (153), 153 states have call predecessors, (153), 153 states have call successors, (153) [2022-11-20 12:04:41,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 725 states to 725 states and 998 transitions. [2022-11-20 12:04:41,969 INFO L78 Accepts]: Start accepts. Automaton has 725 states and 998 transitions. Word has length 98 [2022-11-20 12:04:41,972 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 12:04:41,972 INFO L495 AbstractCegarLoop]: Abstraction has 725 states and 998 transitions. [2022-11-20 12:04:41,972 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.125) internal successors, (49), 8 states have internal predecessors, (49), 2 states have call successors, (15), 2 states have call predecessors, (15), 4 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-11-20 12:04:41,973 INFO L276 IsEmpty]: Start isEmpty. Operand 725 states and 998 transitions. [2022-11-20 12:04:41,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2022-11-20 12:04:41,976 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:04:41,976 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 8, 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] [2022-11-20 12:04:41,995 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea9022a7-01c1-49f9-ad74-f26cfb259851/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-11-20 12:04:42,187 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea9022a7-01c1-49f9-ad74-f26cfb259851/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 12:04:42,187 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 12:04:42,188 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:04:42,188 INFO L85 PathProgramCache]: Analyzing trace with hash 2097019950, now seen corresponding path program 2 times [2022-11-20 12:04:42,189 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 12:04:42,189 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [243177548] [2022-11-20 12:04:42,189 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-20 12:04:42,189 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 12:04:42,189 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea9022a7-01c1-49f9-ad74-f26cfb259851/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 12:04:42,195 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea9022a7-01c1-49f9-ad74-f26cfb259851/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 12:04:42,196 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea9022a7-01c1-49f9-ad74-f26cfb259851/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-11-20 12:04:42,935 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-11-20 12:04:42,935 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-20 12:04:42,956 INFO L263 TraceCheckSpWp]: Trace formula consists of 550 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 12:04:42,962 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:04:43,035 INFO L134 CoverageAnalysis]: Checked inductivity of 268 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 268 trivial. 0 not checked. [2022-11-20 12:04:43,036 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 12:04:43,036 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 12:04:43,036 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [243177548] [2022-11-20 12:04:43,036 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [243177548] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:04:43,037 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:04:43,037 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 12:04:43,037 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1143184362] [2022-11-20 12:04:43,037 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:04:43,038 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 12:04:43,038 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 12:04:43,038 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 12:04:43,039 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 12:04:43,039 INFO L87 Difference]: Start difference. First operand 725 states and 998 transitions. Second operand has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2022-11-20 12:04:45,103 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 12:04:45,268 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:04:45,268 INFO L93 Difference]: Finished difference Result 2079 states and 2865 transitions. [2022-11-20 12:04:45,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 12:04:45,269 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 104 [2022-11-20 12:04:45,269 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:04:45,278 INFO L225 Difference]: With dead ends: 2079 [2022-11-20 12:04:45,278 INFO L226 Difference]: Without dead ends: 1392 [2022-11-20 12:04:45,281 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 102 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 12:04:45,282 INFO L413 NwaCegarLoop]: 1135 mSDtfsCounter, 921 mSDsluCounter, 965 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 921 SdHoareTripleChecker+Valid, 2100 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2022-11-20 12:04:45,282 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [921 Valid, 2100 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 11 Invalid, 1 Unknown, 0 Unchecked, 2.1s Time] [2022-11-20 12:04:45,285 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1392 states. [2022-11-20 12:04:45,356 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1392 to 1392. [2022-11-20 12:04:45,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1392 states, 1002 states have (on average 1.3313373253493015) internal successors, (1334), 1018 states have internal predecessors, (1334), 292 states have call successors, (292), 98 states have call predecessors, (292), 97 states have return successors, (291), 291 states have call predecessors, (291), 291 states have call successors, (291) [2022-11-20 12:04:45,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1392 states to 1392 states and 1917 transitions. [2022-11-20 12:04:45,367 INFO L78 Accepts]: Start accepts. Automaton has 1392 states and 1917 transitions. Word has length 104 [2022-11-20 12:04:45,370 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 12:04:45,370 INFO L495 AbstractCegarLoop]: Abstraction has 1392 states and 1917 transitions. [2022-11-20 12:04:45,370 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2022-11-20 12:04:45,371 INFO L276 IsEmpty]: Start isEmpty. Operand 1392 states and 1917 transitions. [2022-11-20 12:04:45,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-11-20 12:04:45,373 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:04:45,374 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 8, 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] [2022-11-20 12:04:45,389 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea9022a7-01c1-49f9-ad74-f26cfb259851/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-11-20 12:04:45,583 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea9022a7-01c1-49f9-ad74-f26cfb259851/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 12:04:45,583 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 12:04:45,583 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:04:45,584 INFO L85 PathProgramCache]: Analyzing trace with hash 766997817, now seen corresponding path program 1 times [2022-11-20 12:04:45,585 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 12:04:45,585 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [892009326] [2022-11-20 12:04:45,585 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:04:45,585 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 12:04:45,585 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea9022a7-01c1-49f9-ad74-f26cfb259851/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 12:04:45,586 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea9022a7-01c1-49f9-ad74-f26cfb259851/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 12:04:45,588 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea9022a7-01c1-49f9-ad74-f26cfb259851/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-11-20 12:04:46,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:04:46,477 INFO L263 TraceCheckSpWp]: Trace formula consists of 896 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-20 12:04:46,482 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:04:46,995 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 268 trivial. 0 not checked. [2022-11-20 12:04:46,995 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 12:04:46,995 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 12:04:46,995 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [892009326] [2022-11-20 12:04:46,996 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [892009326] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:04:46,996 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:04:46,996 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-20 12:04:46,996 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [635421455] [2022-11-20 12:04:46,996 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:04:46,997 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-20 12:04:46,997 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 12:04:46,997 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-20 12:04:46,998 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-20 12:04:46,998 INFO L87 Difference]: Start difference. First operand 1392 states and 1917 transitions. Second operand has 5 states, 5 states have (on average 9.2) internal successors, (46), 5 states have internal predecessors, (46), 3 states have call successors, (15), 3 states have call predecessors, (15), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-11-20 12:04:47,547 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:04:47,547 INFO L93 Difference]: Finished difference Result 4097 states and 5677 transitions. [2022-11-20 12:04:47,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-20 12:04:47,548 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.2) internal successors, (46), 5 states have internal predecessors, (46), 3 states have call successors, (15), 3 states have call predecessors, (15), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 115 [2022-11-20 12:04:47,548 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:04:47,564 INFO L225 Difference]: With dead ends: 4097 [2022-11-20 12:04:47,565 INFO L226 Difference]: Without dead ends: 2737 [2022-11-20 12:04:47,570 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 111 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-11-20 12:04:47,571 INFO L413 NwaCegarLoop]: 1138 mSDtfsCounter, 947 mSDsluCounter, 3218 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 947 SdHoareTripleChecker+Valid, 4356 SdHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-20 12:04:47,572 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [947 Valid, 4356 Invalid, 43 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-20 12:04:47,576 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2737 states. [2022-11-20 12:04:47,772 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2737 to 2729. [2022-11-20 12:04:47,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2729 states, 1965 states have (on average 1.332824427480916) internal successors, (2619), 1997 states have internal predecessors, (2619), 570 states have call successors, (570), 194 states have call predecessors, (570), 193 states have return successors, (589), 569 states have call predecessors, (589), 569 states have call successors, (589) [2022-11-20 12:04:47,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2729 states to 2729 states and 3778 transitions. [2022-11-20 12:04:47,793 INFO L78 Accepts]: Start accepts. Automaton has 2729 states and 3778 transitions. Word has length 115 [2022-11-20 12:04:47,794 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 12:04:47,794 INFO L495 AbstractCegarLoop]: Abstraction has 2729 states and 3778 transitions. [2022-11-20 12:04:47,794 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.2) internal successors, (46), 5 states have internal predecessors, (46), 3 states have call successors, (15), 3 states have call predecessors, (15), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-11-20 12:04:47,794 INFO L276 IsEmpty]: Start isEmpty. Operand 2729 states and 3778 transitions. [2022-11-20 12:04:47,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2022-11-20 12:04:47,804 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:04:47,805 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 8, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:04:47,829 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea9022a7-01c1-49f9-ad74-f26cfb259851/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2022-11-20 12:04:48,018 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea9022a7-01c1-49f9-ad74-f26cfb259851/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 12:04:48,019 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 12:04:48,019 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:04:48,020 INFO L85 PathProgramCache]: Analyzing trace with hash 791638845, now seen corresponding path program 1 times [2022-11-20 12:04:48,021 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 12:04:48,021 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2131291896] [2022-11-20 12:04:48,021 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:04:48,021 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 12:04:48,021 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea9022a7-01c1-49f9-ad74-f26cfb259851/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 12:04:48,023 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea9022a7-01c1-49f9-ad74-f26cfb259851/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 12:04:48,060 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea9022a7-01c1-49f9-ad74-f26cfb259851/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-11-20 12:04:49,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:04:49,236 INFO L263 TraceCheckSpWp]: Trace formula consists of 1371 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 12:04:49,243 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:04:49,296 INFO L134 CoverageAnalysis]: Checked inductivity of 410 backedges. 90 proven. 0 refuted. 0 times theorem prover too weak. 320 trivial. 0 not checked. [2022-11-20 12:04:49,296 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 12:04:49,296 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 12:04:49,296 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2131291896] [2022-11-20 12:04:49,297 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2131291896] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:04:49,297 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:04:49,297 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 12:04:49,297 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [3845495] [2022-11-20 12:04:49,298 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:04:49,298 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 12:04:49,299 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 12:04:49,299 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 12:04:49,299 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 12:04:49,300 INFO L87 Difference]: Start difference. First operand 2729 states and 3778 transitions. Second operand has 3 states, 3 states have (on average 37.0) internal successors, (111), 3 states have internal predecessors, (111), 2 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2022-11-20 12:04:49,767 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:04:49,768 INFO L93 Difference]: Finished difference Result 7189 states and 9900 transitions. [2022-11-20 12:04:49,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 12:04:49,768 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 37.0) internal successors, (111), 3 states have internal predecessors, (111), 2 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) Word has length 248 [2022-11-20 12:04:49,770 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:04:49,798 INFO L225 Difference]: With dead ends: 7189 [2022-11-20 12:04:49,798 INFO L226 Difference]: Without dead ends: 4498 [2022-11-20 12:04:49,808 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 247 GetRequests, 246 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 12:04:49,809 INFO L413 NwaCegarLoop]: 1083 mSDtfsCounter, 641 mSDsluCounter, 919 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 641 SdHoareTripleChecker+Valid, 2002 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-20 12:04:49,811 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [641 Valid, 2002 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-20 12:04:49,817 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4498 states. [2022-11-20 12:04:50,038 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4498 to 4487. [2022-11-20 12:04:50,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4487 states, 3215 states have (on average 1.3318818040435458) internal successors, (4282), 3263 states have internal predecessors, (4282), 922 states have call successors, (922), 350 states have call predecessors, (922), 349 states have return successors, (957), 921 states have call predecessors, (957), 921 states have call successors, (957) [2022-11-20 12:04:50,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4487 states to 4487 states and 6161 transitions. [2022-11-20 12:04:50,071 INFO L78 Accepts]: Start accepts. Automaton has 4487 states and 6161 transitions. Word has length 248 [2022-11-20 12:04:50,072 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 12:04:50,072 INFO L495 AbstractCegarLoop]: Abstraction has 4487 states and 6161 transitions. [2022-11-20 12:04:50,073 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 37.0) internal successors, (111), 3 states have internal predecessors, (111), 2 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2022-11-20 12:04:50,073 INFO L276 IsEmpty]: Start isEmpty. Operand 4487 states and 6161 transitions. [2022-11-20 12:04:50,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 230 [2022-11-20 12:04:50,088 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:04:50,088 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:04:50,125 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea9022a7-01c1-49f9-ad74-f26cfb259851/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2022-11-20 12:04:50,303 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea9022a7-01c1-49f9-ad74-f26cfb259851/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 12:04:50,303 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 12:04:50,303 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:04:50,303 INFO L85 PathProgramCache]: Analyzing trace with hash -1936972074, now seen corresponding path program 1 times [2022-11-20 12:04:50,304 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 12:04:50,304 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [857874671] [2022-11-20 12:04:50,305 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:04:50,305 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 12:04:50,305 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea9022a7-01c1-49f9-ad74-f26cfb259851/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 12:04:50,306 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea9022a7-01c1-49f9-ad74-f26cfb259851/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 12:04:50,307 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea9022a7-01c1-49f9-ad74-f26cfb259851/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2022-11-20 12:04:51,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:04:51,431 INFO L263 TraceCheckSpWp]: Trace formula consists of 1322 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 12:04:51,438 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:04:51,506 INFO L134 CoverageAnalysis]: Checked inductivity of 373 backedges. 91 proven. 0 refuted. 0 times theorem prover too weak. 282 trivial. 0 not checked. [2022-11-20 12:04:51,507 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 12:04:51,507 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 12:04:51,507 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [857874671] [2022-11-20 12:04:51,507 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [857874671] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:04:51,508 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:04:51,508 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 12:04:51,508 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1639647133] [2022-11-20 12:04:51,508 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:04:51,509 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 12:04:51,509 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 12:04:51,510 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 12:04:51,510 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 12:04:51,510 INFO L87 Difference]: Start difference. First operand 4487 states and 6161 transitions. Second operand has 3 states, 3 states have (on average 39.333333333333336) internal successors, (118), 3 states have internal predecessors, (118), 2 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2022-11-20 12:04:52,410 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:04:52,410 INFO L93 Difference]: Finished difference Result 10606 states and 14478 transitions. [2022-11-20 12:04:52,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 12:04:52,411 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 39.333333333333336) internal successors, (118), 3 states have internal predecessors, (118), 2 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) Word has length 229 [2022-11-20 12:04:52,411 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:04:52,448 INFO L225 Difference]: With dead ends: 10606 [2022-11-20 12:04:52,449 INFO L226 Difference]: Without dead ends: 6155 [2022-11-20 12:04:52,466 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 228 GetRequests, 227 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 12:04:52,467 INFO L413 NwaCegarLoop]: 1253 mSDtfsCounter, 575 mSDsluCounter, 838 mSDsCounter, 0 mSdLazyCounter, 105 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 575 SdHoareTripleChecker+Valid, 2091 SdHoareTripleChecker+Invalid, 107 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 105 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-11-20 12:04:52,468 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [575 Valid, 2091 Invalid, 107 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 105 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-11-20 12:04:52,475 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6155 states. [2022-11-20 12:04:52,967 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6155 to 6146. [2022-11-20 12:04:52,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6146 states, 4441 states have (on average 1.3199729790587706) internal successors, (5862), 4517 states have internal predecessors, (5862), 1221 states have call successors, (1221), 484 states have call predecessors, (1221), 483 states have return successors, (1268), 1220 states have call predecessors, (1268), 1220 states have call successors, (1268) [2022-11-20 12:04:53,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6146 states to 6146 states and 8351 transitions. [2022-11-20 12:04:53,016 INFO L78 Accepts]: Start accepts. Automaton has 6146 states and 8351 transitions. Word has length 229 [2022-11-20 12:04:53,017 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 12:04:53,017 INFO L495 AbstractCegarLoop]: Abstraction has 6146 states and 8351 transitions. [2022-11-20 12:04:53,017 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 39.333333333333336) internal successors, (118), 3 states have internal predecessors, (118), 2 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2022-11-20 12:04:53,017 INFO L276 IsEmpty]: Start isEmpty. Operand 6146 states and 8351 transitions. [2022-11-20 12:04:53,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 264 [2022-11-20 12:04:53,038 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:04:53,038 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 8, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:04:53,079 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea9022a7-01c1-49f9-ad74-f26cfb259851/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2022-11-20 12:04:53,255 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea9022a7-01c1-49f9-ad74-f26cfb259851/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 12:04:53,255 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 12:04:53,255 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:04:53,256 INFO L85 PathProgramCache]: Analyzing trace with hash -480104918, now seen corresponding path program 1 times [2022-11-20 12:04:53,257 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 12:04:53,257 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [405022499] [2022-11-20 12:04:53,257 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:04:53,258 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 12:04:53,258 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea9022a7-01c1-49f9-ad74-f26cfb259851/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 12:04:53,259 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea9022a7-01c1-49f9-ad74-f26cfb259851/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 12:04:53,283 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea9022a7-01c1-49f9-ad74-f26cfb259851/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2022-11-20 12:04:54,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:04:54,447 INFO L263 TraceCheckSpWp]: Trace formula consists of 1397 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-20 12:04:54,486 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:04:54,617 INFO L134 CoverageAnalysis]: Checked inductivity of 469 backedges. 107 proven. 0 refuted. 0 times theorem prover too weak. 362 trivial. 0 not checked. [2022-11-20 12:04:54,618 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 12:04:54,618 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 12:04:54,618 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [405022499] [2022-11-20 12:04:54,619 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [405022499] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:04:54,619 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:04:54,619 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-20 12:04:54,619 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [396553495] [2022-11-20 12:04:54,619 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:04:54,620 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-20 12:04:54,620 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 12:04:54,621 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 12:04:54,621 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-20 12:04:54,622 INFO L87 Difference]: Start difference. First operand 6146 states and 8351 transitions. Second operand has 4 states, 4 states have (on average 30.75) internal successors, (123), 4 states have internal predecessors, (123), 3 states have call successors, (32), 3 states have call predecessors, (32), 3 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) [2022-11-20 12:04:56,711 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 12:04:57,032 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:04:57,032 INFO L93 Difference]: Finished difference Result 9304 states and 12633 transitions. [2022-11-20 12:04:57,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-20 12:04:57,033 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 30.75) internal successors, (123), 4 states have internal predecessors, (123), 3 states have call successors, (32), 3 states have call predecessors, (32), 3 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) Word has length 263 [2022-11-20 12:04:57,034 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:04:57,053 INFO L225 Difference]: With dead ends: 9304 [2022-11-20 12:04:57,053 INFO L226 Difference]: Without dead ends: 3199 [2022-11-20 12:04:57,075 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 263 GetRequests, 260 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-20 12:04:57,076 INFO L413 NwaCegarLoop]: 988 mSDtfsCounter, 17 mSDsluCounter, 1966 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 4 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 2954 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2022-11-20 12:04:57,076 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 2954 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 10 Invalid, 1 Unknown, 0 Unchecked, 2.2s Time] [2022-11-20 12:04:57,081 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3199 states. [2022-11-20 12:04:57,231 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3199 to 3146. [2022-11-20 12:04:57,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3146 states, 2277 states have (on average 1.318840579710145) internal successors, (3003), 2315 states have internal predecessors, (3003), 621 states have call successors, (621), 248 states have call predecessors, (621), 247 states have return successors, (644), 620 states have call predecessors, (644), 620 states have call successors, (644) [2022-11-20 12:04:57,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3146 states to 3146 states and 4268 transitions. [2022-11-20 12:04:57,256 INFO L78 Accepts]: Start accepts. Automaton has 3146 states and 4268 transitions. Word has length 263 [2022-11-20 12:04:57,256 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 12:04:57,256 INFO L495 AbstractCegarLoop]: Abstraction has 3146 states and 4268 transitions. [2022-11-20 12:04:57,257 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 30.75) internal successors, (123), 4 states have internal predecessors, (123), 3 states have call successors, (32), 3 states have call predecessors, (32), 3 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) [2022-11-20 12:04:57,257 INFO L276 IsEmpty]: Start isEmpty. Operand 3146 states and 4268 transitions. [2022-11-20 12:04:57,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 264 [2022-11-20 12:04:57,272 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:04:57,273 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 8, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:04:57,314 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea9022a7-01c1-49f9-ad74-f26cfb259851/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2022-11-20 12:04:57,500 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea9022a7-01c1-49f9-ad74-f26cfb259851/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 12:04:57,501 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 12:04:57,501 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:04:57,501 INFO L85 PathProgramCache]: Analyzing trace with hash -135276756, now seen corresponding path program 1 times [2022-11-20 12:04:57,503 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 12:04:57,503 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [156739078] [2022-11-20 12:04:57,503 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:04:57,503 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 12:04:57,503 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea9022a7-01c1-49f9-ad74-f26cfb259851/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 12:04:57,504 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea9022a7-01c1-49f9-ad74-f26cfb259851/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 12:04:57,517 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea9022a7-01c1-49f9-ad74-f26cfb259851/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2022-11-20 12:04:58,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:04:58,681 INFO L263 TraceCheckSpWp]: Trace formula consists of 1397 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 12:04:58,685 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:04:58,941 INFO L134 CoverageAnalysis]: Checked inductivity of 469 backedges. 149 proven. 0 refuted. 0 times theorem prover too weak. 320 trivial. 0 not checked. [2022-11-20 12:04:58,941 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 12:04:58,942 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 12:04:58,942 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [156739078] [2022-11-20 12:04:58,942 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [156739078] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:04:58,942 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:04:58,943 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 12:04:58,943 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2096888232] [2022-11-20 12:04:58,943 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:04:58,944 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 12:04:58,944 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 12:04:58,945 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 12:04:58,945 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 12:04:58,945 INFO L87 Difference]: Start difference. First operand 3146 states and 4268 transitions. Second operand has 3 states, 3 states have (on average 41.333333333333336) internal successors, (124), 3 states have internal predecessors, (124), 3 states have call successors, (32), 3 states have call predecessors, (32), 3 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) [2022-11-20 12:05:01,033 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 12:05:01,438 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:05:01,438 INFO L93 Difference]: Finished difference Result 7439 states and 10074 transitions. [2022-11-20 12:05:01,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 12:05:01,449 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 41.333333333333336) internal successors, (124), 3 states have internal predecessors, (124), 3 states have call successors, (32), 3 states have call predecessors, (32), 3 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) Word has length 263 [2022-11-20 12:05:01,458 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:05:01,485 INFO L225 Difference]: With dead ends: 7439 [2022-11-20 12:05:01,485 INFO L226 Difference]: Without dead ends: 4357 [2022-11-20 12:05:01,498 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 262 GetRequests, 261 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 12:05:01,499 INFO L413 NwaCegarLoop]: 1182 mSDtfsCounter, 844 mSDsluCounter, 751 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 9 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 844 SdHoareTripleChecker+Valid, 1933 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-11-20 12:05:01,499 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [844 Valid, 1933 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 26 Invalid, 1 Unknown, 0 Unchecked, 2.3s Time] [2022-11-20 12:05:01,507 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4357 states. [2022-11-20 12:05:01,745 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4357 to 4348. [2022-11-20 12:05:01,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4348 states, 3149 states have (on average 1.315655763734519) internal successors, (4143), 3199 states have internal predecessors, (4143), 839 states have call successors, (839), 360 states have call predecessors, (839), 359 states have return successors, (870), 838 states have call predecessors, (870), 838 states have call successors, (870) [2022-11-20 12:05:01,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4348 states to 4348 states and 5852 transitions. [2022-11-20 12:05:01,775 INFO L78 Accepts]: Start accepts. Automaton has 4348 states and 5852 transitions. Word has length 263 [2022-11-20 12:05:01,776 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 12:05:01,776 INFO L495 AbstractCegarLoop]: Abstraction has 4348 states and 5852 transitions. [2022-11-20 12:05:01,776 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 41.333333333333336) internal successors, (124), 3 states have internal predecessors, (124), 3 states have call successors, (32), 3 states have call predecessors, (32), 3 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) [2022-11-20 12:05:01,777 INFO L276 IsEmpty]: Start isEmpty. Operand 4348 states and 5852 transitions. [2022-11-20 12:05:01,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2022-11-20 12:05:01,791 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:05:01,791 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 8, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:05:01,837 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea9022a7-01c1-49f9-ad74-f26cfb259851/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2022-11-20 12:05:02,007 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea9022a7-01c1-49f9-ad74-f26cfb259851/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 12:05:02,007 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 12:05:02,007 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:05:02,008 INFO L85 PathProgramCache]: Analyzing trace with hash -2094087351, now seen corresponding path program 1 times [2022-11-20 12:05:02,008 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 12:05:02,008 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [170273253] [2022-11-20 12:05:02,009 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:05:02,009 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 12:05:02,009 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea9022a7-01c1-49f9-ad74-f26cfb259851/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 12:05:02,010 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea9022a7-01c1-49f9-ad74-f26cfb259851/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 12:05:02,011 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea9022a7-01c1-49f9-ad74-f26cfb259851/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2022-11-20 12:05:03,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:05:03,179 INFO L263 TraceCheckSpWp]: Trace formula consists of 1348 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 12:05:03,194 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:05:03,398 INFO L134 CoverageAnalysis]: Checked inductivity of 433 backedges. 111 proven. 0 refuted. 0 times theorem prover too weak. 322 trivial. 0 not checked. [2022-11-20 12:05:03,398 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 12:05:03,398 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 12:05:03,399 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [170273253] [2022-11-20 12:05:03,399 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [170273253] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:05:03,399 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:05:03,399 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 12:05:03,400 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2124040386] [2022-11-20 12:05:03,400 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:05:03,401 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 12:05:03,401 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 12:05:03,401 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 12:05:03,402 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 12:05:03,402 INFO L87 Difference]: Start difference. First operand 4348 states and 5852 transitions. Second operand has 3 states, 3 states have (on average 43.666666666666664) internal successors, (131), 3 states have internal predecessors, (131), 3 states have call successors, (32), 3 states have call predecessors, (32), 3 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) [2022-11-20 12:05:05,496 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 12:05:06,557 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:05:06,557 INFO L93 Difference]: Finished difference Result 11380 states and 15311 transitions. [2022-11-20 12:05:06,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 12:05:06,558 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 43.666666666666664) internal successors, (131), 3 states have internal predecessors, (131), 3 states have call successors, (32), 3 states have call predecessors, (32), 3 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) Word has length 244 [2022-11-20 12:05:06,559 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:05:06,620 INFO L225 Difference]: With dead ends: 11380 [2022-11-20 12:05:06,620 INFO L226 Difference]: Without dead ends: 7096 [2022-11-20 12:05:06,632 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 243 GetRequests, 242 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 12:05:06,635 INFO L413 NwaCegarLoop]: 1445 mSDtfsCounter, 788 mSDsluCounter, 856 mSDsCounter, 0 mSdLazyCounter, 119 mSolverCounterSat, 55 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 788 SdHoareTripleChecker+Valid, 2301 SdHoareTripleChecker+Invalid, 175 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 55 IncrementalHoareTripleChecker+Valid, 119 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2022-11-20 12:05:06,635 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [788 Valid, 2301 Invalid, 175 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [55 Valid, 119 Invalid, 1 Unknown, 0 Unchecked, 2.8s Time] [2022-11-20 12:05:06,643 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7096 states. [2022-11-20 12:05:06,943 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7096 to 7046. [2022-11-20 12:05:06,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7046 states, 5155 states have (on average 1.2950533462657614) internal successors, (6676), 5239 states have internal predecessors, (6676), 1277 states have call successors, (1277), 614 states have call predecessors, (1277), 613 states have return successors, (1325), 1276 states have call predecessors, (1325), 1276 states have call successors, (1325) [2022-11-20 12:05:06,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7046 states to 7046 states and 9278 transitions. [2022-11-20 12:05:06,983 INFO L78 Accepts]: Start accepts. Automaton has 7046 states and 9278 transitions. Word has length 244 [2022-11-20 12:05:06,984 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 12:05:06,984 INFO L495 AbstractCegarLoop]: Abstraction has 7046 states and 9278 transitions. [2022-11-20 12:05:06,984 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 43.666666666666664) internal successors, (131), 3 states have internal predecessors, (131), 3 states have call successors, (32), 3 states have call predecessors, (32), 3 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) [2022-11-20 12:05:06,985 INFO L276 IsEmpty]: Start isEmpty. Operand 7046 states and 9278 transitions. [2022-11-20 12:05:07,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2022-11-20 12:05:07,001 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:05:07,001 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 8, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:05:07,033 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea9022a7-01c1-49f9-ad74-f26cfb259851/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2022-11-20 12:05:07,215 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea9022a7-01c1-49f9-ad74-f26cfb259851/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 12:05:07,215 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 12:05:07,215 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:05:07,215 INFO L85 PathProgramCache]: Analyzing trace with hash 984464193, now seen corresponding path program 1 times [2022-11-20 12:05:07,216 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 12:05:07,216 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1742995140] [2022-11-20 12:05:07,217 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:05:07,217 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 12:05:07,217 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea9022a7-01c1-49f9-ad74-f26cfb259851/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 12:05:07,218 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea9022a7-01c1-49f9-ad74-f26cfb259851/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 12:05:07,219 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea9022a7-01c1-49f9-ad74-f26cfb259851/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2022-11-20 12:05:08,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:05:08,403 INFO L263 TraceCheckSpWp]: Trace formula consists of 1348 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-20 12:05:08,412 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:05:08,965 INFO L134 CoverageAnalysis]: Checked inductivity of 433 backedges. 70 proven. 0 refuted. 0 times theorem prover too weak. 363 trivial. 0 not checked. [2022-11-20 12:05:08,965 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 12:05:08,966 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 12:05:08,966 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1742995140] [2022-11-20 12:05:08,966 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1742995140] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:05:08,967 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:05:08,967 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-20 12:05:08,967 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1649786517] [2022-11-20 12:05:08,967 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:05:08,968 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-20 12:05:08,969 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 12:05:08,969 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-20 12:05:08,970 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-20 12:05:08,970 INFO L87 Difference]: Start difference. First operand 7046 states and 9278 transitions. Second operand has 6 states, 6 states have (on average 22.166666666666668) internal successors, (133), 5 states have internal predecessors, (133), 3 states have call successors, (32), 2 states have call predecessors, (32), 3 states have return successors, (31), 4 states have call predecessors, (31), 3 states have call successors, (31) [2022-11-20 12:05:09,571 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:05:09,571 INFO L93 Difference]: Finished difference Result 14164 states and 18747 transitions. [2022-11-20 12:05:09,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-20 12:05:09,572 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 22.166666666666668) internal successors, (133), 5 states have internal predecessors, (133), 3 states have call successors, (32), 2 states have call predecessors, (32), 3 states have return successors, (31), 4 states have call predecessors, (31), 3 states have call successors, (31) Word has length 244 [2022-11-20 12:05:09,573 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:05:09,610 INFO L225 Difference]: With dead ends: 14164 [2022-11-20 12:05:09,610 INFO L226 Difference]: Without dead ends: 7182 [2022-11-20 12:05:09,635 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 244 GetRequests, 239 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-11-20 12:05:09,636 INFO L413 NwaCegarLoop]: 985 mSDtfsCounter, 4 mSDsluCounter, 3922 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 4907 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-20 12:05:09,637 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 4907 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-20 12:05:09,646 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7182 states. [2022-11-20 12:05:10,057 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7182 to 7144. [2022-11-20 12:05:10,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7144 states, 5225 states have (on average 1.2911004784688995) internal successors, (6746), 5309 states have internal predecessors, (6746), 1291 states have call successors, (1291), 614 states have call predecessors, (1291), 627 states have return successors, (1375), 1304 states have call predecessors, (1375), 1290 states have call successors, (1375) [2022-11-20 12:05:10,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7144 states to 7144 states and 9412 transitions. [2022-11-20 12:05:10,101 INFO L78 Accepts]: Start accepts. Automaton has 7144 states and 9412 transitions. Word has length 244 [2022-11-20 12:05:10,102 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 12:05:10,102 INFO L495 AbstractCegarLoop]: Abstraction has 7144 states and 9412 transitions. [2022-11-20 12:05:10,102 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 22.166666666666668) internal successors, (133), 5 states have internal predecessors, (133), 3 states have call successors, (32), 2 states have call predecessors, (32), 3 states have return successors, (31), 4 states have call predecessors, (31), 3 states have call successors, (31) [2022-11-20 12:05:10,102 INFO L276 IsEmpty]: Start isEmpty. Operand 7144 states and 9412 transitions. [2022-11-20 12:05:10,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 246 [2022-11-20 12:05:10,119 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:05:10,119 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 8, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:05:10,152 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea9022a7-01c1-49f9-ad74-f26cfb259851/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2022-11-20 12:05:10,335 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea9022a7-01c1-49f9-ad74-f26cfb259851/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 12:05:10,335 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 12:05:10,335 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:05:10,336 INFO L85 PathProgramCache]: Analyzing trace with hash -427030451, now seen corresponding path program 1 times [2022-11-20 12:05:10,336 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 12:05:10,337 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [568902422] [2022-11-20 12:05:10,337 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:05:10,337 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 12:05:10,337 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea9022a7-01c1-49f9-ad74-f26cfb259851/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 12:05:10,338 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea9022a7-01c1-49f9-ad74-f26cfb259851/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 12:05:10,362 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea9022a7-01c1-49f9-ad74-f26cfb259851/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2022-11-20 12:05:11,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:05:11,621 INFO L263 TraceCheckSpWp]: Trace formula consists of 1374 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 12:05:11,628 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:05:11,688 INFO L134 CoverageAnalysis]: Checked inductivity of 433 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 415 trivial. 0 not checked. [2022-11-20 12:05:11,688 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 12:05:11,689 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 12:05:11,689 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [568902422] [2022-11-20 12:05:11,689 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [568902422] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:05:11,689 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:05:11,689 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 12:05:11,689 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1393733054] [2022-11-20 12:05:11,689 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:05:11,690 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 12:05:11,690 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 12:05:11,692 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 12:05:11,692 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 12:05:11,692 INFO L87 Difference]: Start difference. First operand 7144 states and 9412 transitions. Second operand has 3 states, 3 states have (on average 43.666666666666664) internal successors, (131), 3 states have internal predecessors, (131), 2 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2022-11-20 12:05:12,038 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:05:12,039 INFO L93 Difference]: Finished difference Result 10732 states and 14211 transitions. [2022-11-20 12:05:12,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 12:05:12,039 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 43.666666666666664) internal successors, (131), 3 states have internal predecessors, (131), 2 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) Word has length 245 [2022-11-20 12:05:12,040 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:05:12,071 INFO L225 Difference]: With dead ends: 10732 [2022-11-20 12:05:12,072 INFO L226 Difference]: Without dead ends: 7172 [2022-11-20 12:05:12,087 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 244 GetRequests, 243 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 12:05:12,088 INFO L413 NwaCegarLoop]: 985 mSDtfsCounter, 5 mSDsluCounter, 977 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 1962 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 12:05:12,088 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 1962 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 12:05:12,097 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7172 states. [2022-11-20 12:05:12,490 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7172 to 7172. [2022-11-20 12:05:12,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7172 states, 5246 states have (on average 1.2899351887152115) internal successors, (6767), 5337 states have internal predecessors, (6767), 1291 states have call successors, (1291), 614 states have call predecessors, (1291), 634 states have return successors, (1382), 1304 states have call predecessors, (1382), 1290 states have call successors, (1382) [2022-11-20 12:05:12,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7172 states to 7172 states and 9440 transitions. [2022-11-20 12:05:12,529 INFO L78 Accepts]: Start accepts. Automaton has 7172 states and 9440 transitions. Word has length 245 [2022-11-20 12:05:12,530 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 12:05:12,530 INFO L495 AbstractCegarLoop]: Abstraction has 7172 states and 9440 transitions. [2022-11-20 12:05:12,530 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 43.666666666666664) internal successors, (131), 3 states have internal predecessors, (131), 2 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2022-11-20 12:05:12,531 INFO L276 IsEmpty]: Start isEmpty. Operand 7172 states and 9440 transitions. [2022-11-20 12:05:12,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 248 [2022-11-20 12:05:12,548 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:05:12,548 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 8, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:05:12,585 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea9022a7-01c1-49f9-ad74-f26cfb259851/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (12)] Forceful destruction successful, exit code 0 [2022-11-20 12:05:12,775 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea9022a7-01c1-49f9-ad74-f26cfb259851/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 12:05:12,775 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 12:05:12,775 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:05:12,776 INFO L85 PathProgramCache]: Analyzing trace with hash -1324899410, now seen corresponding path program 1 times [2022-11-20 12:05:12,777 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 12:05:12,777 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2076941254] [2022-11-20 12:05:12,777 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:05:12,777 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 12:05:12,778 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea9022a7-01c1-49f9-ad74-f26cfb259851/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 12:05:12,779 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea9022a7-01c1-49f9-ad74-f26cfb259851/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 12:05:12,824 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea9022a7-01c1-49f9-ad74-f26cfb259851/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2022-11-20 12:05:14,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:05:14,074 INFO L263 TraceCheckSpWp]: Trace formula consists of 1378 conjuncts, 15 conjunts are in the unsatisfiable core [2022-11-20 12:05:14,082 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:05:15,325 INFO L134 CoverageAnalysis]: Checked inductivity of 433 backedges. 96 proven. 8 refuted. 0 times theorem prover too weak. 329 trivial. 0 not checked. [2022-11-20 12:05:15,325 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 12:05:18,156 INFO L134 CoverageAnalysis]: Checked inductivity of 433 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 425 trivial. 0 not checked. [2022-11-20 12:05:18,156 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 12:05:18,157 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2076941254] [2022-11-20 12:05:18,157 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2076941254] provided 1 perfect and 1 imperfect interpolant sequences [2022-11-20 12:05:18,157 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-20 12:05:18,157 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 9 [2022-11-20 12:05:18,157 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1474579300] [2022-11-20 12:05:18,158 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:05:18,158 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-20 12:05:18,159 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 12:05:18,159 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-20 12:05:18,159 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2022-11-20 12:05:18,159 INFO L87 Difference]: Start difference. First operand 7172 states and 9440 transitions. Second operand has 6 states, 6 states have (on average 21.0) internal successors, (126), 6 states have internal predecessors, (126), 5 states have call successors, (32), 3 states have call predecessors, (32), 3 states have return successors, (31), 5 states have call predecessors, (31), 4 states have call successors, (31) [2022-11-20 12:05:20,234 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 12:05:22,775 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.41s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 12:05:24,847 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 12:05:26,854 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 12:05:30,161 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 12:05:32,147 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.99s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 12:05:35,923 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 12:05:40,543 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 12:05:43,893 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:05:43,893 INFO L93 Difference]: Finished difference Result 14877 states and 19759 transitions. [2022-11-20 12:05:43,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-20 12:05:43,894 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 21.0) internal successors, (126), 6 states have internal predecessors, (126), 5 states have call successors, (32), 3 states have call predecessors, (32), 3 states have return successors, (31), 5 states have call predecessors, (31), 4 states have call successors, (31) Word has length 247 [2022-11-20 12:05:43,895 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:05:43,933 INFO L225 Difference]: With dead ends: 14877 [2022-11-20 12:05:43,933 INFO L226 Difference]: Without dead ends: 7685 [2022-11-20 12:05:44,010 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 495 GetRequests, 485 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=44, Invalid=88, Unknown=0, NotChecked=0, Total=132 [2022-11-20 12:05:44,011 INFO L413 NwaCegarLoop]: 1111 mSDtfsCounter, 1999 mSDsluCounter, 997 mSDsCounter, 0 mSdLazyCounter, 1302 mSolverCounterSat, 426 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 24.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2070 SdHoareTripleChecker+Valid, 2108 SdHoareTripleChecker+Invalid, 1734 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 426 IncrementalHoareTripleChecker+Valid, 1302 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 25.0s IncrementalHoareTripleChecker+Time [2022-11-20 12:05:44,011 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2070 Valid, 2108 Invalid, 1734 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [426 Valid, 1302 Invalid, 6 Unknown, 0 Unchecked, 25.0s Time] [2022-11-20 12:05:44,023 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7685 states. [2022-11-20 12:05:44,394 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7685 to 7502. [2022-11-20 12:05:44,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7502 states, 5437 states have (on average 1.2872907853595732) internal successors, (6999), 5549 states have internal predecessors, (6999), 1410 states have call successors, (1410), 614 states have call predecessors, (1410), 654 states have return successors, (1550), 1436 states have call predecessors, (1550), 1409 states have call successors, (1550) [2022-11-20 12:05:44,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7502 states to 7502 states and 9959 transitions. [2022-11-20 12:05:44,429 INFO L78 Accepts]: Start accepts. Automaton has 7502 states and 9959 transitions. Word has length 247 [2022-11-20 12:05:44,430 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 12:05:44,430 INFO L495 AbstractCegarLoop]: Abstraction has 7502 states and 9959 transitions. [2022-11-20 12:05:44,430 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 21.0) internal successors, (126), 6 states have internal predecessors, (126), 5 states have call successors, (32), 3 states have call predecessors, (32), 3 states have return successors, (31), 5 states have call predecessors, (31), 4 states have call successors, (31) [2022-11-20 12:05:44,431 INFO L276 IsEmpty]: Start isEmpty. Operand 7502 states and 9959 transitions. [2022-11-20 12:05:44,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2022-11-20 12:05:44,445 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:05:44,445 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 8, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:05:44,477 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea9022a7-01c1-49f9-ad74-f26cfb259851/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (13)] Forceful destruction successful, exit code 0 [2022-11-20 12:05:44,668 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea9022a7-01c1-49f9-ad74-f26cfb259851/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 12:05:44,668 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 12:05:44,668 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:05:44,669 INFO L85 PathProgramCache]: Analyzing trace with hash 1465877531, now seen corresponding path program 1 times [2022-11-20 12:05:44,670 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 12:05:44,670 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1223206146] [2022-11-20 12:05:44,670 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:05:44,670 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 12:05:44,670 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea9022a7-01c1-49f9-ad74-f26cfb259851/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 12:05:44,671 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea9022a7-01c1-49f9-ad74-f26cfb259851/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 12:05:44,681 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea9022a7-01c1-49f9-ad74-f26cfb259851/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (14)] Waiting until timeout for monitored process [2022-11-20 12:05:45,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:05:46,022 INFO L263 TraceCheckSpWp]: Trace formula consists of 1391 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-20 12:05:46,029 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:05:46,228 INFO L134 CoverageAnalysis]: Checked inductivity of 433 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 389 trivial. 0 not checked. [2022-11-20 12:05:46,229 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 12:05:46,229 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 12:05:46,229 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1223206146] [2022-11-20 12:05:46,229 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1223206146] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:05:46,230 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:05:46,230 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-20 12:05:46,230 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [391509277] [2022-11-20 12:05:46,230 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:05:46,231 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-20 12:05:46,231 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 12:05:46,232 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-20 12:05:46,232 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-20 12:05:46,233 INFO L87 Difference]: Start difference. First operand 7502 states and 9959 transitions. Second operand has 5 states, 5 states have (on average 26.8) internal successors, (134), 4 states have internal predecessors, (134), 2 states have call successors, (32), 2 states have call predecessors, (32), 3 states have return successors, (31), 3 states have call predecessors, (31), 2 states have call successors, (31) [2022-11-20 12:05:46,750 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:05:46,751 INFO L93 Difference]: Finished difference Result 15030 states and 20127 transitions. [2022-11-20 12:05:46,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-20 12:05:46,751 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 26.8) internal successors, (134), 4 states have internal predecessors, (134), 2 states have call successors, (32), 2 states have call predecessors, (32), 3 states have return successors, (31), 3 states have call predecessors, (31), 2 states have call successors, (31) Word has length 246 [2022-11-20 12:05:46,752 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:05:46,788 INFO L225 Difference]: With dead ends: 15030 [2022-11-20 12:05:46,789 INFO L226 Difference]: Without dead ends: 7592 [2022-11-20 12:05:46,813 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 245 GetRequests, 242 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-20 12:05:46,814 INFO L413 NwaCegarLoop]: 984 mSDtfsCounter, 2 mSDsluCounter, 2933 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 3917 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-20 12:05:46,814 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 3917 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-20 12:05:46,824 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7592 states. [2022-11-20 12:05:47,319 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7592 to 7558. [2022-11-20 12:05:47,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7558 states, 5479 states have (on average 1.2850885198028836) internal successors, (7041), 5591 states have internal predecessors, (7041), 1410 states have call successors, (1410), 614 states have call predecessors, (1410), 668 states have return successors, (1566), 1450 states have call predecessors, (1566), 1409 states have call successors, (1566) [2022-11-20 12:05:47,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7558 states to 7558 states and 10017 transitions. [2022-11-20 12:05:47,358 INFO L78 Accepts]: Start accepts. Automaton has 7558 states and 10017 transitions. Word has length 246 [2022-11-20 12:05:47,359 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 12:05:47,359 INFO L495 AbstractCegarLoop]: Abstraction has 7558 states and 10017 transitions. [2022-11-20 12:05:47,359 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 26.8) internal successors, (134), 4 states have internal predecessors, (134), 2 states have call successors, (32), 2 states have call predecessors, (32), 3 states have return successors, (31), 3 states have call predecessors, (31), 2 states have call successors, (31) [2022-11-20 12:05:47,360 INFO L276 IsEmpty]: Start isEmpty. Operand 7558 states and 10017 transitions. [2022-11-20 12:05:47,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2022-11-20 12:05:47,376 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:05:47,376 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 13, 8, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:05:47,410 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea9022a7-01c1-49f9-ad74-f26cfb259851/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (14)] Forceful destruction successful, exit code 0 [2022-11-20 12:05:47,599 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea9022a7-01c1-49f9-ad74-f26cfb259851/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 12:05:47,599 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 12:05:47,599 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:05:47,599 INFO L85 PathProgramCache]: Analyzing trace with hash -1219350882, now seen corresponding path program 1 times [2022-11-20 12:05:47,601 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 12:05:47,601 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [333817353] [2022-11-20 12:05:47,601 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:05:47,601 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 12:05:47,601 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea9022a7-01c1-49f9-ad74-f26cfb259851/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 12:05:47,603 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea9022a7-01c1-49f9-ad74-f26cfb259851/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 12:05:47,609 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea9022a7-01c1-49f9-ad74-f26cfb259851/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (15)] Waiting until timeout for monitored process [2022-11-20 12:05:48,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:05:48,875 INFO L263 TraceCheckSpWp]: Trace formula consists of 1417 conjuncts, 28 conjunts are in the unsatisfiable core [2022-11-20 12:05:48,881 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:05:49,845 INFO L134 CoverageAnalysis]: Checked inductivity of 433 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 389 trivial. 0 not checked. [2022-11-20 12:05:49,845 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 12:05:49,846 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 12:05:49,846 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [333817353] [2022-11-20 12:05:49,846 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [333817353] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:05:49,846 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:05:49,847 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-11-20 12:05:49,847 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1802375306] [2022-11-20 12:05:49,847 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:05:49,848 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-20 12:05:49,848 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 12:05:49,848 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-20 12:05:49,849 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2022-11-20 12:05:49,849 INFO L87 Difference]: Start difference. First operand 7558 states and 10017 transitions. Second operand has 12 states, 12 states have (on average 11.583333333333334) internal successors, (139), 9 states have internal predecessors, (139), 2 states have call successors, (33), 2 states have call predecessors, (33), 5 states have return successors, (32), 5 states have call predecessors, (32), 2 states have call successors, (32) [2022-11-20 12:05:51,744 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:05:51,744 INFO L93 Difference]: Finished difference Result 15681 states and 21115 transitions. [2022-11-20 12:05:51,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-20 12:05:51,746 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 11.583333333333334) internal successors, (139), 9 states have internal predecessors, (139), 2 states have call successors, (33), 2 states have call predecessors, (33), 5 states have return successors, (32), 5 states have call predecessors, (32), 2 states have call successors, (32) Word has length 253 [2022-11-20 12:05:51,747 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:05:51,787 INFO L225 Difference]: With dead ends: 15681 [2022-11-20 12:05:51,787 INFO L226 Difference]: Without dead ends: 8187 [2022-11-20 12:05:51,811 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 257 GetRequests, 243 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=37, Invalid=203, Unknown=0, NotChecked=0, Total=240 [2022-11-20 12:05:51,812 INFO L413 NwaCegarLoop]: 1029 mSDtfsCounter, 23 mSDsluCounter, 10215 mSDsCounter, 0 mSdLazyCounter, 136 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 11244 SdHoareTripleChecker+Invalid, 137 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 136 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-11-20 12:05:51,815 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 11244 Invalid, 137 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 136 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-11-20 12:05:51,829 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8187 states. [2022-11-20 12:05:52,340 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8187 to 7670. [2022-11-20 12:05:52,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7670 states, 5577 states have (on average 1.277568585260893) internal successors, (7125), 5675 states have internal predecessors, (7125), 1410 states have call successors, (1410), 614 states have call predecessors, (1410), 682 states have return successors, (1594), 1478 states have call predecessors, (1594), 1409 states have call successors, (1594) [2022-11-20 12:05:52,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7670 states to 7670 states and 10129 transitions. [2022-11-20 12:05:52,376 INFO L78 Accepts]: Start accepts. Automaton has 7670 states and 10129 transitions. Word has length 253 [2022-11-20 12:05:52,377 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 12:05:52,377 INFO L495 AbstractCegarLoop]: Abstraction has 7670 states and 10129 transitions. [2022-11-20 12:05:52,377 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 11.583333333333334) internal successors, (139), 9 states have internal predecessors, (139), 2 states have call successors, (33), 2 states have call predecessors, (33), 5 states have return successors, (32), 5 states have call predecessors, (32), 2 states have call successors, (32) [2022-11-20 12:05:52,377 INFO L276 IsEmpty]: Start isEmpty. Operand 7670 states and 10129 transitions. [2022-11-20 12:05:52,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 266 [2022-11-20 12:05:52,396 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:05:52,397 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 13, 8, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:05:52,434 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea9022a7-01c1-49f9-ad74-f26cfb259851/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (15)] Forceful destruction successful, exit code 0 [2022-11-20 12:05:52,620 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea9022a7-01c1-49f9-ad74-f26cfb259851/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 12:05:52,621 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 12:05:52,621 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:05:52,621 INFO L85 PathProgramCache]: Analyzing trace with hash 76736805, now seen corresponding path program 1 times [2022-11-20 12:05:52,622 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 12:05:52,622 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1365868616] [2022-11-20 12:05:52,622 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:05:52,623 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 12:05:52,623 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea9022a7-01c1-49f9-ad74-f26cfb259851/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 12:05:52,623 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea9022a7-01c1-49f9-ad74-f26cfb259851/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 12:05:52,630 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea9022a7-01c1-49f9-ad74-f26cfb259851/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (16)] Waiting until timeout for monitored process [2022-11-20 12:05:53,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:05:53,842 INFO L263 TraceCheckSpWp]: Trace formula consists of 1446 conjuncts, 16 conjunts are in the unsatisfiable core [2022-11-20 12:05:53,847 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:05:55,320 INFO L134 CoverageAnalysis]: Checked inductivity of 433 backedges. 106 proven. 8 refuted. 0 times theorem prover too weak. 319 trivial. 0 not checked. [2022-11-20 12:05:55,321 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 12:05:59,412 INFO L134 CoverageAnalysis]: Checked inductivity of 433 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 425 trivial. 0 not checked. [2022-11-20 12:05:59,412 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 12:05:59,412 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1365868616] [2022-11-20 12:05:59,412 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1365868616] provided 1 perfect and 1 imperfect interpolant sequences [2022-11-20 12:05:59,413 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-20 12:05:59,413 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [9] total 16 [2022-11-20 12:05:59,413 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [443790085] [2022-11-20 12:05:59,414 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:05:59,414 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-20 12:05:59,414 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 12:05:59,415 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-20 12:05:59,415 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=185, Unknown=0, NotChecked=0, Total=240 [2022-11-20 12:05:59,416 INFO L87 Difference]: Start difference. First operand 7670 states and 10129 transitions. Second operand has 9 states, 9 states have (on average 15.444444444444445) internal successors, (139), 9 states have internal predecessors, (139), 7 states have call successors, (35), 4 states have call predecessors, (35), 4 states have return successors, (34), 7 states have call predecessors, (34), 6 states have call successors, (34) [2022-11-20 12:06:01,500 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 12:06:03,507 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 12:06:05,519 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 12:06:11,065 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.27s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 12:06:12,263 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 12:06:13,742 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.48s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 12:06:15,880 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 12:06:21,799 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 12:06:31,216 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 12:06:45,037 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:06:45,037 INFO L93 Difference]: Finished difference Result 18999 states and 26139 transitions. [2022-11-20 12:06:45,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-20 12:06:45,039 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 15.444444444444445) internal successors, (139), 9 states have internal predecessors, (139), 7 states have call successors, (35), 4 states have call predecessors, (35), 4 states have return successors, (34), 7 states have call predecessors, (34), 6 states have call successors, (34) Word has length 265 [2022-11-20 12:06:45,040 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:06:45,118 INFO L225 Difference]: With dead ends: 18999 [2022-11-20 12:06:45,118 INFO L226 Difference]: Without dead ends: 14934 [2022-11-20 12:06:45,134 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 540 GetRequests, 516 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 118 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=151, Invalid=499, Unknown=0, NotChecked=0, Total=650 [2022-11-20 12:06:45,135 INFO L413 NwaCegarLoop]: 1535 mSDtfsCounter, 5651 mSDsluCounter, 3448 mSDsCounter, 0 mSdLazyCounter, 4424 mSolverCounterSat, 2246 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 41.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5727 SdHoareTripleChecker+Valid, 4983 SdHoareTripleChecker+Invalid, 6675 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2246 IncrementalHoareTripleChecker+Valid, 4424 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 43.4s IncrementalHoareTripleChecker+Time [2022-11-20 12:06:45,136 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5727 Valid, 4983 Invalid, 6675 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2246 Valid, 4424 Invalid, 5 Unknown, 0 Unchecked, 43.4s Time] [2022-11-20 12:06:45,152 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14934 states. [2022-11-20 12:06:46,304 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14934 to 11892. [2022-11-20 12:06:46,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11892 states, 8594 states have (on average 1.2782173609494996) internal successors, (10985), 8782 states have internal predecessors, (10985), 2208 states have call successors, (2208), 918 states have call predecessors, (2208), 1089 states have return successors, (2696), 2345 states have call predecessors, (2696), 2207 states have call successors, (2696) [2022-11-20 12:06:46,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11892 states to 11892 states and 15889 transitions. [2022-11-20 12:06:46,368 INFO L78 Accepts]: Start accepts. Automaton has 11892 states and 15889 transitions. Word has length 265 [2022-11-20 12:06:46,368 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 12:06:46,369 INFO L495 AbstractCegarLoop]: Abstraction has 11892 states and 15889 transitions. [2022-11-20 12:06:46,369 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 15.444444444444445) internal successors, (139), 9 states have internal predecessors, (139), 7 states have call successors, (35), 4 states have call predecessors, (35), 4 states have return successors, (34), 7 states have call predecessors, (34), 6 states have call successors, (34) [2022-11-20 12:06:46,369 INFO L276 IsEmpty]: Start isEmpty. Operand 11892 states and 15889 transitions. [2022-11-20 12:06:46,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2022-11-20 12:06:46,391 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:06:46,392 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 13, 8, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:06:46,440 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea9022a7-01c1-49f9-ad74-f26cfb259851/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (16)] Forceful destruction successful, exit code 0 [2022-11-20 12:06:46,615 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea9022a7-01c1-49f9-ad74-f26cfb259851/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 12:06:46,616 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 12:06:46,616 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:06:46,616 INFO L85 PathProgramCache]: Analyzing trace with hash -731701212, now seen corresponding path program 1 times [2022-11-20 12:06:46,617 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 12:06:46,618 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [952769574] [2022-11-20 12:06:46,618 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:06:46,618 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 12:06:46,618 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea9022a7-01c1-49f9-ad74-f26cfb259851/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 12:06:46,620 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea9022a7-01c1-49f9-ad74-f26cfb259851/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 12:06:46,658 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea9022a7-01c1-49f9-ad74-f26cfb259851/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (17)] Waiting until timeout for monitored process [2022-11-20 12:06:48,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:06:48,312 INFO L263 TraceCheckSpWp]: Trace formula consists of 1450 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-20 12:06:48,319 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:06:48,428 INFO L134 CoverageAnalysis]: Checked inductivity of 433 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 415 trivial. 0 not checked. [2022-11-20 12:06:48,428 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 12:06:48,428 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 12:06:48,429 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [952769574] [2022-11-20 12:06:48,429 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [952769574] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:06:48,429 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:06:48,429 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-20 12:06:48,429 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [33366936] [2022-11-20 12:06:48,429 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:06:48,430 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-20 12:06:48,430 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 12:06:48,431 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 12:06:48,431 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-20 12:06:48,431 INFO L87 Difference]: Start difference. First operand 11892 states and 15889 transitions. Second operand has 4 states, 4 states have (on average 37.0) internal successors, (148), 4 states have internal predecessors, (148), 2 states have call successors, (35), 2 states have call predecessors, (35), 2 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2022-11-20 12:06:49,360 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:06:49,360 INFO L93 Difference]: Finished difference Result 20228 states and 27278 transitions. [2022-11-20 12:06:49,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-20 12:06:49,361 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 37.0) internal successors, (148), 4 states have internal predecessors, (148), 2 states have call successors, (35), 2 states have call predecessors, (35), 2 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) Word has length 267 [2022-11-20 12:06:49,361 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:06:49,411 INFO L225 Difference]: With dead ends: 20228 [2022-11-20 12:06:49,411 INFO L226 Difference]: Without dead ends: 12011 [2022-11-20 12:06:49,434 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 267 GetRequests, 264 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-20 12:06:49,434 INFO L413 NwaCegarLoop]: 982 mSDtfsCounter, 11 mSDsluCounter, 1957 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 2939 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-20 12:06:49,435 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 2939 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-20 12:06:49,446 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12011 states. [2022-11-20 12:06:50,521 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12011 to 11941. [2022-11-20 12:06:50,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11941 states, 8643 states have (on average 1.2790697674418605) internal successors, (11055), 8831 states have internal predecessors, (11055), 2208 states have call successors, (2208), 918 states have call predecessors, (2208), 1089 states have return successors, (2696), 2345 states have call predecessors, (2696), 2207 states have call successors, (2696) [2022-11-20 12:06:50,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11941 states to 11941 states and 15959 transitions. [2022-11-20 12:06:50,589 INFO L78 Accepts]: Start accepts. Automaton has 11941 states and 15959 transitions. Word has length 267 [2022-11-20 12:06:50,589 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 12:06:50,590 INFO L495 AbstractCegarLoop]: Abstraction has 11941 states and 15959 transitions. [2022-11-20 12:06:50,590 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 37.0) internal successors, (148), 4 states have internal predecessors, (148), 2 states have call successors, (35), 2 states have call predecessors, (35), 2 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2022-11-20 12:06:50,590 INFO L276 IsEmpty]: Start isEmpty. Operand 11941 states and 15959 transitions. [2022-11-20 12:06:50,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 270 [2022-11-20 12:06:50,605 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:06:50,606 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 13, 8, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:06:50,650 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea9022a7-01c1-49f9-ad74-f26cfb259851/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (17)] Forceful destruction successful, exit code 0 [2022-11-20 12:06:50,831 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea9022a7-01c1-49f9-ad74-f26cfb259851/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 12:06:50,831 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 12:06:50,832 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:06:50,832 INFO L85 PathProgramCache]: Analyzing trace with hash 395973245, now seen corresponding path program 1 times [2022-11-20 12:06:50,833 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 12:06:50,834 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [490559624] [2022-11-20 12:06:50,834 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:06:50,834 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 12:06:50,834 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea9022a7-01c1-49f9-ad74-f26cfb259851/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 12:06:50,836 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea9022a7-01c1-49f9-ad74-f26cfb259851/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 12:06:50,882 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea9022a7-01c1-49f9-ad74-f26cfb259851/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (18)] Waiting until timeout for monitored process [2022-11-20 12:06:52,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:06:52,844 INFO L263 TraceCheckSpWp]: Trace formula consists of 1452 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 12:06:52,848 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:06:52,894 INFO L134 CoverageAnalysis]: Checked inductivity of 435 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 427 trivial. 0 not checked. [2022-11-20 12:06:52,898 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 12:06:52,898 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 12:06:52,898 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [490559624] [2022-11-20 12:06:52,899 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [490559624] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:06:52,899 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:06:52,900 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 12:06:52,900 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1805210199] [2022-11-20 12:06:52,901 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:06:52,901 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 12:06:52,902 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 12:06:52,902 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 12:06:52,903 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 12:06:52,903 INFO L87 Difference]: Start difference. First operand 11941 states and 15959 transitions. Second operand has 3 states, 3 states have (on average 47.333333333333336) internal successors, (142), 3 states have internal predecessors, (142), 2 states have call successors, (35), 2 states have call predecessors, (35), 2 states have return successors, (34), 2 states have call predecessors, (34), 1 states have call successors, (34) [2022-11-20 12:06:53,723 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:06:53,724 INFO L93 Difference]: Finished difference Result 23890 states and 32034 transitions. [2022-11-20 12:06:53,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 12:06:53,724 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 47.333333333333336) internal successors, (142), 3 states have internal predecessors, (142), 2 states have call successors, (35), 2 states have call predecessors, (35), 2 states have return successors, (34), 2 states have call predecessors, (34), 1 states have call successors, (34) Word has length 269 [2022-11-20 12:06:53,725 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:06:53,778 INFO L225 Difference]: With dead ends: 23890 [2022-11-20 12:06:53,778 INFO L226 Difference]: Without dead ends: 12013 [2022-11-20 12:06:53,811 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 268 GetRequests, 267 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 12:06:53,812 INFO L413 NwaCegarLoop]: 984 mSDtfsCounter, 1 mSDsluCounter, 981 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 1965 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 [2022-11-20 12:06:53,812 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 1965 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-20 12:06:53,825 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12013 states. [2022-11-20 12:06:54,934 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12013 to 11977. [2022-11-20 12:06:54,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11977 states, 8679 states have (on average 1.2779122018665745) internal successors, (11091), 8867 states have internal predecessors, (11091), 2208 states have call successors, (2208), 918 states have call predecessors, (2208), 1089 states have return successors, (2696), 2345 states have call predecessors, (2696), 2207 states have call successors, (2696) [2022-11-20 12:06:54,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11977 states to 11977 states and 15995 transitions. [2022-11-20 12:06:54,992 INFO L78 Accepts]: Start accepts. Automaton has 11977 states and 15995 transitions. Word has length 269 [2022-11-20 12:06:54,993 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 12:06:54,993 INFO L495 AbstractCegarLoop]: Abstraction has 11977 states and 15995 transitions. [2022-11-20 12:06:54,993 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 47.333333333333336) internal successors, (142), 3 states have internal predecessors, (142), 2 states have call successors, (35), 2 states have call predecessors, (35), 2 states have return successors, (34), 2 states have call predecessors, (34), 1 states have call successors, (34) [2022-11-20 12:06:54,993 INFO L276 IsEmpty]: Start isEmpty. Operand 11977 states and 15995 transitions. [2022-11-20 12:06:55,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 272 [2022-11-20 12:06:55,007 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:06:55,007 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 13, 8, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:06:55,044 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea9022a7-01c1-49f9-ad74-f26cfb259851/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (18)] Forceful destruction successful, exit code 0 [2022-11-20 12:06:55,221 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea9022a7-01c1-49f9-ad74-f26cfb259851/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 12:06:55,221 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 12:06:55,222 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:06:55,222 INFO L85 PathProgramCache]: Analyzing trace with hash 1684021473, now seen corresponding path program 1 times [2022-11-20 12:06:55,223 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 12:06:55,223 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1741315355] [2022-11-20 12:06:55,224 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:06:55,224 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 12:06:55,224 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea9022a7-01c1-49f9-ad74-f26cfb259851/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 12:06:55,225 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea9022a7-01c1-49f9-ad74-f26cfb259851/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 12:06:55,269 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea9022a7-01c1-49f9-ad74-f26cfb259851/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (19)] Waiting until timeout for monitored process [2022-11-20 12:06:56,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:06:56,743 INFO L263 TraceCheckSpWp]: Trace formula consists of 1472 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-20 12:06:56,749 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:06:56,832 INFO L134 CoverageAnalysis]: Checked inductivity of 436 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 427 trivial. 0 not checked. [2022-11-20 12:06:56,832 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 12:06:57,219 INFO L134 CoverageAnalysis]: Checked inductivity of 436 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 427 trivial. 0 not checked. [2022-11-20 12:06:57,219 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 12:06:57,219 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1741315355] [2022-11-20 12:06:57,220 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1741315355] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-20 12:06:57,220 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-20 12:06:57,220 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 6 [2022-11-20 12:06:57,220 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [324121776] [2022-11-20 12:06:57,221 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-20 12:06:57,221 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-20 12:06:57,222 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 12:06:57,222 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-20 12:06:57,222 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2022-11-20 12:06:57,223 INFO L87 Difference]: Start difference. First operand 11977 states and 15995 transitions. Second operand has 6 states, 6 states have (on average 24.666666666666668) internal successors, (148), 6 states have internal predecessors, (148), 2 states have call successors, (35), 2 states have call predecessors, (35), 2 states have return successors, (34), 2 states have call predecessors, (34), 1 states have call successors, (34) [2022-11-20 12:06:58,279 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:06:58,280 INFO L93 Difference]: Finished difference Result 24106 states and 32322 transitions. [2022-11-20 12:06:58,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-20 12:06:58,287 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 24.666666666666668) internal successors, (148), 6 states have internal predecessors, (148), 2 states have call successors, (35), 2 states have call predecessors, (35), 2 states have return successors, (34), 2 states have call predecessors, (34), 1 states have call successors, (34) Word has length 271 [2022-11-20 12:06:58,287 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:06:58,327 INFO L225 Difference]: With dead ends: 24106 [2022-11-20 12:06:58,327 INFO L226 Difference]: Without dead ends: 12193 [2022-11-20 12:06:58,351 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 541 GetRequests, 536 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=23, Unknown=0, NotChecked=0, Total=42 [2022-11-20 12:06:58,352 INFO L413 NwaCegarLoop]: 984 mSDtfsCounter, 4 mSDsluCounter, 2943 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 3927 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-20 12:06:58,352 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 3927 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-20 12:06:58,362 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12193 states. [2022-11-20 12:06:59,233 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12193 to 12193. [2022-11-20 12:06:59,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12193 states, 8895 states have (on average 1.2711635750421586) internal successors, (11307), 9083 states have internal predecessors, (11307), 2208 states have call successors, (2208), 918 states have call predecessors, (2208), 1089 states have return successors, (2696), 2345 states have call predecessors, (2696), 2207 states have call successors, (2696) [2022-11-20 12:06:59,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12193 states to 12193 states and 16211 transitions. [2022-11-20 12:06:59,330 INFO L78 Accepts]: Start accepts. Automaton has 12193 states and 16211 transitions. Word has length 271 [2022-11-20 12:06:59,331 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 12:06:59,331 INFO L495 AbstractCegarLoop]: Abstraction has 12193 states and 16211 transitions. [2022-11-20 12:06:59,331 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 24.666666666666668) internal successors, (148), 6 states have internal predecessors, (148), 2 states have call successors, (35), 2 states have call predecessors, (35), 2 states have return successors, (34), 2 states have call predecessors, (34), 1 states have call successors, (34) [2022-11-20 12:06:59,331 INFO L276 IsEmpty]: Start isEmpty. Operand 12193 states and 16211 transitions. [2022-11-20 12:06:59,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 278 [2022-11-20 12:06:59,345 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:06:59,345 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 13, 8, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:06:59,383 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea9022a7-01c1-49f9-ad74-f26cfb259851/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (19)] Forceful destruction successful, exit code 0 [2022-11-20 12:06:59,564 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea9022a7-01c1-49f9-ad74-f26cfb259851/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 12:06:59,565 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 12:06:59,565 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:06:59,565 INFO L85 PathProgramCache]: Analyzing trace with hash 1038030349, now seen corresponding path program 2 times [2022-11-20 12:06:59,566 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 12:06:59,567 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [258571109] [2022-11-20 12:06:59,567 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-20 12:06:59,567 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 12:06:59,567 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea9022a7-01c1-49f9-ad74-f26cfb259851/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 12:06:59,568 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea9022a7-01c1-49f9-ad74-f26cfb259851/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 12:06:59,619 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea9022a7-01c1-49f9-ad74-f26cfb259851/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (20)] Waiting until timeout for monitored process [2022-11-20 12:07:07,610 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-11-20 12:07:07,611 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-20 12:07:07,714 INFO L263 TraceCheckSpWp]: Trace formula consists of 1532 conjuncts, 73 conjunts are in the unsatisfiable core [2022-11-20 12:07:07,723 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:07:08,942 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-11-20 12:07:08,974 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-11-20 12:07:14,069 INFO L321 Elim1Store]: treesize reduction 44, result has 21.4 percent of original size [2022-11-20 12:07:14,069 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 22 treesize of output 22 [2022-11-20 12:07:14,250 INFO L321 Elim1Store]: treesize reduction 44, result has 21.4 percent of original size [2022-11-20 12:07:14,250 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 35 treesize of output 25 [2022-11-20 12:07:24,108 INFO L321 Elim1Store]: treesize reduction 18, result has 5.3 percent of original size [2022-11-20 12:07:24,108 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 31 treesize of output 7 [2022-11-20 12:07:24,124 INFO L321 Elim1Store]: treesize reduction 18, result has 5.3 percent of original size [2022-11-20 12:07:24,125 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 18 treesize of output 3 [2022-11-20 12:07:31,789 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 12:07:31,789 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 38 treesize of output 43 [2022-11-20 12:07:32,061 INFO L321 Elim1Store]: treesize reduction 3, result has 84.2 percent of original size [2022-11-20 12:07:32,062 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 25 [2022-11-20 12:07:40,563 WARN L233 SmtUtils]: Spent 8.34s on a formula simplification. DAG size of input: 33 DAG size of output: 28 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-20 12:07:40,564 INFO L321 Elim1Store]: treesize reduction 19, result has 64.2 percent of original size [2022-11-20 12:07:40,565 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 57 treesize of output 60 [2022-11-20 12:07:40,826 INFO L321 Elim1Store]: treesize reduction 26, result has 50.9 percent of original size [2022-11-20 12:07:40,826 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 54 treesize of output 41 [2022-11-20 12:07:41,260 INFO L134 CoverageAnalysis]: Checked inductivity of 451 backedges. 118 proven. 10 refuted. 0 times theorem prover too weak. 323 trivial. 0 not checked. [2022-11-20 12:07:41,260 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 12:07:49,770 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 279 treesize of output 270 [2022-11-20 12:07:49,787 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 380 treesize of output 344 [2022-11-20 12:07:56,935 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 289 treesize of output 280 [2022-11-20 12:07:56,945 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 380 treesize of output 344 [2022-11-20 12:08:10,137 WARN L233 SmtUtils]: Spent 8.07s on a formula simplification that was a NOOP. DAG size: 18 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-20 12:08:10,137 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 12:08:10,137 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 38 treesize of output 42 [2022-11-20 12:08:10,143 WARN L207 Elim1Store]: Array PQE input equivalent to true [2022-11-20 12:08:25,520 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 279 treesize of output 270 [2022-11-20 12:08:25,533 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 370 treesize of output 334 [2022-11-20 12:08:31,372 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 602 treesize of output 584 [2022-11-20 12:08:31,391 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 1912 treesize of output 1768 [2022-11-20 12:08:37,321 INFO L134 CoverageAnalysis]: Checked inductivity of 451 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 441 trivial. 0 not checked. [2022-11-20 12:08:37,321 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 12:08:37,321 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [258571109] [2022-11-20 12:08:37,321 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [258571109] provided 1 perfect and 1 imperfect interpolant sequences [2022-11-20 12:08:37,322 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-20 12:08:37,322 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [21] imperfect sequences [25] total 41 [2022-11-20 12:08:37,322 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [122436474] [2022-11-20 12:08:37,323 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:08:37,326 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2022-11-20 12:08:37,327 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 12:08:37,327 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2022-11-20 12:08:37,328 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=144, Invalid=1488, Unknown=8, NotChecked=0, Total=1640 [2022-11-20 12:08:37,328 INFO L87 Difference]: Start difference. First operand 12193 states and 16211 transitions. Second operand has 21 states, 19 states have (on average 7.631578947368421) internal successors, (145), 17 states have internal predecessors, (145), 8 states have call successors, (35), 6 states have call predecessors, (35), 6 states have return successors, (34), 9 states have call predecessors, (34), 7 states have call successors, (34) [2022-11-20 12:08:39,404 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 12:08:41,410 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 12:08:43,440 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 12:08:45,472 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 12:08:47,500 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 12:08:49,517 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 12:08:51,527 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 12:09:14,477 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 12:09:15,996 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.52s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 12:09:17,957 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.96s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 12:09:19,976 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 12:09:21,150 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 12:09:22,504 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.35s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 12:09:24,523 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 12:09:26,059 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.54s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 12:09:29,048 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 12:09:35,316 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 12:09:38,039 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 12:09:40,048 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 12:09:41,692 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.64s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 12:09:44,265 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 12:10:06,223 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 12:10:16,144 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 12:10:19,488 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 12:10:22,132 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 12:10:32,697 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 12:10:34,707 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 12:10:36,720 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 12:10:38,729 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 12:10:40,743 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 12:10:42,756 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers []