./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--wireless--zd1211rw--zd1211rw.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e04fb08f 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_a7454b02-fb00-4c19-9565-c36aebfe06c5/bin/uautomizer-tPACEb0tL8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7454b02-fb00-4c19-9565-c36aebfe06c5/bin/uautomizer-tPACEb0tL8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7454b02-fb00-4c19-9565-c36aebfe06c5/bin/uautomizer-tPACEb0tL8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7454b02-fb00-4c19-9565-c36aebfe06c5/bin/uautomizer-tPACEb0tL8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--wireless--zd1211rw--zd1211rw.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7454b02-fb00-4c19-9565-c36aebfe06c5/bin/uautomizer-tPACEb0tL8/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7454b02-fb00-4c19-9565-c36aebfe06c5/bin/uautomizer-tPACEb0tL8 --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 ff02e03a986f1a19fc84bb8ebf84ed80dd5601fff7cc4c17c4d87ec97b443afa --- 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-e04fb08 [2022-11-16 12:22:15,607 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 12:22:15,609 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 12:22:15,648 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 12:22:15,648 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 12:22:15,649 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 12:22:15,651 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 12:22:15,652 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 12:22:15,654 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 12:22:15,655 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 12:22:15,656 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 12:22:15,657 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 12:22:15,658 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 12:22:15,663 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 12:22:15,667 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 12:22:15,672 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 12:22:15,673 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 12:22:15,674 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 12:22:15,676 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 12:22:15,678 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 12:22:15,679 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 12:22:15,690 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 12:22:15,693 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 12:22:15,694 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 12:22:15,698 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 12:22:15,699 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 12:22:15,699 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 12:22:15,700 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 12:22:15,700 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 12:22:15,702 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 12:22:15,702 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 12:22:15,711 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 12:22:15,713 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 12:22:15,715 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 12:22:15,716 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 12:22:15,716 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 12:22:15,717 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 12:22:15,718 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 12:22:15,718 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 12:22:15,719 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 12:22:15,719 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 12:22:15,721 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7454b02-fb00-4c19-9565-c36aebfe06c5/bin/uautomizer-tPACEb0tL8/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-11-16 12:22:15,780 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 12:22:15,780 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 12:22:15,781 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 12:22:15,781 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 12:22:15,782 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-16 12:22:15,782 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-16 12:22:15,783 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-16 12:22:15,783 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-16 12:22:15,783 INFO L138 SettingsManager]: * Use SBE=true [2022-11-16 12:22:15,784 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 12:22:15,784 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-16 12:22:15,784 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 12:22:15,784 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-16 12:22:15,785 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-16 12:22:15,785 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-16 12:22:15,785 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 12:22:15,786 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 12:22:15,786 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-16 12:22:15,786 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 12:22:15,786 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-16 12:22:15,787 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-16 12:22:15,787 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 12:22:15,787 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 12:22:15,788 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-16 12:22:15,788 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-16 12:22:15,788 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-16 12:22:15,788 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-16 12:22:15,789 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-16 12:22:15,789 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-16 12:22:15,789 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-16 12:22:15,790 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_a7454b02-fb00-4c19-9565-c36aebfe06c5/bin/uautomizer-tPACEb0tL8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7454b02-fb00-4c19-9565-c36aebfe06c5/bin/uautomizer-tPACEb0tL8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ff02e03a986f1a19fc84bb8ebf84ed80dd5601fff7cc4c17c4d87ec97b443afa [2022-11-16 12:22:16,055 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 12:22:16,086 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 12:22:16,089 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 12:22:16,093 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 12:22:16,094 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 12:22:16,095 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7454b02-fb00-4c19-9565-c36aebfe06c5/bin/uautomizer-tPACEb0tL8/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--wireless--zd1211rw--zd1211rw.ko-entry_point.cil.out.i [2022-11-16 12:22:16,176 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7454b02-fb00-4c19-9565-c36aebfe06c5/bin/uautomizer-tPACEb0tL8/data/e1bea1dd8/c23015e1d744407f8eb7c79b9ae59a40/FLAGf7222c475 [2022-11-16 12:22:17,210 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 12:22:17,211 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7454b02-fb00-4c19-9565-c36aebfe06c5/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--wireless--zd1211rw--zd1211rw.ko-entry_point.cil.out.i [2022-11-16 12:22:17,279 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7454b02-fb00-4c19-9565-c36aebfe06c5/bin/uautomizer-tPACEb0tL8/data/e1bea1dd8/c23015e1d744407f8eb7c79b9ae59a40/FLAGf7222c475 [2022-11-16 12:22:17,490 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7454b02-fb00-4c19-9565-c36aebfe06c5/bin/uautomizer-tPACEb0tL8/data/e1bea1dd8/c23015e1d744407f8eb7c79b9ae59a40 [2022-11-16 12:22:17,493 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 12:22:17,494 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 12:22:17,495 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 12:22:17,496 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 12:22:17,501 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 12:22:17,502 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 12:22:17" (1/1) ... [2022-11-16 12:22:17,503 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6a64fecf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:22:17, skipping insertion in model container [2022-11-16 12:22:17,503 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 12:22:17" (1/1) ... [2022-11-16 12:22:17,511 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 12:22:17,733 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 12:22:23,995 WARN L229 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_a7454b02-fb00-4c19-9565-c36aebfe06c5/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--wireless--zd1211rw--zd1211rw.ko-entry_point.cil.out.i[636672,636685] [2022-11-16 12:22:24,083 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 12:22:24,172 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 12:22:24,893 WARN L229 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_a7454b02-fb00-4c19-9565-c36aebfe06c5/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--wireless--zd1211rw--zd1211rw.ko-entry_point.cil.out.i[636672,636685] [2022-11-16 12:22:24,901 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 12:22:25,212 INFO L208 MainTranslator]: Completed translation [2022-11-16 12:22:25,213 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:22:25 WrapperNode [2022-11-16 12:22:25,215 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 12:22:25,216 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 12:22:25,217 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 12:22:25,217 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 12:22:25,225 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:22:25" (1/1) ... [2022-11-16 12:22:25,480 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:22:25" (1/1) ... [2022-11-16 12:22:25,936 INFO L138 Inliner]: procedures = 662, calls = 8739, calls flagged for inlining = 271, calls inlined = 268, statements flattened = 15933 [2022-11-16 12:22:25,937 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 12:22:25,938 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 12:22:25,938 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 12:22:25,938 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 12:22:25,949 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:22:25" (1/1) ... [2022-11-16 12:22:25,949 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:22:25" (1/1) ... [2022-11-16 12:22:26,024 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:22:25" (1/1) ... [2022-11-16 12:22:26,025 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:22:25" (1/1) ... [2022-11-16 12:22:26,419 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:22:25" (1/1) ... [2022-11-16 12:22:26,463 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:22:25" (1/1) ... [2022-11-16 12:22:26,526 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:22:25" (1/1) ... [2022-11-16 12:22:26,689 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:22:25" (1/1) ... [2022-11-16 12:22:26,792 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 12:22:26,808 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 12:22:26,808 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 12:22:26,808 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 12:22:26,809 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:22:25" (1/1) ... [2022-11-16 12:22:26,829 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 12:22:26,841 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7454b02-fb00-4c19-9565-c36aebfe06c5/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:22:26,892 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7454b02-fb00-4c19-9565-c36aebfe06c5/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-16 12:22:26,955 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7454b02-fb00-4c19-9565-c36aebfe06c5/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-16 12:22:27,010 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2022-11-16 12:22:27,010 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2022-11-16 12:22:27,010 INFO L130 BoogieDeclarations]: Found specification of procedure zd_ioread32_locked [2022-11-16 12:22:27,010 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_ioread32_locked [2022-11-16 12:22:27,011 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_tx_info_clear_status [2022-11-16 12:22:27,011 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_tx_info_clear_status [2022-11-16 12:22:27,011 INFO L130 BoogieDeclarations]: Found specification of procedure zd_check_signal [2022-11-16 12:22:27,011 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_check_signal [2022-11-16 12:22:27,011 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-16 12:22:27,011 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-16 12:22:27,011 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_head_init [2022-11-16 12:22:27,012 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_head_init [2022-11-16 12:22:27,012 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_int [2022-11-16 12:22:27,012 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_int [2022-11-16 12:22:27,012 INFO L130 BoogieDeclarations]: Found specification of procedure post_reset [2022-11-16 12:22:27,012 INFO L138 BoogieDeclarations]: Found implementation of procedure post_reset [2022-11-16 12:22:27,012 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2022-11-16 12:22:27,012 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2022-11-16 12:22:27,013 INFO L130 BoogieDeclarations]: Found specification of procedure zd_mac_init_hw [2022-11-16 12:22:27,013 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_mac_init_hw [2022-11-16 12:22:27,013 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-16 12:22:27,013 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-16 12:22:27,013 INFO L130 BoogieDeclarations]: Found specification of procedure dump_stack [2022-11-16 12:22:27,013 INFO L138 BoogieDeclarations]: Found implementation of procedure dump_stack [2022-11-16 12:22:27,013 INFO L130 BoogieDeclarations]: Found specification of procedure zd_usb_to_usbdev [2022-11-16 12:22:27,014 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_usb_to_usbdev [2022-11-16 12:22:27,014 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_3 [2022-11-16 12:22:27,014 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_3 [2022-11-16 12:22:27,014 INFO L130 BoogieDeclarations]: Found specification of procedure zd_mac_rx [2022-11-16 12:22:27,014 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_mac_rx [2022-11-16 12:22:27,014 INFO L130 BoogieDeclarations]: Found specification of procedure zd_chip_set_channel [2022-11-16 12:22:27,014 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_chip_set_channel [2022-11-16 12:22:27,015 INFO L130 BoogieDeclarations]: Found specification of procedure zd_chip_clear [2022-11-16 12:22:27,015 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_chip_clear [2022-11-16 12:22:27,015 INFO L130 BoogieDeclarations]: Found specification of procedure zd_switch_radio_off [2022-11-16 12:22:27,015 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_switch_radio_off [2022-11-16 12:22:27,015 INFO L130 BoogieDeclarations]: Found specification of procedure free_rx_urb [2022-11-16 12:22:27,015 INFO L138 BoogieDeclarations]: Found implementation of procedure free_rx_urb [2022-11-16 12:22:27,015 INFO L130 BoogieDeclarations]: Found specification of procedure zd_op_configure_filter [2022-11-16 12:22:27,016 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_op_configure_filter [2022-11-16 12:22:27,016 INFO L130 BoogieDeclarations]: Found specification of procedure usb_queue_reset_device [2022-11-16 12:22:27,016 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_queue_reset_device [2022-11-16 12:22:27,016 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-11-16 12:22:27,016 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-11-16 12:22:27,016 INFO L130 BoogieDeclarations]: Found specification of procedure fw_reg_addr [2022-11-16 12:22:27,016 INFO L138 BoogieDeclarations]: Found implementation of procedure fw_reg_addr [2022-11-16 12:22:27,017 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_beacon_get [2022-11-16 12:22:27,017 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_beacon_get [2022-11-16 12:22:27,017 INFO L130 BoogieDeclarations]: Found specification of procedure zd_switch_radio_on [2022-11-16 12:22:27,017 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_switch_radio_on [2022-11-16 12:22:27,017 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2022-11-16 12:22:27,017 INFO L130 BoogieDeclarations]: Found specification of procedure zd_op_config [2022-11-16 12:22:27,017 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_op_config [2022-11-16 12:22:27,018 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_coherent [2022-11-16 12:22:27,018 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_coherent [2022-11-16 12:22:27,018 INFO L130 BoogieDeclarations]: Found specification of procedure uw2453_init_mode [2022-11-16 12:22:27,018 INFO L138 BoogieDeclarations]: Found implementation of procedure uw2453_init_mode [2022-11-16 12:22:27,018 INFO L130 BoogieDeclarations]: Found specification of procedure arch_irqs_disabled_flags [2022-11-16 12:22:27,018 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_irqs_disabled_flags [2022-11-16 12:22:27,018 INFO L130 BoogieDeclarations]: Found specification of procedure zd_chip_enable_hwint [2022-11-16 12:22:27,019 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_chip_enable_hwint [2022-11-16 12:22:27,019 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-11-16 12:22:27,019 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-11-16 12:22:27,019 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-16 12:22:27,019 INFO L130 BoogieDeclarations]: Found specification of procedure zd_chip_lock_phy_regs [2022-11-16 12:22:27,019 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_chip_lock_phy_regs [2022-11-16 12:22:27,019 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-11-16 12:22:27,020 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-11-16 12:22:27,020 INFO L130 BoogieDeclarations]: Found specification of procedure zd_rf_to_chip [2022-11-16 12:22:27,020 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_rf_to_chip [2022-11-16 12:22:27,020 INFO L130 BoogieDeclarations]: Found specification of procedure zd_mac_free_cur_beacon_locked [2022-11-16 12:22:27,020 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_mac_free_cur_beacon_locked [2022-11-16 12:22:27,020 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_is_first [2022-11-16 12:22:27,020 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_is_first [2022-11-16 12:22:27,020 INFO L130 BoogieDeclarations]: Found specification of procedure zd_usb_iowrite16v_async [2022-11-16 12:22:27,020 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_usb_iowrite16v_async [2022-11-16 12:22:27,021 INFO L130 BoogieDeclarations]: Found specification of procedure usb_unanchor_urb [2022-11-16 12:22:27,021 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_unanchor_urb [2022-11-16 12:22:27,021 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-11-16 12:22:27,021 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-11-16 12:22:27,021 INFO L130 BoogieDeclarations]: Found specification of procedure zd_rfwrite_locked [2022-11-16 12:22:27,021 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_rfwrite_locked [2022-11-16 12:22:27,021 INFO L130 BoogieDeclarations]: Found specification of procedure round_jiffies_relative [2022-11-16 12:22:27,021 INFO L138 BoogieDeclarations]: Found implementation of procedure round_jiffies_relative [2022-11-16 12:22:27,022 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-16 12:22:27,022 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-11-16 12:22:27,022 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-11-16 12:22:27,022 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-16 12:22:27,022 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_is_locked [2022-11-16 12:22:27,022 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_is_locked [2022-11-16 12:22:27,022 INFO L130 BoogieDeclarations]: Found specification of procedure zd_mac_free_cur_beacon [2022-11-16 12:22:27,039 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_mac_free_cur_beacon [2022-11-16 12:22:27,039 INFO L130 BoogieDeclarations]: Found specification of procedure beacon_watchdog_handler [2022-11-16 12:22:27,039 INFO L138 BoogieDeclarations]: Found implementation of procedure beacon_watchdog_handler [2022-11-16 12:22:27,039 INFO L130 BoogieDeclarations]: Found specification of procedure zd_op_remove_interface [2022-11-16 12:22:27,039 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_op_remove_interface [2022-11-16 12:22:27,039 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-16 12:22:27,040 INFO L130 BoogieDeclarations]: Found specification of procedure check_read_regs [2022-11-16 12:22:27,040 INFO L138 BoogieDeclarations]: Found implementation of procedure check_read_regs [2022-11-16 12:22:27,040 INFO L130 BoogieDeclarations]: Found specification of procedure zd_rf_clear [2022-11-16 12:22:27,040 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_rf_clear [2022-11-16 12:22:27,040 INFO L130 BoogieDeclarations]: Found specification of procedure handle_rx_packet [2022-11-16 12:22:27,040 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_rx_packet [2022-11-16 12:22:27,040 INFO L130 BoogieDeclarations]: Found specification of procedure zd_op_stop [2022-11-16 12:22:27,040 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_op_stop [2022-11-16 12:22:27,040 INFO L130 BoogieDeclarations]: Found specification of procedure zd_iowrite32a_locked [2022-11-16 12:22:27,041 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_iowrite32a_locked [2022-11-16 12:22:27,041 INFO L130 BoogieDeclarations]: Found specification of procedure zd1211b_al7230b_finalize [2022-11-16 12:22:27,041 INFO L138 BoogieDeclarations]: Found implementation of procedure zd1211b_al7230b_finalize [2022-11-16 12:22:27,041 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-16 12:22:27,041 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-16 12:22:27,041 INFO L130 BoogieDeclarations]: Found specification of procedure zd_iowrite16_locked [2022-11-16 12:22:27,041 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_iowrite16_locked [2022-11-16 12:22:27,041 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2022-11-16 12:22:27,042 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2022-11-16 12:22:27,042 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-11-16 12:22:27,042 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-11-16 12:22:27,042 INFO L130 BoogieDeclarations]: Found specification of procedure test_init [2022-11-16 12:22:27,042 INFO L138 BoogieDeclarations]: Found implementation of procedure test_init [2022-11-16 12:22:27,042 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_anchored_urbs [2022-11-16 12:22:27,042 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_anchored_urbs [2022-11-16 12:22:27,042 INFO L130 BoogieDeclarations]: Found specification of procedure request_fw_file [2022-11-16 12:22:27,043 INFO L138 BoogieDeclarations]: Found implementation of procedure request_fw_file [2022-11-16 12:22:27,043 INFO L130 BoogieDeclarations]: Found specification of procedure dump_cr [2022-11-16 12:22:27,043 INFO L138 BoogieDeclarations]: Found implementation of procedure dump_cr [2022-11-16 12:22:27,043 INFO L130 BoogieDeclarations]: Found specification of procedure usb_pipe_endpoint [2022-11-16 12:22:27,043 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_pipe_endpoint [2022-11-16 12:22:27,043 INFO L130 BoogieDeclarations]: Found specification of procedure zd_mc_clear [2022-11-16 12:22:27,043 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_mc_clear [2022-11-16 12:22:27,043 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-11-16 12:22:27,044 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-11-16 12:22:27,044 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_dequeue [2022-11-16 12:22:27,044 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_dequeue [2022-11-16 12:22:27,044 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-16 12:22:27,044 INFO L130 BoogieDeclarations]: Found specification of procedure zd_write_mac_addr_common [2022-11-16 12:22:27,044 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_write_mac_addr_common [2022-11-16 12:22:27,044 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_calloc [2022-11-16 12:22:27,044 INFO L130 BoogieDeclarations]: Found specification of procedure zd_op_prepare_multicast [2022-11-16 12:22:27,044 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_op_prepare_multicast [2022-11-16 12:22:27,044 INFO L130 BoogieDeclarations]: Found specification of procedure complete [2022-11-16 12:22:27,045 INFO L138 BoogieDeclarations]: Found implementation of procedure complete [2022-11-16 12:22:27,045 INFO L130 BoogieDeclarations]: Found specification of procedure zd_usb_disable_tx [2022-11-16 12:22:27,045 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_usb_disable_tx [2022-11-16 12:22:27,045 INFO L130 BoogieDeclarations]: Found specification of procedure zd_usb_to_hw [2022-11-16 12:22:27,045 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_usb_to_hw [2022-11-16 12:22:27,045 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-16 12:22:27,045 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_free_hw [2022-11-16 12:22:27,045 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_free_hw [2022-11-16 12:22:27,046 INFO L130 BoogieDeclarations]: Found specification of procedure zd_usb_ioread16 [2022-11-16 12:22:27,046 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_usb_ioread16 [2022-11-16 12:22:27,046 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-16 12:22:27,046 INFO L130 BoogieDeclarations]: Found specification of procedure zd_usb_resume [2022-11-16 12:22:27,046 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_usb_resume [2022-11-16 12:22:27,046 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-11-16 12:22:27,046 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-11-16 12:22:27,046 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-11-16 12:22:27,046 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2022-11-16 12:22:27,047 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2022-11-16 12:22:27,047 INFO L130 BoogieDeclarations]: Found specification of procedure zd_ioread32v_locked [2022-11-16 12:22:27,047 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_ioread32v_locked [2022-11-16 12:22:27,047 INFO L130 BoogieDeclarations]: Found specification of procedure get_fw_name [2022-11-16 12:22:27,047 INFO L138 BoogieDeclarations]: Found implementation of procedure get_fw_name [2022-11-16 12:22:27,047 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-11-16 12:22:27,047 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-11-16 12:22:27,047 INFO L130 BoogieDeclarations]: Found specification of procedure zd_chip_is_zd1211b [2022-11-16 12:22:27,047 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_chip_is_zd1211b [2022-11-16 12:22:27,048 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2022-11-16 12:22:27,048 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2022-11-16 12:22:27,048 INFO L130 BoogieDeclarations]: Found specification of procedure set_beacon_interval [2022-11-16 12:22:27,048 INFO L138 BoogieDeclarations]: Found implementation of procedure set_beacon_interval [2022-11-16 12:22:27,048 INFO L130 BoogieDeclarations]: Found specification of procedure set_rx_filter [2022-11-16 12:22:27,048 INFO L138 BoogieDeclarations]: Found implementation of procedure set_rx_filter [2022-11-16 12:22:27,048 INFO L130 BoogieDeclarations]: Found specification of procedure uw2453_synth_set_channel [2022-11-16 12:22:27,048 INFO L138 BoogieDeclarations]: Found implementation of procedure uw2453_synth_set_channel [2022-11-16 12:22:27,049 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work___0 [2022-11-16 12:22:27,049 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work___0 [2022-11-16 12:22:27,049 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2022-11-16 12:22:27,049 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2022-11-16 12:22:27,049 INFO L130 BoogieDeclarations]: Found specification of procedure zd_usb_iowrite16v_async_start [2022-11-16 12:22:27,049 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_usb_iowrite16v_async_start [2022-11-16 12:22:27,049 INFO L130 BoogieDeclarations]: Found specification of procedure zd_usb_disable_rx [2022-11-16 12:22:27,049 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_usb_disable_rx [2022-11-16 12:22:27,049 INFO L130 BoogieDeclarations]: Found specification of procedure zd1211b_al2230_finalize_rf [2022-11-16 12:22:27,050 INFO L138 BoogieDeclarations]: Found implementation of procedure zd1211b_al2230_finalize_rf [2022-11-16 12:22:27,050 INFO L130 BoogieDeclarations]: Found specification of procedure zd_iowrite32_locked [2022-11-16 12:22:27,050 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_iowrite32_locked [2022-11-16 12:22:27,050 INFO L130 BoogieDeclarations]: Found specification of procedure handle_regs_int_override [2022-11-16 12:22:27,050 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_regs_int_override [2022-11-16 12:22:27,050 INFO L130 BoogieDeclarations]: Found specification of procedure zd_chip_set_multicast_hash [2022-11-16 12:22:27,050 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_chip_set_multicast_hash [2022-11-16 12:22:27,050 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_tail [2022-11-16 12:22:27,051 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_tail [2022-11-16 12:22:27,051 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2022-11-16 12:22:27,051 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2022-11-16 12:22:27,051 INFO L130 BoogieDeclarations]: Found specification of procedure disable_hwint [2022-11-16 12:22:27,051 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_hwint [2022-11-16 12:22:27,051 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-11-16 12:22:27,051 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-11-16 12:22:27,051 INFO L130 BoogieDeclarations]: Found specification of procedure zd_mac_tx_status [2022-11-16 12:22:27,051 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_mac_tx_status [2022-11-16 12:22:27,052 INFO L130 BoogieDeclarations]: Found specification of procedure zd_chip_disable_rxtx [2022-11-16 12:22:27,052 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_chip_disable_rxtx [2022-11-16 12:22:27,067 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work [2022-11-16 12:22:27,067 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work [2022-11-16 12:22:27,067 INFO L130 BoogieDeclarations]: Found specification of procedure zd_chip_unlock_phy_regs [2022-11-16 12:22:27,067 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_chip_unlock_phy_regs [2022-11-16 12:22:27,067 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2022-11-16 12:22:27,067 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2022-11-16 12:22:27,068 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-11-16 12:22:27,068 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-11-16 12:22:27,068 INFO L130 BoogieDeclarations]: Found specification of procedure zd_rf_name [2022-11-16 12:22:27,068 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_rf_name [2022-11-16 12:22:27,068 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2022-11-16 12:22:27,068 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2022-11-16 12:22:27,068 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_save_flags [2022-11-16 12:22:27,068 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_save_flags [2022-11-16 12:22:27,069 INFO L130 BoogieDeclarations]: Found specification of procedure zd_mac_clear [2022-11-16 12:22:27,069 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_mac_clear [2022-11-16 12:22:27,069 INFO L130 BoogieDeclarations]: Found specification of procedure zd_rfwritev_locked [2022-11-16 12:22:27,069 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_rfwritev_locked [2022-11-16 12:22:27,069 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 12:22:27,069 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 12:22:27,069 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_wake_queues [2022-11-16 12:22:27,069 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_wake_queues [2022-11-16 12:22:27,070 INFO L130 BoogieDeclarations]: Found specification of procedure zd_chip_control_leds [2022-11-16 12:22:27,070 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_chip_control_leds [2022-11-16 12:22:27,070 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2022-11-16 12:22:27,070 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2022-11-16 12:22:27,070 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-11-16 12:22:27,070 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-11-16 12:22:27,070 INFO L130 BoogieDeclarations]: Found specification of procedure scnprint_id___0 [2022-11-16 12:22:27,070 INFO L138 BoogieDeclarations]: Found implementation of procedure scnprint_id___0 [2022-11-16 12:22:27,070 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_is_pspoll [2022-11-16 12:22:27,070 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_is_pspoll [2022-11-16 12:22:27,071 INFO L130 BoogieDeclarations]: Found specification of procedure zd_usb_iowrite16v_async_end [2022-11-16 12:22:27,071 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_usb_iowrite16v_async_end [2022-11-16 12:22:27,071 INFO L130 BoogieDeclarations]: Found specification of procedure skb_dequeue [2022-11-16 12:22:27,071 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_dequeue [2022-11-16 12:22:27,071 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-16 12:22:27,071 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-16 12:22:27,071 INFO L130 BoogieDeclarations]: Found specification of procedure upload_code [2022-11-16 12:22:27,071 INFO L138 BoogieDeclarations]: Found implementation of procedure upload_code [2022-11-16 12:22:27,072 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-16 12:22:27,072 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-16 12:22:27,072 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_delayed_work_sync [2022-11-16 12:22:27,072 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_delayed_work_sync [2022-11-16 12:22:27,072 INFO L130 BoogieDeclarations]: Found specification of procedure zd_rx_idle_timer_handler [2022-11-16 12:22:27,072 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_rx_idle_timer_handler [2022-11-16 12:22:27,072 INFO L130 BoogieDeclarations]: Found specification of procedure zd_rfwrite_cr_locked [2022-11-16 12:22:27,072 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_rfwrite_cr_locked [2022-11-16 12:22:27,072 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u8~0~TO~int [2022-11-16 12:22:27,073 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u8~0~TO~int [2022-11-16 12:22:27,073 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_workqueue [2022-11-16 12:22:27,073 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_workqueue [2022-11-16 12:22:27,073 INFO L130 BoogieDeclarations]: Found specification of procedure set_rts_cts [2022-11-16 12:22:27,073 INFO L138 BoogieDeclarations]: Found implementation of procedure set_rts_cts [2022-11-16 12:22:27,073 INFO L130 BoogieDeclarations]: Found specification of procedure zd_usb_to_mac [2022-11-16 12:22:27,073 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_usb_to_mac [2022-11-16 12:22:27,073 INFO L130 BoogieDeclarations]: Found specification of procedure __zd_usb_disable_rx [2022-11-16 12:22:27,073 INFO L138 BoogieDeclarations]: Found implementation of procedure __zd_usb_disable_rx [2022-11-16 12:22:27,073 INFO L130 BoogieDeclarations]: Found specification of procedure zd_submit_waiting_urb [2022-11-16 12:22:27,074 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_submit_waiting_urb [2022-11-16 12:22:27,074 INFO L130 BoogieDeclarations]: Found specification of procedure zd_usb_stop [2022-11-16 12:22:27,074 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_usb_stop [2022-11-16 12:22:27,074 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_tx_status_irqsafe [2022-11-16 12:22:27,074 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_tx_status_irqsafe [2022-11-16 12:22:27,074 INFO L130 BoogieDeclarations]: Found specification of procedure zd_usb_reset_rx_idle_timer [2022-11-16 12:22:27,074 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_usb_reset_rx_idle_timer [2022-11-16 12:22:27,074 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-11-16 12:22:27,074 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-11-16 12:22:27,074 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_bulk_urb [2022-11-16 12:22:27,075 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_bulk_urb [2022-11-16 12:22:27,075 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-11-16 12:22:27,075 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-11-16 12:22:27,075 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work_on [2022-11-16 12:22:27,075 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work_on [2022-11-16 12:22:27,075 INFO L130 BoogieDeclarations]: Found specification of procedure zd_set_beacon_interval [2022-11-16 12:22:27,075 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_set_beacon_interval [2022-11-16 12:22:27,075 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-11-16 12:22:27,075 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-11-16 12:22:27,075 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-16 12:22:27,076 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-16 12:22:27,076 INFO L130 BoogieDeclarations]: Found specification of procedure get_bcdDevice [2022-11-16 12:22:27,076 INFO L138 BoogieDeclarations]: Found implementation of procedure get_bcdDevice [2022-11-16 12:22:27,076 INFO L130 BoogieDeclarations]: Found specification of procedure zd_usb_disable_int [2022-11-16 12:22:27,076 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_usb_disable_int [2022-11-16 12:22:27,076 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-16 12:22:27,076 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-16 12:22:27,076 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_le16 [2022-11-16 12:22:27,076 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_le16 [2022-11-16 12:22:27,077 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-16 12:22:27,077 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-11-16 12:22:27,077 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-11-16 12:22:27,077 INFO L130 BoogieDeclarations]: Found specification of procedure zd_rf_init_hw [2022-11-16 12:22:27,077 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_rf_init_hw [2022-11-16 12:22:27,077 INFO L130 BoogieDeclarations]: Found specification of procedure __zd_usb_enable_rx [2022-11-16 12:22:27,077 INFO L138 BoogieDeclarations]: Found implementation of procedure __zd_usb_enable_rx [2022-11-16 12:22:27,077 INFO L130 BoogieDeclarations]: Found specification of procedure usb_int_regs_length [2022-11-16 12:22:27,077 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_int_regs_length [2022-11-16 12:22:27,077 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-16 12:22:27,078 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2022-11-16 12:22:27,078 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2022-11-16 12:22:27,078 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_work_3 [2022-11-16 12:22:27,078 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_work_3 [2022-11-16 12:22:27,078 INFO L130 BoogieDeclarations]: Found specification of procedure usb_anchor_urb [2022-11-16 12:22:27,078 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_anchor_urb [2022-11-16 12:22:27,078 INFO L130 BoogieDeclarations]: Found specification of procedure zd_iowrite32 [2022-11-16 12:22:27,078 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_iowrite32 [2022-11-16 12:22:27,079 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-16 12:22:27,079 INFO L130 BoogieDeclarations]: Found specification of procedure zd_mac_config_beacon [2022-11-16 12:22:27,079 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_mac_config_beacon [2022-11-16 12:22:27,079 INFO L130 BoogieDeclarations]: Found specification of procedure disable_work_3 [2022-11-16 12:22:27,079 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_work_3 [2022-11-16 12:22:27,079 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2022-11-16 12:22:27,079 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2022-11-16 12:22:27,079 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2022-11-16 12:22:27,079 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2022-11-16 12:22:27,080 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2022-11-16 12:22:27,080 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2022-11-16 12:22:27,080 INFO L130 BoogieDeclarations]: Found specification of procedure _ieee80211_hw_set [2022-11-16 12:22:27,080 INFO L138 BoogieDeclarations]: Found implementation of procedure _ieee80211_hw_set [2022-11-16 12:22:27,080 INFO L130 BoogieDeclarations]: Found specification of procedure zd_tx_watchdog_handler [2022-11-16 12:22:27,080 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_tx_watchdog_handler [2022-11-16 12:22:27,080 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2022-11-16 12:22:27,080 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2022-11-16 12:22:27,081 INFO L130 BoogieDeclarations]: Found specification of procedure zd_hw_mac [2022-11-16 12:22:27,081 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_hw_mac [2022-11-16 12:22:27,081 INFO L130 BoogieDeclarations]: Found specification of procedure read_values [2022-11-16 12:22:27,081 INFO L138 BoogieDeclarations]: Found implementation of procedure read_values [2022-11-16 12:22:27,081 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2022-11-16 12:22:27,081 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2022-11-16 12:22:27,081 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2022-11-16 12:22:27,081 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2022-11-16 12:22:27,081 INFO L130 BoogieDeclarations]: Found specification of procedure release_firmware [2022-11-16 12:22:27,082 INFO L138 BoogieDeclarations]: Found implementation of procedure release_firmware [2022-11-16 12:22:27,082 INFO L130 BoogieDeclarations]: Found specification of procedure zd_op_start [2022-11-16 12:22:27,082 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_op_start [2022-11-16 12:22:27,082 INFO L130 BoogieDeclarations]: Found specification of procedure flush_workqueue [2022-11-16 12:22:27,082 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_workqueue [2022-11-16 12:22:27,082 INFO L130 BoogieDeclarations]: Found specification of procedure disconnect [2022-11-16 12:22:27,082 INFO L138 BoogieDeclarations]: Found implementation of procedure disconnect [2022-11-16 12:22:27,082 INFO L130 BoogieDeclarations]: Found specification of procedure zd_intf_to_hw [2022-11-16 12:22:27,099 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_intf_to_hw [2022-11-16 12:22:27,099 INFO L130 BoogieDeclarations]: Found specification of procedure inc_addr [2022-11-16 12:22:27,099 INFO L138 BoogieDeclarations]: Found implementation of procedure inc_addr [2022-11-16 12:22:27,099 INFO L130 BoogieDeclarations]: Found specification of procedure usb_bulk_msg [2022-11-16 12:22:27,099 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_bulk_msg [2022-11-16 12:22:27,099 INFO L130 BoogieDeclarations]: Found specification of procedure zd_chip_to_mac [2022-11-16 12:22:27,099 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_chip_to_mac [2022-11-16 12:22:27,099 INFO L130 BoogieDeclarations]: Found specification of procedure zd_rfwritev_cr_locked [2022-11-16 12:22:27,100 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_rfwritev_cr_locked [2022-11-16 12:22:27,100 INFO L130 BoogieDeclarations]: Found specification of procedure pre_reset [2022-11-16 12:22:27,100 INFO L138 BoogieDeclarations]: Found implementation of procedure pre_reset [2022-11-16 12:22:27,100 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2022-11-16 12:22:27,100 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2022-11-16 12:22:27,100 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-11-16 12:22:27,100 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-11-16 12:22:27,100 INFO L130 BoogieDeclarations]: Found specification of procedure zd_chip_switch_radio_on [2022-11-16 12:22:27,101 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_chip_switch_radio_on [2022-11-16 12:22:27,101 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_int_urb [2022-11-16 12:22:27,101 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_int_urb [2022-11-16 12:22:27,101 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-16 12:22:27,101 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-16 12:22:27,101 INFO L130 BoogieDeclarations]: Found specification of procedure init_usb_anchor [2022-11-16 12:22:27,101 INFO L138 BoogieDeclarations]: Found implementation of procedure init_usb_anchor [2022-11-16 12:22:27,101 INFO L130 BoogieDeclarations]: Found specification of procedure uw2453_write_vco_cfg [2022-11-16 12:22:27,102 INFO L138 BoogieDeclarations]: Found implementation of procedure uw2453_write_vco_cfg [2022-11-16 12:22:27,102 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-16 12:22:27,102 INFO L130 BoogieDeclarations]: Found specification of procedure zd_chip_switch_radio_off [2022-11-16 12:22:27,102 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_chip_switch_radio_off [2022-11-16 12:22:27,102 INFO L130 BoogieDeclarations]: Found specification of procedure zd_ep_regs_out_msg [2022-11-16 12:22:27,102 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_ep_regs_out_msg [2022-11-16 12:22:27,102 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2022-11-16 12:22:27,102 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2022-11-16 12:22:27,102 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-16 12:22:27,103 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-16 12:22:27,103 INFO L130 BoogieDeclarations]: Found specification of procedure zd_usb_to_chip [2022-11-16 12:22:27,103 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_usb_to_chip [2022-11-16 12:22:27,103 INFO L130 BoogieDeclarations]: Found specification of procedure zd_chip_disable_hwint [2022-11-16 12:22:27,103 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_chip_disable_hwint [2022-11-16 12:22:27,103 INFO L130 BoogieDeclarations]: Found specification of procedure zd_usb_ioread16v [2022-11-16 12:22:27,103 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_usb_ioread16v [2022-11-16 12:22:27,103 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2022-11-16 12:22:27,103 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2022-11-16 12:22:27,104 INFO L130 BoogieDeclarations]: Found specification of procedure zd_usb_init_hw [2022-11-16 12:22:27,104 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_usb_init_hw [2022-11-16 12:22:27,104 INFO L130 BoogieDeclarations]: Found specification of procedure zd_ioread16_locked [2022-11-16 12:22:27,104 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_ioread16_locked [2022-11-16 12:22:27,104 INFO L130 BoogieDeclarations]: Found specification of procedure zd_chip_init_hw [2022-11-16 12:22:27,104 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_chip_init_hw [2022-11-16 12:22:27,104 INFO L130 BoogieDeclarations]: Found specification of procedure zd_op_bss_info_changed [2022-11-16 12:22:27,104 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_op_bss_info_changed [2022-11-16 12:22:27,104 INFO L130 BoogieDeclarations]: Found specification of procedure ether_addr_equal [2022-11-16 12:22:27,104 INFO L138 BoogieDeclarations]: Found implementation of procedure ether_addr_equal [2022-11-16 12:22:27,105 INFO L130 BoogieDeclarations]: Found specification of procedure zd_op_get_tsf [2022-11-16 12:22:27,105 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_op_get_tsf [2022-11-16 12:22:27,105 INFO L130 BoogieDeclarations]: Found specification of procedure zd_chip_disable_int [2022-11-16 12:22:27,105 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_chip_disable_int [2022-11-16 12:22:27,105 INFO L130 BoogieDeclarations]: Found specification of procedure zd_process_intr [2022-11-16 12:22:27,105 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_process_intr [2022-11-16 12:22:27,105 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_all_3 [2022-11-16 12:22:27,105 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_all_3 [2022-11-16 12:22:27,105 INFO L130 BoogieDeclarations]: Found specification of procedure link_led_handler [2022-11-16 12:22:27,105 INFO L138 BoogieDeclarations]: Found implementation of procedure link_led_handler [2022-11-16 12:22:27,106 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2022-11-16 12:22:27,106 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2022-11-16 12:22:27,106 INFO L130 BoogieDeclarations]: Found specification of procedure skb_unlink [2022-11-16 12:22:27,106 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_unlink [2022-11-16 12:22:27,106 INFO L130 BoogieDeclarations]: Found specification of procedure zd_ioread16v_locked [2022-11-16 12:22:27,106 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_ioread16v_locked [2022-11-16 12:22:27,106 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2022-11-16 12:22:27,106 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2022-11-16 12:22:27,106 INFO L130 BoogieDeclarations]: Found specification of procedure zd_chip_enable_int [2022-11-16 12:22:27,106 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_chip_enable_int [2022-11-16 12:22:27,106 INFO L130 BoogieDeclarations]: Found specification of procedure usb_reset_device [2022-11-16 12:22:27,107 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_reset_device [2022-11-16 12:22:27,107 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-11-16 12:22:27,107 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-11-16 12:22:27,107 INFO L130 BoogieDeclarations]: Found specification of procedure _zd_iowrite32v_async_locked [2022-11-16 12:22:27,107 INFO L138 BoogieDeclarations]: Found implementation of procedure _zd_iowrite32v_async_locked [2022-11-16 12:22:27,107 INFO L130 BoogieDeclarations]: Found specification of procedure set_mac_and_bssid [2022-11-16 12:22:27,107 INFO L138 BoogieDeclarations]: Found implementation of procedure set_mac_and_bssid [2022-11-16 12:22:27,107 INFO L130 BoogieDeclarations]: Found specification of procedure zd_op_tx [2022-11-16 12:22:27,107 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_op_tx [2022-11-16 12:22:27,107 INFO L130 BoogieDeclarations]: Found specification of procedure zd_op_add_interface [2022-11-16 12:22:27,108 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_op_add_interface [2022-11-16 12:22:27,108 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-16 12:22:27,108 INFO L130 BoogieDeclarations]: Found specification of procedure zd_write_mac_addr [2022-11-16 12:22:27,108 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_write_mac_addr [2022-11-16 12:22:27,108 INFO L130 BoogieDeclarations]: Found specification of procedure IEEE80211_SKB_CB [2022-11-16 12:22:27,108 INFO L138 BoogieDeclarations]: Found implementation of procedure IEEE80211_SKB_CB [2022-11-16 12:22:27,108 INFO L130 BoogieDeclarations]: Found specification of procedure zd_iowrite16a_locked [2022-11-16 12:22:27,108 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_iowrite16a_locked [2022-11-16 12:22:27,108 INFO L130 BoogieDeclarations]: Found specification of procedure preempt_count [2022-11-16 12:22:27,109 INFO L138 BoogieDeclarations]: Found implementation of procedure preempt_count [2022-11-16 12:22:28,775 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 12:22:28,784 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 12:22:29,401 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-16 12:27:06,326 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 12:27:06,361 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 12:27:06,361 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-16 12:27:06,371 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:27:06 BoogieIcfgContainer [2022-11-16 12:27:06,371 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 12:27:06,377 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-16 12:27:06,377 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-16 12:27:06,382 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-16 12:27:06,382 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 12:22:17" (1/3) ... [2022-11-16 12:27:06,383 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73014204 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 12:27:06, skipping insertion in model container [2022-11-16 12:27:06,384 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:22:25" (2/3) ... [2022-11-16 12:27:06,384 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73014204 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 12:27:06, skipping insertion in model container [2022-11-16 12:27:06,384 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:27:06" (3/3) ... [2022-11-16 12:27:06,386 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--net--wireless--zd1211rw--zd1211rw.ko-entry_point.cil.out.i [2022-11-16 12:27:06,410 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-16 12:27:06,411 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-16 12:27:06,583 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-16 12:27:06,591 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;@2ec8c3a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-16 12:27:06,592 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-16 12:27:06,612 INFO L276 IsEmpty]: Start isEmpty. Operand has 4091 states, 2725 states have (on average 1.3225688073394495) internal successors, (3604), 2828 states have internal predecessors, (3604), 1157 states have call successors, (1157), 208 states have call predecessors, (1157), 207 states have return successors, (1151), 1142 states have call predecessors, (1151), 1151 states have call successors, (1151) [2022-11-16 12:27:06,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2022-11-16 12:27:06,634 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:27:06,635 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:27:06,635 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 12:27:06,642 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:27:06,642 INFO L85 PathProgramCache]: Analyzing trace with hash -1755653581, now seen corresponding path program 1 times [2022-11-16 12:27:06,654 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:27:06,655 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2084193344] [2022-11-16 12:27:06,655 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:27:06,656 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:27:07,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:27:08,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 12:27:08,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:27:08,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:27:08,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:27:08,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 12:27:08,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:27:08,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-11-16 12:27:08,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:27:08,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-16 12:27:08,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:27:08,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-16 12:27:08,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:27:08,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2022-11-16 12:27:08,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:27:08,960 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-16 12:27:08,961 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:27:08,961 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2084193344] [2022-11-16 12:27:08,962 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2084193344] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:27:08,963 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:27:08,963 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-16 12:27:08,965 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1272317574] [2022-11-16 12:27:08,966 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:27:08,971 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-16 12:27:08,971 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:27:09,011 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-16 12:27:09,016 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-16 12:27:09,027 INFO L87 Difference]: Start difference. First operand has 4091 states, 2725 states have (on average 1.3225688073394495) internal successors, (3604), 2828 states have internal predecessors, (3604), 1157 states have call successors, (1157), 208 states have call predecessors, (1157), 207 states have return successors, (1151), 1142 states have call predecessors, (1151), 1151 states have call successors, (1151) Second operand has 4 states, 4 states have (on average 10.75) internal successors, (43), 2 states have internal predecessors, (43), 2 states have call successors, (10), 4 states have call predecessors, (10), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-11-16 12:27:34,546 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 [] [2022-11-16 12:27:36,259 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.71s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:27:52,147 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.74s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:27:53,396 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.25s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:27:59,384 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:28:01,787 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:28:03,875 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:28:05,926 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:28:08,285 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.36s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:28:10,618 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:28:13,937 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.62s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:28:18,810 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.50s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:28:20,206 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.40s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:28:21,704 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.50s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:28:23,825 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:28:26,121 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.29s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:28:28,558 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.43s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:28:30,882 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.32s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:28:33,477 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:28:35,494 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:28:38,736 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.48s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:28:40,081 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.34s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:28:42,029 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:28:42,462 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:28:42,462 INFO L93 Difference]: Finished difference Result 8894 states and 13486 transitions. [2022-11-16 12:28:42,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-16 12:28:42,465 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 2 states have internal predecessors, (43), 2 states have call successors, (10), 4 states have call predecessors, (10), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 62 [2022-11-16 12:28:42,465 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:28:42,534 INFO L225 Difference]: With dead ends: 8894 [2022-11-16 12:28:42,534 INFO L226 Difference]: Without dead ends: 4784 [2022-11-16 12:28:42,576 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-16 12:28:42,580 INFO L413 NwaCegarLoop]: 5027 mSDtfsCounter, 1528 mSDsluCounter, 4839 mSDsCounter, 0 mSdLazyCounter, 4150 mSolverCounterSat, 1378 mSolverCounterUnsat, 13 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 88.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1865 SdHoareTripleChecker+Valid, 9866 SdHoareTripleChecker+Invalid, 5541 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 1378 IncrementalHoareTripleChecker+Valid, 4150 IncrementalHoareTripleChecker+Invalid, 13 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 92.5s IncrementalHoareTripleChecker+Time [2022-11-16 12:28:42,581 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1865 Valid, 9866 Invalid, 5541 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [1378 Valid, 4150 Invalid, 13 Unknown, 0 Unchecked, 92.5s Time] [2022-11-16 12:28:42,610 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4784 states. [2022-11-16 12:28:43,010 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4784 to 4068. [2022-11-16 12:28:43,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4068 states, 2710 states have (on average 1.3166051660516604) internal successors, (3568), 2806 states have internal predecessors, (3568), 1151 states have call successors, (1151), 207 states have call predecessors, (1151), 206 states have return successors, (1149), 1140 states have call predecessors, (1149), 1149 states have call successors, (1149) [2022-11-16 12:28:43,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4068 states to 4068 states and 5868 transitions. [2022-11-16 12:28:43,063 INFO L78 Accepts]: Start accepts. Automaton has 4068 states and 5868 transitions. Word has length 62 [2022-11-16 12:28:43,063 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:28:43,064 INFO L495 AbstractCegarLoop]: Abstraction has 4068 states and 5868 transitions. [2022-11-16 12:28:43,064 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 2 states have internal predecessors, (43), 2 states have call successors, (10), 4 states have call predecessors, (10), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-11-16 12:28:43,064 INFO L276 IsEmpty]: Start isEmpty. Operand 4068 states and 5868 transitions. [2022-11-16 12:28:43,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2022-11-16 12:28:43,069 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:28:43,069 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:28:43,069 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-16 12:28:43,070 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 12:28:43,070 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:28:43,070 INFO L85 PathProgramCache]: Analyzing trace with hash 510727605, now seen corresponding path program 1 times [2022-11-16 12:28:43,071 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:28:43,071 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1230100468] [2022-11-16 12:28:43,071 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:28:43,071 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:28:43,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:28:44,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 12:28:44,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:28:44,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:28:44,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:28:44,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 12:28:44,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:28:44,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-11-16 12:28:44,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:28:44,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-16 12:28:44,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:28:44,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-16 12:28:44,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:28:44,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2022-11-16 12:28:44,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:28:44,941 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-16 12:28:44,941 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:28:44,941 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1230100468] [2022-11-16 12:28:44,942 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1230100468] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:28:44,942 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:28:44,942 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-16 12:28:44,943 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1444282555] [2022-11-16 12:28:44,943 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:28:44,945 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-16 12:28:44,945 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:28:44,946 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-16 12:28:44,946 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-16 12:28:44,946 INFO L87 Difference]: Start difference. First operand 4068 states and 5868 transitions. Second operand has 5 states, 5 states have (on average 8.6) internal successors, (43), 3 states have internal predecessors, (43), 2 states have call successors, (10), 4 states have call predecessors, (10), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-11-16 12:29:22,140 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:29:31,744 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:29:43,670 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.54s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:29:45,107 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.44s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:29:48,091 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:29:54,526 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:29:56,644 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:29:58,723 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:30:01,171 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:30:03,446 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:30:05,814 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:30:09,459 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:30:13,167 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:30:15,851 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:30:18,085 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:30:20,497 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.41s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:30:23,240 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:30:25,650 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.41s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:30:28,023 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:30:29,310 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.21s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:30:31,153 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.84s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:30:32,954 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.80s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:30:35,332 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:30:38,370 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:30:40,900 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.50s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:30:42,998 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.51s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:30:44,667 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.67s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:30:45,932 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:30:45,932 INFO L93 Difference]: Finished difference Result 12248 states and 17936 transitions. [2022-11-16 12:30:45,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-16 12:30:45,933 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 3 states have internal predecessors, (43), 2 states have call successors, (10), 4 states have call predecessors, (10), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 62 [2022-11-16 12:30:45,934 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:30:45,998 INFO L225 Difference]: With dead ends: 12248 [2022-11-16 12:30:45,998 INFO L226 Difference]: Without dead ends: 8190 [2022-11-16 12:30:46,023 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-11-16 12:30:46,024 INFO L413 NwaCegarLoop]: 6702 mSDtfsCounter, 7087 mSDsluCounter, 8276 mSDsCounter, 0 mSdLazyCounter, 5978 mSolverCounterSat, 4937 mSolverCounterUnsat, 16 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 114.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7870 SdHoareTripleChecker+Valid, 14978 SdHoareTripleChecker+Invalid, 10931 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 4937 IncrementalHoareTripleChecker+Valid, 5978 IncrementalHoareTripleChecker+Invalid, 16 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 119.9s IncrementalHoareTripleChecker+Time [2022-11-16 12:30:46,025 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7870 Valid, 14978 Invalid, 10931 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [4937 Valid, 5978 Invalid, 16 Unknown, 0 Unchecked, 119.9s Time] [2022-11-16 12:30:46,037 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8190 states. [2022-11-16 12:30:46,393 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8190 to 7057. [2022-11-16 12:30:46,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7057 states, 4680 states have (on average 1.3136752136752137) internal successors, (6148), 4853 states have internal predecessors, (6148), 1992 states have call successors, (1992), 377 states have call predecessors, (1992), 384 states have return successors, (2012), 1980 states have call predecessors, (2012), 1990 states have call successors, (2012) [2022-11-16 12:30:46,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7057 states to 7057 states and 10152 transitions. [2022-11-16 12:30:46,580 INFO L78 Accepts]: Start accepts. Automaton has 7057 states and 10152 transitions. Word has length 62 [2022-11-16 12:30:46,581 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:30:46,581 INFO L495 AbstractCegarLoop]: Abstraction has 7057 states and 10152 transitions. [2022-11-16 12:30:46,582 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 3 states have internal predecessors, (43), 2 states have call successors, (10), 4 states have call predecessors, (10), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-11-16 12:30:46,582 INFO L276 IsEmpty]: Start isEmpty. Operand 7057 states and 10152 transitions. [2022-11-16 12:30:46,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2022-11-16 12:30:46,592 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:30:46,593 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-11-16 12:30:46,593 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-16 12:30:46,594 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 12:30:46,596 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:30:46,597 INFO L85 PathProgramCache]: Analyzing trace with hash -303059957, now seen corresponding path program 1 times [2022-11-16 12:30:46,597 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:30:46,597 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1532793522] [2022-11-16 12:30:46,597 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:30:46,598 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:30:47,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:30:48,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 12:30:48,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:30:48,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:30:48,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:30:48,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 12:30:48,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:30:48,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-11-16 12:30:48,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:30:48,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:30:48,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:30:48,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 12:30:48,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:30:48,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-11-16 12:30:48,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:30:48,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-16 12:30:48,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:30:48,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-11-16 12:30:48,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:30:48,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-11-16 12:30:48,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:30:48,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:30:48,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:30:49,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-11-16 12:30:49,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:30:49,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:30:49,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:30:49,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-16 12:30:49,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:30:49,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:30:49,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:30:49,409 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-16 12:30:49,410 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:30:49,410 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1532793522] [2022-11-16 12:30:49,410 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1532793522] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:30:49,410 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:30:49,410 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-16 12:30:49,410 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1878469233] [2022-11-16 12:30:49,411 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:30:49,411 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-16 12:30:49,411 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:30:49,412 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-16 12:30:49,412 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-11-16 12:30:49,412 INFO L87 Difference]: Start difference. First operand 7057 states and 10152 transitions. Second operand has 7 states, 7 states have (on average 10.0) internal successors, (70), 3 states have internal predecessors, (70), 3 states have call successors, (18), 7 states have call predecessors, (18), 2 states have return successors, (15), 2 states have call predecessors, (15), 1 states have call successors, (15) [2022-11-16 12:31:47,214 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 [] [2022-11-16 12:31:48,272 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:31:49,630 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.36s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:32:21,131 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.37s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:32:22,871 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.74s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:32:24,234 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.36s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:32:34,701 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:32:37,125 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:32:39,201 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:32:41,700 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:32:43,749 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:32:46,146 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:32:52,353 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:32:53,822 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.47s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:33:04,616 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:33:06,476 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.86s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:33:08,489 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:33:15,305 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:33:17,606 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.30s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:33:20,024 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.42s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:33:22,355 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.33s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:33:28,483 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:33:30,509 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:33:38,401 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.69s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:33:39,685 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.28s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:33:41,695 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:33:44,309 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.65s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:33:45,883 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.57s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:33:47,310 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.43s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:33:48,892 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.58s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:33:50,503 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.61s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:33:53,333 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:33:55,933 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.66s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:33:57,941 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:33:59,953 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:34:06,165 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:34:06,165 INFO L93 Difference]: Finished difference Result 10628 states and 15566 transitions. [2022-11-16 12:34:06,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-11-16 12:34:06,166 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.0) internal successors, (70), 3 states have internal predecessors, (70), 3 states have call successors, (18), 7 states have call predecessors, (18), 2 states have return successors, (15), 2 states have call predecessors, (15), 1 states have call successors, (15) Word has length 107 [2022-11-16 12:34:06,167 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:34:06,237 INFO L225 Difference]: With dead ends: 10628 [2022-11-16 12:34:06,238 INFO L226 Difference]: Without dead ends: 10613 [2022-11-16 12:34:06,246 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=73, Invalid=137, Unknown=0, NotChecked=0, Total=210 [2022-11-16 12:34:06,247 INFO L413 NwaCegarLoop]: 3976 mSDtfsCounter, 10918 mSDsluCounter, 7451 mSDsCounter, 0 mSdLazyCounter, 11616 mSolverCounterSat, 8658 mSolverCounterUnsat, 18 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 187.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11294 SdHoareTripleChecker+Valid, 11427 SdHoareTripleChecker+Invalid, 20292 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 8658 IncrementalHoareTripleChecker+Valid, 11616 IncrementalHoareTripleChecker+Invalid, 18 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 194.7s IncrementalHoareTripleChecker+Time [2022-11-16 12:34:06,247 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11294 Valid, 11427 Invalid, 20292 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [8658 Valid, 11616 Invalid, 18 Unknown, 0 Unchecked, 194.7s Time] [2022-11-16 12:34:06,261 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10613 states. [2022-11-16 12:34:06,807 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10613 to 8822. [2022-11-16 12:34:06,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8822 states, 5877 states have (on average 1.306448868470308) internal successors, (7678), 6090 states have internal predecessors, (7678), 2392 states have call successors, (2392), 514 states have call predecessors, (2392), 552 states have return successors, (2490), 2410 states have call predecessors, (2490), 2391 states have call successors, (2490) [2022-11-16 12:34:06,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8822 states to 8822 states and 12560 transitions. [2022-11-16 12:34:06,872 INFO L78 Accepts]: Start accepts. Automaton has 8822 states and 12560 transitions. Word has length 107 [2022-11-16 12:34:06,874 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:34:06,874 INFO L495 AbstractCegarLoop]: Abstraction has 8822 states and 12560 transitions. [2022-11-16 12:34:06,874 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.0) internal successors, (70), 3 states have internal predecessors, (70), 3 states have call successors, (18), 7 states have call predecessors, (18), 2 states have return successors, (15), 2 states have call predecessors, (15), 1 states have call successors, (15) [2022-11-16 12:34:06,875 INFO L276 IsEmpty]: Start isEmpty. Operand 8822 states and 12560 transitions. [2022-11-16 12:34:06,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 297 [2022-11-16 12:34:06,909 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:34:06,909 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:34:06,909 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-16 12:34:06,910 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 12:34:06,910 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:34:06,910 INFO L85 PathProgramCache]: Analyzing trace with hash 1989623848, now seen corresponding path program 1 times [2022-11-16 12:34:06,911 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:34:06,911 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1320627348] [2022-11-16 12:34:06,911 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:34:06,911 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:34:07,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:34:07,691 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:34:07,691 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1320627348] [2022-11-16 12:34:07,692 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2022-11-16 12:34:07,692 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [481211394] [2022-11-16 12:34:07,692 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:34:07,693 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 12:34:07,693 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7454b02-fb00-4c19-9565-c36aebfe06c5/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:34:07,696 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7454b02-fb00-4c19-9565-c36aebfe06c5/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 12:34:07,739 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7454b02-fb00-4c19-9565-c36aebfe06c5/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-16 12:34:11,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:34:11,322 INFO L263 TraceCheckSpWp]: Trace formula consists of 11872 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-16 12:34:11,344 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:34:11,489 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2022-11-16 12:34:11,489 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-16 12:34:11,490 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [481211394] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:34:11,490 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:34:11,490 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-16 12:34:11,490 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [279310638] [2022-11-16 12:34:11,490 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:34:11,491 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 12:34:11,492 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:34:11,492 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 12:34:11,492 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 12:34:11,492 INFO L87 Difference]: Start difference. First operand 8822 states and 12560 transitions. Second operand has 3 states, 3 states have (on average 64.0) internal successors, (192), 3 states have internal predecessors, (192), 2 states have call successors, (41), 2 states have call predecessors, (41), 2 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2022-11-16 12:34:12,080 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:34:12,080 INFO L93 Difference]: Finished difference Result 17986 states and 25682 transitions. [2022-11-16 12:34:12,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 12:34:12,081 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 64.0) internal successors, (192), 3 states have internal predecessors, (192), 2 states have call successors, (41), 2 states have call predecessors, (41), 2 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) Word has length 296 [2022-11-16 12:34:12,082 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:34:12,143 INFO L225 Difference]: With dead ends: 17986 [2022-11-16 12:34:12,143 INFO L226 Difference]: Without dead ends: 9174 [2022-11-16 12:34:12,198 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 295 GetRequests, 294 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 12:34:12,201 INFO L413 NwaCegarLoop]: 6147 mSDtfsCounter, 342 mSDsluCounter, 5688 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 458 SdHoareTripleChecker+Valid, 11835 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-16 12:34:12,202 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [458 Valid, 11835 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-16 12:34:12,215 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9174 states. [2022-11-16 12:34:12,792 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9174 to 8825. [2022-11-16 12:34:12,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8825 states, 5880 states have (on average 1.3061224489795917) internal successors, (7680), 6093 states have internal predecessors, (7680), 2392 states have call successors, (2392), 514 states have call predecessors, (2392), 552 states have return successors, (2490), 2410 states have call predecessors, (2490), 2391 states have call successors, (2490) [2022-11-16 12:34:12,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8825 states to 8825 states and 12562 transitions. [2022-11-16 12:34:12,861 INFO L78 Accepts]: Start accepts. Automaton has 8825 states and 12562 transitions. Word has length 296 [2022-11-16 12:34:12,863 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:34:12,863 INFO L495 AbstractCegarLoop]: Abstraction has 8825 states and 12562 transitions. [2022-11-16 12:34:12,863 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 64.0) internal successors, (192), 3 states have internal predecessors, (192), 2 states have call successors, (41), 2 states have call predecessors, (41), 2 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2022-11-16 12:34:12,864 INFO L276 IsEmpty]: Start isEmpty. Operand 8825 states and 12562 transitions. [2022-11-16 12:34:12,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 305 [2022-11-16 12:34:12,891 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:34:12,892 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:34:12,935 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7454b02-fb00-4c19-9565-c36aebfe06c5/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-16 12:34:13,107 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7454b02-fb00-4c19-9565-c36aebfe06c5/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 12:34:13,108 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 12:34:13,108 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:34:13,108 INFO L85 PathProgramCache]: Analyzing trace with hash -1421136420, now seen corresponding path program 1 times [2022-11-16 12:34:13,108 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:34:13,108 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [888490552] [2022-11-16 12:34:13,109 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:34:13,109 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:34:13,583 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-16 12:34:13,583 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1843410176] [2022-11-16 12:34:13,583 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:34:13,584 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 12:34:13,584 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7454b02-fb00-4c19-9565-c36aebfe06c5/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:34:13,585 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7454b02-fb00-4c19-9565-c36aebfe06c5/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 12:34:13,615 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7454b02-fb00-4c19-9565-c36aebfe06c5/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-16 12:34:17,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:34:17,192 INFO L263 TraceCheckSpWp]: Trace formula consists of 11912 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-16 12:34:17,204 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:34:17,622 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2022-11-16 12:34:17,622 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-16 12:34:17,622 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:34:17,622 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [888490552] [2022-11-16 12:34:17,622 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-16 12:34:17,623 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1843410176] [2022-11-16 12:34:17,623 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1843410176] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:34:17,623 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:34:17,623 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-16 12:34:17,623 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [65547782] [2022-11-16 12:34:17,624 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:34:17,624 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 12:34:17,625 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:34:17,625 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 12:34:17,625 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 12:34:17,625 INFO L87 Difference]: Start difference. First operand 8825 states and 12562 transitions. Second operand has 3 states, 3 states have (on average 64.66666666666667) internal successors, (194), 3 states have internal predecessors, (194), 3 states have call successors, (42), 2 states have call predecessors, (42), 2 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) [2022-11-16 12:34:18,126 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:34:18,126 INFO L93 Difference]: Finished difference Result 17738 states and 25269 transitions. [2022-11-16 12:34:18,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 12:34:18,127 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 64.66666666666667) internal successors, (194), 3 states have internal predecessors, (194), 3 states have call successors, (42), 2 states have call predecessors, (42), 2 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) Word has length 304 [2022-11-16 12:34:18,128 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:34:18,180 INFO L225 Difference]: With dead ends: 17738 [2022-11-16 12:34:18,181 INFO L226 Difference]: Without dead ends: 8923 [2022-11-16 12:34:18,217 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 303 GetRequests, 302 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 12:34:18,218 INFO L413 NwaCegarLoop]: 5916 mSDtfsCounter, 86 mSDsluCounter, 5798 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 101 SdHoareTripleChecker+Valid, 11714 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-16 12:34:18,219 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [101 Valid, 11714 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-16 12:34:18,234 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8923 states. [2022-11-16 12:34:18,698 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8923 to 8869. [2022-11-16 12:34:18,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8869 states, 5922 states have (on average 1.3066531577169875) internal successors, (7738), 6135 states have internal predecessors, (7738), 2394 states have call successors, (2394), 514 states have call predecessors, (2394), 552 states have return successors, (2492), 2412 states have call predecessors, (2492), 2393 states have call successors, (2492) [2022-11-16 12:34:18,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8869 states to 8869 states and 12624 transitions. [2022-11-16 12:34:18,764 INFO L78 Accepts]: Start accepts. Automaton has 8869 states and 12624 transitions. Word has length 304 [2022-11-16 12:34:18,766 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:34:18,766 INFO L495 AbstractCegarLoop]: Abstraction has 8869 states and 12624 transitions. [2022-11-16 12:34:18,767 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 64.66666666666667) internal successors, (194), 3 states have internal predecessors, (194), 3 states have call successors, (42), 2 states have call predecessors, (42), 2 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) [2022-11-16 12:34:18,767 INFO L276 IsEmpty]: Start isEmpty. Operand 8869 states and 12624 transitions. [2022-11-16 12:34:18,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 299 [2022-11-16 12:34:18,893 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:34:18,893 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:34:18,927 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7454b02-fb00-4c19-9565-c36aebfe06c5/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-16 12:34:19,120 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7454b02-fb00-4c19-9565-c36aebfe06c5/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 12:34:19,120 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 12:34:19,121 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:34:19,121 INFO L85 PathProgramCache]: Analyzing trace with hash -1512264661, now seen corresponding path program 1 times [2022-11-16 12:34:19,121 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:34:19,121 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [553835256] [2022-11-16 12:34:19,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:34:19,122 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:34:19,561 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-16 12:34:19,561 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [871837910] [2022-11-16 12:34:19,562 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:34:19,562 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 12:34:19,562 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7454b02-fb00-4c19-9565-c36aebfe06c5/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:34:19,563 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7454b02-fb00-4c19-9565-c36aebfe06c5/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 12:34:19,587 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7454b02-fb00-4c19-9565-c36aebfe06c5/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-16 12:34:23,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:34:23,074 INFO L263 TraceCheckSpWp]: Trace formula consists of 11894 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-16 12:34:23,089 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:34:23,398 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2022-11-16 12:34:23,398 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-16 12:34:23,398 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:34:23,398 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [553835256] [2022-11-16 12:34:23,399 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-16 12:34:23,399 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [871837910] [2022-11-16 12:34:23,399 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [871837910] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:34:23,399 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:34:23,400 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-16 12:34:23,400 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2097719916] [2022-11-16 12:34:23,400 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:34:23,401 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-16 12:34:23,401 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:34:23,402 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-16 12:34:23,402 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-16 12:34:23,402 INFO L87 Difference]: Start difference. First operand 8869 states and 12624 transitions. Second operand has 4 states, 4 states have (on average 48.25) internal successors, (193), 4 states have internal predecessors, (193), 3 states have call successors, (41), 2 states have call predecessors, (41), 3 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) [2022-11-16 12:34:24,331 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:34:24,331 INFO L93 Difference]: Finished difference Result 17740 states and 25277 transitions. [2022-11-16 12:34:24,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-16 12:34:24,332 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 48.25) internal successors, (193), 4 states have internal predecessors, (193), 3 states have call successors, (41), 2 states have call predecessors, (41), 3 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) Word has length 298 [2022-11-16 12:34:24,333 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:34:24,378 INFO L225 Difference]: With dead ends: 17740 [2022-11-16 12:34:24,378 INFO L226 Difference]: Without dead ends: 8881 [2022-11-16 12:34:24,411 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 298 GetRequests, 295 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-16 12:34:24,413 INFO L413 NwaCegarLoop]: 5847 mSDtfsCounter, 7 mSDsluCounter, 11683 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 17530 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-16 12:34:24,413 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 17530 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-16 12:34:24,426 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8881 states. [2022-11-16 12:34:24,847 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8881 to 8875. [2022-11-16 12:34:24,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8875 states, 5926 states have (on average 1.3064461694228822) internal successors, (7742), 6141 states have internal predecessors, (7742), 2394 states have call successors, (2394), 514 states have call predecessors, (2394), 554 states have return successors, (2494), 2412 states have call predecessors, (2494), 2393 states have call successors, (2494) [2022-11-16 12:34:24,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8875 states to 8875 states and 12630 transitions. [2022-11-16 12:34:24,917 INFO L78 Accepts]: Start accepts. Automaton has 8875 states and 12630 transitions. Word has length 298 [2022-11-16 12:34:24,918 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:34:24,918 INFO L495 AbstractCegarLoop]: Abstraction has 8875 states and 12630 transitions. [2022-11-16 12:34:24,918 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 48.25) internal successors, (193), 4 states have internal predecessors, (193), 3 states have call successors, (41), 2 states have call predecessors, (41), 3 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) [2022-11-16 12:34:24,919 INFO L276 IsEmpty]: Start isEmpty. Operand 8875 states and 12630 transitions. [2022-11-16 12:34:24,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 308 [2022-11-16 12:34:24,945 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:34:24,947 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:34:24,982 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7454b02-fb00-4c19-9565-c36aebfe06c5/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-16 12:34:25,171 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7454b02-fb00-4c19-9565-c36aebfe06c5/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 12:34:25,171 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 12:34:25,171 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:34:25,172 INFO L85 PathProgramCache]: Analyzing trace with hash 902753137, now seen corresponding path program 1 times [2022-11-16 12:34:25,172 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:34:25,172 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [851304148] [2022-11-16 12:34:25,172 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:34:25,172 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:34:25,603 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-16 12:34:25,604 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1792309718] [2022-11-16 12:34:25,604 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:34:25,604 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 12:34:25,604 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7454b02-fb00-4c19-9565-c36aebfe06c5/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:34:25,605 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7454b02-fb00-4c19-9565-c36aebfe06c5/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 12:34:25,612 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a7454b02-fb00-4c19-9565-c36aebfe06c5/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-16 12:34:29,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:34:29,317 INFO L263 TraceCheckSpWp]: Trace formula consists of 11935 conjuncts, 64 conjunts are in the unsatisfiable core [2022-11-16 12:34:29,334 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:34:29,420 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-16 12:34:29,698 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 7 treesize of output 6 [2022-11-16 12:34:33,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 12:34:33,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 12:34:33,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 12:34:33,615 INFO L321 Elim1Store]: treesize reduction 33, result has 40.0 percent of original size [2022-11-16 12:34:33,615 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 23 treesize of output 38 [2022-11-16 12:34:33,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 12:34:33,650 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 15 [2022-11-16 12:34:34,948 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 5 treesize of output 3 [2022-11-16 12:34:34,975 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 6 treesize of output 4 [2022-11-16 12:34:35,486 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 5 treesize of output 3 [2022-11-16 12:34:35,661 WARN L855 $PredicateComparison]: unable to prove that (exists ((v_ArrVal_9576 (Array Int Int))) (= (store |c_old(#memory_int)| |c_#Ultimate.meminit_#ptr.base| v_ArrVal_9576) |c_#memory_int|)) is different from true [2022-11-16 12:34:36,025 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 6 treesize of output 5 [2022-11-16 12:34:36,044 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 5 treesize of output 3 [2022-11-16 12:34:36,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 12:34:36,292 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 15 [2022-11-16 12:34:36,410 INFO L321 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-11-16 12:34:36,411 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 11 treesize of output 11 [2022-11-16 12:34:36,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 12:34:36,902 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 15 [2022-11-16 12:34:40,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 12:34:40,088 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 15 [2022-11-16 12:34:40,459 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 16 treesize of output 12 [2022-11-16 12:34:41,554 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 19 proven. 19 refuted. 0 times theorem prover too weak. 34 trivial. 2 not checked. [2022-11-16 12:34:41,554 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-16 12:34:43,567 WARN L833 $PredicateComparison]: unable to prove that (or (forall ((|ULTIMATE.start_probe_~id#1.offset| Int) (v_ArrVal_9582 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_print_id___0_~#buffer~4#1.base| v_ArrVal_9582) |c_ULTIMATE.start_probe_~id#1.base|) (+ |ULTIMATE.start_probe_~id#1.offset| 17)) 2)) (= (mod (+ |c_ULTIMATE.start_probe_~hw~3#1.base| |c_ULTIMATE.start_probe_~hw~3#1.offset|) 18446744073709551616) 0)) is different from false [2022-11-16 12:34:43,639 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:34:43,639 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [851304148] [2022-11-16 12:34:43,640 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-16 12:34:43,640 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1792309718] [2022-11-16 12:34:43,640 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1792309718] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-16 12:34:43,640 INFO L184 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2022-11-16 12:34:43,640 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26] total 26 [2022-11-16 12:34:43,640 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1483904662] [2022-11-16 12:34:43,640 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2022-11-16 12:34:43,641 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-11-16 12:34:43,641 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:34:43,642 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-11-16 12:34:43,642 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=122, Invalid=631, Unknown=11, NotChecked=106, Total=870 [2022-11-16 12:34:43,643 INFO L87 Difference]: Start difference. First operand 8875 states and 12630 transitions. Second operand has 26 states, 24 states have (on average 8.75) internal successors, (210), 21 states have internal predecessors, (210), 12 states have call successors, (44), 8 states have call predecessors, (44), 9 states have return successors, (36), 12 states have call predecessors, (36), 12 states have call successors, (36) [2022-11-16 12:36:12,621 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.29s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:36:14,080 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.46s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:36:16,092 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 12:36:17,473 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 []