./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.0/usb_urb-drivers-net-usb-catc.ko.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6b4ec56b Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b89921c5-e1b1-4abe-b4b2-d623edf2eebe/bin/uautomizer-ug76WZFUDN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b89921c5-e1b1-4abe-b4b2-d623edf2eebe/bin/uautomizer-ug76WZFUDN/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b89921c5-e1b1-4abe-b4b2-d623edf2eebe/bin/uautomizer-ug76WZFUDN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b89921c5-e1b1-4abe-b4b2-d623edf2eebe/bin/uautomizer-ug76WZFUDN/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.0/usb_urb-drivers-net-usb-catc.ko.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b89921c5-e1b1-4abe-b4b2-d623edf2eebe/bin/uautomizer-ug76WZFUDN/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b89921c5-e1b1-4abe-b4b2-d623edf2eebe/bin/uautomizer-ug76WZFUDN --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 70a2ace6fc40caa55e586c636402c0a5dfab1c8b77b7cf0fdf6a2120173a773c --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-6b4ec56 [2022-11-20 10:47:13,562 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 10:47:13,565 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 10:47:13,601 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 10:47:13,602 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 10:47:13,604 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 10:47:13,606 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 10:47:13,610 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 10:47:13,615 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 10:47:13,619 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 10:47:13,621 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 10:47:13,623 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 10:47:13,625 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 10:47:13,628 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 10:47:13,630 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 10:47:13,632 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 10:47:13,633 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 10:47:13,636 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 10:47:13,640 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 10:47:13,645 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 10:47:13,650 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 10:47:13,651 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 10:47:13,652 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 10:47:13,653 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 10:47:13,656 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 10:47:13,657 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 10:47:13,657 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 10:47:13,658 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 10:47:13,658 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 10:47:13,659 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 10:47:13,659 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 10:47:13,660 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 10:47:13,661 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 10:47:13,662 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 10:47:13,666 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 10:47:13,668 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 10:47:13,668 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 10:47:13,669 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 10:47:13,669 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 10:47:13,672 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 10:47:13,672 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 10:47:13,673 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b89921c5-e1b1-4abe-b4b2-d623edf2eebe/bin/uautomizer-ug76WZFUDN/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-11-20 10:47:13,718 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 10:47:13,719 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 10:47:13,719 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 10:47:13,719 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 10:47:13,720 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 10:47:13,720 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 10:47:13,721 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 10:47:13,721 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 10:47:13,722 INFO L138 SettingsManager]: * Use SBE=true [2022-11-20 10:47:13,722 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 10:47:13,723 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 10:47:13,723 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 10:47:13,724 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 10:47:13,724 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 10:47:13,724 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 10:47:13,724 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 10:47:13,725 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 10:47:13,725 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 10:47:13,725 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 10:47:13,725 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-20 10:47:13,726 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 10:47:13,726 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 10:47:13,726 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 10:47:13,726 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 10:47:13,727 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 10:47:13,727 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-20 10:47:13,727 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 10:47:13,727 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-20 10:47:13,728 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-20 10:47:13,728 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 10:47:13,728 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_b89921c5-e1b1-4abe-b4b2-d623edf2eebe/bin/uautomizer-ug76WZFUDN/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b89921c5-e1b1-4abe-b4b2-d623edf2eebe/bin/uautomizer-ug76WZFUDN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 70a2ace6fc40caa55e586c636402c0a5dfab1c8b77b7cf0fdf6a2120173a773c [2022-11-20 10:47:14,039 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 10:47:14,060 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 10:47:14,063 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 10:47:14,064 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 10:47:14,065 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 10:47:14,066 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b89921c5-e1b1-4abe-b4b2-d623edf2eebe/bin/uautomizer-ug76WZFUDN/../../sv-benchmarks/c/ldv-linux-3.0/usb_urb-drivers-net-usb-catc.ko.cil.out.i [2022-11-20 10:47:17,138 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 10:47:17,640 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 10:47:17,641 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b89921c5-e1b1-4abe-b4b2-d623edf2eebe/sv-benchmarks/c/ldv-linux-3.0/usb_urb-drivers-net-usb-catc.ko.cil.out.i [2022-11-20 10:47:17,687 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b89921c5-e1b1-4abe-b4b2-d623edf2eebe/bin/uautomizer-ug76WZFUDN/data/2f7704df9/58882c428e5141c6b2e8ff0cf4d416e2/FLAGce19509c9 [2022-11-20 10:47:17,708 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b89921c5-e1b1-4abe-b4b2-d623edf2eebe/bin/uautomizer-ug76WZFUDN/data/2f7704df9/58882c428e5141c6b2e8ff0cf4d416e2 [2022-11-20 10:47:17,711 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 10:47:17,712 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 10:47:17,713 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 10:47:17,714 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 10:47:17,718 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 10:47:17,720 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:47:17" (1/1) ... [2022-11-20 10:47:17,722 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@33f4e776 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:47:17, skipping insertion in model container [2022-11-20 10:47:17,723 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:47:17" (1/1) ... [2022-11-20 10:47:17,731 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 10:47:17,872 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 10:47:19,158 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b89921c5-e1b1-4abe-b4b2-d623edf2eebe/sv-benchmarks/c/ldv-linux-3.0/usb_urb-drivers-net-usb-catc.ko.cil.out.i[199632,199645] [2022-11-20 10:47:19,215 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 10:47:19,268 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 10:47:19,516 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b89921c5-e1b1-4abe-b4b2-d623edf2eebe/sv-benchmarks/c/ldv-linux-3.0/usb_urb-drivers-net-usb-catc.ko.cil.out.i[199632,199645] [2022-11-20 10:47:19,536 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 10:47:19,981 INFO L208 MainTranslator]: Completed translation [2022-11-20 10:47:19,982 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:47:19 WrapperNode [2022-11-20 10:47:19,984 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 10:47:19,985 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 10:47:19,986 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 10:47:19,986 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 10:47:19,994 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:47:19" (1/1) ... [2022-11-20 10:47:20,052 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:47:19" (1/1) ... [2022-11-20 10:47:20,175 INFO L138 Inliner]: procedures = 142, calls = 839, calls flagged for inlining = 59, calls inlined = 40, statements flattened = 1682 [2022-11-20 10:47:20,176 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 10:47:20,176 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 10:47:20,176 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 10:47:20,177 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 10:47:20,188 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:47:19" (1/1) ... [2022-11-20 10:47:20,188 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:47:19" (1/1) ... [2022-11-20 10:47:20,209 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:47:19" (1/1) ... [2022-11-20 10:47:20,226 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:47:19" (1/1) ... [2022-11-20 10:47:20,308 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:47:19" (1/1) ... [2022-11-20 10:47:20,330 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:47:19" (1/1) ... [2022-11-20 10:47:20,343 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:47:19" (1/1) ... [2022-11-20 10:47:20,349 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:47:19" (1/1) ... [2022-11-20 10:47:20,366 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 10:47:20,410 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 10:47:20,410 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 10:47:20,410 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 10:47:20,411 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:47:19" (1/1) ... [2022-11-20 10:47:20,417 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 10:47:20,427 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b89921c5-e1b1-4abe-b4b2-d623edf2eebe/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:47:20,441 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b89921c5-e1b1-4abe-b4b2-d623edf2eebe/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-20 10:47:20,468 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b89921c5-e1b1-4abe-b4b2-d623edf2eebe/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-20 10:47:20,488 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-11-20 10:47:20,488 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-11-20 10:47:20,488 INFO L130 BoogieDeclarations]: Found specification of procedure catc_tx_run [2022-11-20 10:47:20,489 INFO L138 BoogieDeclarations]: Found implementation of procedure catc_tx_run [2022-11-20 10:47:20,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-20 10:47:20,489 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2022-11-20 10:47:20,489 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2022-11-20 10:47:20,489 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-20 10:47:20,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-20 10:47:20,489 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-20 10:47:20,489 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2022-11-20 10:47:20,490 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2022-11-20 10:47:20,490 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-11-20 10:47:20,490 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-11-20 10:47:20,490 INFO L130 BoogieDeclarations]: Found specification of procedure catc_ctrl_run [2022-11-20 10:47:20,490 INFO L138 BoogieDeclarations]: Found implementation of procedure catc_ctrl_run [2022-11-20 10:47:20,490 INFO L130 BoogieDeclarations]: Found specification of procedure catc_get_drvinfo [2022-11-20 10:47:20,490 INFO L138 BoogieDeclarations]: Found implementation of procedure catc_get_drvinfo [2022-11-20 10:47:20,490 INFO L130 BoogieDeclarations]: Found specification of procedure catc_ctrl_msg [2022-11-20 10:47:20,491 INFO L138 BoogieDeclarations]: Found implementation of procedure catc_ctrl_msg [2022-11-20 10:47:20,491 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-20 10:47:20,491 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-20 10:47:20,491 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2022-11-20 10:47:20,491 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2022-11-20 10:47:20,491 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-20 10:47:20,491 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-20 10:47:20,491 INFO L130 BoogieDeclarations]: Found specification of procedure catc_multicast [2022-11-20 10:47:20,492 INFO L138 BoogieDeclarations]: Found implementation of procedure catc_multicast [2022-11-20 10:47:20,492 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2022-11-20 10:47:20,492 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2022-11-20 10:47:20,492 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-20 10:47:20,492 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_bulk_urb [2022-11-20 10:47:20,492 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_bulk_urb [2022-11-20 10:47:20,493 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume_stop [2022-11-20 10:47:20,493 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume_stop [2022-11-20 10:47:20,494 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value [2022-11-20 10:47:20,494 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value [2022-11-20 10:47:20,494 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-11-20 10:47:20,495 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-11-20 10:47:20,495 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-20 10:47:20,495 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-20 10:47:20,495 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-11-20 10:47:20,495 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-11-20 10:47:20,495 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-20 10:47:20,495 INFO L130 BoogieDeclarations]: Found specification of procedure crc32_le [2022-11-20 10:47:20,496 INFO L138 BoogieDeclarations]: Found implementation of procedure crc32_le [2022-11-20 10:47:20,496 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-11-20 10:47:20,496 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-11-20 10:47:20,496 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-11-20 10:47:20,496 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-11-20 10:47:20,496 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 10:47:20,496 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 10:47:20,497 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-20 10:47:20,497 INFO L130 BoogieDeclarations]: Found specification of procedure catc_ctrl_async [2022-11-20 10:47:20,497 INFO L138 BoogieDeclarations]: Found implementation of procedure catc_ctrl_async [2022-11-20 10:47:20,497 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-20 10:47:20,497 INFO L130 BoogieDeclarations]: Found specification of procedure catc_exit [2022-11-20 10:47:20,498 INFO L138 BoogieDeclarations]: Found implementation of procedure catc_exit [2022-11-20 10:47:20,498 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2022-11-20 10:47:20,498 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2022-11-20 10:47:20,498 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2022-11-20 10:47:20,498 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2022-11-20 10:47:20,499 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-11-20 10:47:20,499 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-11-20 10:47:20,499 INFO L130 BoogieDeclarations]: Found specification of procedure catc_init [2022-11-20 10:47:20,499 INFO L138 BoogieDeclarations]: Found implementation of procedure catc_init [2022-11-20 10:47:20,499 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_blast_assert [2022-11-20 10:47:20,499 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_blast_assert [2022-11-20 10:47:20,500 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 10:47:20,500 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-20 10:47:20,500 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2022-11-20 10:47:20,500 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2022-11-20 10:47:20,500 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2022-11-20 10:47:20,500 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2022-11-20 10:47:20,500 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-11-20 10:47:20,501 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-11-20 10:47:20,501 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2022-11-20 10:47:20,501 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2022-11-20 10:47:20,501 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-11-20 10:47:20,502 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-11-20 10:47:20,502 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undefined_pointer [2022-11-20 10:47:20,502 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undefined_pointer [2022-11-20 10:47:20,502 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 10:47:20,502 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2022-11-20 10:47:20,503 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2022-11-20 10:47:20,503 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-20 10:47:20,503 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2022-11-20 10:47:20,503 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 10:47:20,504 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 10:47:21,042 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 10:47:21,045 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 10:47:21,903 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_assume_stopFINAL: assume true; [2022-11-20 10:47:21,976 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-11-20 10:47:21,991 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-11-20 10:47:23,403 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##191: assume false; [2022-11-20 10:47:23,404 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##192: assume !false; [2022-11-20 10:47:23,404 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##38: assume !false; [2022-11-20 10:47:23,404 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##37: assume false; [2022-11-20 10:47:23,446 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 10:47:23,456 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 10:47:23,457 INFO L300 CfgBuilder]: Removed 30 assume(true) statements. [2022-11-20 10:47:23,460 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:47:23 BoogieIcfgContainer [2022-11-20 10:47:23,460 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 10:47:23,463 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-20 10:47:23,463 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-20 10:47:23,467 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-20 10:47:23,467 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 10:47:17" (1/3) ... [2022-11-20 10:47:23,468 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5383fa1f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 10:47:23, skipping insertion in model container [2022-11-20 10:47:23,468 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:47:19" (2/3) ... [2022-11-20 10:47:23,469 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5383fa1f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 10:47:23, skipping insertion in model container [2022-11-20 10:47:23,469 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:47:23" (3/3) ... [2022-11-20 10:47:23,471 INFO L112 eAbstractionObserver]: Analyzing ICFG usb_urb-drivers-net-usb-catc.ko.cil.out.i [2022-11-20 10:47:23,492 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-20 10:47:23,492 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-20 10:47:23,560 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-20 10:47:23,567 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;@4eeddcb4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-20 10:47:23,568 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-20 10:47:23,574 INFO L276 IsEmpty]: Start isEmpty. Operand has 546 states, 387 states have (on average 1.3875968992248062) internal successors, (537), 400 states have internal predecessors, (537), 122 states have call successors, (122), 36 states have call predecessors, (122), 35 states have return successors, (121), 120 states have call predecessors, (121), 121 states have call successors, (121) [2022-11-20 10:47:23,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-11-20 10:47:23,584 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:47:23,584 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:47:23,585 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 10:47:23,590 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:47:23,591 INFO L85 PathProgramCache]: Analyzing trace with hash 1954467303, now seen corresponding path program 1 times [2022-11-20 10:47:23,601 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:47:23,601 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [481355798] [2022-11-20 10:47:23,602 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:47:23,602 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:47:23,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:47:24,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-20 10:47:24,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:47:24,268 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 10:47:24,269 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:47:24,269 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [481355798] [2022-11-20 10:47:24,270 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [481355798] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:47:24,270 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:47:24,271 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 10:47:24,273 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [187744158] [2022-11-20 10:47:24,274 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:47:24,278 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 10:47:24,279 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:47:24,312 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 10:47:24,313 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:47:24,318 INFO L87 Difference]: Start difference. First operand has 546 states, 387 states have (on average 1.3875968992248062) internal successors, (537), 400 states have internal predecessors, (537), 122 states have call successors, (122), 36 states have call predecessors, (122), 35 states have return successors, (121), 120 states have call predecessors, (121), 121 states have call successors, (121) Second operand has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-20 10:47:24,626 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:47:24,630 INFO L93 Difference]: Finished difference Result 1598 states and 2382 transitions. [2022-11-20 10:47:24,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 10:47:24,633 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 17 [2022-11-20 10:47:24,633 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:47:24,652 INFO L225 Difference]: With dead ends: 1598 [2022-11-20 10:47:24,652 INFO L226 Difference]: Without dead ends: 1057 [2022-11-20 10:47:24,660 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:47:24,663 INFO L413 NwaCegarLoop]: 1000 mSDtfsCounter, 701 mSDsluCounter, 690 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 701 SdHoareTripleChecker+Valid, 1690 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 10:47:24,665 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [701 Valid, 1690 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 10:47:24,690 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1057 states. [2022-11-20 10:47:24,855 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1057 to 1054. [2022-11-20 10:47:24,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1054 states, 748 states have (on average 1.2245989304812834) internal successors, (916), 761 states have internal predecessors, (916), 238 states have call successors, (238), 68 states have call predecessors, (238), 67 states have return successors, (239), 233 states have call predecessors, (239), 235 states have call successors, (239) [2022-11-20 10:47:24,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1054 states to 1054 states and 1393 transitions. [2022-11-20 10:47:24,875 INFO L78 Accepts]: Start accepts. Automaton has 1054 states and 1393 transitions. Word has length 17 [2022-11-20 10:47:24,875 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:47:24,875 INFO L495 AbstractCegarLoop]: Abstraction has 1054 states and 1393 transitions. [2022-11-20 10:47:24,876 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-20 10:47:24,876 INFO L276 IsEmpty]: Start isEmpty. Operand 1054 states and 1393 transitions. [2022-11-20 10:47:24,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-20 10:47:24,877 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:47:24,877 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:47:24,878 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-20 10:47:24,878 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 10:47:24,880 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:47:24,880 INFO L85 PathProgramCache]: Analyzing trace with hash 458684784, now seen corresponding path program 1 times [2022-11-20 10:47:24,880 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:47:24,881 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [465558678] [2022-11-20 10:47:24,882 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:47:24,882 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:47:25,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:47:25,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-20 10:47:25,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:47:25,146 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 10:47:25,147 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:47:25,147 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [465558678] [2022-11-20 10:47:25,147 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [465558678] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:47:25,147 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:47:25,147 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 10:47:25,148 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [398380933] [2022-11-20 10:47:25,148 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:47:25,149 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 10:47:25,149 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:47:25,150 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 10:47:25,150 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:47:25,150 INFO L87 Difference]: Start difference. First operand 1054 states and 1393 transitions. Second operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-20 10:47:25,228 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:47:25,228 INFO L93 Difference]: Finished difference Result 1056 states and 1394 transitions. [2022-11-20 10:47:25,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 10:47:25,229 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 18 [2022-11-20 10:47:25,229 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:47:25,239 INFO L225 Difference]: With dead ends: 1056 [2022-11-20 10:47:25,239 INFO L226 Difference]: Without dead ends: 1045 [2022-11-20 10:47:25,243 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:47:25,245 INFO L413 NwaCegarLoop]: 704 mSDtfsCounter, 696 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 696 SdHoareTripleChecker+Valid, 704 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 10:47:25,246 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [696 Valid, 704 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 10:47:25,250 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1045 states. [2022-11-20 10:47:25,330 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1045 to 1045. [2022-11-20 10:47:25,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1045 states, 742 states have (on average 1.2183288409703503) internal successors, (904), 753 states have internal predecessors, (904), 236 states have call successors, (236), 67 states have call predecessors, (236), 66 states have return successors, (238), 232 states have call predecessors, (238), 234 states have call successors, (238) [2022-11-20 10:47:25,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1045 states to 1045 states and 1378 transitions. [2022-11-20 10:47:25,342 INFO L78 Accepts]: Start accepts. Automaton has 1045 states and 1378 transitions. Word has length 18 [2022-11-20 10:47:25,342 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:47:25,342 INFO L495 AbstractCegarLoop]: Abstraction has 1045 states and 1378 transitions. [2022-11-20 10:47:25,343 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-20 10:47:25,343 INFO L276 IsEmpty]: Start isEmpty. Operand 1045 states and 1378 transitions. [2022-11-20 10:47:25,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-11-20 10:47:25,353 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:47:25,353 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:47:25,354 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-20 10:47:25,354 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 10:47:25,360 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:47:25,364 INFO L85 PathProgramCache]: Analyzing trace with hash -171857812, now seen corresponding path program 1 times [2022-11-20 10:47:25,365 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:47:25,365 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2100986348] [2022-11-20 10:47:25,365 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:47:25,366 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:47:25,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:47:25,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-20 10:47:25,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:47:25,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-11-20 10:47:25,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:47:25,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-11-20 10:47:25,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:47:25,673 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 10:47:25,673 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:47:25,674 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2100986348] [2022-11-20 10:47:25,674 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2100986348] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:47:25,674 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:47:25,674 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-20 10:47:25,675 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1328619795] [2022-11-20 10:47:25,675 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:47:25,675 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-20 10:47:25,676 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:47:25,676 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 10:47:25,676 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-20 10:47:25,677 INFO L87 Difference]: Start difference. First operand 1045 states and 1378 transitions. Second operand has 4 states, 4 states have (on average 10.5) internal successors, (42), 3 states have internal predecessors, (42), 2 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-11-20 10:47:27,724 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:47:27,725 INFO L93 Difference]: Finished difference Result 2399 states and 3236 transitions. [2022-11-20 10:47:27,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-20 10:47:27,725 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 3 states have internal predecessors, (42), 2 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 50 [2022-11-20 10:47:27,726 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:47:27,734 INFO L225 Difference]: With dead ends: 2399 [2022-11-20 10:47:27,734 INFO L226 Difference]: Without dead ends: 1366 [2022-11-20 10:47:27,743 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-20 10:47:27,747 INFO L413 NwaCegarLoop]: 610 mSDtfsCounter, 445 mSDsluCounter, 625 mSDsCounter, 0 mSdLazyCounter, 598 mSolverCounterSat, 136 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 556 SdHoareTripleChecker+Valid, 1235 SdHoareTripleChecker+Invalid, 734 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 136 IncrementalHoareTripleChecker+Valid, 598 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-11-20 10:47:27,749 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [556 Valid, 1235 Invalid, 734 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [136 Valid, 598 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-11-20 10:47:27,752 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1366 states. [2022-11-20 10:47:27,844 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1366 to 1344. [2022-11-20 10:47:27,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1344 states, 959 states have (on average 1.2387904066736184) internal successors, (1188), 978 states have internal predecessors, (1188), 318 states have call successors, (318), 67 states have call predecessors, (318), 66 states have return successors, (320), 312 states have call predecessors, (320), 316 states have call successors, (320) [2022-11-20 10:47:27,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1344 states to 1344 states and 1826 transitions. [2022-11-20 10:47:27,856 INFO L78 Accepts]: Start accepts. Automaton has 1344 states and 1826 transitions. Word has length 50 [2022-11-20 10:47:27,857 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:47:27,863 INFO L495 AbstractCegarLoop]: Abstraction has 1344 states and 1826 transitions. [2022-11-20 10:47:27,863 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 3 states have internal predecessors, (42), 2 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-11-20 10:47:27,863 INFO L276 IsEmpty]: Start isEmpty. Operand 1344 states and 1826 transitions. [2022-11-20 10:47:27,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2022-11-20 10:47:27,871 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:47:27,871 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] [2022-11-20 10:47:27,871 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-20 10:47:27,871 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 10:47:27,872 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:47:27,872 INFO L85 PathProgramCache]: Analyzing trace with hash -1473687329, now seen corresponding path program 1 times [2022-11-20 10:47:27,872 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:47:27,872 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [468976499] [2022-11-20 10:47:27,872 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:47:27,873 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:47:27,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:47:28,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-20 10:47:28,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:47:28,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-11-20 10:47:28,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:47:28,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2022-11-20 10:47:28,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:47:28,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2022-11-20 10:47:28,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:47:28,219 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 10:47:28,220 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:47:28,220 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [468976499] [2022-11-20 10:47:28,220 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [468976499] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:47:28,220 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:47:28,220 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-20 10:47:28,221 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1046226285] [2022-11-20 10:47:28,221 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:47:28,221 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-20 10:47:28,221 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:47:28,222 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-20 10:47:28,222 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-20 10:47:28,222 INFO L87 Difference]: Start difference. First operand 1344 states and 1826 transitions. Second operand has 5 states, 5 states have (on average 12.4) internal successors, (62), 4 states have internal predecessors, (62), 3 states have call successors, (6), 3 states have call predecessors, (6), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2022-11-20 10:47:30,536 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:47:30,536 INFO L93 Difference]: Finished difference Result 2715 states and 3694 transitions. [2022-11-20 10:47:30,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-20 10:47:30,537 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.4) internal successors, (62), 4 states have internal predecessors, (62), 3 states have call successors, (6), 3 states have call predecessors, (6), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Word has length 72 [2022-11-20 10:47:30,538 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:47:30,546 INFO L225 Difference]: With dead ends: 2715 [2022-11-20 10:47:30,547 INFO L226 Difference]: Without dead ends: 1372 [2022-11-20 10:47:30,553 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-11-20 10:47:30,554 INFO L413 NwaCegarLoop]: 511 mSDtfsCounter, 201 mSDsluCounter, 1122 mSDsCounter, 0 mSdLazyCounter, 890 mSolverCounterSat, 117 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 217 SdHoareTripleChecker+Valid, 1633 SdHoareTripleChecker+Invalid, 1007 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 117 IncrementalHoareTripleChecker+Valid, 890 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2022-11-20 10:47:30,554 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [217 Valid, 1633 Invalid, 1007 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [117 Valid, 890 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2022-11-20 10:47:30,557 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1372 states. [2022-11-20 10:47:30,661 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1372 to 1344. [2022-11-20 10:47:30,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1344 states, 959 states have (on average 1.2367049009384776) internal successors, (1186), 980 states have internal predecessors, (1186), 317 states have call successors, (317), 68 states have call predecessors, (317), 67 states have return successors, (317), 309 states have call predecessors, (317), 313 states have call successors, (317) [2022-11-20 10:47:30,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1344 states to 1344 states and 1820 transitions. [2022-11-20 10:47:30,677 INFO L78 Accepts]: Start accepts. Automaton has 1344 states and 1820 transitions. Word has length 72 [2022-11-20 10:47:30,677 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:47:30,677 INFO L495 AbstractCegarLoop]: Abstraction has 1344 states and 1820 transitions. [2022-11-20 10:47:30,677 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.4) internal successors, (62), 4 states have internal predecessors, (62), 3 states have call successors, (6), 3 states have call predecessors, (6), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2022-11-20 10:47:30,678 INFO L276 IsEmpty]: Start isEmpty. Operand 1344 states and 1820 transitions. [2022-11-20 10:47:30,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2022-11-20 10:47:30,681 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:47:30,682 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2022-11-20 10:47:30,682 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-20 10:47:30,682 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 10:47:30,683 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:47:30,683 INFO L85 PathProgramCache]: Analyzing trace with hash -1259977704, now seen corresponding path program 1 times [2022-11-20 10:47:30,683 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:47:30,684 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1066644688] [2022-11-20 10:47:30,684 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:47:30,684 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:47:30,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:47:31,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-20 10:47:31,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:47:31,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-11-20 10:47:31,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:47:31,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-11-20 10:47:31,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:47:31,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-11-20 10:47:31,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:47:31,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2022-11-20 10:47:31,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:47:31,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-11-20 10:47:31,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:47:31,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-11-20 10:47:31,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:47:31,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2022-11-20 10:47:31,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:47:31,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 10:47:31,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:47:31,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-11-20 10:47:31,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:47:31,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-11-20 10:47:31,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:47:31,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 10:47:31,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:47:31,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-11-20 10:47:31,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:47:31,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-20 10:47:31,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:47:31,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 10:47:31,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:47:31,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-11-20 10:47:31,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:47:31,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2022-11-20 10:47:31,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:47:31,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 10:47:31,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:47:31,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-11-20 10:47:31,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:47:31,430 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2022-11-20 10:47:31,430 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:47:31,430 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1066644688] [2022-11-20 10:47:31,431 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1066644688] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 10:47:31,431 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1109802007] [2022-11-20 10:47:31,431 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:47:31,431 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 10:47:31,432 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b89921c5-e1b1-4abe-b4b2-d623edf2eebe/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:47:31,438 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b89921c5-e1b1-4abe-b4b2-d623edf2eebe/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 10:47:31,471 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b89921c5-e1b1-4abe-b4b2-d623edf2eebe/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-20 10:47:32,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:47:32,049 INFO L263 TraceCheckSpWp]: Trace formula consists of 1880 conjuncts, 21 conjunts are in the unsatisfiable core [2022-11-20 10:47:32,059 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 10:47:32,186 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 19 treesize of output 7 [2022-11-20 10:47:32,190 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 19 treesize of output 7 [2022-11-20 10:47:32,293 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2022-11-20 10:47:32,294 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 10:47:32,294 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1109802007] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:47:32,295 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-20 10:47:32,295 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [8] total 13 [2022-11-20 10:47:32,295 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2147425895] [2022-11-20 10:47:32,295 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:47:32,297 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-20 10:47:32,298 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:47:32,298 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-20 10:47:32,299 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=132, Unknown=0, NotChecked=0, Total=156 [2022-11-20 10:47:32,299 INFO L87 Difference]: Start difference. First operand 1344 states and 1820 transitions. Second operand has 7 states, 6 states have (on average 11.5) internal successors, (69), 6 states have internal predecessors, (69), 3 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2022-11-20 10:47:34,311 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:47:34,311 INFO L93 Difference]: Finished difference Result 1406 states and 1900 transitions. [2022-11-20 10:47:34,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-20 10:47:34,312 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 11.5) internal successors, (69), 6 states have internal predecessors, (69), 3 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 146 [2022-11-20 10:47:34,312 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:47:34,319 INFO L225 Difference]: With dead ends: 1406 [2022-11-20 10:47:34,320 INFO L226 Difference]: Without dead ends: 1346 [2022-11-20 10:47:34,321 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 191 GetRequests, 178 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=32, Invalid=178, Unknown=0, NotChecked=0, Total=210 [2022-11-20 10:47:34,322 INFO L413 NwaCegarLoop]: 698 mSDtfsCounter, 4 mSDsluCounter, 3229 mSDsCounter, 0 mSdLazyCounter, 282 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 3927 SdHoareTripleChecker+Invalid, 284 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 282 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-11-20 10:47:34,322 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 3927 Invalid, 284 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 282 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-11-20 10:47:34,324 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1346 states. [2022-11-20 10:47:34,434 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1346 to 1344. [2022-11-20 10:47:34,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1344 states, 959 states have (on average 1.2346193952033369) internal successors, (1184), 980 states have internal predecessors, (1184), 317 states have call successors, (317), 68 states have call predecessors, (317), 67 states have return successors, (317), 309 states have call predecessors, (317), 313 states have call successors, (317) [2022-11-20 10:47:34,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1344 states to 1344 states and 1818 transitions. [2022-11-20 10:47:34,446 INFO L78 Accepts]: Start accepts. Automaton has 1344 states and 1818 transitions. Word has length 146 [2022-11-20 10:47:34,447 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:47:34,448 INFO L495 AbstractCegarLoop]: Abstraction has 1344 states and 1818 transitions. [2022-11-20 10:47:34,448 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 11.5) internal successors, (69), 6 states have internal predecessors, (69), 3 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2022-11-20 10:47:34,448 INFO L276 IsEmpty]: Start isEmpty. Operand 1344 states and 1818 transitions. [2022-11-20 10:47:34,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2022-11-20 10:47:34,457 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:47:34,457 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2022-11-20 10:47:34,474 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b89921c5-e1b1-4abe-b4b2-d623edf2eebe/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-20 10:47:34,666 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b89921c5-e1b1-4abe-b4b2-d623edf2eebe/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 10:47:34,666 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 10:47:34,666 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:47:34,667 INFO L85 PathProgramCache]: Analyzing trace with hash -938220554, now seen corresponding path program 1 times [2022-11-20 10:47:34,667 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:47:34,667 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [944344322] [2022-11-20 10:47:34,667 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:47:34,667 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:47:34,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:47:35,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-20 10:47:35,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:47:35,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-11-20 10:47:35,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:47:35,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-11-20 10:47:35,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:47:35,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-11-20 10:47:35,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:47:35,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2022-11-20 10:47:35,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:47:35,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-11-20 10:47:35,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:47:35,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-11-20 10:47:35,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:47:35,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2022-11-20 10:47:35,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:47:35,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 10:47:35,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:47:35,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-11-20 10:47:35,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:47:35,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-11-20 10:47:35,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:47:35,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 10:47:35,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:47:35,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-11-20 10:47:35,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:47:35,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-20 10:47:35,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:47:35,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 10:47:35,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:47:35,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-11-20 10:47:35,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:47:35,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2022-11-20 10:47:35,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:47:35,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 10:47:35,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:47:35,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-11-20 10:47:35,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:47:35,397 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2022-11-20 10:47:35,397 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:47:35,398 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [944344322] [2022-11-20 10:47:35,398 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [944344322] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 10:47:35,398 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [715331934] [2022-11-20 10:47:35,398 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:47:35,398 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 10:47:35,399 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b89921c5-e1b1-4abe-b4b2-d623edf2eebe/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:47:35,400 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b89921c5-e1b1-4abe-b4b2-d623edf2eebe/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 10:47:35,422 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b89921c5-e1b1-4abe-b4b2-d623edf2eebe/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-20 10:47:36,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:47:36,035 INFO L263 TraceCheckSpWp]: Trace formula consists of 1885 conjuncts, 29 conjunts are in the unsatisfiable core [2022-11-20 10:47:36,041 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 10:47:36,126 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2022-11-20 10:47:36,132 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 10:47:36,132 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [715331934] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:47:36,132 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-20 10:47:36,133 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [8] total 8 [2022-11-20 10:47:36,133 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1041732288] [2022-11-20 10:47:36,133 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:47:36,134 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-20 10:47:36,134 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:47:36,135 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-20 10:47:36,135 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2022-11-20 10:47:36,136 INFO L87 Difference]: Start difference. First operand 1344 states and 1818 transitions. Second operand has 6 states, 6 states have (on average 12.166666666666666) internal successors, (73), 5 states have internal predecessors, (73), 2 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (13), 3 states have call predecessors, (13), 2 states have call successors, (13) [2022-11-20 10:47:36,322 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:47:36,322 INFO L93 Difference]: Finished difference Result 2699 states and 3655 transitions. [2022-11-20 10:47:36,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-20 10:47:36,323 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.166666666666666) internal successors, (73), 5 states have internal predecessors, (73), 2 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (13), 3 states have call predecessors, (13), 2 states have call successors, (13) Word has length 147 [2022-11-20 10:47:36,325 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:47:36,334 INFO L225 Difference]: With dead ends: 2699 [2022-11-20 10:47:36,334 INFO L226 Difference]: Without dead ends: 1365 [2022-11-20 10:47:36,339 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 191 GetRequests, 182 SyntacticMatches, 2 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2022-11-20 10:47:36,341 INFO L413 NwaCegarLoop]: 709 mSDtfsCounter, 15 mSDsluCounter, 2809 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 3518 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-20 10:47:36,344 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 3518 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-20 10:47:36,346 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1365 states. [2022-11-20 10:47:36,414 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1365 to 1351. [2022-11-20 10:47:36,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1351 states, 964 states have (on average 1.233402489626556) internal successors, (1189), 986 states have internal predecessors, (1189), 317 states have call successors, (317), 68 states have call predecessors, (317), 69 states have return successors, (322), 310 states have call predecessors, (322), 313 states have call successors, (322) [2022-11-20 10:47:36,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1351 states to 1351 states and 1828 transitions. [2022-11-20 10:47:36,433 INFO L78 Accepts]: Start accepts. Automaton has 1351 states and 1828 transitions. Word has length 147 [2022-11-20 10:47:36,434 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:47:36,434 INFO L495 AbstractCegarLoop]: Abstraction has 1351 states and 1828 transitions. [2022-11-20 10:47:36,434 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.166666666666666) internal successors, (73), 5 states have internal predecessors, (73), 2 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (13), 3 states have call predecessors, (13), 2 states have call successors, (13) [2022-11-20 10:47:36,434 INFO L276 IsEmpty]: Start isEmpty. Operand 1351 states and 1828 transitions. [2022-11-20 10:47:36,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2022-11-20 10:47:36,441 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:47:36,441 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2022-11-20 10:47:36,451 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b89921c5-e1b1-4abe-b4b2-d623edf2eebe/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-20 10:47:36,651 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b89921c5-e1b1-4abe-b4b2-d623edf2eebe/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 10:47:36,651 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 10:47:36,652 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:47:36,652 INFO L85 PathProgramCache]: Analyzing trace with hash 1042941525, now seen corresponding path program 1 times [2022-11-20 10:47:36,652 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:47:36,652 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1737738703] [2022-11-20 10:47:36,652 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:47:36,652 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:47:36,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:47:38,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-20 10:47:38,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:47:38,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-11-20 10:47:38,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:47:38,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-11-20 10:47:38,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:47:38,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-11-20 10:47:38,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:47:38,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2022-11-20 10:47:38,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:47:38,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-11-20 10:47:38,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:47:38,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-11-20 10:47:38,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:47:38,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2022-11-20 10:47:38,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:47:38,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 10:47:38,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:47:38,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-11-20 10:47:38,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:47:38,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-11-20 10:47:38,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:47:38,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 10:47:38,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:47:38,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-11-20 10:47:38,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:47:38,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-20 10:47:38,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:47:38,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 10:47:38,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:47:38,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-11-20 10:47:38,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:47:38,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2022-11-20 10:47:38,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:47:38,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 10:47:38,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:47:38,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-11-20 10:47:38,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:47:38,608 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2022-11-20 10:47:38,608 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:47:38,608 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1737738703] [2022-11-20 10:47:38,609 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1737738703] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 10:47:38,609 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1850855611] [2022-11-20 10:47:38,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:47:38,609 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 10:47:38,609 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b89921c5-e1b1-4abe-b4b2-d623edf2eebe/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:47:38,611 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b89921c5-e1b1-4abe-b4b2-d623edf2eebe/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 10:47:38,638 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b89921c5-e1b1-4abe-b4b2-d623edf2eebe/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-20 10:47:39,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:47:39,262 INFO L263 TraceCheckSpWp]: Trace formula consists of 1894 conjuncts, 65 conjunts are in the unsatisfiable core [2022-11-20 10:47:39,269 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 10:47:39,321 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 13 treesize of output 9 [2022-11-20 10:47:39,327 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 13 treesize of output 9 [2022-11-20 10:47:39,603 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2022-11-20 10:47:39,610 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 23 treesize of output 22 [2022-11-20 10:47:39,888 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2022-11-20 10:47:39,898 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 23 treesize of output 22 [2022-11-20 10:47:40,316 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 0 case distinctions, treesize of input 32 treesize of output 34 [2022-11-20 10:47:40,334 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 0 case distinctions, treesize of input 32 treesize of output 34 [2022-11-20 10:47:40,389 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 87 proven. 2 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2022-11-20 10:47:40,390 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 10:47:40,746 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2022-11-20 10:47:40,746 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1850855611] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-20 10:47:40,746 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-20 10:47:40,746 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 13, 8] total 19 [2022-11-20 10:47:40,747 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1191690922] [2022-11-20 10:47:40,747 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-20 10:47:40,747 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-11-20 10:47:40,748 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:47:40,748 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-11-20 10:47:40,748 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=277, Unknown=0, NotChecked=0, Total=342 [2022-11-20 10:47:40,749 INFO L87 Difference]: Start difference. First operand 1351 states and 1828 transitions. Second operand has 19 states, 18 states have (on average 5.833333333333333) internal successors, (105), 14 states have internal predecessors, (105), 8 states have call successors, (29), 6 states have call predecessors, (29), 6 states have return successors, (23), 8 states have call predecessors, (23), 7 states have call successors, (23) [2022-11-20 10:47:46,991 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:47:46,992 INFO L93 Difference]: Finished difference Result 2464 states and 3321 transitions. [2022-11-20 10:47:46,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-11-20 10:47:46,993 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 18 states have (on average 5.833333333333333) internal successors, (105), 14 states have internal predecessors, (105), 8 states have call successors, (29), 6 states have call predecessors, (29), 6 states have return successors, (23), 8 states have call predecessors, (23), 7 states have call successors, (23) Word has length 147 [2022-11-20 10:47:46,993 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:47:46,998 INFO L225 Difference]: With dead ends: 2464 [2022-11-20 10:47:46,999 INFO L226 Difference]: Without dead ends: 1032 [2022-11-20 10:47:47,003 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 345 GetRequests, 319 SyntacticMatches, 5 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 115 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=88, Invalid=418, Unknown=0, NotChecked=0, Total=506 [2022-11-20 10:47:47,004 INFO L413 NwaCegarLoop]: 520 mSDtfsCounter, 354 mSDsluCounter, 3032 mSDsCounter, 0 mSdLazyCounter, 2327 mSolverCounterSat, 247 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 370 SdHoareTripleChecker+Valid, 3552 SdHoareTripleChecker+Invalid, 3050 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 247 IncrementalHoareTripleChecker+Valid, 2327 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 476 IncrementalHoareTripleChecker+Unchecked, 5.9s IncrementalHoareTripleChecker+Time [2022-11-20 10:47:47,004 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [370 Valid, 3552 Invalid, 3050 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [247 Valid, 2327 Invalid, 0 Unknown, 476 Unchecked, 5.9s Time] [2022-11-20 10:47:47,006 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1032 states. [2022-11-20 10:47:47,060 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1032 to 1016. [2022-11-20 10:47:47,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1016 states, 725 states have (on average 1.230344827586207) internal successors, (892), 742 states have internal predecessors, (892), 226 states have call successors, (226), 63 states have call predecessors, (226), 64 states have return successors, (231), 221 states have call predecessors, (231), 224 states have call successors, (231) [2022-11-20 10:47:47,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1016 states to 1016 states and 1349 transitions. [2022-11-20 10:47:47,069 INFO L78 Accepts]: Start accepts. Automaton has 1016 states and 1349 transitions. Word has length 147 [2022-11-20 10:47:47,070 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:47:47,070 INFO L495 AbstractCegarLoop]: Abstraction has 1016 states and 1349 transitions. [2022-11-20 10:47:47,071 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 18 states have (on average 5.833333333333333) internal successors, (105), 14 states have internal predecessors, (105), 8 states have call successors, (29), 6 states have call predecessors, (29), 6 states have return successors, (23), 8 states have call predecessors, (23), 7 states have call successors, (23) [2022-11-20 10:47:47,071 INFO L276 IsEmpty]: Start isEmpty. Operand 1016 states and 1349 transitions. [2022-11-20 10:47:47,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2022-11-20 10:47:47,074 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:47:47,074 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 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] [2022-11-20 10:47:47,085 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b89921c5-e1b1-4abe-b4b2-d623edf2eebe/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-11-20 10:47:47,283 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b89921c5-e1b1-4abe-b4b2-d623edf2eebe/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2022-11-20 10:47:47,283 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 10:47:47,283 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:47:47,284 INFO L85 PathProgramCache]: Analyzing trace with hash -1470525836, now seen corresponding path program 1 times [2022-11-20 10:47:47,284 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:47:47,284 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1001286513] [2022-11-20 10:47:47,284 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:47:47,284 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:47:47,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:47:47,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-20 10:47:47,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:47:47,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-11-20 10:47:47,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:47:47,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-11-20 10:47:47,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:47:47,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-11-20 10:47:47,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:47:47,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2022-11-20 10:47:47,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:47:47,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-11-20 10:47:47,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:47:47,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-11-20 10:47:47,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:47:47,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2022-11-20 10:47:47,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:47:47,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 10:47:48,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:47:48,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-11-20 10:47:48,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:47:48,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-11-20 10:47:48,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:47:48,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 10:47:48,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:47:48,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-11-20 10:47:48,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:47:48,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-20 10:47:48,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:47:48,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 10:47:48,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:47:48,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-11-20 10:47:48,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:47:48,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2022-11-20 10:47:48,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:47:48,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 10:47:48,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:47:48,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-11-20 10:47:48,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:47:48,204 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 2 proven. 27 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2022-11-20 10:47:48,205 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:47:48,205 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1001286513] [2022-11-20 10:47:48,205 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1001286513] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 10:47:48,205 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1217583464] [2022-11-20 10:47:48,205 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:47:48,206 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 10:47:48,206 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b89921c5-e1b1-4abe-b4b2-d623edf2eebe/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:47:48,207 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b89921c5-e1b1-4abe-b4b2-d623edf2eebe/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 10:47:48,213 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b89921c5-e1b1-4abe-b4b2-d623edf2eebe/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-20 10:47:48,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:47:48,862 INFO L263 TraceCheckSpWp]: Trace formula consists of 1893 conjuncts, 13 conjunts are in the unsatisfiable core [2022-11-20 10:47:48,867 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 10:47:49,113 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2022-11-20 10:47:49,113 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 10:47:49,592 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2022-11-20 10:47:49,592 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1217583464] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-20 10:47:49,593 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-20 10:47:49,593 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 6, 7] total 16 [2022-11-20 10:47:49,593 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1629418936] [2022-11-20 10:47:49,593 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-20 10:47:49,594 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-11-20 10:47:49,594 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:47:49,595 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-11-20 10:47:49,595 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=194, Unknown=0, NotChecked=0, Total=240 [2022-11-20 10:47:49,595 INFO L87 Difference]: Start difference. First operand 1016 states and 1349 transitions. Second operand has 16 states, 16 states have (on average 9.875) internal successors, (158), 12 states have internal predecessors, (158), 8 states have call successors, (42), 9 states have call predecessors, (42), 9 states have return successors, (41), 9 states have call predecessors, (41), 8 states have call successors, (41) [2022-11-20 10:47:58,896 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:47:58,896 INFO L93 Difference]: Finished difference Result 2099 states and 2810 transitions. [2022-11-20 10:47:58,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-11-20 10:47:58,897 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 9.875) internal successors, (158), 12 states have internal predecessors, (158), 8 states have call successors, (42), 9 states have call predecessors, (42), 9 states have return successors, (41), 9 states have call predecessors, (41), 8 states have call successors, (41) Word has length 147 [2022-11-20 10:47:58,898 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:47:58,907 INFO L225 Difference]: With dead ends: 2099 [2022-11-20 10:47:58,907 INFO L226 Difference]: Without dead ends: 1398 [2022-11-20 10:47:58,911 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 358 GetRequests, 321 SyntacticMatches, 5 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 195 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=269, Invalid=853, Unknown=0, NotChecked=0, Total=1122 [2022-11-20 10:47:58,912 INFO L413 NwaCegarLoop]: 621 mSDtfsCounter, 1465 mSDsluCounter, 4394 mSDsCounter, 0 mSdLazyCounter, 4633 mSolverCounterSat, 641 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1596 SdHoareTripleChecker+Valid, 5015 SdHoareTripleChecker+Invalid, 5274 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 641 IncrementalHoareTripleChecker+Valid, 4633 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.7s IncrementalHoareTripleChecker+Time [2022-11-20 10:47:58,912 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1596 Valid, 5015 Invalid, 5274 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [641 Valid, 4633 Invalid, 0 Unknown, 0 Unchecked, 8.7s Time] [2022-11-20 10:47:58,915 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1398 states. [2022-11-20 10:47:58,992 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1398 to 1373. [2022-11-20 10:47:58,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1373 states, 976 states have (on average 1.2264344262295082) internal successors, (1197), 998 states have internal predecessors, (1197), 302 states have call successors, (302), 92 states have call predecessors, (302), 94 states have return successors, (329), 297 states have call predecessors, (329), 300 states have call successors, (329) [2022-11-20 10:47:59,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1373 states to 1373 states and 1828 transitions. [2022-11-20 10:47:59,003 INFO L78 Accepts]: Start accepts. Automaton has 1373 states and 1828 transitions. Word has length 147 [2022-11-20 10:47:59,004 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:47:59,004 INFO L495 AbstractCegarLoop]: Abstraction has 1373 states and 1828 transitions. [2022-11-20 10:47:59,004 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 9.875) internal successors, (158), 12 states have internal predecessors, (158), 8 states have call successors, (42), 9 states have call predecessors, (42), 9 states have return successors, (41), 9 states have call predecessors, (41), 8 states have call successors, (41) [2022-11-20 10:47:59,005 INFO L276 IsEmpty]: Start isEmpty. Operand 1373 states and 1828 transitions. [2022-11-20 10:47:59,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2022-11-20 10:47:59,007 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:47:59,008 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 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] [2022-11-20 10:47:59,018 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b89921c5-e1b1-4abe-b4b2-d623edf2eebe/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-11-20 10:47:59,217 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b89921c5-e1b1-4abe-b4b2-d623edf2eebe/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 10:47:59,217 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 10:47:59,218 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:47:59,218 INFO L85 PathProgramCache]: Analyzing trace with hash -1528563180, now seen corresponding path program 1 times [2022-11-20 10:47:59,218 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:47:59,218 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [33990994] [2022-11-20 10:47:59,218 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:47:59,218 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:47:59,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:47:59,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-20 10:47:59,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:47:59,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-11-20 10:47:59,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:47:59,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-11-20 10:47:59,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:47:59,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-11-20 10:47:59,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:47:59,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2022-11-20 10:47:59,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:47:59,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-11-20 10:47:59,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:47:59,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-11-20 10:47:59,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:47:59,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2022-11-20 10:47:59,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:47:59,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 10:47:59,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:47:59,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-11-20 10:47:59,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:47:59,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-11-20 10:47:59,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:47:59,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 10:47:59,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:47:59,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-11-20 10:47:59,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:47:59,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-20 10:47:59,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:47:59,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 10:47:59,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:47:59,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-11-20 10:47:59,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:47:59,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2022-11-20 10:47:59,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:47:59,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 10:47:59,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:47:59,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-11-20 10:47:59,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:47:59,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2022-11-20 10:47:59,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:47:59,978 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2022-11-20 10:47:59,979 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:47:59,979 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [33990994] [2022-11-20 10:47:59,979 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [33990994] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 10:47:59,979 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1558244988] [2022-11-20 10:47:59,979 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:47:59,980 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 10:47:59,980 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b89921c5-e1b1-4abe-b4b2-d623edf2eebe/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:47:59,983 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b89921c5-e1b1-4abe-b4b2-d623edf2eebe/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 10:48:00,005 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b89921c5-e1b1-4abe-b4b2-d623edf2eebe/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-11-20 10:48:00,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:48:00,670 INFO L263 TraceCheckSpWp]: Trace formula consists of 1926 conjuncts, 21 conjunts are in the unsatisfiable core [2022-11-20 10:48:00,675 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 10:48:00,803 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 19 treesize of output 7 [2022-11-20 10:48:00,805 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 19 treesize of output 7 [2022-11-20 10:48:00,823 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2022-11-20 10:48:00,823 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 10:48:01,012 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2022-11-20 10:48:01,013 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1558244988] provided 1 perfect and 1 imperfect interpolant sequences [2022-11-20 10:48:01,013 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-20 10:48:01,013 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [10, 8] total 12 [2022-11-20 10:48:01,013 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1784156009] [2022-11-20 10:48:01,013 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:48:01,014 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-20 10:48:01,014 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:48:01,014 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-20 10:48:01,015 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2022-11-20 10:48:01,015 INFO L87 Difference]: Start difference. First operand 1373 states and 1828 transitions. Second operand has 7 states, 6 states have (on average 13.333333333333334) internal successors, (80), 6 states have internal predecessors, (80), 4 states have call successors, (16), 3 states have call predecessors, (16), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-11-20 10:48:01,841 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:48:01,842 INFO L93 Difference]: Finished difference Result 1438 states and 1906 transitions. [2022-11-20 10:48:01,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-20 10:48:01,844 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 13.333333333333334) internal successors, (80), 6 states have internal predecessors, (80), 4 states have call successors, (16), 3 states have call predecessors, (16), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 157 [2022-11-20 10:48:01,844 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:48:01,851 INFO L225 Difference]: With dead ends: 1438 [2022-11-20 10:48:01,852 INFO L226 Difference]: Without dead ends: 1373 [2022-11-20 10:48:01,853 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 361 GetRequests, 348 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=146, Unknown=0, NotChecked=0, Total=182 [2022-11-20 10:48:01,854 INFO L413 NwaCegarLoop]: 699 mSDtfsCounter, 6 mSDsluCounter, 2651 mSDsCounter, 0 mSdLazyCounter, 163 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 3350 SdHoareTripleChecker+Invalid, 168 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 163 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-11-20 10:48:01,854 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 3350 Invalid, 168 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 163 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-11-20 10:48:01,856 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1373 states. [2022-11-20 10:48:01,923 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1373 to 1373. [2022-11-20 10:48:01,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1373 states, 976 states have (on average 1.2254098360655739) internal successors, (1196), 998 states have internal predecessors, (1196), 302 states have call successors, (302), 92 states have call predecessors, (302), 94 states have return successors, (329), 297 states have call predecessors, (329), 300 states have call successors, (329) [2022-11-20 10:48:01,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1373 states to 1373 states and 1827 transitions. [2022-11-20 10:48:01,964 INFO L78 Accepts]: Start accepts. Automaton has 1373 states and 1827 transitions. Word has length 157 [2022-11-20 10:48:01,965 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:48:01,965 INFO L495 AbstractCegarLoop]: Abstraction has 1373 states and 1827 transitions. [2022-11-20 10:48:01,965 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 13.333333333333334) internal successors, (80), 6 states have internal predecessors, (80), 4 states have call successors, (16), 3 states have call predecessors, (16), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-11-20 10:48:01,965 INFO L276 IsEmpty]: Start isEmpty. Operand 1373 states and 1827 transitions. [2022-11-20 10:48:01,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2022-11-20 10:48:01,969 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:48:01,969 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 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] [2022-11-20 10:48:01,980 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b89921c5-e1b1-4abe-b4b2-d623edf2eebe/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-11-20 10:48:02,180 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b89921c5-e1b1-4abe-b4b2-d623edf2eebe/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 10:48:02,180 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 10:48:02,181 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:48:02,181 INFO L85 PathProgramCache]: Analyzing trace with hash -1709518893, now seen corresponding path program 1 times [2022-11-20 10:48:02,181 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:48:02,181 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [336748444] [2022-11-20 10:48:02,181 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:48:02,182 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:48:02,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:48:02,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-20 10:48:02,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:48:02,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-11-20 10:48:02,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:48:02,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-11-20 10:48:02,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:48:02,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-11-20 10:48:02,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:48:02,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2022-11-20 10:48:02,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:48:02,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-11-20 10:48:02,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:48:02,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-11-20 10:48:02,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:48:02,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2022-11-20 10:48:02,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:48:02,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 10:48:02,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:48:02,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-11-20 10:48:02,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:48:02,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-11-20 10:48:02,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:48:02,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 10:48:02,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:48:02,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-11-20 10:48:02,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:48:02,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-20 10:48:02,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:48:02,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 10:48:02,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:48:02,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-11-20 10:48:02,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:48:02,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2022-11-20 10:48:02,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:48:02,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 10:48:02,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:48:02,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-11-20 10:48:02,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:48:02,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2022-11-20 10:48:02,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:48:02,820 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 25 proven. 9 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2022-11-20 10:48:02,820 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:48:02,821 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [336748444] [2022-11-20 10:48:02,821 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [336748444] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 10:48:02,821 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1087500119] [2022-11-20 10:48:02,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:48:02,821 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 10:48:02,823 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b89921c5-e1b1-4abe-b4b2-d623edf2eebe/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:48:02,824 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b89921c5-e1b1-4abe-b4b2-d623edf2eebe/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 10:48:02,846 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b89921c5-e1b1-4abe-b4b2-d623edf2eebe/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-11-20 10:48:03,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:48:03,529 INFO L263 TraceCheckSpWp]: Trace formula consists of 1949 conjuncts, 13 conjunts are in the unsatisfiable core [2022-11-20 10:48:03,532 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 10:48:03,603 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 67 proven. 0 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2022-11-20 10:48:03,603 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 10:48:03,603 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1087500119] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:48:03,603 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-20 10:48:03,604 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [10] total 10 [2022-11-20 10:48:03,607 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1838431002] [2022-11-20 10:48:03,607 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:48:03,607 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-20 10:48:03,608 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:48:03,608 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-20 10:48:03,608 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2022-11-20 10:48:03,609 INFO L87 Difference]: Start difference. First operand 1373 states and 1827 transitions. Second operand has 7 states, 7 states have (on average 13.285714285714286) internal successors, (93), 5 states have internal predecessors, (93), 2 states have call successors, (18), 2 states have call predecessors, (18), 4 states have return successors, (18), 4 states have call predecessors, (18), 2 states have call successors, (18) [2022-11-20 10:48:03,718 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:48:03,718 INFO L93 Difference]: Finished difference Result 2419 states and 3243 transitions. [2022-11-20 10:48:03,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-20 10:48:03,719 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 13.285714285714286) internal successors, (93), 5 states have internal predecessors, (93), 2 states have call successors, (18), 2 states have call predecessors, (18), 4 states have return successors, (18), 4 states have call predecessors, (18), 2 states have call successors, (18) Word has length 158 [2022-11-20 10:48:03,719 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:48:03,726 INFO L225 Difference]: With dead ends: 2419 [2022-11-20 10:48:03,726 INFO L226 Difference]: Without dead ends: 1373 [2022-11-20 10:48:03,731 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 204 GetRequests, 193 SyntacticMatches, 3 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2022-11-20 10:48:03,731 INFO L413 NwaCegarLoop]: 699 mSDtfsCounter, 2 mSDsluCounter, 3487 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 4186 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 10:48:03,732 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 4186 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 10:48:03,734 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1373 states. [2022-11-20 10:48:03,847 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1373 to 1371. [2022-11-20 10:48:03,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1371 states, 974 states have (on average 1.2248459958932238) internal successors, (1193), 997 states have internal predecessors, (1193), 302 states have call successors, (302), 92 states have call predecessors, (302), 94 states have return successors, (329), 296 states have call predecessors, (329), 300 states have call successors, (329) [2022-11-20 10:48:03,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1371 states to 1371 states and 1824 transitions. [2022-11-20 10:48:03,857 INFO L78 Accepts]: Start accepts. Automaton has 1371 states and 1824 transitions. Word has length 158 [2022-11-20 10:48:03,857 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:48:03,857 INFO L495 AbstractCegarLoop]: Abstraction has 1371 states and 1824 transitions. [2022-11-20 10:48:03,858 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.285714285714286) internal successors, (93), 5 states have internal predecessors, (93), 2 states have call successors, (18), 2 states have call predecessors, (18), 4 states have return successors, (18), 4 states have call predecessors, (18), 2 states have call successors, (18) [2022-11-20 10:48:03,858 INFO L276 IsEmpty]: Start isEmpty. Operand 1371 states and 1824 transitions. [2022-11-20 10:48:03,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2022-11-20 10:48:03,861 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:48:03,861 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 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] [2022-11-20 10:48:03,872 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b89921c5-e1b1-4abe-b4b2-d623edf2eebe/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-11-20 10:48:04,072 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b89921c5-e1b1-4abe-b4b2-d623edf2eebe/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2022-11-20 10:48:04,072 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 10:48:04,072 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:48:04,073 INFO L85 PathProgramCache]: Analyzing trace with hash -2127195725, now seen corresponding path program 2 times [2022-11-20 10:48:04,073 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:48:04,073 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2078795925] [2022-11-20 10:48:04,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:48:04,073 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:48:04,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:48:05,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-20 10:48:05,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:48:05,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-11-20 10:48:05,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:48:05,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-11-20 10:48:05,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:48:05,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-11-20 10:48:05,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:48:05,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2022-11-20 10:48:05,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:48:05,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-11-20 10:48:05,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:48:05,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-11-20 10:48:05,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:48:05,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2022-11-20 10:48:05,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:48:05,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 10:48:05,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:48:05,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-11-20 10:48:05,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:48:05,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-11-20 10:48:05,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:48:05,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 10:48:05,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:48:05,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-11-20 10:48:05,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:48:05,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-20 10:48:05,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:48:05,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 10:48:05,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:48:05,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-11-20 10:48:05,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:48:05,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2022-11-20 10:48:05,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:48:05,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 10:48:05,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:48:05,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-11-20 10:48:05,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:48:05,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2022-11-20 10:48:05,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:48:05,389 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 16 proven. 11 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2022-11-20 10:48:05,389 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:48:05,390 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2078795925] [2022-11-20 10:48:05,390 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2078795925] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 10:48:05,390 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1030586308] [2022-11-20 10:48:05,390 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-20 10:48:05,390 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 10:48:05,391 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b89921c5-e1b1-4abe-b4b2-d623edf2eebe/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:48:05,392 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b89921c5-e1b1-4abe-b4b2-d623edf2eebe/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 10:48:05,414 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b89921c5-e1b1-4abe-b4b2-d623edf2eebe/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-11-20 10:48:06,192 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-11-20 10:48:06,193 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-20 10:48:06,202 INFO L263 TraceCheckSpWp]: Trace formula consists of 1947 conjuncts, 18 conjunts are in the unsatisfiable core [2022-11-20 10:48:06,207 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 10:48:06,462 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 4 proven. 23 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2022-11-20 10:48:06,463 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 10:48:07,081 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 2 proven. 40 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2022-11-20 10:48:07,081 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1030586308] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-20 10:48:07,082 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-20 10:48:07,082 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 9, 14] total 24 [2022-11-20 10:48:07,082 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [186920308] [2022-11-20 10:48:07,082 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-20 10:48:07,083 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2022-11-20 10:48:07,083 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:48:07,084 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2022-11-20 10:48:07,084 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=139, Invalid=413, Unknown=0, NotChecked=0, Total=552 [2022-11-20 10:48:07,084 INFO L87 Difference]: Start difference. First operand 1371 states and 1824 transitions. Second operand has 24 states, 24 states have (on average 9.291666666666666) internal successors, (223), 22 states have internal predecessors, (223), 15 states have call successors, (47), 13 states have call predecessors, (47), 12 states have return successors, (41), 13 states have call predecessors, (41), 14 states have call successors, (41) [2022-11-20 10:48:17,893 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:48:17,893 INFO L93 Difference]: Finished difference Result 3485 states and 4668 transitions. [2022-11-20 10:48:17,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-11-20 10:48:17,894 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 24 states have (on average 9.291666666666666) internal successors, (223), 22 states have internal predecessors, (223), 15 states have call successors, (47), 13 states have call predecessors, (47), 12 states have return successors, (41), 13 states have call predecessors, (41), 14 states have call successors, (41) Word has length 158 [2022-11-20 10:48:17,895 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:48:17,914 INFO L225 Difference]: With dead ends: 3485 [2022-11-20 10:48:17,915 INFO L226 Difference]: Without dead ends: 3482 [2022-11-20 10:48:17,918 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 392 GetRequests, 348 SyntacticMatches, 6 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 420 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=457, Invalid=1103, Unknown=0, NotChecked=0, Total=1560 [2022-11-20 10:48:17,919 INFO L413 NwaCegarLoop]: 665 mSDtfsCounter, 7564 mSDsluCounter, 4157 mSDsCounter, 0 mSdLazyCounter, 6754 mSolverCounterSat, 3297 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7906 SdHoareTripleChecker+Valid, 4822 SdHoareTripleChecker+Invalid, 10051 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3297 IncrementalHoareTripleChecker+Valid, 6754 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.1s IncrementalHoareTripleChecker+Time [2022-11-20 10:48:17,920 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7906 Valid, 4822 Invalid, 10051 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3297 Valid, 6754 Invalid, 0 Unknown, 0 Unchecked, 10.1s Time] [2022-11-20 10:48:17,924 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3482 states. [2022-11-20 10:48:18,101 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3482 to 3411. [2022-11-20 10:48:18,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3411 states, 2418 states have (on average 1.2303556658395367) internal successors, (2975), 2479 states have internal predecessors, (2975), 768 states have call successors, (768), 214 states have call predecessors, (768), 224 states have return successors, (853), 754 states have call predecessors, (853), 766 states have call successors, (853) [2022-11-20 10:48:18,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3411 states to 3411 states and 4596 transitions. [2022-11-20 10:48:18,139 INFO L78 Accepts]: Start accepts. Automaton has 3411 states and 4596 transitions. Word has length 158 [2022-11-20 10:48:18,139 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:48:18,139 INFO L495 AbstractCegarLoop]: Abstraction has 3411 states and 4596 transitions. [2022-11-20 10:48:18,140 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 9.291666666666666) internal successors, (223), 22 states have internal predecessors, (223), 15 states have call successors, (47), 13 states have call predecessors, (47), 12 states have return successors, (41), 13 states have call predecessors, (41), 14 states have call successors, (41) [2022-11-20 10:48:18,141 INFO L276 IsEmpty]: Start isEmpty. Operand 3411 states and 4596 transitions. [2022-11-20 10:48:18,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2022-11-20 10:48:18,144 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:48:18,144 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 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] [2022-11-20 10:48:18,159 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b89921c5-e1b1-4abe-b4b2-d623edf2eebe/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-11-20 10:48:18,354 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b89921c5-e1b1-4abe-b4b2-d623edf2eebe/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2022-11-20 10:48:18,354 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 10:48:18,355 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:48:18,355 INFO L85 PathProgramCache]: Analyzing trace with hash 714698163, now seen corresponding path program 3 times [2022-11-20 10:48:18,355 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:48:18,355 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1441207150] [2022-11-20 10:48:18,355 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:48:18,355 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:48:18,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:48:19,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-20 10:48:19,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:48:19,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-11-20 10:48:19,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:48:19,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-11-20 10:48:19,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:48:19,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-11-20 10:48:19,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:48:19,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2022-11-20 10:48:19,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:48:19,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-11-20 10:48:19,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:48:19,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-11-20 10:48:19,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:48:19,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2022-11-20 10:48:19,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:48:19,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 10:48:19,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:48:19,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-11-20 10:48:19,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:48:19,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-11-20 10:48:19,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:48:19,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 10:48:19,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:48:19,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-11-20 10:48:19,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:48:19,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-20 10:48:19,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:48:19,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 10:48:19,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:48:19,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-11-20 10:48:19,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:48:19,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2022-11-20 10:48:19,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:48:19,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 10:48:19,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:48:19,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-11-20 10:48:19,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:48:19,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2022-11-20 10:48:19,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:48:19,782 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2022-11-20 10:48:19,783 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:48:19,783 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1441207150] [2022-11-20 10:48:19,783 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1441207150] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 10:48:19,783 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1197806495] [2022-11-20 10:48:19,783 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-20 10:48:19,784 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 10:48:19,784 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b89921c5-e1b1-4abe-b4b2-d623edf2eebe/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:48:19,785 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b89921c5-e1b1-4abe-b4b2-d623edf2eebe/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 10:48:19,806 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b89921c5-e1b1-4abe-b4b2-d623edf2eebe/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-11-20 10:48:20,623 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2022-11-20 10:48:20,623 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-20 10:48:20,631 INFO L263 TraceCheckSpWp]: Trace formula consists of 1563 conjuncts, 57 conjunts are in the unsatisfiable core [2022-11-20 10:48:20,636 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 10:48:20,674 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 13 treesize of output 9 [2022-11-20 10:48:20,679 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 13 treesize of output 9 [2022-11-20 10:48:20,800 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2022-11-20 10:48:20,805 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 23 treesize of output 22 [2022-11-20 10:48:21,006 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2022-11-20 10:48:21,014 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 23 treesize of output 22 [2022-11-20 10:48:21,443 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 13 [2022-11-20 10:48:21,451 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-20 10:48:21,451 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 37 treesize of output 13 [2022-11-20 10:48:21,523 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 71 proven. 6 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2022-11-20 10:48:21,524 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 10:48:21,876 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2022-11-20 10:48:21,876 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1197806495] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-20 10:48:21,876 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-20 10:48:21,877 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 15, 10] total 21 [2022-11-20 10:48:21,877 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1109248655] [2022-11-20 10:48:21,877 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-20 10:48:21,878 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2022-11-20 10:48:21,878 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:48:21,879 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2022-11-20 10:48:21,879 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=354, Unknown=0, NotChecked=0, Total=420 [2022-11-20 10:48:21,880 INFO L87 Difference]: Start difference. First operand 3411 states and 4596 transitions. Second operand has 21 states, 20 states have (on average 6.1) internal successors, (122), 15 states have internal predecessors, (122), 8 states have call successors, (30), 8 states have call predecessors, (30), 5 states have return successors, (22), 8 states have call predecessors, (22), 7 states have call successors, (22) [2022-11-20 10:48:29,967 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:48:29,967 INFO L93 Difference]: Finished difference Result 5929 states and 7970 transitions. [2022-11-20 10:48:29,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-11-20 10:48:29,968 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 6.1) internal successors, (122), 15 states have internal predecessors, (122), 8 states have call successors, (30), 8 states have call predecessors, (30), 5 states have return successors, (22), 8 states have call predecessors, (22), 7 states have call successors, (22) Word has length 158 [2022-11-20 10:48:29,969 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:48:29,982 INFO L225 Difference]: With dead ends: 5929 [2022-11-20 10:48:29,983 INFO L226 Difference]: Without dead ends: 2757 [2022-11-20 10:48:29,994 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 370 GetRequests, 340 SyntacticMatches, 6 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 142 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=100, Invalid=550, Unknown=0, NotChecked=0, Total=650 [2022-11-20 10:48:29,995 INFO L413 NwaCegarLoop]: 512 mSDtfsCounter, 190 mSDsluCounter, 5278 mSDsCounter, 0 mSdLazyCounter, 4041 mSolverCounterSat, 121 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 206 SdHoareTripleChecker+Valid, 5790 SdHoareTripleChecker+Invalid, 4603 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 121 IncrementalHoareTripleChecker+Valid, 4041 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 441 IncrementalHoareTripleChecker+Unchecked, 7.7s IncrementalHoareTripleChecker+Time [2022-11-20 10:48:29,995 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [206 Valid, 5790 Invalid, 4603 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [121 Valid, 4041 Invalid, 0 Unknown, 441 Unchecked, 7.7s Time] [2022-11-20 10:48:29,998 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2757 states. [2022-11-20 10:48:30,179 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2757 to 2757. [2022-11-20 10:48:30,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2757 states, 1953 states have (on average 1.2268305171530978) internal successors, (2396), 2002 states have internal predecessors, (2396), 611 states have call successors, (611), 185 states have call predecessors, (611), 192 states have return successors, (672), 599 states have call predecessors, (672), 609 states have call successors, (672) [2022-11-20 10:48:30,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2757 states to 2757 states and 3679 transitions. [2022-11-20 10:48:30,193 INFO L78 Accepts]: Start accepts. Automaton has 2757 states and 3679 transitions. Word has length 158 [2022-11-20 10:48:30,193 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:48:30,193 INFO L495 AbstractCegarLoop]: Abstraction has 2757 states and 3679 transitions. [2022-11-20 10:48:30,194 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 6.1) internal successors, (122), 15 states have internal predecessors, (122), 8 states have call successors, (30), 8 states have call predecessors, (30), 5 states have return successors, (22), 8 states have call predecessors, (22), 7 states have call successors, (22) [2022-11-20 10:48:30,194 INFO L276 IsEmpty]: Start isEmpty. Operand 2757 states and 3679 transitions. [2022-11-20 10:48:30,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2022-11-20 10:48:30,197 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:48:30,197 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 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] [2022-11-20 10:48:30,210 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b89921c5-e1b1-4abe-b4b2-d623edf2eebe/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2022-11-20 10:48:30,407 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b89921c5-e1b1-4abe-b4b2-d623edf2eebe/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 10:48:30,407 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 10:48:30,407 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:48:30,408 INFO L85 PathProgramCache]: Analyzing trace with hash -210618896, now seen corresponding path program 1 times [2022-11-20 10:48:30,408 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:48:30,408 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1342848462] [2022-11-20 10:48:30,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:48:30,408 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:48:30,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:48:30,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-20 10:48:30,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:48:30,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-11-20 10:48:30,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:48:30,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-11-20 10:48:30,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:48:30,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-11-20 10:48:30,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:48:30,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2022-11-20 10:48:30,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:48:30,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-11-20 10:48:30,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:48:30,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-11-20 10:48:30,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:48:30,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2022-11-20 10:48:30,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:48:30,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 10:48:30,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:48:31,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-11-20 10:48:31,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:48:31,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-11-20 10:48:31,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:48:31,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 10:48:31,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:48:31,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-11-20 10:48:31,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:48:31,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-20 10:48:31,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:48:31,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 10:48:31,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:48:31,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-11-20 10:48:31,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:48:31,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2022-11-20 10:48:31,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:48:31,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 10:48:31,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:48:31,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-11-20 10:48:31,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:48:31,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2022-11-20 10:48:31,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:48:31,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2022-11-20 10:48:31,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:48:31,084 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 8 proven. 2 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2022-11-20 10:48:31,084 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:48:31,085 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1342848462] [2022-11-20 10:48:31,085 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1342848462] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 10:48:31,086 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1150055679] [2022-11-20 10:48:31,086 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:48:31,086 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 10:48:31,086 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b89921c5-e1b1-4abe-b4b2-d623edf2eebe/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:48:31,087 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b89921c5-e1b1-4abe-b4b2-d623edf2eebe/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 10:48:31,110 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b89921c5-e1b1-4abe-b4b2-d623edf2eebe/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-11-20 10:48:31,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:48:31,870 INFO L263 TraceCheckSpWp]: Trace formula consists of 1963 conjuncts, 21 conjunts are in the unsatisfiable core [2022-11-20 10:48:31,874 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 10:48:32,071 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 19 treesize of output 7 [2022-11-20 10:48:32,077 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 19 treesize of output 7 [2022-11-20 10:48:32,097 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 2 proven. 8 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2022-11-20 10:48:32,097 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 10:48:32,340 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2022-11-20 10:48:32,340 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1150055679] provided 1 perfect and 1 imperfect interpolant sequences [2022-11-20 10:48:32,341 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-20 10:48:32,341 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [10, 8] total 12 [2022-11-20 10:48:32,341 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1673105542] [2022-11-20 10:48:32,341 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:48:32,342 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-20 10:48:32,342 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:48:32,342 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-20 10:48:32,342 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2022-11-20 10:48:32,343 INFO L87 Difference]: Start difference. First operand 2757 states and 3679 transitions. Second operand has 7 states, 6 states have (on average 13.666666666666666) internal successors, (82), 6 states have internal predecessors, (82), 4 states have call successors, (17), 3 states have call predecessors, (17), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-11-20 10:48:34,010 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:48:34,010 INFO L93 Difference]: Finished difference Result 2890 states and 3841 transitions. [2022-11-20 10:48:34,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-20 10:48:34,010 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 13.666666666666666) internal successors, (82), 6 states have internal predecessors, (82), 4 states have call successors, (17), 3 states have call predecessors, (17), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 168 [2022-11-20 10:48:34,011 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:48:34,024 INFO L225 Difference]: With dead ends: 2890 [2022-11-20 10:48:34,024 INFO L226 Difference]: Without dead ends: 2757 [2022-11-20 10:48:34,026 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 385 GetRequests, 370 SyntacticMatches, 3 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=36, Invalid=146, Unknown=0, NotChecked=0, Total=182 [2022-11-20 10:48:34,027 INFO L413 NwaCegarLoop]: 698 mSDtfsCounter, 6 mSDsluCounter, 3221 mSDsCounter, 0 mSdLazyCounter, 293 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 3919 SdHoareTripleChecker+Invalid, 300 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 293 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-11-20 10:48:34,028 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 3919 Invalid, 300 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 293 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-11-20 10:48:34,031 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2757 states. [2022-11-20 10:48:34,167 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2757 to 2757. [2022-11-20 10:48:34,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2757 states, 1953 states have (on average 1.2258064516129032) internal successors, (2394), 2002 states have internal predecessors, (2394), 611 states have call successors, (611), 185 states have call predecessors, (611), 192 states have return successors, (672), 599 states have call predecessors, (672), 609 states have call successors, (672) [2022-11-20 10:48:34,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2757 states to 2757 states and 3677 transitions. [2022-11-20 10:48:34,181 INFO L78 Accepts]: Start accepts. Automaton has 2757 states and 3677 transitions. Word has length 168 [2022-11-20 10:48:34,181 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:48:34,182 INFO L495 AbstractCegarLoop]: Abstraction has 2757 states and 3677 transitions. [2022-11-20 10:48:34,182 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 13.666666666666666) internal successors, (82), 6 states have internal predecessors, (82), 4 states have call successors, (17), 3 states have call predecessors, (17), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-11-20 10:48:34,182 INFO L276 IsEmpty]: Start isEmpty. Operand 2757 states and 3677 transitions. [2022-11-20 10:48:34,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2022-11-20 10:48:34,185 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:48:34,186 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 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] [2022-11-20 10:48:34,199 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b89921c5-e1b1-4abe-b4b2-d623edf2eebe/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2022-11-20 10:48:34,394 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b89921c5-e1b1-4abe-b4b2-d623edf2eebe/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 10:48:34,395 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 10:48:34,395 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:48:34,395 INFO L85 PathProgramCache]: Analyzing trace with hash -1793451828, now seen corresponding path program 1 times [2022-11-20 10:48:34,395 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:48:34,395 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2135105664] [2022-11-20 10:48:34,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:48:34,396 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:48:34,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:48:35,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-20 10:48:35,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:48:35,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-11-20 10:48:35,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:48:35,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-11-20 10:48:35,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:48:35,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-11-20 10:48:35,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:48:35,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2022-11-20 10:48:35,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:48:35,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-11-20 10:48:35,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:48:35,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-11-20 10:48:35,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:48:35,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2022-11-20 10:48:35,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:48:35,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 10:48:35,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:48:35,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-11-20 10:48:35,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:48:35,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-11-20 10:48:35,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:48:35,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 10:48:35,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:48:35,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-11-20 10:48:35,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:48:35,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-20 10:48:35,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:48:35,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 10:48:35,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:48:35,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-11-20 10:48:35,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:48:35,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2022-11-20 10:48:35,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:48:35,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 10:48:35,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:48:35,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-11-20 10:48:35,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:48:35,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2022-11-20 10:48:35,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:48:35,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-11-20 10:48:35,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:48:35,443 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2022-11-20 10:48:35,443 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:48:35,444 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2135105664] [2022-11-20 10:48:35,444 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2135105664] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 10:48:35,444 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2025328265] [2022-11-20 10:48:35,444 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:48:35,444 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 10:48:35,445 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b89921c5-e1b1-4abe-b4b2-d623edf2eebe/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:48:35,446 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b89921c5-e1b1-4abe-b4b2-d623edf2eebe/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 10:48:35,480 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b89921c5-e1b1-4abe-b4b2-d623edf2eebe/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2022-11-20 10:48:36,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:48:36,236 INFO L263 TraceCheckSpWp]: Trace formula consists of 1968 conjuncts, 43 conjunts are in the unsatisfiable core [2022-11-20 10:48:36,241 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 10:48:36,288 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 13 treesize of output 9 [2022-11-20 10:48:36,294 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 13 treesize of output 9 [2022-11-20 10:48:36,490 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2022-11-20 10:48:36,498 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 23 treesize of output 22 [2022-11-20 10:48:36,545 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 10 [2022-11-20 10:48:36,575 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2022-11-20 10:48:36,575 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 10:48:36,575 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2025328265] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:48:36,575 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-20 10:48:36,575 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [9] total 14 [2022-11-20 10:48:36,575 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [294902669] [2022-11-20 10:48:36,575 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:48:36,576 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-20 10:48:36,576 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:48:36,576 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-20 10:48:36,577 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2022-11-20 10:48:36,577 INFO L87 Difference]: Start difference. First operand 2757 states and 3677 transitions. Second operand has 10 states, 9 states have (on average 10.0) internal successors, (90), 8 states have internal predecessors, (90), 4 states have call successors, (19), 3 states have call predecessors, (19), 5 states have return successors, (17), 5 states have call predecessors, (17), 4 states have call successors, (17) [2022-11-20 10:48:39,153 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:48:39,153 INFO L93 Difference]: Finished difference Result 4594 states and 6087 transitions. [2022-11-20 10:48:39,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-20 10:48:39,154 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 10.0) internal successors, (90), 8 states have internal predecessors, (90), 4 states have call successors, (19), 3 states have call predecessors, (19), 5 states have return successors, (17), 5 states have call predecessors, (17), 4 states have call successors, (17) Word has length 169 [2022-11-20 10:48:39,155 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:48:39,166 INFO L225 Difference]: With dead ends: 4594 [2022-11-20 10:48:39,166 INFO L226 Difference]: Without dead ends: 2138 [2022-11-20 10:48:39,176 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 220 GetRequests, 205 SyntacticMatches, 2 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=42, Invalid=168, Unknown=0, NotChecked=0, Total=210 [2022-11-20 10:48:39,177 INFO L413 NwaCegarLoop]: 712 mSDtfsCounter, 8 mSDsluCounter, 4316 mSDsCounter, 0 mSdLazyCounter, 379 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 5028 SdHoareTripleChecker+Invalid, 589 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 379 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 209 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-11-20 10:48:39,177 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 5028 Invalid, 589 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 379 Invalid, 0 Unknown, 209 Unchecked, 2.4s Time] [2022-11-20 10:48:39,180 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2138 states. [2022-11-20 10:48:39,328 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2138 to 2125. [2022-11-20 10:48:39,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2125 states, 1503 states have (on average 1.2188955422488357) internal successors, (1832), 1541 states have internal predecessors, (1832), 455 states have call successors, (455), 159 states have call predecessors, (455), 166 states have return successors, (495), 447 states have call predecessors, (495), 453 states have call successors, (495) [2022-11-20 10:48:39,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2125 states to 2125 states and 2782 transitions. [2022-11-20 10:48:39,343 INFO L78 Accepts]: Start accepts. Automaton has 2125 states and 2782 transitions. Word has length 169 [2022-11-20 10:48:39,344 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:48:39,344 INFO L495 AbstractCegarLoop]: Abstraction has 2125 states and 2782 transitions. [2022-11-20 10:48:39,344 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 10.0) internal successors, (90), 8 states have internal predecessors, (90), 4 states have call successors, (19), 3 states have call predecessors, (19), 5 states have return successors, (17), 5 states have call predecessors, (17), 4 states have call successors, (17) [2022-11-20 10:48:39,345 INFO L276 IsEmpty]: Start isEmpty. Operand 2125 states and 2782 transitions. [2022-11-20 10:48:39,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2022-11-20 10:48:39,349 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:48:39,349 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 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] [2022-11-20 10:48:39,370 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b89921c5-e1b1-4abe-b4b2-d623edf2eebe/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2022-11-20 10:48:39,564 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b89921c5-e1b1-4abe-b4b2-d623edf2eebe/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 10:48:39,564 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 10:48:39,564 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:48:39,565 INFO L85 PathProgramCache]: Analyzing trace with hash -1032620665, now seen corresponding path program 1 times [2022-11-20 10:48:39,565 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:48:39,565 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1107705982] [2022-11-20 10:48:39,565 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:48:39,565 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:48:39,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:48:40,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-20 10:48:40,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:48:40,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-11-20 10:48:40,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:48:40,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-11-20 10:48:40,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:48:40,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-11-20 10:48:40,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:48:40,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2022-11-20 10:48:40,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:48:40,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-11-20 10:48:40,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:48:40,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-11-20 10:48:40,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:48:40,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2022-11-20 10:48:40,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:48:40,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 10:48:40,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:48:40,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-11-20 10:48:40,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:48:40,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-11-20 10:48:40,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:48:40,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 10:48:40,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:48:40,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-11-20 10:48:40,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:48:40,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-20 10:48:40,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:48:40,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 10:48:40,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:48:40,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-11-20 10:48:40,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:48:40,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2022-11-20 10:48:40,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:48:40,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 10:48:40,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:48:40,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-11-20 10:48:40,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:48:40,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2022-11-20 10:48:40,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:48:40,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-11-20 10:48:40,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:48:40,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2022-11-20 10:48:40,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:48:40,295 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 12 proven. 3 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2022-11-20 10:48:40,295 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:48:40,295 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1107705982] [2022-11-20 10:48:40,295 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1107705982] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 10:48:40,296 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1890119100] [2022-11-20 10:48:40,296 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:48:40,296 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 10:48:40,296 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b89921c5-e1b1-4abe-b4b2-d623edf2eebe/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:48:40,297 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b89921c5-e1b1-4abe-b4b2-d623edf2eebe/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 10:48:40,325 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b89921c5-e1b1-4abe-b4b2-d623edf2eebe/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2022-11-20 10:48:41,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:48:41,071 INFO L263 TraceCheckSpWp]: Trace formula consists of 2000 conjuncts, 23 conjunts are in the unsatisfiable core [2022-11-20 10:48:41,075 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 10:48:41,204 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-20 10:48:41,234 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 20 treesize of output 8 [2022-11-20 10:48:41,256 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 122 trivial. 0 not checked. [2022-11-20 10:48:41,256 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 10:48:41,256 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1890119100] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:48:41,256 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-20 10:48:41,257 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [10] total 19 [2022-11-20 10:48:41,257 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1576673562] [2022-11-20 10:48:41,257 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:48:41,258 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-11-20 10:48:41,258 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:48:41,258 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-20 10:48:41,258 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=305, Unknown=0, NotChecked=0, Total=342 [2022-11-20 10:48:41,258 INFO L87 Difference]: Start difference. First operand 2125 states and 2782 transitions. Second operand has 11 states, 11 states have (on average 7.909090909090909) internal successors, (87), 8 states have internal predecessors, (87), 2 states have call successors, (18), 2 states have call predecessors, (18), 5 states have return successors, (18), 5 states have call predecessors, (18), 2 states have call successors, (18) [2022-11-20 10:48:43,415 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:48:43,415 INFO L93 Difference]: Finished difference Result 2233 states and 2912 transitions. [2022-11-20 10:48:43,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-20 10:48:43,415 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 7.909090909090909) internal successors, (87), 8 states have internal predecessors, (87), 2 states have call successors, (18), 2 states have call predecessors, (18), 5 states have return successors, (18), 5 states have call predecessors, (18), 2 states have call successors, (18) Word has length 179 [2022-11-20 10:48:43,415 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:48:43,424 INFO L225 Difference]: With dead ends: 2233 [2022-11-20 10:48:43,424 INFO L226 Difference]: Without dead ends: 2138 [2022-11-20 10:48:43,426 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 231 GetRequests, 212 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=45, Invalid=375, Unknown=0, NotChecked=0, Total=420 [2022-11-20 10:48:43,427 INFO L413 NwaCegarLoop]: 692 mSDtfsCounter, 12 mSDsluCounter, 6095 mSDsCounter, 0 mSdLazyCounter, 239 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 6787 SdHoareTripleChecker+Invalid, 240 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 239 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2022-11-20 10:48:43,427 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 6787 Invalid, 240 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 239 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2022-11-20 10:48:43,429 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2138 states. [2022-11-20 10:48:43,529 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2138 to 2130. [2022-11-20 10:48:43,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2130 states, 1508 states have (on average 1.2181697612732096) internal successors, (1837), 1545 states have internal predecessors, (1837), 455 states have call successors, (455), 159 states have call predecessors, (455), 166 states have return successors, (495), 448 states have call predecessors, (495), 453 states have call successors, (495) [2022-11-20 10:48:43,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2130 states to 2130 states and 2787 transitions. [2022-11-20 10:48:43,539 INFO L78 Accepts]: Start accepts. Automaton has 2130 states and 2787 transitions. Word has length 179 [2022-11-20 10:48:43,540 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:48:43,540 INFO L495 AbstractCegarLoop]: Abstraction has 2130 states and 2787 transitions. [2022-11-20 10:48:43,540 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 7.909090909090909) internal successors, (87), 8 states have internal predecessors, (87), 2 states have call successors, (18), 2 states have call predecessors, (18), 5 states have return successors, (18), 5 states have call predecessors, (18), 2 states have call successors, (18) [2022-11-20 10:48:43,540 INFO L276 IsEmpty]: Start isEmpty. Operand 2130 states and 2787 transitions. [2022-11-20 10:48:43,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2022-11-20 10:48:43,544 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:48:43,544 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 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] [2022-11-20 10:48:43,558 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b89921c5-e1b1-4abe-b4b2-d623edf2eebe/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2022-11-20 10:48:43,753 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b89921c5-e1b1-4abe-b4b2-d623edf2eebe/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2022-11-20 10:48:43,753 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 10:48:43,754 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:48:43,754 INFO L85 PathProgramCache]: Analyzing trace with hash -1804957753, now seen corresponding path program 2 times [2022-11-20 10:48:43,754 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:48:43,754 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1227691769] [2022-11-20 10:48:43,755 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:48:43,755 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:48:43,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:48:44,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-20 10:48:44,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:48:44,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-11-20 10:48:44,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:48:44,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-11-20 10:48:44,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:48:44,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-11-20 10:48:44,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:48:44,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2022-11-20 10:48:44,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:48:44,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-11-20 10:48:44,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:48:44,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-11-20 10:48:44,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:48:44,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2022-11-20 10:48:44,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:48:44,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 10:48:44,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:48:44,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-11-20 10:48:44,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:48:44,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-11-20 10:48:44,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:48:44,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 10:48:44,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:48:44,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-11-20 10:48:44,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:48:44,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-20 10:48:44,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:48:44,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 10:48:44,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:48:44,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-11-20 10:48:44,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:48:44,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2022-11-20 10:48:44,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:48:44,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 10:48:44,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:48:44,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-11-20 10:48:44,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:48:44,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2022-11-20 10:48:44,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:48:44,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-11-20 10:48:44,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:48:44,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2022-11-20 10:48:44,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:48:44,452 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 12 proven. 3 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2022-11-20 10:48:44,452 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:48:44,452 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1227691769] [2022-11-20 10:48:44,453 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1227691769] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 10:48:44,453 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1201037849] [2022-11-20 10:48:44,453 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-20 10:48:44,453 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 10:48:44,453 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b89921c5-e1b1-4abe-b4b2-d623edf2eebe/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:48:44,454 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b89921c5-e1b1-4abe-b4b2-d623edf2eebe/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 10:48:44,477 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b89921c5-e1b1-4abe-b4b2-d623edf2eebe/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2022-11-20 10:48:45,315 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-11-20 10:48:45,315 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-20 10:48:45,324 INFO L263 TraceCheckSpWp]: Trace formula consists of 2000 conjuncts, 21 conjunts are in the unsatisfiable core [2022-11-20 10:48:45,330 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 10:48:45,655 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 19 treesize of output 7 [2022-11-20 10:48:45,659 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 19 treesize of output 7 [2022-11-20 10:48:45,681 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 3 proven. 12 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2022-11-20 10:48:45,681 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 10:48:45,880 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2022-11-20 10:48:45,881 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1201037849] provided 1 perfect and 1 imperfect interpolant sequences [2022-11-20 10:48:45,881 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-20 10:48:45,881 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [10, 8] total 12 [2022-11-20 10:48:45,881 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [666480150] [2022-11-20 10:48:45,882 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:48:45,882 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-20 10:48:45,882 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:48:45,883 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-20 10:48:45,884 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2022-11-20 10:48:45,884 INFO L87 Difference]: Start difference. First operand 2130 states and 2787 transitions. Second operand has 7 states, 6 states have (on average 14.0) internal successors, (84), 6 states have internal predecessors, (84), 4 states have call successors, (18), 3 states have call predecessors, (18), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-11-20 10:48:46,933 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:48:46,933 INFO L93 Difference]: Finished difference Result 2196 states and 2846 transitions. [2022-11-20 10:48:46,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-20 10:48:46,934 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 14.0) internal successors, (84), 6 states have internal predecessors, (84), 4 states have call successors, (18), 3 states have call predecessors, (18), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 179 [2022-11-20 10:48:46,934 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:48:46,944 INFO L225 Difference]: With dead ends: 2196 [2022-11-20 10:48:46,944 INFO L226 Difference]: Without dead ends: 2101 [2022-11-20 10:48:46,946 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 409 GetRequests, 392 SyntacticMatches, 5 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=36, Invalid=146, Unknown=0, NotChecked=0, Total=182 [2022-11-20 10:48:46,947 INFO L413 NwaCegarLoop]: 689 mSDtfsCounter, 8 mSDsluCounter, 2609 mSDsCounter, 0 mSdLazyCounter, 167 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 3298 SdHoareTripleChecker+Invalid, 176 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 167 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-11-20 10:48:46,947 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 3298 Invalid, 176 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 167 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-11-20 10:48:46,950 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2101 states. [2022-11-20 10:48:47,051 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2101 to 2096. [2022-11-20 10:48:47,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2096 states, 1488 states have (on average 1.2204301075268817) internal successors, (1816), 1526 states have internal predecessors, (1816), 441 states have call successors, (441), 159 states have call predecessors, (441), 166 states have return successors, (471), 433 states have call predecessors, (471), 439 states have call successors, (471) [2022-11-20 10:48:47,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2096 states to 2096 states and 2728 transitions. [2022-11-20 10:48:47,062 INFO L78 Accepts]: Start accepts. Automaton has 2096 states and 2728 transitions. Word has length 179 [2022-11-20 10:48:47,063 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:48:47,063 INFO L495 AbstractCegarLoop]: Abstraction has 2096 states and 2728 transitions. [2022-11-20 10:48:47,063 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 14.0) internal successors, (84), 6 states have internal predecessors, (84), 4 states have call successors, (18), 3 states have call predecessors, (18), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-11-20 10:48:47,064 INFO L276 IsEmpty]: Start isEmpty. Operand 2096 states and 2728 transitions. [2022-11-20 10:48:47,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 258 [2022-11-20 10:48:47,069 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:48:47,069 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2022-11-20 10:48:47,087 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b89921c5-e1b1-4abe-b4b2-d623edf2eebe/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2022-11-20 10:48:47,279 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b89921c5-e1b1-4abe-b4b2-d623edf2eebe/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2022-11-20 10:48:47,280 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 10:48:47,280 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:48:47,280 INFO L85 PathProgramCache]: Analyzing trace with hash -1446926880, now seen corresponding path program 1 times [2022-11-20 10:48:47,280 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:48:47,280 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [239748775] [2022-11-20 10:48:47,280 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:48:47,280 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:48:47,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:48:48,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-20 10:48:48,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:48:48,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-11-20 10:48:48,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:48:48,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-11-20 10:48:48,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:48:48,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-11-20 10:48:48,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:48:48,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2022-11-20 10:48:48,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:48:48,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-11-20 10:48:48,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:48:48,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-11-20 10:48:48,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:48:48,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2022-11-20 10:48:48,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:48:48,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 10:48:48,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:48:48,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-11-20 10:48:48,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:48:48,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-11-20 10:48:48,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:48:48,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 10:48:48,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:48:48,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-11-20 10:48:48,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:48:48,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-20 10:48:48,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:48:48,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 10:48:48,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:48:48,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-11-20 10:48:48,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:48:48,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2022-11-20 10:48:48,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:48:48,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 10:48:48,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:48:48,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-11-20 10:48:48,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:48:48,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2022-11-20 10:48:48,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:48:48,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-11-20 10:48:48,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:48:48,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2022-11-20 10:48:48,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:48:48,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-11-20 10:48:48,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:48:48,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-11-20 10:48:48,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:48:48,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2022-11-20 10:48:48,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:48:48,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-11-20 10:48:48,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:48:48,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 10:48:48,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:48:48,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2022-11-20 10:48:48,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:48:48,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 10:48:48,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:48:48,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-11-20 10:48:48,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:48:48,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 10:48:48,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:48:48,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-11-20 10:48:48,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:48:48,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2022-11-20 10:48:48,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:48:48,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2022-11-20 10:48:48,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:48:49,000 INFO L134 CoverageAnalysis]: Checked inductivity of 214 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 208 trivial. 0 not checked. [2022-11-20 10:48:49,001 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:48:49,001 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [239748775] [2022-11-20 10:48:49,001 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [239748775] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 10:48:49,001 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1712392634] [2022-11-20 10:48:49,001 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:48:49,001 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 10:48:49,002 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b89921c5-e1b1-4abe-b4b2-d623edf2eebe/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:48:49,003 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b89921c5-e1b1-4abe-b4b2-d623edf2eebe/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 10:48:49,026 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b89921c5-e1b1-4abe-b4b2-d623edf2eebe/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2022-11-20 10:48:50,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:48:50,079 INFO L263 TraceCheckSpWp]: Trace formula consists of 3042 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-20 10:48:50,084 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 10:48:50,125 INFO L134 CoverageAnalysis]: Checked inductivity of 214 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 214 trivial. 0 not checked. [2022-11-20 10:48:50,126 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 10:48:50,126 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1712392634] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:48:50,126 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-20 10:48:50,126 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [9] total 11 [2022-11-20 10:48:50,127 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1650162275] [2022-11-20 10:48:50,127 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:48:50,129 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-20 10:48:50,129 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:48:50,130 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 10:48:50,130 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2022-11-20 10:48:50,130 INFO L87 Difference]: Start difference. First operand 2096 states and 2728 transitions. Second operand has 4 states, 4 states have (on average 29.75) internal successors, (119), 4 states have internal predecessors, (119), 3 states have call successors, (27), 3 states have call predecessors, (27), 3 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2022-11-20 10:48:50,401 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:48:50,401 INFO L93 Difference]: Finished difference Result 2116 states and 2746 transitions. [2022-11-20 10:48:50,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-20 10:48:50,401 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 29.75) internal successors, (119), 4 states have internal predecessors, (119), 3 states have call successors, (27), 3 states have call predecessors, (27), 3 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) Word has length 257 [2022-11-20 10:48:50,402 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:48:50,412 INFO L225 Difference]: With dead ends: 2116 [2022-11-20 10:48:50,412 INFO L226 Difference]: Without dead ends: 2106 [2022-11-20 10:48:50,413 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 335 GetRequests, 325 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2022-11-20 10:48:50,414 INFO L413 NwaCegarLoop]: 854 mSDtfsCounter, 869 mSDsluCounter, 703 mSDsCounter, 0 mSdLazyCounter, 60 mSolverCounterSat, 60 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 869 SdHoareTripleChecker+Valid, 1557 SdHoareTripleChecker+Invalid, 120 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 60 IncrementalHoareTripleChecker+Valid, 60 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-20 10:48:50,414 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [869 Valid, 1557 Invalid, 120 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [60 Valid, 60 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-20 10:48:50,417 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2106 states. [2022-11-20 10:48:50,524 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2106 to 2096. [2022-11-20 10:48:50,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2096 states, 1488 states have (on average 1.219758064516129) internal successors, (1815), 1526 states have internal predecessors, (1815), 441 states have call successors, (441), 159 states have call predecessors, (441), 166 states have return successors, (471), 433 states have call predecessors, (471), 439 states have call successors, (471) [2022-11-20 10:48:50,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2096 states to 2096 states and 2727 transitions. [2022-11-20 10:48:50,534 INFO L78 Accepts]: Start accepts. Automaton has 2096 states and 2727 transitions. Word has length 257 [2022-11-20 10:48:50,534 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:48:50,534 INFO L495 AbstractCegarLoop]: Abstraction has 2096 states and 2727 transitions. [2022-11-20 10:48:50,535 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 29.75) internal successors, (119), 4 states have internal predecessors, (119), 3 states have call successors, (27), 3 states have call predecessors, (27), 3 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2022-11-20 10:48:50,535 INFO L276 IsEmpty]: Start isEmpty. Operand 2096 states and 2727 transitions. [2022-11-20 10:48:50,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 263 [2022-11-20 10:48:50,540 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:48:50,540 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:48:50,556 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b89921c5-e1b1-4abe-b4b2-d623edf2eebe/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2022-11-20 10:48:50,751 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b89921c5-e1b1-4abe-b4b2-d623edf2eebe/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2022-11-20 10:48:50,752 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 10:48:50,752 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:48:50,752 INFO L85 PathProgramCache]: Analyzing trace with hash -470999828, now seen corresponding path program 1 times [2022-11-20 10:48:50,752 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:48:50,753 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1257020186] [2022-11-20 10:48:50,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:48:50,753 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:48:50,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:48:51,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-20 10:48:51,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:48:51,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-11-20 10:48:51,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:48:51,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-11-20 10:48:51,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:48:51,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-11-20 10:48:51,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:48:51,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2022-11-20 10:48:51,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:48:51,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-11-20 10:48:51,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:48:51,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-11-20 10:48:51,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:48:51,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2022-11-20 10:48:51,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:48:51,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 10:48:51,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:48:51,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-11-20 10:48:51,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:48:51,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-11-20 10:48:51,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:48:51,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 10:48:51,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:48:51,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-11-20 10:48:51,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:48:51,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-20 10:48:51,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:48:52,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 10:48:52,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:48:52,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-11-20 10:48:52,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:48:52,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2022-11-20 10:48:52,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:48:52,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 10:48:52,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:48:52,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-11-20 10:48:52,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:48:52,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2022-11-20 10:48:52,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:48:52,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-11-20 10:48:52,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:48:52,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2022-11-20 10:48:52,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:48:52,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-11-20 10:48:52,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:48:52,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-11-20 10:48:52,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:48:52,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2022-11-20 10:48:52,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:48:52,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-11-20 10:48:52,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:48:52,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 10:48:52,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:48:52,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2022-11-20 10:48:52,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:48:52,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 10:48:52,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:48:52,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-11-20 10:48:52,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:48:52,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 10:48:52,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:48:52,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-11-20 10:48:52,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:48:52,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2022-11-20 10:48:52,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:48:52,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2022-11-20 10:48:52,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:48:52,179 INFO L134 CoverageAnalysis]: Checked inductivity of 217 backedges. 7 proven. 2 refuted. 0 times theorem prover too weak. 208 trivial. 0 not checked. [2022-11-20 10:48:52,179 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:48:52,179 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1257020186] [2022-11-20 10:48:52,179 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1257020186] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 10:48:52,179 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1729267124] [2022-11-20 10:48:52,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:48:52,180 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 10:48:52,180 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b89921c5-e1b1-4abe-b4b2-d623edf2eebe/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:48:52,183 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b89921c5-e1b1-4abe-b4b2-d623edf2eebe/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 10:48:52,210 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b89921c5-e1b1-4abe-b4b2-d623edf2eebe/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2022-11-20 10:48:53,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:48:53,249 INFO L263 TraceCheckSpWp]: Trace formula consists of 3056 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-20 10:48:53,255 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 10:48:53,403 INFO L134 CoverageAnalysis]: Checked inductivity of 217 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 214 trivial. 0 not checked. [2022-11-20 10:48:53,403 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 10:48:53,403 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1729267124] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:48:53,403 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-20 10:48:53,403 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [9] total 11 [2022-11-20 10:48:53,404 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [938244024] [2022-11-20 10:48:53,404 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:48:53,404 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-20 10:48:53,404 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:48:53,405 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 10:48:53,405 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2022-11-20 10:48:53,405 INFO L87 Difference]: Start difference. First operand 2096 states and 2727 transitions. Second operand has 4 states, 4 states have (on average 31.0) internal successors, (124), 4 states have internal predecessors, (124), 3 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2022-11-20 10:48:53,822 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:48:53,822 INFO L93 Difference]: Finished difference Result 3869 states and 5045 transitions. [2022-11-20 10:48:53,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-20 10:48:53,823 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 31.0) internal successors, (124), 4 states have internal predecessors, (124), 3 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) Word has length 262 [2022-11-20 10:48:53,824 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:48:53,831 INFO L225 Difference]: With dead ends: 3869 [2022-11-20 10:48:53,831 INFO L226 Difference]: Without dead ends: 2100 [2022-11-20 10:48:53,837 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 338 GetRequests, 329 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2022-11-20 10:48:53,837 INFO L413 NwaCegarLoop]: 900 mSDtfsCounter, 373 mSDsluCounter, 610 mSDsCounter, 0 mSdLazyCounter, 101 mSolverCounterSat, 52 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 488 SdHoareTripleChecker+Valid, 1510 SdHoareTripleChecker+Invalid, 153 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 52 IncrementalHoareTripleChecker+Valid, 101 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-20 10:48:53,838 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [488 Valid, 1510 Invalid, 153 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [52 Valid, 101 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-20 10:48:53,840 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2100 states. [2022-11-20 10:48:53,982 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2100 to 2096. [2022-11-20 10:48:53,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2096 states, 1488 states have (on average 1.2184139784946237) internal successors, (1813), 1526 states have internal predecessors, (1813), 441 states have call successors, (441), 159 states have call predecessors, (441), 166 states have return successors, (471), 433 states have call predecessors, (471), 439 states have call successors, (471) [2022-11-20 10:48:53,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2096 states to 2096 states and 2725 transitions. [2022-11-20 10:48:53,992 INFO L78 Accepts]: Start accepts. Automaton has 2096 states and 2725 transitions. Word has length 262 [2022-11-20 10:48:53,993 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:48:53,994 INFO L495 AbstractCegarLoop]: Abstraction has 2096 states and 2725 transitions. [2022-11-20 10:48:53,994 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 31.0) internal successors, (124), 4 states have internal predecessors, (124), 3 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2022-11-20 10:48:53,994 INFO L276 IsEmpty]: Start isEmpty. Operand 2096 states and 2725 transitions. [2022-11-20 10:48:53,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 283 [2022-11-20 10:48:53,998 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:48:53,998 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:48:54,015 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b89921c5-e1b1-4abe-b4b2-d623edf2eebe/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2022-11-20 10:48:54,209 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b89921c5-e1b1-4abe-b4b2-d623edf2eebe/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2022-11-20 10:48:54,210 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 10:48:54,210 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:48:54,211 INFO L85 PathProgramCache]: Analyzing trace with hash -1090128094, now seen corresponding path program 1 times [2022-11-20 10:48:54,211 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:48:54,211 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1858402555] [2022-11-20 10:48:54,211 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:48:54,211 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:48:54,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:48:55,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-20 10:48:55,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:48:55,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-11-20 10:48:55,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:48:55,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-11-20 10:48:55,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:48:55,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-11-20 10:48:55,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:48:55,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2022-11-20 10:48:55,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:48:55,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-11-20 10:48:55,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:48:55,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-11-20 10:48:55,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:48:55,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2022-11-20 10:48:55,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:48:55,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 10:48:55,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:48:55,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-11-20 10:48:55,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:48:55,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-11-20 10:48:55,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:48:55,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 10:48:55,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:48:55,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-11-20 10:48:55,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:48:55,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-20 10:48:55,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:48:55,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 10:48:55,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:48:55,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-11-20 10:48:55,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:48:55,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2022-11-20 10:48:55,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:48:55,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 10:48:55,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:48:55,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-11-20 10:48:55,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:48:55,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2022-11-20 10:48:55,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:48:55,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-11-20 10:48:55,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:48:55,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2022-11-20 10:48:55,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:48:55,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-11-20 10:48:55,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:48:55,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-11-20 10:48:55,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:48:55,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2022-11-20 10:48:55,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:48:55,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-11-20 10:48:55,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:48:55,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 10:48:55,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:48:55,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2022-11-20 10:48:55,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:48:55,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 10:48:55,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:48:55,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-11-20 10:48:55,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:48:55,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 10:48:55,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:48:55,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-11-20 10:48:55,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:48:55,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2022-11-20 10:48:55,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:48:55,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-11-20 10:48:55,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:48:55,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2022-11-20 10:48:55,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:48:55,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2022-11-20 10:48:55,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:48:55,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2022-11-20 10:48:55,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:48:55,692 INFO L134 CoverageAnalysis]: Checked inductivity of 227 backedges. 11 proven. 2 refuted. 0 times theorem prover too weak. 214 trivial. 0 not checked. [2022-11-20 10:48:55,692 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:48:55,692 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1858402555] [2022-11-20 10:48:55,692 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1858402555] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 10:48:55,692 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [430490309] [2022-11-20 10:48:55,693 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:48:55,693 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 10:48:55,693 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b89921c5-e1b1-4abe-b4b2-d623edf2eebe/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:48:55,694 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b89921c5-e1b1-4abe-b4b2-d623edf2eebe/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 10:48:55,706 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b89921c5-e1b1-4abe-b4b2-d623edf2eebe/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2022-11-20 10:48:56,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:48:56,800 INFO L263 TraceCheckSpWp]: Trace formula consists of 3153 conjuncts, 25 conjunts are in the unsatisfiable core [2022-11-20 10:48:56,809 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 10:48:56,847 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 13 treesize of output 9 [2022-11-20 10:48:56,851 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 13 treesize of output 9 [2022-11-20 10:48:56,976 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2022-11-20 10:48:56,982 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 23 treesize of output 22 [2022-11-20 10:48:56,995 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 19 treesize of output 7 [2022-11-20 10:48:57,000 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 19 treesize of output 7 [2022-11-20 10:48:57,007 INFO L134 CoverageAnalysis]: Checked inductivity of 227 backedges. 61 proven. 2 refuted. 0 times theorem prover too weak. 164 trivial. 0 not checked. [2022-11-20 10:48:57,007 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 10:48:57,219 INFO L134 CoverageAnalysis]: Checked inductivity of 227 backedges. 11 proven. 2 refuted. 0 times theorem prover too weak. 214 trivial. 0 not checked. [2022-11-20 10:48:57,219 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [430490309] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-20 10:48:57,219 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-20 10:48:57,219 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 7, 6] total 10 [2022-11-20 10:48:57,220 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1595146979] [2022-11-20 10:48:57,220 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-20 10:48:57,222 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-20 10:48:57,222 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:48:57,222 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-20 10:48:57,223 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2022-11-20 10:48:57,223 INFO L87 Difference]: Start difference. First operand 2096 states and 2725 transitions. Second operand has 10 states, 10 states have (on average 17.4) internal successors, (174), 6 states have internal predecessors, (174), 5 states have call successors, (58), 6 states have call predecessors, (58), 4 states have return successors, (49), 5 states have call predecessors, (49), 5 states have call successors, (49) [2022-11-20 10:49:01,011 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:49:01,011 INFO L93 Difference]: Finished difference Result 3939 states and 5162 transitions. [2022-11-20 10:49:01,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-20 10:49:01,012 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 17.4) internal successors, (174), 6 states have internal predecessors, (174), 5 states have call successors, (58), 6 states have call predecessors, (58), 4 states have return successors, (49), 5 states have call predecessors, (49), 5 states have call successors, (49) Word has length 282 [2022-11-20 10:49:01,012 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:49:01,021 INFO L225 Difference]: With dead ends: 3939 [2022-11-20 10:49:01,021 INFO L226 Difference]: Without dead ends: 2140 [2022-11-20 10:49:01,027 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 653 GetRequests, 635 SyntacticMatches, 4 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=55, Invalid=185, Unknown=0, NotChecked=0, Total=240 [2022-11-20 10:49:01,028 INFO L413 NwaCegarLoop]: 480 mSDtfsCounter, 319 mSDsluCounter, 2226 mSDsCounter, 0 mSdLazyCounter, 1638 mSolverCounterSat, 244 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 328 SdHoareTripleChecker+Valid, 2706 SdHoareTripleChecker+Invalid, 2309 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 244 IncrementalHoareTripleChecker+Valid, 1638 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 427 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2022-11-20 10:49:01,028 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [328 Valid, 2706 Invalid, 2309 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [244 Valid, 1638 Invalid, 0 Unknown, 427 Unchecked, 3.5s Time] [2022-11-20 10:49:01,031 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2140 states. [2022-11-20 10:49:01,161 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2140 to 2070. [2022-11-20 10:49:01,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2070 states, 1471 states have (on average 1.2202583276682528) internal successors, (1795), 1508 states have internal predecessors, (1795), 438 states have call successors, (438), 156 states have call predecessors, (438), 160 states have return successors, (464), 428 states have call predecessors, (464), 436 states have call successors, (464) [2022-11-20 10:49:01,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2070 states to 2070 states and 2697 transitions. [2022-11-20 10:49:01,172 INFO L78 Accepts]: Start accepts. Automaton has 2070 states and 2697 transitions. Word has length 282 [2022-11-20 10:49:01,172 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:49:01,172 INFO L495 AbstractCegarLoop]: Abstraction has 2070 states and 2697 transitions. [2022-11-20 10:49:01,172 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 17.4) internal successors, (174), 6 states have internal predecessors, (174), 5 states have call successors, (58), 6 states have call predecessors, (58), 4 states have return successors, (49), 5 states have call predecessors, (49), 5 states have call successors, (49) [2022-11-20 10:49:01,173 INFO L276 IsEmpty]: Start isEmpty. Operand 2070 states and 2697 transitions. [2022-11-20 10:49:01,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 283 [2022-11-20 10:49:01,176 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:49:01,176 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:49:01,188 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b89921c5-e1b1-4abe-b4b2-d623edf2eebe/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2022-11-20 10:49:01,388 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b89921c5-e1b1-4abe-b4b2-d623edf2eebe/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 10:49:01,389 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 10:49:01,389 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:49:01,389 INFO L85 PathProgramCache]: Analyzing trace with hash 227335394, now seen corresponding path program 2 times [2022-11-20 10:49:01,389 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:49:01,390 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1416435040] [2022-11-20 10:49:01,390 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:49:01,390 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:49:01,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:49:02,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-20 10:49:02,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:49:02,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-11-20 10:49:02,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:49:02,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-11-20 10:49:02,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:49:02,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-11-20 10:49:02,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:49:02,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2022-11-20 10:49:02,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:49:02,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-11-20 10:49:02,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:49:02,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-11-20 10:49:02,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:49:02,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2022-11-20 10:49:02,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:49:02,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 10:49:02,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:49:02,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-11-20 10:49:02,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:49:02,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-11-20 10:49:02,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:49:02,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 10:49:02,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:49:02,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-11-20 10:49:02,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:49:02,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-20 10:49:02,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:49:02,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 10:49:02,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:49:02,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-11-20 10:49:02,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:49:02,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2022-11-20 10:49:02,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:49:02,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 10:49:02,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:49:02,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-11-20 10:49:02,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:49:02,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2022-11-20 10:49:02,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:49:02,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-11-20 10:49:02,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:49:02,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2022-11-20 10:49:02,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:49:02,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-11-20 10:49:02,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:49:02,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-11-20 10:49:02,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:49:02,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2022-11-20 10:49:02,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:49:02,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-11-20 10:49:02,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:49:02,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 10:49:02,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:49:02,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2022-11-20 10:49:02,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:49:02,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 10:49:02,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:49:02,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-11-20 10:49:02,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:49:02,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 10:49:02,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:49:02,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-11-20 10:49:02,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:49:02,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2022-11-20 10:49:02,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:49:02,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-11-20 10:49:02,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:49:02,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2022-11-20 10:49:02,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:49:02,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2022-11-20 10:49:02,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:49:02,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2022-11-20 10:49:02,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:49:02,567 INFO L134 CoverageAnalysis]: Checked inductivity of 227 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 214 trivial. 0 not checked. [2022-11-20 10:49:02,567 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:49:02,567 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1416435040] [2022-11-20 10:49:02,568 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1416435040] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:49:02,568 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:49:02,568 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-20 10:49:02,568 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1882497332] [2022-11-20 10:49:02,568 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:49:02,569 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-20 10:49:02,569 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:49:02,569 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-20 10:49:02,570 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2022-11-20 10:49:02,570 INFO L87 Difference]: Start difference. First operand 2070 states and 2697 transitions. Second operand has 9 states, 9 states have (on average 15.0) internal successors, (135), 5 states have internal predecessors, (135), 3 states have call successors, (30), 5 states have call predecessors, (30), 2 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) [2022-11-20 10:49:07,023 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:49:07,023 INFO L93 Difference]: Finished difference Result 3888 states and 5107 transitions. [2022-11-20 10:49:07,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-20 10:49:07,024 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 15.0) internal successors, (135), 5 states have internal predecessors, (135), 3 states have call successors, (30), 5 states have call predecessors, (30), 2 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) Word has length 282 [2022-11-20 10:49:07,024 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:49:07,032 INFO L225 Difference]: With dead ends: 3888 [2022-11-20 10:49:07,032 INFO L226 Difference]: Without dead ends: 2133 [2022-11-20 10:49:07,038 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 77 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2022-11-20 10:49:07,038 INFO L413 NwaCegarLoop]: 475 mSDtfsCounter, 317 mSDsluCounter, 2170 mSDsCounter, 0 mSdLazyCounter, 2038 mSolverCounterSat, 242 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 326 SdHoareTripleChecker+Valid, 2645 SdHoareTripleChecker+Invalid, 2280 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 242 IncrementalHoareTripleChecker+Valid, 2038 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2022-11-20 10:49:07,039 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [326 Valid, 2645 Invalid, 2280 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [242 Valid, 2038 Invalid, 0 Unknown, 0 Unchecked, 4.2s Time] [2022-11-20 10:49:07,042 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2133 states. [2022-11-20 10:49:07,150 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2133 to 2063. [2022-11-20 10:49:07,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2063 states, 1466 states have (on average 1.2210095497953615) internal successors, (1790), 1503 states have internal predecessors, (1790), 438 states have call successors, (438), 156 states have call predecessors, (438), 158 states have return successors, (461), 426 states have call predecessors, (461), 436 states have call successors, (461) [2022-11-20 10:49:07,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2063 states to 2063 states and 2689 transitions. [2022-11-20 10:49:07,161 INFO L78 Accepts]: Start accepts. Automaton has 2063 states and 2689 transitions. Word has length 282 [2022-11-20 10:49:07,161 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:49:07,162 INFO L495 AbstractCegarLoop]: Abstraction has 2063 states and 2689 transitions. [2022-11-20 10:49:07,162 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 15.0) internal successors, (135), 5 states have internal predecessors, (135), 3 states have call successors, (30), 5 states have call predecessors, (30), 2 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) [2022-11-20 10:49:07,162 INFO L276 IsEmpty]: Start isEmpty. Operand 2063 states and 2689 transitions. [2022-11-20 10:49:07,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 283 [2022-11-20 10:49:07,174 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:49:07,175 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:49:07,175 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-11-20 10:49:07,175 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 10:49:07,175 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:49:07,176 INFO L85 PathProgramCache]: Analyzing trace with hash 2085649410, now seen corresponding path program 1 times [2022-11-20 10:49:07,176 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:49:07,176 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [85410426] [2022-11-20 10:49:07,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:49:07,176 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:49:07,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:49:07,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-20 10:49:07,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:49:07,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-11-20 10:49:07,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:49:07,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-11-20 10:49:07,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:49:07,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-11-20 10:49:07,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:49:07,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2022-11-20 10:49:07,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:49:07,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-11-20 10:49:07,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:49:07,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-11-20 10:49:07,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:49:07,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2022-11-20 10:49:07,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:49:07,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 10:49:07,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:49:07,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-11-20 10:49:07,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:49:07,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-11-20 10:49:07,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:49:07,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 10:49:07,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:49:07,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-11-20 10:49:07,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:49:07,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-20 10:49:07,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:49:07,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 10:49:07,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:49:07,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-11-20 10:49:07,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:49:07,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2022-11-20 10:49:07,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:49:07,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 10:49:07,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:49:07,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-11-20 10:49:07,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:49:07,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2022-11-20 10:49:07,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:49:07,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-11-20 10:49:07,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:49:07,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2022-11-20 10:49:07,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:49:07,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-11-20 10:49:07,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:49:07,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-11-20 10:49:07,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:49:07,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2022-11-20 10:49:07,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:49:07,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-11-20 10:49:07,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:49:08,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 10:49:08,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:49:08,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2022-11-20 10:49:08,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:49:08,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 10:49:08,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:49:08,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-11-20 10:49:08,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:49:08,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 10:49:08,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:49:08,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-11-20 10:49:08,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:49:08,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2022-11-20 10:49:08,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:49:08,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-11-20 10:49:08,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:49:08,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2022-11-20 10:49:08,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:49:08,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2022-11-20 10:49:08,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:49:08,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2022-11-20 10:49:08,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:49:08,126 INFO L134 CoverageAnalysis]: Checked inductivity of 227 backedges. 7 proven. 22 refuted. 0 times theorem prover too weak. 198 trivial. 0 not checked. [2022-11-20 10:49:08,126 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:49:08,126 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [85410426] [2022-11-20 10:49:08,126 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [85410426] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 10:49:08,126 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1762114829] [2022-11-20 10:49:08,127 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:49:08,127 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 10:49:08,127 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b89921c5-e1b1-4abe-b4b2-d623edf2eebe/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:49:08,128 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b89921c5-e1b1-4abe-b4b2-d623edf2eebe/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 10:49:08,150 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b89921c5-e1b1-4abe-b4b2-d623edf2eebe/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2022-11-20 10:49:10,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:49:10,052 INFO L263 TraceCheckSpWp]: Trace formula consists of 3161 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-20 10:49:10,059 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 10:49:10,118 INFO L134 CoverageAnalysis]: Checked inductivity of 227 backedges. 64 proven. 0 refuted. 0 times theorem prover too weak. 163 trivial. 0 not checked. [2022-11-20 10:49:10,119 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 10:49:10,119 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1762114829] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:49:10,119 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-20 10:49:10,119 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [8] total 10 [2022-11-20 10:49:10,119 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [635129259] [2022-11-20 10:49:10,120 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:49:10,120 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-20 10:49:10,120 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:49:10,121 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 10:49:10,121 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2022-11-20 10:49:10,121 INFO L87 Difference]: Start difference. First operand 2063 states and 2689 transitions. Second operand has 4 states, 4 states have (on average 36.5) internal successors, (146), 4 states have internal predecessors, (146), 3 states have call successors, (31), 2 states have call predecessors, (31), 3 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) [2022-11-20 10:49:10,388 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:49:10,388 INFO L93 Difference]: Finished difference Result 3807 states and 4991 transitions. [2022-11-20 10:49:10,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-20 10:49:10,389 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 36.5) internal successors, (146), 4 states have internal predecessors, (146), 3 states have call successors, (31), 2 states have call predecessors, (31), 3 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) Word has length 282 [2022-11-20 10:49:10,389 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:49:10,397 INFO L225 Difference]: With dead ends: 3807 [2022-11-20 10:49:10,397 INFO L226 Difference]: Without dead ends: 2071 [2022-11-20 10:49:10,402 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 360 GetRequests, 351 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2022-11-20 10:49:10,403 INFO L413 NwaCegarLoop]: 665 mSDtfsCounter, 23 mSDsluCounter, 1257 mSDsCounter, 0 mSdLazyCounter, 97 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 1922 SdHoareTripleChecker+Invalid, 116 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 97 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-20 10:49:10,403 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [24 Valid, 1922 Invalid, 116 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 97 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-20 10:49:10,406 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2071 states. [2022-11-20 10:49:10,568 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2071 to 2071. [2022-11-20 10:49:10,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2071 states, 1473 states have (on average 1.2206381534283774) internal successors, (1798), 1510 states have internal predecessors, (1798), 438 states have call successors, (438), 157 states have call predecessors, (438), 159 states have return successors, (461), 426 states have call predecessors, (461), 436 states have call successors, (461) [2022-11-20 10:49:10,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2071 states to 2071 states and 2697 transitions. [2022-11-20 10:49:10,578 INFO L78 Accepts]: Start accepts. Automaton has 2071 states and 2697 transitions. Word has length 282 [2022-11-20 10:49:10,579 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:49:10,579 INFO L495 AbstractCegarLoop]: Abstraction has 2071 states and 2697 transitions. [2022-11-20 10:49:10,579 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 36.5) internal successors, (146), 4 states have internal predecessors, (146), 3 states have call successors, (31), 2 states have call predecessors, (31), 3 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) [2022-11-20 10:49:10,579 INFO L276 IsEmpty]: Start isEmpty. Operand 2071 states and 2697 transitions. [2022-11-20 10:49:10,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 283 [2022-11-20 10:49:10,586 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:49:10,586 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:49:10,601 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b89921c5-e1b1-4abe-b4b2-d623edf2eebe/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2022-11-20 10:49:10,800 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b89921c5-e1b1-4abe-b4b2-d623edf2eebe/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable20 [2022-11-20 10:49:10,801 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 10:49:10,801 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:49:10,801 INFO L85 PathProgramCache]: Analyzing trace with hash -1166002814, now seen corresponding path program 1 times [2022-11-20 10:49:10,801 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:49:10,802 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2054988966] [2022-11-20 10:49:10,802 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:49:10,806 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:49:15,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:49:18,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-20 10:49:18,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:49:18,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-11-20 10:49:18,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:49:18,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-11-20 10:49:18,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:49:18,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-11-20 10:49:18,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:49:18,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2022-11-20 10:49:18,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:49:18,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-11-20 10:49:18,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:49:18,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-11-20 10:49:18,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:49:18,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2022-11-20 10:49:18,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:49:18,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 10:49:18,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:49:18,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-11-20 10:49:18,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:49:18,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-11-20 10:49:18,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:49:18,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 10:49:18,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:49:18,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-11-20 10:49:18,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:49:18,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-20 10:49:18,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:49:18,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 10:49:18,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:49:18,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-11-20 10:49:18,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:49:18,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2022-11-20 10:49:18,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:49:18,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 10:49:18,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:49:18,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-11-20 10:49:18,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:49:18,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2022-11-20 10:49:18,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:49:18,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-11-20 10:49:18,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:49:18,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2022-11-20 10:49:18,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:49:19,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-11-20 10:49:19,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:49:19,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-11-20 10:49:19,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:49:19,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2022-11-20 10:49:19,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:49:19,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-11-20 10:49:19,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:49:19,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 10:49:19,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:49:19,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2022-11-20 10:49:19,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:49:19,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 10:49:19,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:49:19,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-11-20 10:49:19,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:49:19,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 10:49:19,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:49:19,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-11-20 10:49:19,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:49:19,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2022-11-20 10:49:19,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:49:19,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-11-20 10:49:19,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:49:19,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2022-11-20 10:49:19,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:49:19,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2022-11-20 10:49:19,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:49:19,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2022-11-20 10:49:19,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:49:19,997 INFO L134 CoverageAnalysis]: Checked inductivity of 219 backedges. 23 proven. 30 refuted. 0 times theorem prover too weak. 166 trivial. 0 not checked. [2022-11-20 10:49:19,997 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:49:19,997 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2054988966] [2022-11-20 10:49:19,997 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2054988966] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 10:49:19,998 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [900473553] [2022-11-20 10:49:19,998 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:49:19,998 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 10:49:19,998 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b89921c5-e1b1-4abe-b4b2-d623edf2eebe/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:49:19,999 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b89921c5-e1b1-4abe-b4b2-d623edf2eebe/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 10:49:20,020 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b89921c5-e1b1-4abe-b4b2-d623edf2eebe/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2022-11-20 10:49:21,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:49:21,331 INFO L263 TraceCheckSpWp]: Trace formula consists of 3165 conjuncts, 93 conjunts are in the unsatisfiable core [2022-11-20 10:49:21,348 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 10:49:22,447 INFO L134 CoverageAnalysis]: Checked inductivity of 219 backedges. 73 proven. 6 refuted. 0 times theorem prover too weak. 140 trivial. 0 not checked. [2022-11-20 10:49:22,447 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 10:49:23,954 INFO L321 Elim1Store]: treesize reduction 4, result has 82.6 percent of original size [2022-11-20 10:49:23,954 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 53 treesize of output 36 [2022-11-20 10:49:24,119 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 130 treesize of output 74 [2022-11-20 10:49:24,139 INFO L321 Elim1Store]: treesize reduction 4, result has 63.6 percent of original size [2022-11-20 10:49:24,141 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 15 treesize of output 11 [2022-11-20 10:49:24,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 10:49:24,149 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-20 10:49:24,257 INFO L134 CoverageAnalysis]: Checked inductivity of 219 backedges. 23 proven. 31 refuted. 0 times theorem prover too weak. 165 trivial. 0 not checked. [2022-11-20 10:49:24,258 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [900473553] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-20 10:49:24,258 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-20 10:49:24,258 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 17, 15] total 42 [2022-11-20 10:49:24,258 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2121259141] [2022-11-20 10:49:24,258 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-20 10:49:24,259 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 42 states [2022-11-20 10:49:24,259 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:49:24,260 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 42 interpolants. [2022-11-20 10:49:24,260 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=152, Invalid=1570, Unknown=0, NotChecked=0, Total=1722 [2022-11-20 10:49:24,261 INFO L87 Difference]: Start difference. First operand 2071 states and 2697 transitions. Second operand has 42 states, 37 states have (on average 6.108108108108108) internal successors, (226), 32 states have internal predecessors, (226), 10 states have call successors, (54), 6 states have call predecessors, (54), 14 states have return successors, (48), 10 states have call predecessors, (48), 10 states have call successors, (48) [2022-11-20 10:49:48,759 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:49:48,759 INFO L93 Difference]: Finished difference Result 4048 states and 5363 transitions. [2022-11-20 10:49:48,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2022-11-20 10:49:48,763 INFO L78 Accepts]: Start accepts. Automaton has has 42 states, 37 states have (on average 6.108108108108108) internal successors, (226), 32 states have internal predecessors, (226), 10 states have call successors, (54), 6 states have call predecessors, (54), 14 states have return successors, (48), 10 states have call predecessors, (48), 10 states have call successors, (48) Word has length 282 [2022-11-20 10:49:48,764 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:49:48,773 INFO L225 Difference]: With dead ends: 4048 [2022-11-20 10:49:48,773 INFO L226 Difference]: Without dead ends: 2304 [2022-11-20 10:49:48,781 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 700 GetRequests, 622 SyntacticMatches, 1 SemanticMatches, 77 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1398 ImplicationChecksByTransitivity, 4.4s TimeCoverageRelationStatistics Valid=755, Invalid=5407, Unknown=0, NotChecked=0, Total=6162 [2022-11-20 10:49:48,782 INFO L413 NwaCegarLoop]: 455 mSDtfsCounter, 689 mSDsluCounter, 7855 mSDsCounter, 0 mSdLazyCounter, 9272 mSolverCounterSat, 398 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 720 SdHoareTripleChecker+Valid, 8310 SdHoareTripleChecker+Invalid, 12872 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 398 IncrementalHoareTripleChecker+Valid, 9272 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 3202 IncrementalHoareTripleChecker+Unchecked, 21.4s IncrementalHoareTripleChecker+Time [2022-11-20 10:49:48,782 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [720 Valid, 8310 Invalid, 12872 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [398 Valid, 9272 Invalid, 0 Unknown, 3202 Unchecked, 21.4s Time] [2022-11-20 10:49:48,785 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2304 states. [2022-11-20 10:49:48,915 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2304 to 2186. [2022-11-20 10:49:48,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2186 states, 1558 states have (on average 1.2169448010269577) internal successors, (1896), 1596 states have internal predecessors, (1896), 462 states have call successors, (462), 162 states have call predecessors, (462), 165 states have return successors, (524), 450 states have call predecessors, (524), 460 states have call successors, (524) [2022-11-20 10:49:48,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2186 states to 2186 states and 2882 transitions. [2022-11-20 10:49:48,923 INFO L78 Accepts]: Start accepts. Automaton has 2186 states and 2882 transitions. Word has length 282 [2022-11-20 10:49:48,924 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:49:48,924 INFO L495 AbstractCegarLoop]: Abstraction has 2186 states and 2882 transitions. [2022-11-20 10:49:48,924 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 42 states, 37 states have (on average 6.108108108108108) internal successors, (226), 32 states have internal predecessors, (226), 10 states have call successors, (54), 6 states have call predecessors, (54), 14 states have return successors, (48), 10 states have call predecessors, (48), 10 states have call successors, (48) [2022-11-20 10:49:48,925 INFO L276 IsEmpty]: Start isEmpty. Operand 2186 states and 2882 transitions. [2022-11-20 10:49:48,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2022-11-20 10:49:48,930 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:49:48,930 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:49:48,941 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b89921c5-e1b1-4abe-b4b2-d623edf2eebe/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2022-11-20 10:49:49,134 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b89921c5-e1b1-4abe-b4b2-d623edf2eebe/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 10:49:49,135 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 10:49:49,135 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:49:49,135 INFO L85 PathProgramCache]: Analyzing trace with hash -1690624458, now seen corresponding path program 1 times [2022-11-20 10:49:49,135 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:49:49,135 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [199426974] [2022-11-20 10:49:49,136 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:49:49,136 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:49:52,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:49:56,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-20 10:49:56,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:49:56,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-11-20 10:49:56,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:49:56,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-11-20 10:49:56,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:49:56,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-11-20 10:49:56,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:49:56,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2022-11-20 10:49:56,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:49:56,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-11-20 10:49:56,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:49:56,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-11-20 10:49:56,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:49:56,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2022-11-20 10:49:56,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:49:56,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 10:49:56,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:49:56,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-11-20 10:49:56,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:49:56,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-11-20 10:49:56,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:49:56,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 10:49:56,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:49:56,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-11-20 10:49:56,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:49:56,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-20 10:49:56,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:49:56,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 10:49:56,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:49:56,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-11-20 10:49:56,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:49:56,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2022-11-20 10:49:56,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:49:56,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 10:49:56,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:49:56,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-11-20 10:49:56,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:49:56,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2022-11-20 10:49:56,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:49:56,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-11-20 10:49:56,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:49:56,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2022-11-20 10:49:56,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:49:56,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-11-20 10:49:56,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:49:56,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-11-20 10:49:56,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:49:56,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2022-11-20 10:49:56,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:49:56,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-11-20 10:49:56,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:49:57,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 10:49:57,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:49:57,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2022-11-20 10:49:57,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:49:57,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 10:49:57,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:49:57,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-11-20 10:49:57,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:49:57,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 10:49:57,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:49:57,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2022-11-20 10:49:57,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:49:57,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2022-11-20 10:49:57,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:49:57,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2022-11-20 10:49:57,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:49:57,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2022-11-20 10:49:57,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:49:57,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2022-11-20 10:49:57,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:49:57,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2022-11-20 10:49:57,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:49:57,771 INFO L134 CoverageAnalysis]: Checked inductivity of 219 backedges. 32 proven. 20 refuted. 0 times theorem prover too weak. 167 trivial. 0 not checked. [2022-11-20 10:49:57,771 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:49:57,772 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [199426974] [2022-11-20 10:49:57,772 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [199426974] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 10:49:57,772 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [653851699] [2022-11-20 10:49:57,772 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:49:57,772 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 10:49:57,772 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b89921c5-e1b1-4abe-b4b2-d623edf2eebe/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:49:57,774 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b89921c5-e1b1-4abe-b4b2-d623edf2eebe/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 10:49:57,797 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b89921c5-e1b1-4abe-b4b2-d623edf2eebe/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2022-11-20 10:49:59,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:49:59,166 INFO L263 TraceCheckSpWp]: Trace formula consists of 3166 conjuncts, 118 conjunts are in the unsatisfiable core [2022-11-20 10:49:59,176 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 10:50:00,181 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 58 treesize of output 55 [2022-11-20 10:50:00,193 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 58 treesize of output 55 [2022-11-20 10:50:00,238 INFO L321 Elim1Store]: treesize reduction 106, result has 36.9 percent of original size [2022-11-20 10:50:00,238 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 58 treesize of output 88 [2022-11-20 10:50:01,910 INFO L134 CoverageAnalysis]: Checked inductivity of 219 backedges. 64 proven. 15 refuted. 0 times theorem prover too weak. 140 trivial. 0 not checked. [2022-11-20 10:50:01,911 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 10:50:02,958 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 153 treesize of output 111 [2022-11-20 10:50:02,962 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 111 treesize of output 69 [2022-11-20 10:50:02,967 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 51 treesize of output 31 [2022-11-20 10:50:03,500 INFO L321 Elim1Store]: treesize reduction 4, result has 82.6 percent of original size [2022-11-20 10:50:03,500 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 50 [2022-11-20 10:50:03,975 INFO L321 Elim1Store]: treesize reduction 81, result has 1.2 percent of original size [2022-11-20 10:50:03,976 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 283 treesize of output 1 [2022-11-20 10:50:03,993 INFO L321 Elim1Store]: treesize reduction 4, result has 63.6 percent of original size [2022-11-20 10:50:03,993 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 74 treesize of output 57 [2022-11-20 10:50:04,004 INFO L321 Elim1Store]: treesize reduction 10, result has 9.1 percent of original size [2022-11-20 10:50:04,005 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 50 treesize of output 26 [2022-11-20 10:50:04,120 INFO L134 CoverageAnalysis]: Checked inductivity of 219 backedges. 32 proven. 22 refuted. 0 times theorem prover too weak. 165 trivial. 0 not checked. [2022-11-20 10:50:04,121 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [653851699] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-20 10:50:04,121 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-20 10:50:04,121 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 21, 16] total 46 [2022-11-20 10:50:04,121 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1252166666] [2022-11-20 10:50:04,121 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-20 10:50:04,126 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 46 states [2022-11-20 10:50:04,126 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:50:04,126 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 46 interpolants. [2022-11-20 10:50:04,127 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=185, Invalid=1885, Unknown=0, NotChecked=0, Total=2070 [2022-11-20 10:50:04,127 INFO L87 Difference]: Start difference. First operand 2186 states and 2882 transitions. Second operand has 46 states, 39 states have (on average 5.846153846153846) internal successors, (228), 36 states have internal predecessors, (228), 12 states have call successors, (54), 7 states have call predecessors, (54), 14 states have return successors, (48), 11 states have call predecessors, (48), 12 states have call successors, (48) [2022-11-20 10:50:29,839 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:50:29,839 INFO L93 Difference]: Finished difference Result 4253 states and 5641 transitions. [2022-11-20 10:50:29,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-11-20 10:50:29,840 INFO L78 Accepts]: Start accepts. Automaton has has 46 states, 39 states have (on average 5.846153846153846) internal successors, (228), 36 states have internal predecessors, (228), 12 states have call successors, (54), 7 states have call predecessors, (54), 14 states have return successors, (48), 11 states have call predecessors, (48), 12 states have call successors, (48) Word has length 283 [2022-11-20 10:50:29,841 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:50:29,849 INFO L225 Difference]: With dead ends: 4253 [2022-11-20 10:50:29,849 INFO L226 Difference]: Without dead ends: 2375 [2022-11-20 10:50:29,857 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 692 GetRequests, 614 SyntacticMatches, 5 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1313 ImplicationChecksByTransitivity, 7.4s TimeCoverageRelationStatistics Valid=662, Invalid=4872, Unknown=16, NotChecked=0, Total=5550 [2022-11-20 10:50:29,858 INFO L413 NwaCegarLoop]: 470 mSDtfsCounter, 614 mSDsluCounter, 7485 mSDsCounter, 0 mSdLazyCounter, 8613 mSolverCounterSat, 315 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 640 SdHoareTripleChecker+Valid, 7955 SdHoareTripleChecker+Invalid, 11726 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 315 IncrementalHoareTripleChecker+Valid, 8613 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 2798 IncrementalHoareTripleChecker+Unchecked, 21.1s IncrementalHoareTripleChecker+Time [2022-11-20 10:50:29,858 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [640 Valid, 7955 Invalid, 11726 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [315 Valid, 8613 Invalid, 0 Unknown, 2798 Unchecked, 21.1s Time] [2022-11-20 10:50:29,861 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2375 states. [2022-11-20 10:50:29,995 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2375 to 2273. [2022-11-20 10:50:29,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2273 states, 1627 states have (on average 1.2138905961893054) internal successors, (1975), 1663 states have internal predecessors, (1975), 474 states have call successors, (474), 170 states have call predecessors, (474), 171 states have return successors, (540), 462 states have call predecessors, (540), 472 states have call successors, (540) [2022-11-20 10:50:30,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2273 states to 2273 states and 2989 transitions. [2022-11-20 10:50:30,003 INFO L78 Accepts]: Start accepts. Automaton has 2273 states and 2989 transitions. Word has length 283 [2022-11-20 10:50:30,004 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:50:30,004 INFO L495 AbstractCegarLoop]: Abstraction has 2273 states and 2989 transitions. [2022-11-20 10:50:30,004 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 46 states, 39 states have (on average 5.846153846153846) internal successors, (228), 36 states have internal predecessors, (228), 12 states have call successors, (54), 7 states have call predecessors, (54), 14 states have return successors, (48), 11 states have call predecessors, (48), 12 states have call successors, (48) [2022-11-20 10:50:30,004 INFO L276 IsEmpty]: Start isEmpty. Operand 2273 states and 2989 transitions. [2022-11-20 10:50:30,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2022-11-20 10:50:30,009 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:50:30,009 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:50:30,022 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b89921c5-e1b1-4abe-b4b2-d623edf2eebe/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Ended with exit code 0 [2022-11-20 10:50:30,221 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b89921c5-e1b1-4abe-b4b2-d623edf2eebe/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable22 [2022-11-20 10:50:30,222 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 10:50:30,222 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:50:30,222 INFO L85 PathProgramCache]: Analyzing trace with hash -1853545530, now seen corresponding path program 1 times [2022-11-20 10:50:30,222 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:50:30,222 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2131833084] [2022-11-20 10:50:30,222 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:50:30,222 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:50:33,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 10:50:33,967 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 10:50:37,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 10:50:38,067 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 10:50:38,067 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-20 10:50:38,068 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ldv_blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-20 10:50:38,070 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-11-20 10:50:38,074 INFO L444 BasicCegarLoop]: Path program histogram: [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:50:38,080 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-20 10:50:38,405 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 10:50:38 BoogieIcfgContainer [2022-11-20 10:50:38,406 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-20 10:50:38,406 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 10:50:38,406 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 10:50:38,407 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 10:50:38,407 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:47:23" (3/4) ... [2022-11-20 10:50:38,411 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-20 10:50:38,411 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 10:50:38,412 INFO L158 Benchmark]: Toolchain (without parser) took 200699.71ms. Allocated memory was 127.9MB in the beginning and 1.7GB in the end (delta: 1.5GB). Free memory was 74.1MB in the beginning and 790.9MB in the end (delta: -716.8MB). Peak memory consumption was 831.9MB. Max. memory is 16.1GB. [2022-11-20 10:50:38,412 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 127.9MB. Free memory was 73.4MB in the beginning and 73.3MB in the end (delta: 117.7kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 10:50:38,413 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2270.68ms. Allocated memory was 127.9MB in the beginning and 197.1MB in the end (delta: 69.2MB). Free memory was 74.1MB in the beginning and 94.7MB in the end (delta: -20.6MB). Peak memory consumption was 80.0MB. Max. memory is 16.1GB. [2022-11-20 10:50:38,413 INFO L158 Benchmark]: Boogie Procedure Inliner took 190.68ms. Allocated memory is still 197.1MB. Free memory was 94.7MB in the beginning and 82.1MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-20 10:50:38,413 INFO L158 Benchmark]: Boogie Preprocessor took 189.63ms. Allocated memory is still 197.1MB. Free memory was 82.1MB in the beginning and 70.6MB in the end (delta: 11.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-20 10:50:38,414 INFO L158 Benchmark]: RCFGBuilder took 3050.40ms. Allocated memory was 197.1MB in the beginning and 255.9MB in the end (delta: 58.7MB). Free memory was 136.1MB in the beginning and 154.5MB in the end (delta: -18.4MB). Peak memory consumption was 83.4MB. Max. memory is 16.1GB. [2022-11-20 10:50:38,414 INFO L158 Benchmark]: TraceAbstraction took 194942.86ms. Allocated memory was 255.9MB in the beginning and 1.7GB in the end (delta: 1.4GB). Free memory was 153.5MB in the beginning and 791.9MB in the end (delta: -638.5MB). Peak memory consumption was 988.9MB. Max. memory is 16.1GB. [2022-11-20 10:50:38,415 INFO L158 Benchmark]: Witness Printer took 4.96ms. Allocated memory is still 1.7GB. Free memory was 791.9MB in the beginning and 790.9MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 10:50:38,425 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 127.9MB. Free memory was 73.4MB in the beginning and 73.3MB in the end (delta: 117.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2270.68ms. Allocated memory was 127.9MB in the beginning and 197.1MB in the end (delta: 69.2MB). Free memory was 74.1MB in the beginning and 94.7MB in the end (delta: -20.6MB). Peak memory consumption was 80.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 190.68ms. Allocated memory is still 197.1MB. Free memory was 94.7MB in the beginning and 82.1MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 189.63ms. Allocated memory is still 197.1MB. Free memory was 82.1MB in the beginning and 70.6MB in the end (delta: 11.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * RCFGBuilder took 3050.40ms. Allocated memory was 197.1MB in the beginning and 255.9MB in the end (delta: 58.7MB). Free memory was 136.1MB in the beginning and 154.5MB in the end (delta: -18.4MB). Peak memory consumption was 83.4MB. Max. memory is 16.1GB. * TraceAbstraction took 194942.86ms. Allocated memory was 255.9MB in the beginning and 1.7GB in the end (delta: 1.4GB). Free memory was 153.5MB in the beginning and 791.9MB in the end (delta: -638.5MB). Peak memory consumption was 988.9MB. Max. memory is 16.1GB. * Witness Printer took 4.96ms. Allocated memory is still 1.7GB. Free memory was 791.9MB in the beginning and 790.9MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 6946]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of large string literal at line 6635, overapproximation of bitwiseOr at line 5696, overapproximation of shiftLeft at line 5141, overapproximation of bitwiseAnd at line 4928. Possible FailurePath: [L5170-L5181] static char const __mod_author63[40] __attribute__((__used__, __unused__, __section__(".modinfo"), __aligned__(1))) = { (char const )'a', (char const )'u', (char const )'t', (char const )'h', (char const )'o', (char const )'r', (char const )'=', (char const )'V', (char const )'o', (char const )'j', (char const )'t', (char const )'e', (char const )'c', (char const )'h', (char const )' ', (char const )'P', (char const )'a', (char const )'v', (char const )'l', (char const )'i', (char const )'k', (char const )' ', (char const )'<', (char const )'v', (char const )'o', (char const )'j', (char const )'t', (char const )'e', (char const )'c', (char const )'h', (char const )'@', (char const )'s', (char const )'u', (char const )'s', (char const )'e', (char const )'.', (char const )'c', (char const )'z', (char const )'>', (char const )'\000'}; [L5182-L5197] static char const __mod_description64[53] __attribute__((__used__, __unused__, __section__(".modinfo"), __aligned__(1))) = { (char const )'d', (char const )'e', (char const )'s', (char const )'c', (char const )'r', (char const )'i', (char const )'p', (char const )'t', (char const )'i', (char const )'o', (char const )'n', (char const )'=', (char const )'C', (char const )'A', (char const )'T', (char const )'C', (char const )' ', (char const )'E', (char const )'L', (char const )'1', (char const )'2', (char const )'1', (char const )'0', (char const )'A', (char const )' ', (char const )'N', (char const )'e', (char const )'t', (char const )'M', (char const )'a', (char const )'t', (char const )'e', (char const )' ', (char const )'U', (char const )'S', (char const )'B', (char const )' ', (char const )'E', (char const )'t', (char const )'h', (char const )'e', (char const )'r', (char const )'n', (char const )'e', (char const )'t', (char const )' ', (char const )'d', (char const )'r', (char const )'i', (char const )'v', (char const )'e', (char const )'r', (char const )'\000'}; [L5198-L5202] static char const __mod_license65[12] __attribute__((__used__, __unused__, __section__(".modinfo"), __aligned__(1))) = { (char const )'l', (char const )'i', (char const )'c', (char const )'e', (char const )'n', (char const )'s', (char const )'e', (char const )'=', (char const )'G', (char const )'P', (char const )'L', (char const )'\000'}; [L5203-L5204] static char const driver_name[5] = { (char const )'c', (char const )'a', (char const )'t', (char const )'c', (char const )'\000'}; [L6129-L6176] static struct ethtool_ops const ops = {& catc_get_settings, (int (*)(struct net_device * , struct ethtool_cmd * ))0, & catc_get_drvinfo, (int (*)(struct net_device * ))0, (void (*)(struct net_device * , struct ethtool_regs * , void * ))0, (void (*)(struct net_device * , struct ethtool_wolinfo * ))0, (int (*)(struct net_device * , struct ethtool_wolinfo * ))0, (u32 (*)(struct net_device * ))0, (void (*)(struct net_device * , u32 ))0, (int (*)(struct net_device * ))0, & ethtool_op_get_link, (int (*)(struct net_device * ))0, (int (*)(struct net_device * , struct ethtool_eeprom * , u8 * ))0, (int (*)(struct net_device * , struct ethtool_eeprom * , u8 * ))0, (int (*)(struct net_device * , struct ethtool_coalesce * ))0, (int (*)(struct net_device * , struct ethtool_coalesce * ))0, (void (*)(struct net_device * , struct ethtool_ringparam * ))0, (int (*)(struct net_device * , struct ethtool_ringparam * ))0, (void (*)(struct net_device * , struct ethtool_pauseparam * ))0, (int (*)(struct net_device * , struct ethtool_pauseparam * ))0, (u32 (*)(struct net_device * ))0, (int (*)(struct net_device * , u32 ))0, (u32 (*)(struct net_device * ))0, (int (*)(struct net_device * , u32 ))0, (u32 (*)(struct net_device * ))0, (int (*)(struct net_device * , u32 ))0, (u32 (*)(struct net_device * ))0, (int (*)(struct net_device * , u32 ))0, (void (*)(struct net_device * , struct ethtool_test * , u64 * ))0, (void (*)(struct net_device * , u32 stringset , u8 * ))0, (int (*)(struct net_device * , enum ethtool_phys_id_state ))0, (void (*)(struct net_device * , struct ethtool_stats * , u64 * ))0, (int (*)(struct net_device * ))0, (void (*)(struct net_device * ))0, (u32 (*)(struct net_device * ))0, (int (*)(struct net_device * , u32 ))0, (u32 (*)(struct net_device * ))0, (int (*)(struct net_device * , u32 ))0, (u32 (*)(struct net_device * ))0, (int (*)(struct net_device * , u32 ))0, (int (*)(struct net_device * , int ))0, (int (*)(struct net_device * , struct ethtool_rxnfc * , void * ))0, (int (*)(struct net_device * , struct ethtool_rxnfc * ))0, (int (*)(struct net_device * , struct ethtool_flash * ))0, (int (*)(struct net_device * , u32 * ))0, (int (*)(struct net_device * , struct ethtool_rx_ntuple * ))0, (int (*)(struct net_device * , u32 stringset , void * ))0, (int (*)(struct net_device * , struct ethtool_rxfh_indir * ))0, (int (*)(struct net_device * , struct ethtool_rxfh_indir const * ))0, (void (*)(struct net_device * , struct ethtool_channels * ))0, (int (*)(struct net_device * , struct ethtool_channels * ))0, (int (*)(struct net_device * , struct ethtool_dump * ))0, (int (*)(struct net_device * , struct ethtool_dump * , void * ))0, (int (*)(struct net_device * , struct ethtool_dump * ))0}; [L6231-L6269] static struct net_device_ops const catc_netdev_ops = {(int (*)(struct net_device *dev ))0, (void (*)(struct net_device *dev ))0, & catc_open, & catc_stop, & catc_start_xmit, (u16 (*)(struct net_device *dev , struct sk_buff *skb ))0, (void (*)(struct net_device *dev , int flags ))0, (void (*)(struct net_device *dev ))0, & catc_set_multicast_list, & eth_mac_addr, & eth_validate_addr, (int (*)(struct net_device *dev , struct ifreq *ifr , int cmd ))0, (int (*)(struct net_device *dev , struct ifmap *map ))0, & eth_change_mtu, (int (*)(struct net_device *dev , struct neigh_parms * ))0, & catc_tx_timeout, (struct rtnl_link_stats64 *(*)(struct net_device *dev , struct rtnl_link_stats64 *storage ))0, (struct net_device_stats *(*)(struct net_device *dev ))0, (void (*)(struct net_device *dev , struct vlan_group *grp ))0, (void (*)(struct net_device *dev , unsigned short vid ))0, (void (*)(struct net_device *dev , unsigned short vid ))0, (void (*)(struct net_device *dev ))0, (int (*)(struct net_device *dev , struct netpoll_info *info ))0, (void (*)(struct net_device *dev ))0, (int (*)(struct net_device *dev , int queue , u8 *mac ))0, (int (*)(struct net_device *dev , int queue , u16 vlan , u8 qos ))0, (int (*)(struct net_device *dev , int vf , int rate ))0, (int (*)(struct net_device *dev , int vf , struct ifla_vf_info *ivf ))0, (int (*)(struct net_device *dev , int vf , struct nlattr **port ))0, (int (*)(struct net_device *dev , int vf , struct sk_buff *skb ))0, (int (*)(struct net_device *dev , u8 tc ))0, (int (*)(struct net_device *dev ))0, (int (*)(struct net_device *dev ))0, (int (*)(struct net_device *dev , u16 xid , struct scatterlist *sgl , unsigned int sgc ))0, (int (*)(struct net_device *dev , u16 xid ))0, (int (*)(struct net_device *dev , u16 xid , struct scatterlist *sgl , unsigned int sgc ))0, (int (*)(struct net_device *dev , u64 *wwn , int type ))0, (int (*)(struct net_device *dev , struct sk_buff const *skb , u16 rxq_index , u32 flow_id ))0, (int (*)(struct net_device *dev , struct net_device *slave_dev ))0, (int (*)(struct net_device *dev , struct net_device *slave_dev ))0, (u32 (*)(struct net_device *dev , u32 features ))0, (int (*)(struct net_device *dev , u32 features ))0}; [L6270] static struct lock_class_key __key___9 ; [L6271] static struct lock_class_key __key___10 ; [L6272] static struct lock_class_key __key___11 ; [L6684-L6692] static struct usb_device_id catc_id_table[3] = { {(__u16 )3, (__u16 )1059, (__u16 )10, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {(__u16 )3, (__u16 )1059, (__u16 )12, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}, {(__u16 )3, (__u16 )2257, (__u16 )1, (unsigned short)0, (unsigned short)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, (unsigned char)0, 0UL}}; [L6695-L6710] static struct usb_driver catc_driver = {driver_name, & catc_probe, & catc_disconnect, (int (*)(struct usb_interface *intf , unsigned int code , void *buf ))0, (int (*)(struct usb_interface *intf , pm_message_t message ))0, (int (*)(struct usb_interface *intf ))0, (int (*)(struct usb_interface *intf ))0, (int (*)(struct usb_interface *intf ))0, (int (*)(struct usb_interface *intf ))0, (struct usb_device_id const *)(catc_id_table), {{{{{0U}, 0U, 0U, (void *)0, {(struct lock_class_key *)0, {(struct lock_class *)0, (struct lock_class *)0}, (char const *)0, 0, 0UL}}}}, {(struct list_head *)0, (struct list_head *)0}}, {{(char const *)0, (struct bus_type *)0, (struct module *)0, (char const *)0, (_Bool)0, (struct of_device_id const *)0, (int (*)(struct device *dev ))0, (int (*)(struct device *dev ))0, (void (*)(struct device *dev ))0, (int (*)(struct device *dev , pm_message_t state ))0, (int (*)(struct device *dev ))0, (struct attribute_group const **)0, (struct dev_pm_ops const *)0, (struct driver_private *)0}, 0}, 0U, 0U, 0U}; [L6763] int LDV_IN_INTERRUPT ; [L6764] static int res_catc_open_15 ; [L6765] static int res_catc_stop_16 ; [L6766] static int res_catc_probe_17 ; [L6959] int ldv_urb_state = 0; [L6960] int ldv_coherent_state = 0; VAL [__key___10={28:0}, __key___11={29:0}, __key___9={27:0}, catc_driver={31:0}, catc_id_table={30:0}, catc_netdev_ops={26:0}, driver_name={24:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=0, ldv_urb_state=0, ops={25:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0] [L6768] struct net_device *var_group1 ; [L6769] struct ethtool_drvinfo *var_group2 ; [L6770] struct ethtool_cmd *var_group3 ; [L6771] struct sk_buff *var_group4 ; [L6772] struct usb_interface *var_group5 ; [L6773] struct usb_device_id const *var_catc_probe_17_p1 ; [L6774] unsigned long var_catc_stats_timer_10_p0 ; [L6775] int tmp___7 ; [L6776] int ldv_s_catc_netdev_ops_net_device_ops ; [L6777] int ldv_s_catc_driver_usb_driver ; [L6778] int tmp___8 ; [L6779] int tmp___9 ; [L6782] LDV_IN_INTERRUPT = 1 [L6783] FCALL ldv_initialize() [L6784] CALL, EXPR catc_init() VAL [__key___10={28:0}, __key___11={29:0}, __key___9={27:0}, catc_driver={31:0}, catc_id_table={30:0}, catc_netdev_ops={26:0}, driver_name={24:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=0, ops={25:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0] [L6714] int result ; [L6715] int tmp___7 ; [L6718] CALL, EXPR usb_register(& catc_driver) [L5088] int tmp___7 ; [L5091] CALL, EXPR usb_register_driver(driver, & __this_module, "catc") [L7209] return __VERIFIER_nondet_int(); [L5091] RET, EXPR usb_register_driver(driver, & __this_module, "catc") [L5091] tmp___7 = usb_register_driver(driver, & __this_module, "catc") [L5093] return (tmp___7); VAL [\result=0, __key___10={28:0}, __key___11={29:0}, __key___9={27:0}, __this_module={18446744073709551668:18446744073709551620}, catc_driver={31:0}, catc_id_table={30:0}, catc_netdev_ops={26:0}, driver={31:0}, driver={31:0}, driver_name={24:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=0, ops={25:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0, tmp___7=0] [L6718] RET, EXPR usb_register(& catc_driver) [L6718] tmp___7 = usb_register(& catc_driver) [L6719] result = tmp___7 VAL [__key___10={28:0}, __key___11={29:0}, __key___9={27:0}, __this_module={18446744073709551668:18446744073709551620}, catc_driver={31:0}, catc_id_table={30:0}, catc_netdev_ops={26:0}, driver_name={24:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=0, ops={25:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0, result=0, tmp___7=0] [L6721] COND TRUE result == 0 [L6727] return (result); VAL [\result=0, __key___10={28:0}, __key___11={29:0}, __key___9={27:0}, __this_module={18446744073709551668:18446744073709551620}, catc_driver={31:0}, catc_id_table={30:0}, catc_netdev_ops={26:0}, driver_name={24:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=0, ops={25:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0, result=0, tmp___7=0] [L6784] RET, EXPR catc_init() VAL [__key___10={28:0}, __key___11={29:0}, __key___9={27:0}, __this_module={18446744073709551668:18446744073709551620}, catc_driver={31:0}, catc_id_table={30:0}, catc_init()=0, catc_netdev_ops={26:0}, driver_name={24:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=0, ops={25:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0] [L6784] tmp___7 = catc_init() [L6786] COND FALSE !(\read(tmp___7)) [L6790] ldv_s_catc_netdev_ops_net_device_ops = 0 [L6791] ldv_s_catc_driver_usb_driver = 0 VAL [__key___10={28:0}, __key___11={29:0}, __key___9={27:0}, __this_module={18446744073709551668:18446744073709551620}, catc_driver={31:0}, catc_id_table={30:0}, catc_netdev_ops={26:0}, driver_name={24:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_s_catc_driver_usb_driver=0, ldv_s_catc_netdev_ops_net_device_ops=0, ldv_urb_state=0, ops={25:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0, tmp___7=0] [L6793] COND TRUE 1 VAL [__key___10={28:0}, __key___11={29:0}, __key___9={27:0}, __this_module={18446744073709551668:18446744073709551620}, catc_driver={31:0}, catc_id_table={30:0}, catc_netdev_ops={26:0}, driver_name={24:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_s_catc_driver_usb_driver=0, ldv_s_catc_netdev_ops_net_device_ops=0, ldv_urb_state=0, ops={25:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0, tmp___7=0] [L6796] tmp___9 = __VERIFIER_nondet_int() [L6798] COND TRUE \read(tmp___9) VAL [__key___10={28:0}, __key___11={29:0}, __key___9={27:0}, __this_module={18446744073709551668:18446744073709551620}, catc_driver={31:0}, catc_id_table={30:0}, catc_netdev_ops={26:0}, driver_name={24:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_s_catc_driver_usb_driver=0, ldv_s_catc_netdev_ops_net_device_ops=0, ldv_urb_state=0, ops={25:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0, tmp___7=0, tmp___9=1] [L6807] tmp___8 = __VERIFIER_nondet_int() [L6809] COND FALSE !(tmp___8 == 0) VAL [__key___10={28:0}, __key___11={29:0}, __key___9={27:0}, __this_module={18446744073709551668:18446744073709551620}, catc_driver={31:0}, catc_id_table={30:0}, catc_netdev_ops={26:0}, driver_name={24:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_s_catc_driver_usb_driver=0, ldv_s_catc_netdev_ops_net_device_ops=0, ldv_urb_state=0, ops={25:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0, tmp___7=0, tmp___8=7, tmp___9=1] [L6812] COND FALSE !(tmp___8 == 1) VAL [__key___10={28:0}, __key___11={29:0}, __key___9={27:0}, __this_module={18446744073709551668:18446744073709551620}, catc_driver={31:0}, catc_id_table={30:0}, catc_netdev_ops={26:0}, driver_name={24:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_s_catc_driver_usb_driver=0, ldv_s_catc_netdev_ops_net_device_ops=0, ldv_urb_state=0, ops={25:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0, tmp___7=0, tmp___8=7, tmp___9=1] [L6815] COND FALSE !(tmp___8 == 2) VAL [__key___10={28:0}, __key___11={29:0}, __key___9={27:0}, __this_module={18446744073709551668:18446744073709551620}, catc_driver={31:0}, catc_id_table={30:0}, catc_netdev_ops={26:0}, driver_name={24:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_s_catc_driver_usb_driver=0, ldv_s_catc_netdev_ops_net_device_ops=0, ldv_urb_state=0, ops={25:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0, tmp___7=0, tmp___8=7, tmp___9=1] [L6818] COND FALSE !(tmp___8 == 3) VAL [__key___10={28:0}, __key___11={29:0}, __key___9={27:0}, __this_module={18446744073709551668:18446744073709551620}, catc_driver={31:0}, catc_id_table={30:0}, catc_netdev_ops={26:0}, driver_name={24:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_s_catc_driver_usb_driver=0, ldv_s_catc_netdev_ops_net_device_ops=0, ldv_urb_state=0, ops={25:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0, tmp___7=0, tmp___8=7, tmp___9=1] [L6821] COND FALSE !(tmp___8 == 4) VAL [__key___10={28:0}, __key___11={29:0}, __key___9={27:0}, __this_module={18446744073709551668:18446744073709551620}, catc_driver={31:0}, catc_id_table={30:0}, catc_netdev_ops={26:0}, driver_name={24:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_s_catc_driver_usb_driver=0, ldv_s_catc_netdev_ops_net_device_ops=0, ldv_urb_state=0, ops={25:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0, tmp___7=0, tmp___8=7, tmp___9=1] [L6824] COND FALSE !(tmp___8 == 5) VAL [__key___10={28:0}, __key___11={29:0}, __key___9={27:0}, __this_module={18446744073709551668:18446744073709551620}, catc_driver={31:0}, catc_id_table={30:0}, catc_netdev_ops={26:0}, driver_name={24:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_s_catc_driver_usb_driver=0, ldv_s_catc_netdev_ops_net_device_ops=0, ldv_urb_state=0, ops={25:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0, tmp___7=0, tmp___8=7, tmp___9=1] [L6827] COND FALSE !(tmp___8 == 6) VAL [__key___10={28:0}, __key___11={29:0}, __key___9={27:0}, __this_module={18446744073709551668:18446744073709551620}, catc_driver={31:0}, catc_id_table={30:0}, catc_netdev_ops={26:0}, driver_name={24:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_s_catc_driver_usb_driver=0, ldv_s_catc_netdev_ops_net_device_ops=0, ldv_urb_state=0, ops={25:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0, tmp___7=0, tmp___8=7, tmp___9=1] [L6830] COND TRUE tmp___8 == 7 VAL [__key___10={28:0}, __key___11={29:0}, __key___9={27:0}, __this_module={18446744073709551668:18446744073709551620}, catc_driver={31:0}, catc_id_table={30:0}, catc_netdev_ops={26:0}, driver_name={24:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_s_catc_driver_usb_driver=0, ldv_s_catc_netdev_ops_net_device_ops=0, ldv_urb_state=0, ops={25:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0, tmp___7=0, tmp___8=7, tmp___9=1] [L6895] COND TRUE ldv_s_catc_driver_usb_driver == 0 [L6897] CALL, EXPR catc_probe(var_group5, var_catc_probe_17_p1) [L6274] struct usb_device *usbdev ; [L6275] struct usb_device *tmp___7 ; [L6276] struct net_device *netdev ; [L6277] struct catc *catc ; [L6278] u8 broadcast[6] ; [L6279] int i ; [L6280] int pktsz ; [L6281] int tmp___8 ; [L6282] void *tmp___9 ; [L6283] unsigned int tmp___10 ; [L6284] unsigned int tmp___11 ; [L6285] unsigned int tmp___12 ; [L6286] unsigned int tmp___13 ; [L6287] char const *tmp___14 ; [L6288] int tmp___15 ; [L6291] CALL, EXPR interface_to_usbdev(intf) [L5065] struct device const *__mptr ; [L5067] EXPR intf->dev.parent [L5067] __mptr = (struct device const *)intf->dev.parent [L5068] return ((struct usb_device *)((char *)__mptr - (unsigned int )(& ((struct usb_device *)0)->dev))); VAL [\result={-5:164}, __key___10={28:0}, __key___11={29:0}, __key___9={27:0}, __mptr={-5:295}, __this_module={18446744073709551668:18446744073709551620}, catc_driver={31:0}, catc_id_table={30:0}, catc_netdev_ops={26:0}, driver_name={24:0}, intf={18446744073709551633:57}, intf={18446744073709551633:57}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=0, ops={25:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0] [L6291] RET, EXPR interface_to_usbdev(intf) [L6291] tmp___7 = interface_to_usbdev(intf) [L6292] usbdev = tmp___7 [L6293] EXPR intf->altsetting [L6293] EXPR (intf->altsetting)->desc.bInterfaceNumber [L6293-L6294] CALL, EXPR usb_set_interface(usbdev, (int )(intf->altsetting)->desc.bInterfaceNumber, 1) [L7213] return __VERIFIER_nondet_int(); [L6293-L6294] RET, EXPR usb_set_interface(usbdev, (int )(intf->altsetting)->desc.bInterfaceNumber, 1) [L6293-L6294] tmp___8 = usb_set_interface(usbdev, (int )(intf->altsetting)->desc.bInterfaceNumber, 1) [L6296] COND FALSE !(\read(tmp___8)) [L6304] CALL, EXPR alloc_etherdev_mqs((int )sizeof(struct catc ), 1U, 1U) [L7117] CALL, EXPR ldv_malloc(sizeof(struct net_device)) VAL [\old(size)=2416, __key___10={28:0}, __key___11={29:0}, __key___9={27:0}, __this_module={18446744073709551668:18446744073709551620}, catc_driver={31:0}, catc_id_table={30:0}, catc_netdev_ops={26:0}, driver_name={24:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=0, ops={25:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0] [L7113] COND FALSE !(__VERIFIER_nondet_bool()) [L7114] return malloc(size); [L7117] RET, EXPR ldv_malloc(sizeof(struct net_device)) VAL [\old(arg0)=70119, \old(arg1)=1, \old(arg2)=1, __key___10={28:0}, __key___11={29:0}, __key___9={27:0}, __this_module={18446744073709551668:18446744073709551620}, arg0=70119, arg1=1, arg2=1, catc_driver={31:0}, catc_id_table={30:0}, catc_netdev_ops={26:0}, driver_name={24:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_malloc(sizeof(struct net_device))={32:0}, ldv_urb_state=0, ops={25:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0] [L7117] return ldv_malloc(sizeof(struct net_device)); [L6304] RET, EXPR alloc_etherdev_mqs((int )sizeof(struct catc ), 1U, 1U) [L6304] netdev = alloc_etherdev_mqs((int )sizeof(struct catc ), 1U, 1U) [L6306] COND FALSE !(! netdev) VAL [__key___10={28:0}, __key___11={29:0}, __key___9={27:0}, __this_module={18446744073709551668:18446744073709551620}, broadcast={53:0}, catc_driver={31:0}, catc_id_table={30:0}, catc_netdev_ops={26:0}, driver_name={24:0}, i={55:0}, id={18446744073709551682:18446744073709551655}, id={18446744073709551682:18446744073709551655}, intf={18446744073709551633:57}, intf={18446744073709551633:57}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=0, netdev={32:0}, ops={25:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0, tmp___7={-5:164}, tmp___8=0, usbdev={-5:164}] [L6311] CALL, EXPR netdev_priv((struct net_device const *)netdev) VAL [__key___10={28:0}, __key___11={29:0}, __key___9={27:0}, __this_module={18446744073709551668:18446744073709551620}, catc_driver={31:0}, catc_id_table={30:0}, catc_netdev_ops={26:0}, dev={32:0}, driver_name={24:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=0, ops={25:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0] [L4928] return ((void *)((char *)dev + ((sizeof(struct net_device ) + 31UL) & 0x0fffffffffffffe0UL))); VAL [\result={32:127}, __key___10={28:0}, __key___11={29:0}, __key___9={27:0}, __this_module={18446744073709551668:18446744073709551620}, catc_driver={31:0}, catc_id_table={30:0}, catc_netdev_ops={26:0}, dev={32:0}, dev={32:0}, driver_name={24:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=0, ops={25:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0] [L6311] RET, EXPR netdev_priv((struct net_device const *)netdev) VAL [__key___10={28:0}, __key___11={29:0}, __key___9={27:0}, __this_module={18446744073709551668:18446744073709551620}, broadcast={53:0}, catc_driver={31:0}, catc_id_table={30:0}, catc_netdev_ops={26:0}, driver_name={24:0}, i={55:0}, id={18446744073709551682:18446744073709551655}, id={18446744073709551682:18446744073709551655}, intf={18446744073709551633:57}, intf={18446744073709551633:57}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=0, netdev={32:0}, netdev_priv((struct net_device const *)netdev)={32:127}, ops={25:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0, tmp___7={-5:164}, tmp___8=0, usbdev={-5:164}] [L6311] tmp___9 = netdev_priv((struct net_device const *)netdev) [L6312] catc = (struct catc *)tmp___9 [L6313] netdev->netdev_ops = & catc_netdev_ops [L6314] netdev->watchdog_timeo = 1250 [L6315] netdev->ethtool_ops = & ops [L6316] catc->usbdev = usbdev [L6317] catc->netdev = netdev VAL [__key___10={28:0}, __key___11={29:0}, __key___9={27:0}, __this_module={18446744073709551668:18446744073709551620}, broadcast={53:0}, catc={32:127}, catc_driver={31:0}, catc_id_table={30:0}, catc_netdev_ops={26:0}, driver_name={24:0}, i={55:0}, id={18446744073709551682:18446744073709551655}, id={18446744073709551682:18446744073709551655}, intf={18446744073709551633:57}, intf={18446744073709551633:57}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=0, netdev={32:0}, ops={25:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0, tmp___7={-5:164}, tmp___8=0, tmp___9={32:127}, usbdev={-5:164}] [L6320] COND TRUE 1 VAL [__key___10={28:0}, __key___11={29:0}, __key___9={27:0}, __this_module={18446744073709551668:18446744073709551620}, broadcast={53:0}, catc={32:127}, catc_driver={31:0}, catc_id_table={30:0}, catc_netdev_ops={26:0}, driver_name={24:0}, i={55:0}, id={18446744073709551682:18446744073709551655}, id={18446744073709551682:18446744073709551655}, intf={18446744073709551633:57}, intf={18446744073709551633:57}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=0, netdev={32:0}, ops={25:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0, tmp___7={-5:164}, tmp___8=0, tmp___9={32:127}, usbdev={-5:164}] [L6323] CALL spinlock_check(& catc->tx_lock) VAL [__key___10={28:0}, __key___11={29:0}, __key___9={27:0}, __this_module={18446744073709551668:18446744073709551620}, catc_driver={31:0}, catc_id_table={30:0}, catc_netdev_ops={26:0}, driver_name={24:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=0, lock={32:167}, ops={25:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0] [L4851] return (& lock->__annonCompField18.rlock); VAL [\result={32:167}, __key___10={28:0}, __key___11={29:0}, __key___9={27:0}, __this_module={18446744073709551668:18446744073709551620}, catc_driver={31:0}, catc_id_table={30:0}, catc_netdev_ops={26:0}, driver_name={24:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=0, lock={32:167}, lock={32:167}, ops={25:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0] [L6323] RET spinlock_check(& catc->tx_lock) VAL [__key___10={28:0}, __key___11={29:0}, __key___9={27:0}, __this_module={18446744073709551668:18446744073709551620}, broadcast={53:0}, catc={32:127}, catc_driver={31:0}, catc_id_table={30:0}, catc_netdev_ops={26:0}, driver_name={24:0}, i={55:0}, id={18446744073709551682:18446744073709551655}, id={18446744073709551682:18446744073709551655}, intf={18446744073709551633:57}, intf={18446744073709551633:57}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=0, netdev={32:0}, ops={25:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0, spinlock_check(& catc->tx_lock)={32:167}, tmp___7={-5:164}, tmp___8=0, tmp___9={32:127}, usbdev={-5:164}] [L6326] COND TRUE 1 VAL [__key___10={28:0}, __key___11={29:0}, __key___9={27:0}, __this_module={18446744073709551668:18446744073709551620}, broadcast={53:0}, catc={32:127}, catc_driver={31:0}, catc_id_table={30:0}, catc_netdev_ops={26:0}, driver_name={24:0}, i={55:0}, id={18446744073709551682:18446744073709551655}, id={18446744073709551682:18446744073709551655}, intf={18446744073709551633:57}, intf={18446744073709551633:57}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=0, netdev={32:0}, ops={25:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0, tmp___7={-5:164}, tmp___8=0, tmp___9={32:127}, usbdev={-5:164}] [L6329-L6330] FCALL __raw_spin_lock_init(& catc->tx_lock.__annonCompField18.rlock, "&(&catc->tx_lock)->rlock", & __key___9) VAL [__key___10={28:0}, __key___11={29:0}, __key___9={27:0}, __this_module={18446744073709551668:18446744073709551620}, broadcast={53:0}, catc={32:127}, catc_driver={31:0}, catc_id_table={30:0}, catc_netdev_ops={26:0}, driver_name={24:0}, i={55:0}, id={18446744073709551682:18446744073709551655}, id={18446744073709551682:18446744073709551655}, intf={18446744073709551633:57}, intf={18446744073709551633:57}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=0, netdev={32:0}, ops={25:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0, tmp___7={-5:164}, tmp___8=0, tmp___9={32:127}, usbdev={-5:164}] [L6343] COND TRUE 1 VAL [__key___10={28:0}, __key___11={29:0}, __key___9={27:0}, __this_module={18446744073709551668:18446744073709551620}, broadcast={53:0}, catc={32:127}, catc_driver={31:0}, catc_id_table={30:0}, catc_netdev_ops={26:0}, driver_name={24:0}, i={55:0}, id={18446744073709551682:18446744073709551655}, id={18446744073709551682:18446744073709551655}, intf={18446744073709551633:57}, intf={18446744073709551633:57}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=0, netdev={32:0}, ops={25:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0, tmp___7={-5:164}, tmp___8=0, tmp___9={32:127}, usbdev={-5:164}] [L6346] CALL spinlock_check(& catc->ctrl_lock) VAL [__key___10={28:0}, __key___11={29:0}, __key___9={27:0}, __this_module={18446744073709551668:18446744073709551620}, catc_driver={31:0}, catc_id_table={30:0}, catc_netdev_ops={26:0}, driver_name={24:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=0, lock={32:231}, ops={25:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0] [L4851] return (& lock->__annonCompField18.rlock); VAL [\result={32:231}, __key___10={28:0}, __key___11={29:0}, __key___9={27:0}, __this_module={18446744073709551668:18446744073709551620}, catc_driver={31:0}, catc_id_table={30:0}, catc_netdev_ops={26:0}, driver_name={24:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=0, lock={32:231}, lock={32:231}, ops={25:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0] [L6346] RET spinlock_check(& catc->ctrl_lock) VAL [__key___10={28:0}, __key___11={29:0}, __key___9={27:0}, __this_module={18446744073709551668:18446744073709551620}, broadcast={53:0}, catc={32:127}, catc_driver={31:0}, catc_id_table={30:0}, catc_netdev_ops={26:0}, driver_name={24:0}, i={55:0}, id={18446744073709551682:18446744073709551655}, id={18446744073709551682:18446744073709551655}, intf={18446744073709551633:57}, intf={18446744073709551633:57}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=0, netdev={32:0}, ops={25:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0, spinlock_check(& catc->ctrl_lock)={32:231}, tmp___7={-5:164}, tmp___8=0, tmp___9={32:127}, usbdev={-5:164}] [L6349] COND TRUE 1 VAL [__key___10={28:0}, __key___11={29:0}, __key___9={27:0}, __this_module={18446744073709551668:18446744073709551620}, broadcast={53:0}, catc={32:127}, catc_driver={31:0}, catc_id_table={30:0}, catc_netdev_ops={26:0}, driver_name={24:0}, i={55:0}, id={18446744073709551682:18446744073709551655}, id={18446744073709551682:18446744073709551655}, intf={18446744073709551633:57}, intf={18446744073709551633:57}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=0, netdev={32:0}, ops={25:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0, tmp___7={-5:164}, tmp___8=0, tmp___9={32:127}, usbdev={-5:164}] [L6352-L6353] FCALL __raw_spin_lock_init(& catc->ctrl_lock.__annonCompField18.rlock, "&(&catc->ctrl_lock)->rlock", & __key___10) VAL [__key___10={28:0}, __key___11={29:0}, __key___9={27:0}, __this_module={18446744073709551668:18446744073709551620}, broadcast={53:0}, catc={32:127}, catc_driver={31:0}, catc_id_table={30:0}, catc_netdev_ops={26:0}, driver_name={24:0}, i={55:0}, id={18446744073709551682:18446744073709551655}, id={18446744073709551682:18446744073709551655}, intf={18446744073709551633:57}, intf={18446744073709551633:57}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=0, netdev={32:0}, ops={25:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0, tmp___7={-5:164}, tmp___8=0, tmp___9={32:127}, usbdev={-5:164}] [L6366] COND TRUE 1 VAL [__key___10={28:0}, __key___11={29:0}, __key___9={27:0}, __this_module={18446744073709551668:18446744073709551620}, broadcast={53:0}, catc={32:127}, catc_driver={31:0}, catc_id_table={30:0}, catc_netdev_ops={26:0}, driver_name={24:0}, i={55:0}, id={18446744073709551682:18446744073709551655}, id={18446744073709551682:18446744073709551655}, intf={18446744073709551633:57}, intf={18446744073709551633:57}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=0, netdev={32:0}, ops={25:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0, tmp___7={-5:164}, tmp___8=0, tmp___9={32:127}, usbdev={-5:164}] [L6369] FCALL init_timer_key(& catc->timer, "&catc->timer", & __key___11) [L6377] catc->timer.data = (unsigned long )((long )catc) [L6378] catc->timer.function = & catc_stats_timer VAL [__key___10={28:0}, __key___11={29:0}, __key___9={27:0}, __this_module={18446744073709551668:18446744073709551620}, broadcast={53:0}, catc={32:127}, catc_driver={31:0}, catc_id_table={30:0}, catc_netdev_ops={26:0}, driver_name={24:0}, i={55:0}, id={18446744073709551682:18446744073709551655}, id={18446744073709551682:18446744073709551655}, intf={18446744073709551633:57}, intf={18446744073709551633:57}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=0, netdev={32:0}, ops={25:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0, tmp___7={-5:164}, tmp___8=0, tmp___9={32:127}, usbdev={-5:164}] [L6379] CALL, EXPR usb_alloc_urb(0, 208U) VAL [\old(iso_packets)=0, \old(ldv_urb_state)=0, \old(mem_flags)=208, __key___10={28:0}, __key___11={29:0}, __key___9={27:0}, __this_module={18446744073709551668:18446744073709551620}, catc_driver={31:0}, catc_id_table={30:0}, catc_netdev_ops={26:0}, driver_name={24:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=0, ops={25:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0] [L7022] void *arbitrary_memory ; [L7023] void *tmp___7 ; VAL [\old(iso_packets)=0, \old(ldv_urb_state)=0, \old(mem_flags)=208, __key___10={28:0}, __key___11={29:0}, __key___9={27:0}, __this_module={18446744073709551668:18446744073709551620}, catc_driver={31:0}, catc_id_table={30:0}, catc_netdev_ops={26:0}, driver_name={24:0}, iso_packets=0, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=0, mem_flags=208, ops={25:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0] [L7026] COND TRUE 1 VAL [\old(iso_packets)=0, \old(ldv_urb_state)=0, \old(mem_flags)=208, __key___10={28:0}, __key___11={29:0}, __key___9={27:0}, __this_module={18446744073709551668:18446744073709551620}, catc_driver={31:0}, catc_id_table={30:0}, catc_netdev_ops={26:0}, driver_name={24:0}, iso_packets=0, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=0, mem_flags=208, ops={25:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0] [L7029] CALL, EXPR ldv_undefined_pointer() VAL [\old(ldv_urb_state)=0, __key___10={28:0}, __key___11={29:0}, __key___9={27:0}, __this_module={18446744073709551668:18446744073709551620}, catc_driver={31:0}, catc_id_table={30:0}, catc_netdev_ops={26:0}, driver_name={24:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=0, ops={25:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0] [L7161] CALL, EXPR ldv_malloc(0UL) VAL [\old(ldv_urb_state)=0, \old(size)=0, __key___10={28:0}, __key___11={29:0}, __key___9={27:0}, __this_module={18446744073709551668:18446744073709551620}, catc_driver={31:0}, catc_id_table={30:0}, catc_netdev_ops={26:0}, driver_name={24:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=0, ops={25:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0] [L7113] COND FALSE !(__VERIFIER_nondet_bool()) [L7114] return malloc(size); [L7161] RET, EXPR ldv_malloc(0UL) VAL [\old(ldv_urb_state)=0, __key___10={28:0}, __key___11={29:0}, __key___9={27:0}, __this_module={18446744073709551668:18446744073709551620}, catc_driver={31:0}, catc_id_table={30:0}, catc_netdev_ops={26:0}, driver_name={24:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_malloc(0UL)={-3:0}, ldv_urb_state=0, ops={25:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0] [L7161] return ldv_malloc(0UL); [L7029] RET, EXPR ldv_undefined_pointer() VAL [\old(iso_packets)=0, \old(ldv_urb_state)=0, \old(mem_flags)=208, __key___10={28:0}, __key___11={29:0}, __key___9={27:0}, __this_module={18446744073709551668:18446744073709551620}, catc_driver={31:0}, catc_id_table={30:0}, catc_netdev_ops={26:0}, driver_name={24:0}, iso_packets=0, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_undefined_pointer()={-3:0}, ldv_urb_state=0, mem_flags=208, ops={25:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0] [L7029] tmp___7 = ldv_undefined_pointer() [L7030] arbitrary_memory = tmp___7 VAL [\old(iso_packets)=0, \old(ldv_urb_state)=0, \old(mem_flags)=208, __key___10={28:0}, __key___11={29:0}, __key___9={27:0}, __this_module={18446744073709551668:18446744073709551620}, arbitrary_memory={-3:0}, catc_driver={31:0}, catc_id_table={30:0}, catc_netdev_ops={26:0}, driver_name={24:0}, iso_packets=0, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=0, mem_flags=208, ops={25:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0, tmp___7={-3:0}] [L7032] COND FALSE !(! arbitrary_memory) [L7036] ldv_urb_state = ldv_urb_state + 1 [L7037] return ((struct urb *)arbitrary_memory); VAL [\old(iso_packets)=0, \old(ldv_urb_state)=0, \old(mem_flags)=208, \result={-3:0}, __key___10={28:0}, __key___11={29:0}, __key___9={27:0}, __this_module={18446744073709551668:18446744073709551620}, arbitrary_memory={-3:0}, catc_driver={31:0}, catc_id_table={30:0}, catc_netdev_ops={26:0}, driver_name={24:0}, iso_packets=0, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=1, mem_flags=208, ops={25:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0, tmp___7={-3:0}] [L6379] RET, EXPR usb_alloc_urb(0, 208U) VAL [__key___10={28:0}, __key___11={29:0}, __key___9={27:0}, __this_module={18446744073709551668:18446744073709551620}, broadcast={53:0}, catc={32:127}, catc_driver={31:0}, catc_id_table={30:0}, catc_netdev_ops={26:0}, driver_name={24:0}, i={55:0}, id={18446744073709551682:18446744073709551655}, id={18446744073709551682:18446744073709551655}, intf={18446744073709551633:57}, intf={18446744073709551633:57}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=1, netdev={32:0}, ops={25:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0, tmp___7={-5:164}, tmp___8=0, tmp___9={32:127}, usb_alloc_urb(0, 208U)={-3:0}, usbdev={-5:164}] [L6379] catc->ctrl_urb = usb_alloc_urb(0, 208U) [L6380] CALL, EXPR usb_alloc_urb(0, 208U) VAL [\old(iso_packets)=0, \old(ldv_urb_state)=1, \old(mem_flags)=208, __key___10={28:0}, __key___11={29:0}, __key___9={27:0}, __this_module={18446744073709551668:18446744073709551620}, catc_driver={31:0}, catc_id_table={30:0}, catc_netdev_ops={26:0}, driver_name={24:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=1, ops={25:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0] [L7022] void *arbitrary_memory ; [L7023] void *tmp___7 ; VAL [\old(iso_packets)=0, \old(ldv_urb_state)=1, \old(mem_flags)=208, __key___10={28:0}, __key___11={29:0}, __key___9={27:0}, __this_module={18446744073709551668:18446744073709551620}, catc_driver={31:0}, catc_id_table={30:0}, catc_netdev_ops={26:0}, driver_name={24:0}, iso_packets=0, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=1, mem_flags=208, ops={25:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0] [L7026] COND TRUE 1 VAL [\old(iso_packets)=0, \old(ldv_urb_state)=1, \old(mem_flags)=208, __key___10={28:0}, __key___11={29:0}, __key___9={27:0}, __this_module={18446744073709551668:18446744073709551620}, catc_driver={31:0}, catc_id_table={30:0}, catc_netdev_ops={26:0}, driver_name={24:0}, iso_packets=0, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=1, mem_flags=208, ops={25:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0] [L7029] CALL, EXPR ldv_undefined_pointer() VAL [\old(ldv_urb_state)=1, __key___10={28:0}, __key___11={29:0}, __key___9={27:0}, __this_module={18446744073709551668:18446744073709551620}, catc_driver={31:0}, catc_id_table={30:0}, catc_netdev_ops={26:0}, driver_name={24:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=1, ops={25:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0] [L7161] CALL, EXPR ldv_malloc(0UL) VAL [\old(ldv_urb_state)=1, \old(size)=0, __key___10={28:0}, __key___11={29:0}, __key___9={27:0}, __this_module={18446744073709551668:18446744073709551620}, catc_driver={31:0}, catc_id_table={30:0}, catc_netdev_ops={26:0}, driver_name={24:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=1, ops={25:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0] [L7113] COND FALSE !(__VERIFIER_nondet_bool()) [L7114] return malloc(size); [L7161] RET, EXPR ldv_malloc(0UL) VAL [\old(ldv_urb_state)=1, __key___10={28:0}, __key___11={29:0}, __key___9={27:0}, __this_module={18446744073709551668:18446744073709551620}, catc_driver={31:0}, catc_id_table={30:0}, catc_netdev_ops={26:0}, driver_name={24:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_malloc(0UL)={-5:0}, ldv_urb_state=1, ops={25:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0] [L7161] return ldv_malloc(0UL); [L7029] RET, EXPR ldv_undefined_pointer() VAL [\old(iso_packets)=0, \old(ldv_urb_state)=1, \old(mem_flags)=208, __key___10={28:0}, __key___11={29:0}, __key___9={27:0}, __this_module={18446744073709551668:18446744073709551620}, catc_driver={31:0}, catc_id_table={30:0}, catc_netdev_ops={26:0}, driver_name={24:0}, iso_packets=0, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_undefined_pointer()={-5:0}, ldv_urb_state=1, mem_flags=208, ops={25:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0] [L7029] tmp___7 = ldv_undefined_pointer() [L7030] arbitrary_memory = tmp___7 VAL [\old(iso_packets)=0, \old(ldv_urb_state)=1, \old(mem_flags)=208, __key___10={28:0}, __key___11={29:0}, __key___9={27:0}, __this_module={18446744073709551668:18446744073709551620}, arbitrary_memory={-5:0}, catc_driver={31:0}, catc_id_table={30:0}, catc_netdev_ops={26:0}, driver_name={24:0}, iso_packets=0, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=1, mem_flags=208, ops={25:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0, tmp___7={-5:0}] [L7032] COND FALSE !(! arbitrary_memory) [L7036] ldv_urb_state = ldv_urb_state + 1 [L7037] return ((struct urb *)arbitrary_memory); VAL [\old(iso_packets)=0, \old(ldv_urb_state)=1, \old(mem_flags)=208, \result={-5:0}, __key___10={28:0}, __key___11={29:0}, __key___9={27:0}, __this_module={18446744073709551668:18446744073709551620}, arbitrary_memory={-5:0}, catc_driver={31:0}, catc_id_table={30:0}, catc_netdev_ops={26:0}, driver_name={24:0}, iso_packets=0, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=2, mem_flags=208, ops={25:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0, tmp___7={-5:0}] [L6380] RET, EXPR usb_alloc_urb(0, 208U) VAL [__key___10={28:0}, __key___11={29:0}, __key___9={27:0}, __this_module={18446744073709551668:18446744073709551620}, broadcast={53:0}, catc={32:127}, catc_driver={31:0}, catc_id_table={30:0}, catc_netdev_ops={26:0}, driver_name={24:0}, i={55:0}, id={18446744073709551682:18446744073709551655}, id={18446744073709551682:18446744073709551655}, intf={18446744073709551633:57}, intf={18446744073709551633:57}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=2, netdev={32:0}, ops={25:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0, tmp___7={-5:164}, tmp___8=0, tmp___9={32:127}, usb_alloc_urb(0, 208U)={-5:0}, usbdev={-5:164}] [L6380] catc->tx_urb = usb_alloc_urb(0, 208U) [L6381] CALL, EXPR usb_alloc_urb(0, 208U) VAL [\old(iso_packets)=0, \old(ldv_urb_state)=2, \old(mem_flags)=208, __key___10={28:0}, __key___11={29:0}, __key___9={27:0}, __this_module={18446744073709551668:18446744073709551620}, catc_driver={31:0}, catc_id_table={30:0}, catc_netdev_ops={26:0}, driver_name={24:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=2, ops={25:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0] [L7022] void *arbitrary_memory ; [L7023] void *tmp___7 ; VAL [\old(iso_packets)=0, \old(ldv_urb_state)=2, \old(mem_flags)=208, __key___10={28:0}, __key___11={29:0}, __key___9={27:0}, __this_module={18446744073709551668:18446744073709551620}, catc_driver={31:0}, catc_id_table={30:0}, catc_netdev_ops={26:0}, driver_name={24:0}, iso_packets=0, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=2, mem_flags=208, ops={25:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0] [L7026] COND TRUE 1 VAL [\old(iso_packets)=0, \old(ldv_urb_state)=2, \old(mem_flags)=208, __key___10={28:0}, __key___11={29:0}, __key___9={27:0}, __this_module={18446744073709551668:18446744073709551620}, catc_driver={31:0}, catc_id_table={30:0}, catc_netdev_ops={26:0}, driver_name={24:0}, iso_packets=0, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=2, mem_flags=208, ops={25:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0] [L7029] CALL, EXPR ldv_undefined_pointer() VAL [\old(ldv_urb_state)=2, __key___10={28:0}, __key___11={29:0}, __key___9={27:0}, __this_module={18446744073709551668:18446744073709551620}, catc_driver={31:0}, catc_id_table={30:0}, catc_netdev_ops={26:0}, driver_name={24:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=2, ops={25:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0] [L7161] CALL, EXPR ldv_malloc(0UL) VAL [\old(ldv_urb_state)=2, \old(size)=0, __key___10={28:0}, __key___11={29:0}, __key___9={27:0}, __this_module={18446744073709551668:18446744073709551620}, catc_driver={31:0}, catc_id_table={30:0}, catc_netdev_ops={26:0}, driver_name={24:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=2, ops={25:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0] [L7113] COND FALSE !(__VERIFIER_nondet_bool()) [L7114] return malloc(size); [L7161] RET, EXPR ldv_malloc(0UL) VAL [\old(ldv_urb_state)=2, __key___10={28:0}, __key___11={29:0}, __key___9={27:0}, __this_module={18446744073709551668:18446744073709551620}, catc_driver={31:0}, catc_id_table={30:0}, catc_netdev_ops={26:0}, driver_name={24:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_malloc(0UL)={-6:0}, ldv_urb_state=2, ops={25:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0] [L7161] return ldv_malloc(0UL); [L7029] RET, EXPR ldv_undefined_pointer() VAL [\old(iso_packets)=0, \old(ldv_urb_state)=2, \old(mem_flags)=208, __key___10={28:0}, __key___11={29:0}, __key___9={27:0}, __this_module={18446744073709551668:18446744073709551620}, catc_driver={31:0}, catc_id_table={30:0}, catc_netdev_ops={26:0}, driver_name={24:0}, iso_packets=0, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_undefined_pointer()={-6:0}, ldv_urb_state=2, mem_flags=208, ops={25:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0] [L7029] tmp___7 = ldv_undefined_pointer() [L7030] arbitrary_memory = tmp___7 VAL [\old(iso_packets)=0, \old(ldv_urb_state)=2, \old(mem_flags)=208, __key___10={28:0}, __key___11={29:0}, __key___9={27:0}, __this_module={18446744073709551668:18446744073709551620}, arbitrary_memory={-6:0}, catc_driver={31:0}, catc_id_table={30:0}, catc_netdev_ops={26:0}, driver_name={24:0}, iso_packets=0, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=2, mem_flags=208, ops={25:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0, tmp___7={-6:0}] [L7032] COND FALSE !(! arbitrary_memory) [L7036] ldv_urb_state = ldv_urb_state + 1 [L7037] return ((struct urb *)arbitrary_memory); VAL [\old(iso_packets)=0, \old(ldv_urb_state)=2, \old(mem_flags)=208, \result={-6:0}, __key___10={28:0}, __key___11={29:0}, __key___9={27:0}, __this_module={18446744073709551668:18446744073709551620}, arbitrary_memory={-6:0}, catc_driver={31:0}, catc_id_table={30:0}, catc_netdev_ops={26:0}, driver_name={24:0}, iso_packets=0, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=3, mem_flags=208, ops={25:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0, tmp___7={-6:0}] [L6381] RET, EXPR usb_alloc_urb(0, 208U) VAL [__key___10={28:0}, __key___11={29:0}, __key___9={27:0}, __this_module={18446744073709551668:18446744073709551620}, broadcast={53:0}, catc={32:127}, catc_driver={31:0}, catc_id_table={30:0}, catc_netdev_ops={26:0}, driver_name={24:0}, i={55:0}, id={18446744073709551682:18446744073709551655}, id={18446744073709551682:18446744073709551655}, intf={18446744073709551633:57}, intf={18446744073709551633:57}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=3, netdev={32:0}, ops={25:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0, tmp___7={-5:164}, tmp___8=0, tmp___9={32:127}, usb_alloc_urb(0, 208U)={-6:0}, usbdev={-5:164}] [L6381] catc->rx_urb = usb_alloc_urb(0, 208U) [L6382] CALL, EXPR usb_alloc_urb(0, 208U) VAL [\old(iso_packets)=0, \old(ldv_urb_state)=3, \old(mem_flags)=208, __key___10={28:0}, __key___11={29:0}, __key___9={27:0}, __this_module={18446744073709551668:18446744073709551620}, catc_driver={31:0}, catc_id_table={30:0}, catc_netdev_ops={26:0}, driver_name={24:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=3, ops={25:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0] [L7022] void *arbitrary_memory ; [L7023] void *tmp___7 ; VAL [\old(iso_packets)=0, \old(ldv_urb_state)=3, \old(mem_flags)=208, __key___10={28:0}, __key___11={29:0}, __key___9={27:0}, __this_module={18446744073709551668:18446744073709551620}, catc_driver={31:0}, catc_id_table={30:0}, catc_netdev_ops={26:0}, driver_name={24:0}, iso_packets=0, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=3, mem_flags=208, ops={25:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0] [L7026] COND TRUE 1 VAL [\old(iso_packets)=0, \old(ldv_urb_state)=3, \old(mem_flags)=208, __key___10={28:0}, __key___11={29:0}, __key___9={27:0}, __this_module={18446744073709551668:18446744073709551620}, catc_driver={31:0}, catc_id_table={30:0}, catc_netdev_ops={26:0}, driver_name={24:0}, iso_packets=0, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=3, mem_flags=208, ops={25:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0] [L7029] CALL, EXPR ldv_undefined_pointer() VAL [\old(ldv_urb_state)=3, __key___10={28:0}, __key___11={29:0}, __key___9={27:0}, __this_module={18446744073709551668:18446744073709551620}, catc_driver={31:0}, catc_id_table={30:0}, catc_netdev_ops={26:0}, driver_name={24:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=3, ops={25:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0] [L7161] CALL, EXPR ldv_malloc(0UL) VAL [\old(ldv_urb_state)=3, \old(size)=0, __key___10={28:0}, __key___11={29:0}, __key___9={27:0}, __this_module={18446744073709551668:18446744073709551620}, catc_driver={31:0}, catc_id_table={30:0}, catc_netdev_ops={26:0}, driver_name={24:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=3, ops={25:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0] [L7113] COND FALSE !(__VERIFIER_nondet_bool()) [L7114] return malloc(size); [L7161] RET, EXPR ldv_malloc(0UL) VAL [\old(ldv_urb_state)=3, __key___10={28:0}, __key___11={29:0}, __key___9={27:0}, __this_module={18446744073709551668:18446744073709551620}, catc_driver={31:0}, catc_id_table={30:0}, catc_netdev_ops={26:0}, driver_name={24:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_malloc(0UL)={-7:0}, ldv_urb_state=3, ops={25:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0] [L7161] return ldv_malloc(0UL); [L7029] RET, EXPR ldv_undefined_pointer() VAL [\old(iso_packets)=0, \old(ldv_urb_state)=3, \old(mem_flags)=208, __key___10={28:0}, __key___11={29:0}, __key___9={27:0}, __this_module={18446744073709551668:18446744073709551620}, catc_driver={31:0}, catc_id_table={30:0}, catc_netdev_ops={26:0}, driver_name={24:0}, iso_packets=0, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_undefined_pointer()={-7:0}, ldv_urb_state=3, mem_flags=208, ops={25:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0] [L7029] tmp___7 = ldv_undefined_pointer() [L7030] arbitrary_memory = tmp___7 VAL [\old(iso_packets)=0, \old(ldv_urb_state)=3, \old(mem_flags)=208, __key___10={28:0}, __key___11={29:0}, __key___9={27:0}, __this_module={18446744073709551668:18446744073709551620}, arbitrary_memory={-7:0}, catc_driver={31:0}, catc_id_table={30:0}, catc_netdev_ops={26:0}, driver_name={24:0}, iso_packets=0, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=3, mem_flags=208, ops={25:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0, tmp___7={-7:0}] [L7032] COND FALSE !(! arbitrary_memory) [L7036] ldv_urb_state = ldv_urb_state + 1 [L7037] return ((struct urb *)arbitrary_memory); VAL [\old(iso_packets)=0, \old(ldv_urb_state)=3, \old(mem_flags)=208, \result={-7:0}, __key___10={28:0}, __key___11={29:0}, __key___9={27:0}, __this_module={18446744073709551668:18446744073709551620}, arbitrary_memory={-7:0}, catc_driver={31:0}, catc_id_table={30:0}, catc_netdev_ops={26:0}, driver_name={24:0}, iso_packets=0, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=4, mem_flags=208, ops={25:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0, tmp___7={-7:0}] [L6382] RET, EXPR usb_alloc_urb(0, 208U) VAL [__key___10={28:0}, __key___11={29:0}, __key___9={27:0}, __this_module={18446744073709551668:18446744073709551620}, broadcast={53:0}, catc={32:127}, catc_driver={31:0}, catc_id_table={30:0}, catc_netdev_ops={26:0}, driver_name={24:0}, i={55:0}, id={18446744073709551682:18446744073709551655}, id={18446744073709551682:18446744073709551655}, intf={18446744073709551633:57}, intf={18446744073709551633:57}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=4, netdev={32:0}, ops={25:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0, tmp___7={-5:164}, tmp___8=0, tmp___9={32:127}, usb_alloc_urb(0, 208U)={-7:0}, usbdev={-5:164}] [L6382] catc->irq_urb = usb_alloc_urb(0, 208U) [L6384] EXPR catc->ctrl_urb VAL [__key___10={28:0}, __key___11={29:0}, __key___9={27:0}, __this_module={18446744073709551668:18446744073709551620}, broadcast={53:0}, catc={32:127}, catc->ctrl_urb={-3:0}, catc_driver={31:0}, catc_id_table={30:0}, catc_netdev_ops={26:0}, driver_name={24:0}, i={55:0}, id={18446744073709551682:18446744073709551655}, id={18446744073709551682:18446744073709551655}, intf={18446744073709551633:57}, intf={18446744073709551633:57}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=4, netdev={32:0}, ops={25:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0, tmp___7={-5:164}, tmp___8=0, tmp___9={32:127}, usbdev={-5:164}] [L6384] COND FALSE !(! catc->ctrl_urb) [L6387] EXPR catc->tx_urb VAL [__key___10={28:0}, __key___11={29:0}, __key___9={27:0}, __this_module={18446744073709551668:18446744073709551620}, broadcast={53:0}, catc={32:127}, catc->tx_urb={-5:0}, catc_driver={31:0}, catc_id_table={30:0}, catc_netdev_ops={26:0}, driver_name={24:0}, i={55:0}, id={18446744073709551682:18446744073709551655}, id={18446744073709551682:18446744073709551655}, intf={18446744073709551633:57}, intf={18446744073709551633:57}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=4, netdev={32:0}, ops={25:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0, tmp___7={-5:164}, tmp___8=0, tmp___9={32:127}, usbdev={-5:164}] [L6387] COND FALSE !(! catc->tx_urb) [L6390] EXPR catc->rx_urb VAL [__key___10={28:0}, __key___11={29:0}, __key___9={27:0}, __this_module={18446744073709551668:18446744073709551620}, broadcast={53:0}, catc={32:127}, catc->rx_urb={-6:0}, catc_driver={31:0}, catc_id_table={30:0}, catc_netdev_ops={26:0}, driver_name={24:0}, i={55:0}, id={18446744073709551682:18446744073709551655}, id={18446744073709551682:18446744073709551655}, intf={18446744073709551633:57}, intf={18446744073709551633:57}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=4, netdev={32:0}, ops={25:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0, tmp___7={-5:164}, tmp___8=0, tmp___9={32:127}, usbdev={-5:164}] [L6390] COND FALSE !(! catc->rx_urb) [L6393] EXPR catc->irq_urb VAL [__key___10={28:0}, __key___11={29:0}, __key___9={27:0}, __this_module={18446744073709551668:18446744073709551620}, broadcast={53:0}, catc={32:127}, catc->irq_urb={-7:0}, catc_driver={31:0}, catc_id_table={30:0}, catc_netdev_ops={26:0}, driver_name={24:0}, i={55:0}, id={18446744073709551682:18446744073709551655}, id={18446744073709551682:18446744073709551655}, intf={18446744073709551633:57}, intf={18446744073709551633:57}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=4, netdev={32:0}, ops={25:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0, tmp___7={-5:164}, tmp___8=0, tmp___9={32:127}, usbdev={-5:164}] [L6393] COND FALSE !(! catc->irq_urb) [L6406] EXPR usbdev->descriptor.idVendor VAL [__key___10={28:0}, __key___11={29:0}, __key___9={27:0}, __this_module={18446744073709551668:18446744073709551620}, broadcast={53:0}, catc={32:127}, catc_driver={31:0}, catc_id_table={30:0}, catc_netdev_ops={26:0}, driver_name={24:0}, i={55:0}, id={18446744073709551682:18446744073709551655}, id={18446744073709551682:18446744073709551655}, intf={18446744073709551633:57}, intf={18446744073709551633:57}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=4, netdev={32:0}, ops={25:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0, tmp___7={-5:164}, tmp___8=0, tmp___9={32:127}, usbdev={-5:164}, usbdev->descriptor.idVendor=70] [L6406] COND FALSE !((int )usbdev->descriptor.idVendor == 1059) [L6429] pktsz = 23070 VAL [__key___10={28:0}, __key___11={29:0}, __key___9={27:0}, __this_module={18446744073709551668:18446744073709551620}, broadcast={53:0}, catc={32:127}, catc_driver={31:0}, catc_id_table={30:0}, catc_netdev_ops={26:0}, driver_name={24:0}, i={55:0}, id={18446744073709551682:18446744073709551655}, id={18446744073709551682:18446744073709551655}, intf={18446744073709551633:57}, intf={18446744073709551633:57}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=4, netdev={32:0}, ops={25:0}, pktsz=23070, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0, tmp___7={-5:164}, tmp___8=0, tmp___9={32:127}, usbdev={-5:164}] [L6432] CALL, EXPR __create_pipe(usbdev, 0U) VAL [\old(endpoint)=0, __key___10={28:0}, __key___11={29:0}, __key___9={27:0}, __this_module={18446744073709551668:18446744073709551620}, catc_driver={31:0}, catc_id_table={30:0}, catc_netdev_ops={26:0}, dev={-5:164}, driver_name={24:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=4, ops={25:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0] [L5167] EXPR dev->devnum [L5167] return ((unsigned int )(dev->devnum << 8) | (endpoint << 15)); [L6432] RET, EXPR __create_pipe(usbdev, 0U) VAL [__create_pipe(usbdev, 0U)=18688, __key___10={28:0}, __key___11={29:0}, __key___9={27:0}, __this_module={18446744073709551668:18446744073709551620}, broadcast={53:0}, catc={32:127}, catc_driver={31:0}, catc_id_table={30:0}, catc_netdev_ops={26:0}, driver_name={24:0}, i={55:0}, id={18446744073709551682:18446744073709551655}, id={18446744073709551682:18446744073709551655}, intf={18446744073709551633:57}, intf={18446744073709551633:57}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=4, netdev={32:0}, ops={25:0}, pktsz=23070, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0, tmp___7={-5:164}, tmp___8=0, tmp___9={32:127}, usbdev={-5:164}] [L6432] tmp___10 = __create_pipe(usbdev, 0U) [L6433] EXPR catc->ctrl_urb [L6433-L6435] CALL usb_fill_control_urb(catc->ctrl_urb, usbdev, (unsigned int )(2 << 30) | tmp___10, (unsigned char *)((void *)0), (void *)0, 0, & catc_ctrl_done, (void *)catc) [L5103] urb->dev = dev [L5104] urb->pipe = pipe [L5105] urb->setup_packet = setup_packet [L5106] urb->transfer_buffer = transfer_buffer [L5107] urb->transfer_buffer_length = (u32 )buffer_length [L5108] urb->complete = complete_fn [L5109] urb->context = context VAL [\old(buffer_length)=0, \old(pipe)=18688, __key___10={28:0}, __key___11={29:0}, __key___9={27:0}, __this_module={18446744073709551668:18446744073709551620}, buffer_length=0, catc_driver={31:0}, catc_id_table={30:0}, catc_netdev_ops={26:0}, complete_fn={-1:13}, complete_fn={-1:13}, context={32:127}, context={32:127}, dev={-5:164}, dev={-5:164}, driver_name={24:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=4, ops={25:0}, pipe=18688, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0, setup_packet={0:0}, setup_packet={0:0}, transfer_buffer={0:0}, transfer_buffer={0:0}, urb={-3:0}, urb={-3:0}] [L6433-L6435] RET usb_fill_control_urb(catc->ctrl_urb, usbdev, (unsigned int )(2 << 30) | tmp___10, (unsigned char *)((void *)0), (void *)0, 0, & catc_ctrl_done, (void *)catc) [L6436] CALL, EXPR __create_pipe(usbdev, 1U) VAL [\old(endpoint)=1, __key___10={28:0}, __key___11={29:0}, __key___9={27:0}, __this_module={18446744073709551668:18446744073709551620}, catc_driver={31:0}, catc_id_table={30:0}, catc_netdev_ops={26:0}, dev={-5:164}, driver_name={24:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=4, ops={25:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0] [L5167] EXPR dev->devnum [L5167] return ((unsigned int )(dev->devnum << 8) | (endpoint << 15)); [L6436] RET, EXPR __create_pipe(usbdev, 1U) VAL [__create_pipe(usbdev, 1U)=32768, __key___10={28:0}, __key___11={29:0}, __key___9={27:0}, __this_module={18446744073709551668:18446744073709551620}, broadcast={53:0}, catc={32:127}, catc_driver={31:0}, catc_id_table={30:0}, catc_netdev_ops={26:0}, driver_name={24:0}, i={55:0}, id={18446744073709551682:18446744073709551655}, id={18446744073709551682:18446744073709551655}, intf={18446744073709551633:57}, intf={18446744073709551633:57}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=4, netdev={32:0}, ops={25:0}, pktsz=23070, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0, tmp___10=18688, tmp___7={-5:164}, tmp___8=0, tmp___9={32:127}, usbdev={-5:164}] [L6436] tmp___11 = __create_pipe(usbdev, 1U) [L6437] EXPR catc->tx_urb VAL [__key___10={28:0}, __key___11={29:0}, __key___9={27:0}, __this_module={18446744073709551668:18446744073709551620}, broadcast={53:0}, catc={32:127}, catc->tx_urb={-5:0}, catc_driver={31:0}, catc_id_table={30:0}, catc_netdev_ops={26:0}, driver_name={24:0}, i={55:0}, id={18446744073709551682:18446744073709551655}, id={18446744073709551682:18446744073709551655}, intf={18446744073709551633:57}, intf={18446744073709551633:57}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=4, netdev={32:0}, ops={25:0}, pktsz=23070, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0, tmp___10=18688, tmp___11=32768, tmp___7={-5:164}, tmp___8=0, tmp___9={32:127}, usbdev={-5:164}] [L6437-L6438] CALL usb_fill_bulk_urb(catc->tx_urb, usbdev, (unsigned int )(3 << 30) | tmp___11, (void *)0, 0, & catc_tx_done, (void *)catc) VAL [\old(buffer_length)=0, \old(pipe)=8388608, __key___10={28:0}, __key___11={29:0}, __key___9={27:0}, __this_module={18446744073709551668:18446744073709551620}, catc_driver={31:0}, catc_id_table={30:0}, catc_netdev_ops={26:0}, complete_fn={-1:14}, context={32:127}, dev={-5:164}, driver_name={24:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=4, ops={25:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0, transfer_buffer={0:0}, urb={-5:0}] [L5119] urb->dev = dev [L5120] urb->pipe = pipe [L5121] urb->transfer_buffer = transfer_buffer [L5122] urb->transfer_buffer_length = (u32 )buffer_length [L5123] urb->complete = complete_fn [L5124] urb->context = context VAL [\old(buffer_length)=0, \old(pipe)=8388608, __key___10={28:0}, __key___11={29:0}, __key___9={27:0}, __this_module={18446744073709551668:18446744073709551620}, buffer_length=0, catc_driver={31:0}, catc_id_table={30:0}, catc_netdev_ops={26:0}, complete_fn={-1:14}, complete_fn={-1:14}, context={32:127}, context={32:127}, dev={-5:164}, dev={-5:164}, driver_name={24:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=4, ops={25:0}, pipe=8388608, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0, transfer_buffer={0:0}, transfer_buffer={0:0}, urb={-5:0}, urb={-5:0}] [L6437-L6438] RET usb_fill_bulk_urb(catc->tx_urb, usbdev, (unsigned int )(3 << 30) | tmp___11, (void *)0, 0, & catc_tx_done, (void *)catc) VAL [__key___10={28:0}, __key___11={29:0}, __key___9={27:0}, __this_module={18446744073709551668:18446744073709551620}, broadcast={53:0}, catc={32:127}, catc->tx_urb={-5:0}, catc_driver={31:0}, catc_id_table={30:0}, catc_netdev_ops={26:0}, driver_name={24:0}, i={55:0}, id={18446744073709551682:18446744073709551655}, id={18446744073709551682:18446744073709551655}, intf={18446744073709551633:57}, intf={18446744073709551633:57}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=4, netdev={32:0}, ops={25:0}, pktsz=23070, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0, tmp___10=18688, tmp___11=32768, tmp___7={-5:164}, tmp___8=0, tmp___9={32:127}, usbdev={-5:164}] [L6439] CALL, EXPR __create_pipe(usbdev, 1U) VAL [\old(endpoint)=1, __key___10={28:0}, __key___11={29:0}, __key___9={27:0}, __this_module={18446744073709551668:18446744073709551620}, catc_driver={31:0}, catc_id_table={30:0}, catc_netdev_ops={26:0}, dev={-5:164}, driver_name={24:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=4, ops={25:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0] [L5167] EXPR dev->devnum [L5167] return ((unsigned int )(dev->devnum << 8) | (endpoint << 15)); [L6439] RET, EXPR __create_pipe(usbdev, 1U) VAL [__create_pipe(usbdev, 1U)=32768, __key___10={28:0}, __key___11={29:0}, __key___9={27:0}, __this_module={18446744073709551668:18446744073709551620}, broadcast={53:0}, catc={32:127}, catc_driver={31:0}, catc_id_table={30:0}, catc_netdev_ops={26:0}, driver_name={24:0}, i={55:0}, id={18446744073709551682:18446744073709551655}, id={18446744073709551682:18446744073709551655}, intf={18446744073709551633:57}, intf={18446744073709551633:57}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=4, netdev={32:0}, ops={25:0}, pktsz=23070, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0, tmp___10=18688, tmp___11=32768, tmp___7={-5:164}, tmp___8=0, tmp___9={32:127}, usbdev={-5:164}] [L6439] tmp___12 = __create_pipe(usbdev, 1U) [L6440] EXPR catc->rx_urb VAL [__key___10={28:0}, __key___11={29:0}, __key___9={27:0}, __this_module={18446744073709551668:18446744073709551620}, broadcast={53:0}, catc={32:127}, catc->rx_urb={-6:0}, catc_driver={31:0}, catc_id_table={30:0}, catc_netdev_ops={26:0}, driver_name={24:0}, i={55:0}, id={18446744073709551682:18446744073709551655}, id={18446744073709551682:18446744073709551655}, intf={18446744073709551633:57}, intf={18446744073709551633:57}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=4, netdev={32:0}, ops={25:0}, pktsz=23070, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0, tmp___10=18688, tmp___11=32768, tmp___12=32768, tmp___7={-5:164}, tmp___8=0, tmp___9={32:127}, usbdev={-5:164}] [L6440-L6441] CALL usb_fill_bulk_urb(catc->rx_urb, usbdev, ((unsigned int )(3 << 30) | tmp___12) | 128U, (void *)(catc->rx_buf), pktsz, & catc_rx_done, (void *)catc) VAL [\old(buffer_length)=23070, \old(pipe)=128, __key___10={28:0}, __key___11={29:0}, __key___9={27:0}, __this_module={18446744073709551668:18446744073709551620}, catc_driver={31:0}, catc_id_table={30:0}, catc_netdev_ops={26:0}, complete_fn={-1:15}, context={32:127}, dev={-5:164}, driver_name={24:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=4, ops={25:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0, transfer_buffer={32:46435}, urb={-6:0}] [L5119] urb->dev = dev [L5120] urb->pipe = pipe [L5121] urb->transfer_buffer = transfer_buffer [L5122] urb->transfer_buffer_length = (u32 )buffer_length [L5123] urb->complete = complete_fn [L5124] urb->context = context VAL [\old(buffer_length)=23070, \old(pipe)=128, __key___10={28:0}, __key___11={29:0}, __key___9={27:0}, __this_module={18446744073709551668:18446744073709551620}, buffer_length=23070, catc_driver={31:0}, catc_id_table={30:0}, catc_netdev_ops={26:0}, complete_fn={-1:15}, complete_fn={-1:15}, context={32:127}, context={32:127}, dev={-5:164}, dev={-5:164}, driver_name={24:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=4, ops={25:0}, pipe=128, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0, transfer_buffer={32:46435}, transfer_buffer={32:46435}, urb={-6:0}, urb={-6:0}] [L6440-L6441] RET usb_fill_bulk_urb(catc->rx_urb, usbdev, ((unsigned int )(3 << 30) | tmp___12) | 128U, (void *)(catc->rx_buf), pktsz, & catc_rx_done, (void *)catc) VAL [__key___10={28:0}, __key___11={29:0}, __key___9={27:0}, __this_module={18446744073709551668:18446744073709551620}, broadcast={53:0}, catc={32:127}, catc->rx_urb={-6:0}, catc_driver={31:0}, catc_id_table={30:0}, catc_netdev_ops={26:0}, driver_name={24:0}, i={55:0}, id={18446744073709551682:18446744073709551655}, id={18446744073709551682:18446744073709551655}, intf={18446744073709551633:57}, intf={18446744073709551633:57}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=4, netdev={32:0}, ops={25:0}, pktsz=23070, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0, tmp___10=18688, tmp___11=32768, tmp___12=32768, tmp___7={-5:164}, tmp___8=0, tmp___9={32:127}, usbdev={-5:164}] [L6442] CALL, EXPR __create_pipe(usbdev, 2U) VAL [\old(endpoint)=2, __key___10={28:0}, __key___11={29:0}, __key___9={27:0}, __this_module={18446744073709551668:18446744073709551620}, catc_driver={31:0}, catc_id_table={30:0}, catc_netdev_ops={26:0}, dev={-5:164}, driver_name={24:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=4, ops={25:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0] [L5167] EXPR dev->devnum [L5167] return ((unsigned int )(dev->devnum << 8) | (endpoint << 15)); [L6442] RET, EXPR __create_pipe(usbdev, 2U) VAL [__create_pipe(usbdev, 2U)=65536, __key___10={28:0}, __key___11={29:0}, __key___9={27:0}, __this_module={18446744073709551668:18446744073709551620}, broadcast={53:0}, catc={32:127}, catc_driver={31:0}, catc_id_table={30:0}, catc_netdev_ops={26:0}, driver_name={24:0}, i={55:0}, id={18446744073709551682:18446744073709551655}, id={18446744073709551682:18446744073709551655}, intf={18446744073709551633:57}, intf={18446744073709551633:57}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=4, netdev={32:0}, ops={25:0}, pktsz=23070, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0, tmp___10=18688, tmp___11=32768, tmp___12=32768, tmp___7={-5:164}, tmp___8=0, tmp___9={32:127}, usbdev={-5:164}] [L6442] tmp___13 = __create_pipe(usbdev, 2U) [L6443] EXPR catc->irq_urb [L6443-L6444] CALL usb_fill_int_urb(catc->irq_urb, usbdev, ((unsigned int )(1 << 30) | tmp___13) | 128U, (void *)(catc->irq_buf), 2, & catc_irq_done, (void *)catc, 1) [L5134] urb->dev = dev [L5135] urb->pipe = pipe [L5136] urb->transfer_buffer = transfer_buffer [L5137] urb->transfer_buffer_length = (u32 )buffer_length [L5138] urb->complete = complete_fn [L5139] urb->context = context [L5140] EXPR dev->speed VAL [\old(buffer_length)=2, \old(interval)=1, \old(pipe)=128, __key___10={28:0}, __key___11={29:0}, __key___9={27:0}, __this_module={18446744073709551668:18446744073709551620}, buffer_length=2, catc_driver={31:0}, catc_id_table={30:0}, catc_netdev_ops={26:0}, complete_fn={-1:16}, complete_fn={-1:16}, context={32:127}, context={32:127}, dev={-5:164}, dev={-5:164}, dev->speed=4294967299, driver_name={24:0}, interval=1, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=4, ops={25:0}, pipe=128, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0, transfer_buffer={32:69505}, transfer_buffer={32:69505}, urb={-7:0}, urb={-7:0}] [L5140] COND TRUE (unsigned int )dev->speed == 3U [L5141] urb->interval = 1 << (interval - 1) VAL [\old(buffer_length)=2, \old(interval)=1, \old(pipe)=128, __key___10={28:0}, __key___11={29:0}, __key___9={27:0}, __this_module={18446744073709551668:18446744073709551620}, buffer_length=2, catc_driver={31:0}, catc_id_table={30:0}, catc_netdev_ops={26:0}, complete_fn={-1:16}, complete_fn={-1:16}, context={32:127}, context={32:127}, dev={-5:164}, dev={-5:164}, driver_name={24:0}, interval=1, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=4, ops={25:0}, pipe=128, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0, transfer_buffer={32:69505}, transfer_buffer={32:69505}, urb={-7:0}, urb={-7:0}] [L5148] urb->start_frame = -1 VAL [\old(buffer_length)=2, \old(interval)=1, \old(pipe)=128, __key___10={28:0}, __key___11={29:0}, __key___9={27:0}, __this_module={18446744073709551668:18446744073709551620}, buffer_length=2, catc_driver={31:0}, catc_id_table={30:0}, catc_netdev_ops={26:0}, complete_fn={-1:16}, complete_fn={-1:16}, context={32:127}, context={32:127}, dev={-5:164}, dev={-5:164}, driver_name={24:0}, interval=1, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=4, ops={25:0}, pipe=128, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0, transfer_buffer={32:69505}, transfer_buffer={32:69505}, urb={-7:0}, urb={-7:0}] [L6443-L6444] RET usb_fill_int_urb(catc->irq_urb, usbdev, ((unsigned int )(1 << 30) | tmp___13) | 128U, (void *)(catc->irq_buf), 2, & catc_irq_done, (void *)catc, 1) [L6446] EXPR catc->is_f5u011 VAL [__key___10={28:0}, __key___11={29:0}, __key___9={27:0}, __this_module={18446744073709551668:18446744073709551620}, broadcast={53:0}, catc={32:127}, catc->is_f5u011=74, catc_driver={31:0}, catc_id_table={30:0}, catc_netdev_ops={26:0}, driver_name={24:0}, i={55:0}, id={18446744073709551682:18446744073709551655}, id={18446744073709551682:18446744073709551655}, intf={18446744073709551633:57}, intf={18446744073709551633:57}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=4, netdev={32:0}, ops={25:0}, pktsz=23070, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0, tmp___10=18688, tmp___11=32768, tmp___12=32768, tmp___13=65536, tmp___7={-5:164}, tmp___8=0, tmp___9={32:127}, usbdev={-5:164}] [L6446] COND FALSE !(! catc->is_f5u011) [L6599] COND TRUE 1 VAL [__key___10={28:0}, __key___11={29:0}, __key___9={27:0}, __this_module={18446744073709551668:18446744073709551620}, broadcast={53:0}, catc={32:127}, catc_driver={31:0}, catc_id_table={30:0}, catc_netdev_ops={26:0}, driver_name={24:0}, i={55:0}, id={18446744073709551682:18446744073709551655}, id={18446744073709551682:18446744073709551655}, intf={18446744073709551633:57}, intf={18446744073709551633:57}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=4, netdev={32:0}, ops={25:0}, pktsz=23070, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0, tmp___10=18688, tmp___11=32768, tmp___12=32768, tmp___13=65536, tmp___7={-5:164}, tmp___8=0, tmp___9={32:127}, usbdev={-5:164}] [L6607] CALL catc_ctrl_msg(catc, (u8 )0, (u8 )244, (u16 )0, (u16 )0, (void *)0, 0) VAL [__key___10={28:0}, __key___11={29:0}, __key___9={27:0}, __this_module={18446744073709551668:18446744073709551620}, catc_driver={31:0}, catc_id_table={30:0}, catc_netdev_ops={26:0}, driver_name={24:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=4, ops={25:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0] [L5677] int retval ; [L5678] unsigned int tmp___7 ; [L5679] unsigned int tmp___8 ; [L5680] unsigned int tmp___9 ; [L5681] int tmp___10 ; [L5682] int tmp___11 ; VAL [\old(dir)=0, \old(index)=0, \old(len)=0, \old(request)=244, \old(value)=0, __key___10={28:0}, __key___11={29:0}, __key___9={27:0}, __this_module={18446744073709551668:18446744073709551620}, buf={0:0}, buf={0:0}, catc={32:127}, catc={32:127}, catc_driver={31:0}, catc_id_table={30:0}, catc_netdev_ops={26:0}, dir=0, driver_name={24:0}, index=0, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=4, len=0, ops={25:0}, request=244, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0, value=0] [L5684] COND FALSE !(\read(dir)) [L5691] EXPR catc->usbdev VAL [\old(dir)=0, \old(index)=0, \old(len)=0, \old(request)=244, \old(value)=0, __key___10={28:0}, __key___11={29:0}, __key___9={27:0}, __this_module={18446744073709551668:18446744073709551620}, buf={0:0}, buf={0:0}, catc={32:127}, catc={32:127}, catc->usbdev={-5:164}, catc_driver={31:0}, catc_id_table={30:0}, catc_netdev_ops={26:0}, dir=0, driver_name={24:0}, index=0, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=4, len=0, ops={25:0}, request=244, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0, value=0] [L5691] CALL, EXPR __create_pipe(catc->usbdev, 0U) VAL [\old(endpoint)=0, __key___10={28:0}, __key___11={29:0}, __key___9={27:0}, __this_module={18446744073709551668:18446744073709551620}, catc_driver={31:0}, catc_id_table={30:0}, catc_netdev_ops={26:0}, dev={-5:164}, driver_name={24:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=4, ops={25:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0] [L5167] EXPR dev->devnum [L5167] return ((unsigned int )(dev->devnum << 8) | (endpoint << 15)); [L5691] RET, EXPR __create_pipe(catc->usbdev, 0U) VAL [\old(dir)=0, \old(index)=0, \old(len)=0, \old(request)=244, \old(value)=0, __create_pipe(catc->usbdev, 0U)=2147483648, __key___10={28:0}, __key___11={29:0}, __key___9={27:0}, __this_module={18446744073709551668:18446744073709551620}, buf={0:0}, buf={0:0}, catc={32:127}, catc={32:127}, catc->usbdev={-5:164}, catc_driver={31:0}, catc_id_table={30:0}, catc_netdev_ops={26:0}, dir=0, driver_name={24:0}, index=0, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=4, len=0, ops={25:0}, request=244, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0, value=0] [L5691] tmp___8 = __create_pipe(catc->usbdev, 0U) [L5692] tmp___9 = (unsigned int )(2 << 30) | tmp___8 VAL [\old(dir)=0, \old(index)=0, \old(len)=0, \old(request)=244, \old(value)=0, __key___10={28:0}, __key___11={29:0}, __key___9={27:0}, __this_module={18446744073709551668:18446744073709551620}, buf={0:0}, buf={0:0}, catc={32:127}, catc={32:127}, catc_driver={31:0}, catc_id_table={30:0}, catc_netdev_ops={26:0}, dir=0, driver_name={24:0}, index=0, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=4, len=0, ops={25:0}, request=244, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0, tmp___8=2147483648, tmp___9=2147483648, value=0] [L5696] EXPR catc->usbdev [L5696-L5697] CALL, EXPR usb_control_msg(catc->usbdev, tmp___9, request, (__u8 )(64 | (int )dir), value, index, buf, (__u16 )len, 1000) [L7199] return __VERIFIER_nondet_int(); [L5696-L5697] RET, EXPR usb_control_msg(catc->usbdev, tmp___9, request, (__u8 )(64 | (int )dir), value, index, buf, (__u16 )len, 1000) [L5696-L5697] tmp___10 = usb_control_msg(catc->usbdev, tmp___9, request, (__u8 )(64 | (int )dir), value, index, buf, (__u16 )len, 1000) [L5698] retval = tmp___10 VAL [\old(dir)=0, \old(index)=0, \old(len)=0, \old(request)=244, \old(value)=0, __key___10={28:0}, __key___11={29:0}, __key___9={27:0}, __this_module={18446744073709551668:18446744073709551620}, buf={0:0}, buf={0:0}, catc={32:127}, catc={32:127}, catc_driver={31:0}, catc_id_table={30:0}, catc_netdev_ops={26:0}, dir=0, driver_name={24:0}, index=0, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=4, len=0, ops={25:0}, request=244, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0, retval=-1, tmp___10=-1, tmp___8=2147483648, tmp___9=2147483648, value=0] [L5700] COND TRUE retval < 0 [L5701] tmp___11 = retval VAL [\old(dir)=0, \old(index)=0, \old(len)=0, \old(request)=244, \old(value)=0, __key___10={28:0}, __key___11={29:0}, __key___9={27:0}, __this_module={18446744073709551668:18446744073709551620}, buf={0:0}, buf={0:0}, catc={32:127}, catc={32:127}, catc_driver={31:0}, catc_id_table={30:0}, catc_netdev_ops={26:0}, dir=0, driver_name={24:0}, index=0, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=4, len=0, ops={25:0}, request=244, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0, retval=-1, tmp___10=-1, tmp___11=-1, tmp___8=2147483648, tmp___9=2147483648, value=0] [L5705] return (tmp___11); VAL [\old(dir)=0, \old(index)=0, \old(len)=0, \old(request)=244, \old(value)=0, \result=-1, __key___10={28:0}, __key___11={29:0}, __key___9={27:0}, __this_module={18446744073709551668:18446744073709551620}, buf={0:0}, buf={0:0}, catc={32:127}, catc={32:127}, catc_driver={31:0}, catc_id_table={30:0}, catc_netdev_ops={26:0}, dir=0, driver_name={24:0}, index=0, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=4, len=0, ops={25:0}, request=244, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0, retval=-1, tmp___10=-1, tmp___11=-1, tmp___8=2147483648, tmp___9=2147483648, value=0] [L6607] RET catc_ctrl_msg(catc, (u8 )0, (u8 )244, (u16 )0, (u16 )0, (void *)0, 0) VAL [__key___10={28:0}, __key___11={29:0}, __key___9={27:0}, __this_module={18446744073709551668:18446744073709551620}, broadcast={53:0}, catc={32:127}, catc_ctrl_msg(catc, (u8 )0, (u8 )244, (u16 )0, (u16 )0, (void *)0, 0)=-1, catc_driver={31:0}, catc_id_table={30:0}, catc_netdev_ops={26:0}, driver_name={24:0}, i={55:0}, id={18446744073709551682:18446744073709551655}, id={18446744073709551682:18446744073709551655}, intf={18446744073709551633:57}, intf={18446744073709551633:57}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=4, netdev={32:0}, ops={25:0}, pktsz=23070, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0, tmp___10=18688, tmp___11=32768, tmp___12=32768, tmp___13=65536, tmp___7={-5:164}, tmp___8=0, tmp___9={32:127}, usbdev={-5:164}] [L6608] EXPR netdev->dev_addr VAL [__key___10={28:0}, __key___11={29:0}, __key___9={27:0}, __this_module={18446744073709551668:18446744073709551620}, broadcast={53:0}, catc={32:127}, catc_driver={31:0}, catc_id_table={30:0}, catc_netdev_ops={26:0}, driver_name={24:0}, i={55:0}, id={18446744073709551682:18446744073709551655}, id={18446744073709551682:18446744073709551655}, intf={18446744073709551633:57}, intf={18446744073709551633:57}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=4, netdev={32:0}, netdev->dev_addr={18446744073709551651:18446744073709551680}, ops={25:0}, pktsz=23070, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0, tmp___10=18688, tmp___11=32768, tmp___12=32768, tmp___13=65536, tmp___7={-5:164}, tmp___8=0, tmp___9={32:127}, usbdev={-5:164}] [L6608-L6609] CALL catc_ctrl_msg(catc, (u8 )128, (u8 )242, (u16 )0, (u16 )0, (void *)netdev->dev_addr, 6) VAL [__key___10={28:0}, __key___11={29:0}, __key___9={27:0}, __this_module={18446744073709551668:18446744073709551620}, catc_driver={31:0}, catc_id_table={30:0}, catc_netdev_ops={26:0}, driver_name={24:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=4, ops={25:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0] [L5677] int retval ; [L5678] unsigned int tmp___7 ; [L5679] unsigned int tmp___8 ; [L5680] unsigned int tmp___9 ; [L5681] int tmp___10 ; [L5682] int tmp___11 ; VAL [\old(dir)=128, \old(index)=0, \old(len)=6, \old(request)=242, \old(value)=0, __key___10={28:0}, __key___11={29:0}, __key___9={27:0}, __this_module={18446744073709551668:18446744073709551620}, buf={18446744073709551651:18446744073709551680}, buf={18446744073709551651:18446744073709551680}, catc={32:127}, catc={32:127}, catc_driver={31:0}, catc_id_table={30:0}, catc_netdev_ops={26:0}, dir=128, driver_name={24:0}, index=0, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=4, len=6, ops={25:0}, request=242, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0, value=0] [L5684] COND TRUE \read(dir) [L5686] EXPR catc->usbdev VAL [\old(dir)=128, \old(index)=0, \old(len)=6, \old(request)=242, \old(value)=0, __key___10={28:0}, __key___11={29:0}, __key___9={27:0}, __this_module={18446744073709551668:18446744073709551620}, buf={18446744073709551651:18446744073709551680}, buf={18446744073709551651:18446744073709551680}, catc={32:127}, catc={32:127}, catc->usbdev={-5:164}, catc_driver={31:0}, catc_id_table={30:0}, catc_netdev_ops={26:0}, dir=128, driver_name={24:0}, index=0, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=4, len=6, ops={25:0}, request=242, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0, value=0] [L5686] CALL, EXPR __create_pipe(catc->usbdev, 0U) VAL [\old(endpoint)=0, __key___10={28:0}, __key___11={29:0}, __key___9={27:0}, __this_module={18446744073709551668:18446744073709551620}, catc_driver={31:0}, catc_id_table={30:0}, catc_netdev_ops={26:0}, dev={-5:164}, driver_name={24:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=4, ops={25:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0] [L5167] EXPR dev->devnum [L5167] return ((unsigned int )(dev->devnum << 8) | (endpoint << 15)); [L5686] RET, EXPR __create_pipe(catc->usbdev, 0U) VAL [\old(dir)=128, \old(index)=0, \old(len)=6, \old(request)=242, \old(value)=0, __create_pipe(catc->usbdev, 0U)=2147483648, __key___10={28:0}, __key___11={29:0}, __key___9={27:0}, __this_module={18446744073709551668:18446744073709551620}, buf={18446744073709551651:18446744073709551680}, buf={18446744073709551651:18446744073709551680}, catc={32:127}, catc={32:127}, catc->usbdev={-5:164}, catc_driver={31:0}, catc_id_table={30:0}, catc_netdev_ops={26:0}, dir=128, driver_name={24:0}, index=0, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=4, len=6, ops={25:0}, request=242, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0, value=0] [L5686] tmp___7 = __create_pipe(catc->usbdev, 0U) [L5687] tmp___9 = ((unsigned int )(2 << 30) | tmp___7) | 128U VAL [\old(dir)=128, \old(index)=0, \old(len)=6, \old(request)=242, \old(value)=0, __key___10={28:0}, __key___11={29:0}, __key___9={27:0}, __this_module={18446744073709551668:18446744073709551620}, buf={18446744073709551651:18446744073709551680}, buf={18446744073709551651:18446744073709551680}, catc={32:127}, catc={32:127}, catc_driver={31:0}, catc_id_table={30:0}, catc_netdev_ops={26:0}, dir=128, driver_name={24:0}, index=0, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=4, len=6, ops={25:0}, request=242, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0, tmp___7=2147483648, tmp___9=2147483649, value=0] [L5696] EXPR catc->usbdev [L5696-L5697] CALL, EXPR usb_control_msg(catc->usbdev, tmp___9, request, (__u8 )(64 | (int )dir), value, index, buf, (__u16 )len, 1000) [L7199] return __VERIFIER_nondet_int(); [L5696-L5697] RET, EXPR usb_control_msg(catc->usbdev, tmp___9, request, (__u8 )(64 | (int )dir), value, index, buf, (__u16 )len, 1000) [L5696-L5697] tmp___10 = usb_control_msg(catc->usbdev, tmp___9, request, (__u8 )(64 | (int )dir), value, index, buf, (__u16 )len, 1000) [L5698] retval = tmp___10 VAL [\old(dir)=128, \old(index)=0, \old(len)=6, \old(request)=242, \old(value)=0, __key___10={28:0}, __key___11={29:0}, __key___9={27:0}, __this_module={18446744073709551668:18446744073709551620}, buf={18446744073709551651:18446744073709551680}, buf={18446744073709551651:18446744073709551680}, catc={32:127}, catc={32:127}, catc_driver={31:0}, catc_id_table={30:0}, catc_netdev_ops={26:0}, dir=128, driver_name={24:0}, index=0, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=4, len=6, ops={25:0}, request=242, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0, retval=-1, tmp___10=-1, tmp___7=2147483648, tmp___9=2147483649, value=0] [L5700] COND TRUE retval < 0 [L5701] tmp___11 = retval VAL [\old(dir)=128, \old(index)=0, \old(len)=6, \old(request)=242, \old(value)=0, __key___10={28:0}, __key___11={29:0}, __key___9={27:0}, __this_module={18446744073709551668:18446744073709551620}, buf={18446744073709551651:18446744073709551680}, buf={18446744073709551651:18446744073709551680}, catc={32:127}, catc={32:127}, catc_driver={31:0}, catc_id_table={30:0}, catc_netdev_ops={26:0}, dir=128, driver_name={24:0}, index=0, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=4, len=6, ops={25:0}, request=242, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0, retval=-1, tmp___10=-1, tmp___11=-1, tmp___7=2147483648, tmp___9=2147483649, value=0] [L5705] return (tmp___11); VAL [\old(dir)=128, \old(index)=0, \old(len)=6, \old(request)=242, \old(value)=0, \result=-1, __key___10={28:0}, __key___11={29:0}, __key___9={27:0}, __this_module={18446744073709551668:18446744073709551620}, buf={18446744073709551651:18446744073709551680}, buf={18446744073709551651:18446744073709551680}, catc={32:127}, catc={32:127}, catc_driver={31:0}, catc_id_table={30:0}, catc_netdev_ops={26:0}, dir=128, driver_name={24:0}, index=0, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=4, len=6, ops={25:0}, request=242, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0, retval=-1, tmp___10=-1, tmp___11=-1, tmp___7=2147483648, tmp___9=2147483649, value=0] [L6608-L6609] RET catc_ctrl_msg(catc, (u8 )128, (u8 )242, (u16 )0, (u16 )0, (void *)netdev->dev_addr, 6) VAL [__key___10={28:0}, __key___11={29:0}, __key___9={27:0}, __this_module={18446744073709551668:18446744073709551620}, broadcast={53:0}, catc={32:127}, catc_ctrl_msg(catc, (u8 )128, (u8 )242, (u16 )0, (u16 )0, (void *)netdev->dev_addr, 6)=-1, catc_driver={31:0}, catc_id_table={30:0}, catc_netdev_ops={26:0}, driver_name={24:0}, i={55:0}, id={18446744073709551682:18446744073709551655}, id={18446744073709551682:18446744073709551655}, intf={18446744073709551633:57}, intf={18446744073709551633:57}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=4, netdev={32:0}, netdev->dev_addr={18446744073709551651:18446744073709551680}, ops={25:0}, pktsz=23070, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0, tmp___10=18688, tmp___11=32768, tmp___12=32768, tmp___13=65536, tmp___7={-5:164}, tmp___8=0, tmp___9={32:127}, usbdev={-5:164}] [L6612] COND TRUE 1 VAL [__key___10={28:0}, __key___11={29:0}, __key___9={27:0}, __this_module={18446744073709551668:18446744073709551620}, broadcast={53:0}, catc={32:127}, catc_driver={31:0}, catc_id_table={30:0}, catc_netdev_ops={26:0}, driver_name={24:0}, i={55:0}, id={18446744073709551682:18446744073709551655}, id={18446744073709551682:18446744073709551655}, intf={18446744073709551633:57}, intf={18446744073709551633:57}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=4, netdev={32:0}, ops={25:0}, pktsz=23070, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0, tmp___10=18688, tmp___11=32768, tmp___12=32768, tmp___13=65536, tmp___7={-5:164}, tmp___8=0, tmp___9={32:127}, usbdev={-5:164}] [L6620] catc->rxmode[0] = (u8 )11 [L6621] catc->rxmode[1] = (u8 )0 VAL [__key___10={28:0}, __key___11={29:0}, __key___9={27:0}, __this_module={18446744073709551668:18446744073709551620}, broadcast={53:0}, catc={32:127}, catc_driver={31:0}, catc_id_table={30:0}, catc_netdev_ops={26:0}, driver_name={24:0}, i={55:0}, id={18446744073709551682:18446744073709551655}, id={18446744073709551682:18446744073709551655}, intf={18446744073709551633:57}, intf={18446744073709551633:57}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=4, netdev={32:0}, ops={25:0}, pktsz=23070, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0, tmp___10=18688, tmp___11=32768, tmp___12=32768, tmp___13=65536, tmp___7={-5:164}, tmp___8=0, tmp___9={32:127}, usbdev={-5:164}] [L6622-L6623] CALL catc_ctrl_msg(catc, (u8 )0, (u8 )245, (u16 )0, (u16 )1, (void *)(catc->rxmode), 2) VAL [__key___10={28:0}, __key___11={29:0}, __key___9={27:0}, __this_module={18446744073709551668:18446744073709551620}, catc_driver={31:0}, catc_id_table={30:0}, catc_netdev_ops={26:0}, driver_name={24:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=4, ops={25:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0] [L5677] int retval ; [L5678] unsigned int tmp___7 ; [L5679] unsigned int tmp___8 ; [L5680] unsigned int tmp___9 ; [L5681] int tmp___10 ; [L5682] int tmp___11 ; VAL [\old(dir)=0, \old(index)=1, \old(len)=2, \old(request)=245, \old(value)=0, __key___10={28:0}, __key___11={29:0}, __key___9={27:0}, __this_module={18446744073709551668:18446744073709551620}, buf={32:70240}, buf={32:70240}, catc={32:127}, catc={32:127}, catc_driver={31:0}, catc_id_table={30:0}, catc_netdev_ops={26:0}, dir=0, driver_name={24:0}, index=1, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=4, len=2, ops={25:0}, request=245, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0, value=0] [L5684] COND FALSE !(\read(dir)) [L5691] EXPR catc->usbdev VAL [\old(dir)=0, \old(index)=1, \old(len)=2, \old(request)=245, \old(value)=0, __key___10={28:0}, __key___11={29:0}, __key___9={27:0}, __this_module={18446744073709551668:18446744073709551620}, buf={32:70240}, buf={32:70240}, catc={32:127}, catc={32:127}, catc->usbdev={-5:164}, catc_driver={31:0}, catc_id_table={30:0}, catc_netdev_ops={26:0}, dir=0, driver_name={24:0}, index=1, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=4, len=2, ops={25:0}, request=245, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0, value=0] [L5691] CALL, EXPR __create_pipe(catc->usbdev, 0U) VAL [\old(endpoint)=0, __key___10={28:0}, __key___11={29:0}, __key___9={27:0}, __this_module={18446744073709551668:18446744073709551620}, catc_driver={31:0}, catc_id_table={30:0}, catc_netdev_ops={26:0}, dev={-5:164}, driver_name={24:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=4, ops={25:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0] [L5167] EXPR dev->devnum [L5167] return ((unsigned int )(dev->devnum << 8) | (endpoint << 15)); [L5691] RET, EXPR __create_pipe(catc->usbdev, 0U) VAL [\old(dir)=0, \old(index)=1, \old(len)=2, \old(request)=245, \old(value)=0, __create_pipe(catc->usbdev, 0U)=2147483648, __key___10={28:0}, __key___11={29:0}, __key___9={27:0}, __this_module={18446744073709551668:18446744073709551620}, buf={32:70240}, buf={32:70240}, catc={32:127}, catc={32:127}, catc->usbdev={-5:164}, catc_driver={31:0}, catc_id_table={30:0}, catc_netdev_ops={26:0}, dir=0, driver_name={24:0}, index=1, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=4, len=2, ops={25:0}, request=245, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0, value=0] [L5691] tmp___8 = __create_pipe(catc->usbdev, 0U) [L5692] tmp___9 = (unsigned int )(2 << 30) | tmp___8 VAL [\old(dir)=0, \old(index)=1, \old(len)=2, \old(request)=245, \old(value)=0, __key___10={28:0}, __key___11={29:0}, __key___9={27:0}, __this_module={18446744073709551668:18446744073709551620}, buf={32:70240}, buf={32:70240}, catc={32:127}, catc={32:127}, catc_driver={31:0}, catc_id_table={30:0}, catc_netdev_ops={26:0}, dir=0, driver_name={24:0}, index=1, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=4, len=2, ops={25:0}, request=245, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0, tmp___8=2147483648, tmp___9=2147483648, value=0] [L5696] EXPR catc->usbdev [L5696-L5697] CALL, EXPR usb_control_msg(catc->usbdev, tmp___9, request, (__u8 )(64 | (int )dir), value, index, buf, (__u16 )len, 1000) [L7199] return __VERIFIER_nondet_int(); [L5696-L5697] RET, EXPR usb_control_msg(catc->usbdev, tmp___9, request, (__u8 )(64 | (int )dir), value, index, buf, (__u16 )len, 1000) [L5696-L5697] tmp___10 = usb_control_msg(catc->usbdev, tmp___9, request, (__u8 )(64 | (int )dir), value, index, buf, (__u16 )len, 1000) [L5698] retval = tmp___10 VAL [\old(dir)=0, \old(index)=1, \old(len)=2, \old(request)=245, \old(value)=0, __key___10={28:0}, __key___11={29:0}, __key___9={27:0}, __this_module={18446744073709551668:18446744073709551620}, buf={32:70240}, buf={32:70240}, catc={32:127}, catc={32:127}, catc_driver={31:0}, catc_id_table={30:0}, catc_netdev_ops={26:0}, dir=0, driver_name={24:0}, index=1, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=4, len=2, ops={25:0}, request=245, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0, retval=-1, tmp___10=-1, tmp___8=2147483648, tmp___9=2147483648, value=0] [L5700] COND TRUE retval < 0 [L5701] tmp___11 = retval VAL [\old(dir)=0, \old(index)=1, \old(len)=2, \old(request)=245, \old(value)=0, __key___10={28:0}, __key___11={29:0}, __key___9={27:0}, __this_module={18446744073709551668:18446744073709551620}, buf={32:70240}, buf={32:70240}, catc={32:127}, catc={32:127}, catc_driver={31:0}, catc_id_table={30:0}, catc_netdev_ops={26:0}, dir=0, driver_name={24:0}, index=1, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=4, len=2, ops={25:0}, request=245, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0, retval=-1, tmp___10=-1, tmp___11=-1, tmp___8=2147483648, tmp___9=2147483648, value=0] [L5705] return (tmp___11); VAL [\old(dir)=0, \old(index)=1, \old(len)=2, \old(request)=245, \old(value)=0, \result=-1, __key___10={28:0}, __key___11={29:0}, __key___9={27:0}, __this_module={18446744073709551668:18446744073709551620}, buf={32:70240}, buf={32:70240}, catc={32:127}, catc={32:127}, catc_driver={31:0}, catc_id_table={30:0}, catc_netdev_ops={26:0}, dir=0, driver_name={24:0}, index=1, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=4, len=2, ops={25:0}, request=245, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0, retval=-1, tmp___10=-1, tmp___11=-1, tmp___8=2147483648, tmp___9=2147483648, value=0] [L6622-L6623] RET catc_ctrl_msg(catc, (u8 )0, (u8 )245, (u16 )0, (u16 )1, (void *)(catc->rxmode), 2) VAL [__key___10={28:0}, __key___11={29:0}, __key___9={27:0}, __this_module={18446744073709551668:18446744073709551620}, broadcast={53:0}, catc={32:127}, catc_ctrl_msg(catc, (u8 )0, (u8 )245, (u16 )0, (u16 )1, (void *)(catc->rxmode), 2)=-1, catc_driver={31:0}, catc_id_table={30:0}, catc_netdev_ops={26:0}, driver_name={24:0}, i={55:0}, id={18446744073709551682:18446744073709551655}, id={18446744073709551682:18446744073709551655}, intf={18446744073709551633:57}, intf={18446744073709551633:57}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=4, netdev={32:0}, ops={25:0}, pktsz=23070, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0, tmp___10=18688, tmp___11=32768, tmp___12=32768, tmp___13=65536, tmp___7={-5:164}, tmp___8=0, tmp___9={32:127}, usbdev={-5:164}] [L6627] COND TRUE 1 VAL [__key___10={28:0}, __key___11={29:0}, __key___9={27:0}, __this_module={18446744073709551668:18446744073709551620}, broadcast={53:0}, catc={32:127}, catc_driver={31:0}, catc_id_table={30:0}, catc_netdev_ops={26:0}, driver_name={24:0}, i={55:0}, id={18446744073709551682:18446744073709551655}, id={18446744073709551682:18446744073709551655}, intf={18446744073709551633:57}, intf={18446744073709551633:57}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=4, netdev={32:0}, ops={25:0}, pktsz=23070, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0, tmp___10=18688, tmp___11=32768, tmp___12=32768, tmp___13=65536, tmp___7={-5:164}, tmp___8=0, tmp___9={32:127}, usbdev={-5:164}] [L6634] catc->is_f5u011 VAL [__key___10={28:0}, __key___11={29:0}, __key___9={27:0}, __this_module={18446744073709551668:18446744073709551620}, broadcast={53:0}, catc={32:127}, catc->is_f5u011=74, catc_driver={31:0}, catc_id_table={30:0}, catc_netdev_ops={26:0}, driver_name={24:0}, i={55:0}, id={18446744073709551682:18446744073709551655}, id={18446744073709551682:18446744073709551655}, intf={18446744073709551633:57}, intf={18446744073709551633:57}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=4, netdev={32:0}, ops={25:0}, pktsz=23070, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0, tmp___10=18688, tmp___11=32768, tmp___12=32768, tmp___13=65536, tmp___7={-5:164}, tmp___8=0, tmp___9={32:127}, usbdev={-5:164}] [L6634] COND TRUE catc->is_f5u011 [L6635] tmp___14 = "Belkin F5U011" VAL [__key___10={28:0}, __key___11={29:0}, __key___9={27:0}, __this_module={18446744073709551668:18446744073709551620}, broadcast={53:0}, catc={32:127}, catc_driver={31:0}, catc_id_table={30:0}, catc_netdev_ops={26:0}, driver_name={24:0}, i={55:0}, id={18446744073709551682:18446744073709551655}, id={18446744073709551682:18446744073709551655}, intf={18446744073709551633:57}, intf={18446744073709551633:57}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=4, netdev={32:0}, ops={25:0}, pktsz=23070, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0, tmp___10=18688, tmp___11=32768, tmp___12=32768, tmp___13=65536, tmp___14={20:0}, tmp___7={-5:164}, tmp___8=0, tmp___9={32:127}, usbdev={-5:164}] [L6640] EXPR usbdev->bus [L6640] (usbdev->bus)->bus_name [L6641] netdev->dev_addr [L6642] CALL usb_set_intfdata(intf, (void *)catc) VAL [__key___10={28:0}, __key___11={29:0}, __key___9={27:0}, __this_module={18446744073709551668:18446744073709551620}, catc_driver={31:0}, catc_id_table={30:0}, catc_netdev_ops={26:0}, driver_name={24:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=4, ops={25:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0] [L5059] CALL dev_set_drvdata(& intf->dev, data) [L7138] return __VERIFIER_nondet_int(); [L5059] RET dev_set_drvdata(& intf->dev, data) [L6642] RET usb_set_intfdata(intf, (void *)catc) VAL [__key___10={28:0}, __key___11={29:0}, __key___9={27:0}, __this_module={18446744073709551668:18446744073709551620}, broadcast={53:0}, catc={32:127}, catc_driver={31:0}, catc_id_table={30:0}, catc_netdev_ops={26:0}, driver_name={24:0}, i={55:0}, id={18446744073709551682:18446744073709551655}, id={18446744073709551682:18446744073709551655}, intf={18446744073709551633:57}, intf={18446744073709551633:57}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=4, netdev={32:0}, ops={25:0}, pktsz=23070, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0, tmp___10=18688, tmp___11=32768, tmp___12=32768, tmp___13=65536, tmp___14={20:0}, tmp___7={-5:164}, tmp___8=0, tmp___9={32:127}, usbdev={-5:164}] [L6643] netdev->dev.parent = & intf->dev [L6644] CALL, EXPR register_netdev(netdev) [L7187] return __VERIFIER_nondet_int(); [L6644] RET, EXPR register_netdev(netdev) [L6644] tmp___15 = register_netdev(netdev) [L6646] COND FALSE !(tmp___15 != 0) [L6658] return (0); [L6658] return (0); [L6658] return (0); VAL [\result=0, __key___10={28:0}, __key___11={29:0}, __key___9={27:0}, __this_module={18446744073709551668:18446744073709551620}, catc={32:127}, catc_driver={31:0}, catc_id_table={30:0}, catc_netdev_ops={26:0}, driver_name={24:0}, id={18446744073709551682:18446744073709551655}, id={18446744073709551682:18446744073709551655}, intf={18446744073709551633:57}, intf={18446744073709551633:57}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=4, netdev={32:0}, ops={25:0}, pktsz=23070, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0, tmp___10=18688, tmp___11=32768, tmp___12=32768, tmp___13=65536, tmp___14={20:0}, tmp___15=0, tmp___7={-5:164}, tmp___8=0, tmp___9={32:127}, usbdev={-5:164}] [L6897] RET, EXPR catc_probe(var_group5, var_catc_probe_17_p1) [L6897] res_catc_probe_17 = catc_probe(var_group5, var_catc_probe_17_p1) [L6898] FCALL ldv_check_return_value(res_catc_probe_17) VAL [__key___10={28:0}, __key___11={29:0}, __key___9={27:0}, __this_module={18446744073709551668:18446744073709551620}, catc_driver={31:0}, catc_id_table={30:0}, catc_netdev_ops={26:0}, driver_name={24:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_s_catc_driver_usb_driver=0, ldv_s_catc_netdev_ops_net_device_ops=0, ldv_urb_state=4, ops={25:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0, tmp___7=0, tmp___8=7, tmp___9=1, var_catc_probe_17_p1={18446744073709551682:18446744073709551655}, var_group5={18446744073709551633:57}] [L6900] COND FALSE !(\read(res_catc_probe_17)) [L6904] ldv_s_catc_driver_usb_driver = ldv_s_catc_driver_usb_driver + 1 VAL [__key___10={28:0}, __key___11={29:0}, __key___9={27:0}, __this_module={18446744073709551668:18446744073709551620}, catc_driver={31:0}, catc_id_table={30:0}, catc_netdev_ops={26:0}, driver_name={24:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_s_catc_driver_usb_driver=1, ldv_s_catc_netdev_ops_net_device_ops=0, ldv_urb_state=4, ops={25:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0, tmp___7=0, tmp___8=7, tmp___9=1, var_catc_probe_17_p1={18446744073709551682:18446744073709551655}, var_group5={18446744073709551633:57}] [L6793] COND TRUE 1 VAL [__key___10={28:0}, __key___11={29:0}, __key___9={27:0}, __this_module={18446744073709551668:18446744073709551620}, catc_driver={31:0}, catc_id_table={30:0}, catc_netdev_ops={26:0}, driver_name={24:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_s_catc_driver_usb_driver=1, ldv_s_catc_netdev_ops_net_device_ops=0, ldv_urb_state=4, ops={25:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0, tmp___7=0, tmp___8=7, tmp___9=1, var_catc_probe_17_p1={18446744073709551682:18446744073709551655}, var_group5={18446744073709551633:57}] [L6796] tmp___9 = __VERIFIER_nondet_int() [L6798] COND TRUE \read(tmp___9) VAL [__key___10={28:0}, __key___11={29:0}, __key___9={27:0}, __this_module={18446744073709551668:18446744073709551620}, catc_driver={31:0}, catc_id_table={30:0}, catc_netdev_ops={26:0}, driver_name={24:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_s_catc_driver_usb_driver=1, ldv_s_catc_netdev_ops_net_device_ops=0, ldv_urb_state=4, ops={25:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0, tmp___7=0, tmp___8=7, tmp___9=1, var_catc_probe_17_p1={18446744073709551682:18446744073709551655}, var_group5={18446744073709551633:57}] [L6807] tmp___8 = __VERIFIER_nondet_int() [L6809] COND FALSE !(tmp___8 == 0) VAL [__key___10={28:0}, __key___11={29:0}, __key___9={27:0}, __this_module={18446744073709551668:18446744073709551620}, catc_driver={31:0}, catc_id_table={30:0}, catc_netdev_ops={26:0}, driver_name={24:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_s_catc_driver_usb_driver=1, ldv_s_catc_netdev_ops_net_device_ops=0, ldv_urb_state=4, ops={25:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0, tmp___7=0, tmp___8=2, tmp___9=1, var_catc_probe_17_p1={18446744073709551682:18446744073709551655}, var_group5={18446744073709551633:57}] [L6812] COND FALSE !(tmp___8 == 1) VAL [__key___10={28:0}, __key___11={29:0}, __key___9={27:0}, __this_module={18446744073709551668:18446744073709551620}, catc_driver={31:0}, catc_id_table={30:0}, catc_netdev_ops={26:0}, driver_name={24:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_s_catc_driver_usb_driver=1, ldv_s_catc_netdev_ops_net_device_ops=0, ldv_urb_state=4, ops={25:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0, tmp___7=0, tmp___8=2, tmp___9=1, var_catc_probe_17_p1={18446744073709551682:18446744073709551655}, var_group5={18446744073709551633:57}] [L6815] COND TRUE tmp___8 == 2 VAL [__key___10={28:0}, __key___11={29:0}, __key___9={27:0}, __this_module={18446744073709551668:18446744073709551620}, catc_driver={31:0}, catc_id_table={30:0}, catc_netdev_ops={26:0}, driver_name={24:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_s_catc_driver_usb_driver=1, ldv_s_catc_netdev_ops_net_device_ops=0, ldv_urb_state=4, ops={25:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0, tmp___7=0, tmp___8=2, tmp___9=1, var_catc_probe_17_p1={18446744073709551682:18446744073709551655}, var_group5={18446744073709551633:57}] [L6852] COND TRUE ldv_s_catc_netdev_ops_net_device_ops == 0 [L6854] CALL, EXPR catc_open(var_group1) [L6178] struct catc *catc ; [L6179] void *tmp___7 ; [L6180] int status ; VAL [__key___10={28:0}, __key___11={29:0}, __key___9={27:0}, __this_module={18446744073709551668:18446744073709551620}, catc_driver={31:0}, catc_id_table={30:0}, catc_netdev_ops={26:0}, driver_name={24:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=4, netdev={18446744073709551618:90}, netdev={18446744073709551618:90}, ops={25:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0] [L6183] CALL, EXPR netdev_priv((struct net_device const *)netdev) VAL [__key___10={28:0}, __key___11={29:0}, __key___9={27:0}, __this_module={18446744073709551668:18446744073709551620}, catc_driver={31:0}, catc_id_table={30:0}, catc_netdev_ops={26:0}, dev={18446744073709551618:90}, driver_name={24:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=4, ops={25:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0] [L4928] return ((void *)((char *)dev + ((sizeof(struct net_device ) + 31UL) & 0x0fffffffffffffe0UL))); VAL [\result={18446744073709551618:101}, __key___10={28:0}, __key___11={29:0}, __key___9={27:0}, __this_module={18446744073709551668:18446744073709551620}, catc_driver={31:0}, catc_id_table={30:0}, catc_netdev_ops={26:0}, dev={18446744073709551618:90}, dev={18446744073709551618:90}, driver_name={24:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=4, ops={25:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0] [L6183] RET, EXPR netdev_priv((struct net_device const *)netdev) VAL [__key___10={28:0}, __key___11={29:0}, __key___9={27:0}, __this_module={18446744073709551668:18446744073709551620}, catc_driver={31:0}, catc_id_table={30:0}, catc_netdev_ops={26:0}, driver_name={24:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=4, netdev={18446744073709551618:90}, netdev={18446744073709551618:90}, netdev_priv((struct net_device const *)netdev)={18446744073709551618:101}, ops={25:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0] [L6183] tmp___7 = netdev_priv((struct net_device const *)netdev) [L6184] catc = (struct catc *)tmp___7 [L6185] EXPR catc->irq_urb [L6185] EXPR catc->usbdev [L6185] (catc->irq_urb)->dev = catc->usbdev [L6186] EXPR catc->irq_urb VAL [__key___10={28:0}, __key___11={29:0}, __key___9={27:0}, __this_module={18446744073709551668:18446744073709551620}, catc={18446744073709551618:101}, catc->irq_urb={18446744073709551678:18446744073709551664}, catc_driver={31:0}, catc_id_table={30:0}, catc_netdev_ops={26:0}, driver_name={24:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=4, netdev={18446744073709551618:90}, netdev={18446744073709551618:90}, ops={25:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0, tmp___7={18446744073709551618:101}] [L6186] CALL, EXPR usb_submit_urb(catc->irq_urb, 208U) VAL [\old(arg1)=208, __key___10={28:0}, __key___11={29:0}, __key___9={27:0}, __this_module={18446744073709551668:18446744073709551620}, arg0={18446744073709551678:18446744073709551664}, catc_driver={31:0}, catc_id_table={30:0}, catc_netdev_ops={26:0}, driver_name={24:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=4, ops={25:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0] [L7217] return __VERIFIER_nondet_int(); [L6186] RET, EXPR usb_submit_urb(catc->irq_urb, 208U) VAL [__key___10={28:0}, __key___11={29:0}, __key___9={27:0}, __this_module={18446744073709551668:18446744073709551620}, catc={18446744073709551618:101}, catc->irq_urb={18446744073709551678:18446744073709551664}, catc_driver={31:0}, catc_id_table={30:0}, catc_netdev_ops={26:0}, driver_name={24:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=4, netdev={18446744073709551618:90}, netdev={18446744073709551618:90}, ops={25:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0, tmp___7={18446744073709551618:101}, usb_submit_urb(catc->irq_urb, 208U)=-1] [L6186] status = usb_submit_urb(catc->irq_urb, 208U) [L6188] COND TRUE status < 0 [L6192] return (-1); VAL [\result=-1, __key___10={28:0}, __key___11={29:0}, __key___9={27:0}, __this_module={18446744073709551668:18446744073709551620}, catc={18446744073709551618:101}, catc_driver={31:0}, catc_id_table={30:0}, catc_netdev_ops={26:0}, driver_name={24:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=4, netdev={18446744073709551618:90}, netdev={18446744073709551618:90}, ops={25:0}, res_catc_open_15=0, res_catc_probe_17=0, res_catc_stop_16=0, status=-1, tmp___7={18446744073709551618:101}] [L6854] RET, EXPR catc_open(var_group1) [L6854] res_catc_open_15 = catc_open(var_group1) [L6855] FCALL ldv_check_return_value(res_catc_open_15) VAL [__key___10={28:0}, __key___11={29:0}, __key___9={27:0}, __this_module={18446744073709551668:18446744073709551620}, catc_driver={31:0}, catc_id_table={30:0}, catc_netdev_ops={26:0}, driver_name={24:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_s_catc_driver_usb_driver=1, ldv_s_catc_netdev_ops_net_device_ops=0, ldv_urb_state=4, ops={25:0}, res_catc_open_15=-1, res_catc_probe_17=0, res_catc_stop_16=0, tmp___7=0, tmp___8=2, tmp___9=1, var_catc_probe_17_p1={18446744073709551682:18446744073709551655}, var_group1={18446744073709551618:90}, var_group5={18446744073709551633:57}] [L6857] COND TRUE res_catc_open_15 < 0 VAL [__key___10={28:0}, __key___11={29:0}, __key___9={27:0}, __this_module={18446744073709551668:18446744073709551620}, catc_driver={31:0}, catc_id_table={30:0}, catc_netdev_ops={26:0}, driver_name={24:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_s_catc_driver_usb_driver=1, ldv_s_catc_netdev_ops_net_device_ops=0, ldv_urb_state=4, ops={25:0}, res_catc_open_15=-1, res_catc_probe_17=0, res_catc_stop_16=0, tmp___7=0, tmp___8=2, tmp___9=1, var_catc_probe_17_p1={18446744073709551682:18446744073709551655}, var_group1={18446744073709551618:90}, var_group5={18446744073709551633:57}] [L6934] CALL catc_exit() VAL [__key___10={28:0}, __key___11={29:0}, __key___9={27:0}, __this_module={18446744073709551668:18446744073709551620}, catc_driver={31:0}, catc_id_table={30:0}, catc_netdev_ops={26:0}, driver_name={24:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=4, ops={25:0}, res_catc_open_15=-1, res_catc_probe_17=0, res_catc_stop_16=0] [L6736] FCALL usb_deregister(& catc_driver) [L6934] RET catc_exit() VAL [__key___10={28:0}, __key___11={29:0}, __key___9={27:0}, __this_module={18446744073709551668:18446744073709551620}, catc_driver={31:0}, catc_id_table={30:0}, catc_netdev_ops={26:0}, driver_name={24:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_s_catc_driver_usb_driver=1, ldv_s_catc_netdev_ops_net_device_ops=0, ldv_urb_state=4, ops={25:0}, res_catc_open_15=-1, res_catc_probe_17=0, res_catc_stop_16=0, tmp___7=0, tmp___8=2, tmp___9=1, var_catc_probe_17_p1={18446744073709551682:18446744073709551655}, var_group1={18446744073709551618:90}, var_group5={18446744073709551633:57}] [L6938] CALL ldv_check_final_state() [L7081] COND FALSE !(ldv_urb_state == 0) VAL [__key___10={28:0}, __key___11={29:0}, __key___9={27:0}, __this_module={18446744073709551668:18446744073709551620}, catc_driver={31:0}, catc_id_table={30:0}, catc_netdev_ops={26:0}, driver_name={24:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=4, ops={25:0}, res_catc_open_15=-1, res_catc_probe_17=0, res_catc_stop_16=0] [L7084] CALL ldv_blast_assert() VAL [__key___10={28:0}, __key___11={29:0}, __key___9={27:0}, __this_module={18446744073709551668:18446744073709551620}, catc_driver={31:0}, catc_id_table={30:0}, catc_netdev_ops={26:0}, driver_name={24:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=4, ops={25:0}, res_catc_open_15=-1, res_catc_probe_17=0, res_catc_stop_16=0] [L6946] reach_error() VAL [__key___10={28:0}, __key___11={29:0}, __key___9={27:0}, __this_module={18446744073709551668:18446744073709551620}, catc_driver={31:0}, catc_id_table={30:0}, catc_netdev_ops={26:0}, driver_name={24:0}, ldv_coherent_state=0, LDV_IN_INTERRUPT=1, ldv_urb_state=4, ops={25:0}, res_catc_open_15=-1, res_catc_probe_17=0, res_catc_stop_16=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 37 procedures, 547 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 194.5s, OverallIterations: 24, TraceHistogramMax: 7, PathProgramHistogramMax: 3, EmptinessCheckTime: 0.1s, AutomataDifference: 109.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 15707 SdHoareTripleChecker+Valid, 96.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 14881 mSDsluCounter, 85059 SdHoareTripleChecker+Invalid, 89.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 7553 IncrementalHoareTripleChecker+Unchecked, 70021 mSDsCounter, 5921 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 42647 IncrementalHoareTripleChecker+Invalid, 56121 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 5921 mSolverCounterUnsat, 15038 mSDtfsCounter, 42647 mSolverCounterSat, 0.7s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 6855 GetRequests, 6384 SyntacticMatches, 48 SemanticMatches, 423 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3745 ImplicationChecksByTransitivity, 15.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3411occurred in iteration=11, InterpolantAutomatonStates: 281, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 3.1s AutomataMinimizationTime, 23 MinimizatonAttempts, 583 StatesRemovedByMinimization, 18 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 1.8s SsaConstructionTime, 18.9s SatisfiabilityAnalysisTime, 42.8s InterpolantComputationTime, 7844 NumberOfCodeBlocks, 7784 NumberOfCodeBlocksAsserted, 46 NumberOfCheckSat, 9471 ConstructedInterpolants, 214 QuantifiedInterpolants, 31576 SizeOfPredicates, 117 NumberOfNonLiveVariables, 41611 ConjunctsInSsa, 598 ConjunctsInUnsatCore, 51 InterpolantComputations, 16 PerfectInterpolantSequences, 6974/7362 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-11-20 10:50:38,478 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b89921c5-e1b1-4abe-b4b2-d623edf2eebe/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b89921c5-e1b1-4abe-b4b2-d623edf2eebe/bin/uautomizer-ug76WZFUDN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b89921c5-e1b1-4abe-b4b2-d623edf2eebe/bin/uautomizer-ug76WZFUDN/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b89921c5-e1b1-4abe-b4b2-d623edf2eebe/bin/uautomizer-ug76WZFUDN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b89921c5-e1b1-4abe-b4b2-d623edf2eebe/bin/uautomizer-ug76WZFUDN/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.0/usb_urb-drivers-net-usb-catc.ko.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b89921c5-e1b1-4abe-b4b2-d623edf2eebe/bin/uautomizer-ug76WZFUDN/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b89921c5-e1b1-4abe-b4b2-d623edf2eebe/bin/uautomizer-ug76WZFUDN --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 70a2ace6fc40caa55e586c636402c0a5dfab1c8b77b7cf0fdf6a2120173a773c --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-6b4ec56 [2022-11-20 10:50:40,997 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 10:50:41,000 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 10:50:41,052 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 10:50:41,052 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 10:50:41,056 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 10:50:41,059 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 10:50:41,063 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 10:50:41,066 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 10:50:41,072 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 10:50:41,073 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 10:50:41,076 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 10:50:41,076 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 10:50:41,079 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 10:50:41,080 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 10:50:41,085 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 10:50:41,089 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 10:50:41,090 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 10:50:41,091 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 10:50:41,093 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 10:50:41,095 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 10:50:41,098 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 10:50:41,099 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 10:50:41,100 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 10:50:41,110 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 10:50:41,114 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 10:50:41,115 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 10:50:41,116 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 10:50:41,117 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 10:50:41,119 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 10:50:41,119 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 10:50:41,120 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 10:50:41,122 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 10:50:41,125 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 10:50:41,126 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 10:50:41,127 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 10:50:41,128 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 10:50:41,128 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 10:50:41,129 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 10:50:41,129 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 10:50:41,130 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 10:50:41,135 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b89921c5-e1b1-4abe-b4b2-d623edf2eebe/bin/uautomizer-ug76WZFUDN/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-11-20 10:50:41,167 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 10:50:41,168 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 10:50:41,169 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 10:50:41,170 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 10:50:41,171 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 10:50:41,171 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 10:50:41,172 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 10:50:41,172 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 10:50:41,172 INFO L138 SettingsManager]: * Use SBE=true [2022-11-20 10:50:41,172 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 10:50:41,173 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 10:50:41,174 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 10:50:41,174 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 10:50:41,174 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 10:50:41,174 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-20 10:50:41,175 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-20 10:50:41,175 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-20 10:50:41,175 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 10:50:41,175 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 10:50:41,175 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 10:50:41,176 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 10:50:41,176 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-20 10:50:41,176 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 10:50:41,176 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 10:50:41,177 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 10:50:41,177 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 10:50:41,177 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 10:50:41,177 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-11-20 10:50:41,177 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-20 10:50:41,178 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-20 10:50:41,178 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-20 10:50:41,178 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 10:50:41,179 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-20 10:50:41,179 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b89921c5-e1b1-4abe-b4b2-d623edf2eebe/bin/uautomizer-ug76WZFUDN/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b89921c5-e1b1-4abe-b4b2-d623edf2eebe/bin/uautomizer-ug76WZFUDN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 70a2ace6fc40caa55e586c636402c0a5dfab1c8b77b7cf0fdf6a2120173a773c [2022-11-20 10:50:41,567 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 10:50:41,591 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 10:50:41,593 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 10:50:41,595 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 10:50:41,596 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 10:50:41,597 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b89921c5-e1b1-4abe-b4b2-d623edf2eebe/bin/uautomizer-ug76WZFUDN/../../sv-benchmarks/c/ldv-linux-3.0/usb_urb-drivers-net-usb-catc.ko.cil.out.i [2022-11-20 10:50:44,648 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 10:50:45,201 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 10:50:45,204 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b89921c5-e1b1-4abe-b4b2-d623edf2eebe/sv-benchmarks/c/ldv-linux-3.0/usb_urb-drivers-net-usb-catc.ko.cil.out.i [2022-11-20 10:50:45,253 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b89921c5-e1b1-4abe-b4b2-d623edf2eebe/bin/uautomizer-ug76WZFUDN/data/e4d98e00c/fd011e84475644408d31c6721b346c75/FLAG742fb8628 [2022-11-20 10:50:45,275 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b89921c5-e1b1-4abe-b4b2-d623edf2eebe/bin/uautomizer-ug76WZFUDN/data/e4d98e00c/fd011e84475644408d31c6721b346c75 [2022-11-20 10:50:45,280 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 10:50:45,281 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 10:50:45,287 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 10:50:45,287 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 10:50:45,291 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 10:50:45,292 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:50:45" (1/1) ... [2022-11-20 10:50:45,293 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5ef21780 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:50:45, skipping insertion in model container [2022-11-20 10:50:45,293 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:50:45" (1/1) ... [2022-11-20 10:50:45,301 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 10:50:45,429 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 10:50:46,352 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: de.uni_freiburg.informatik.ultimate.boogie.typechecker.TypeCheckException: Type check failed for C: snprintf(buf, size, "usb-%s-%s", (dev->bus)->bus_name, dev->devpath) [5076] at de.uni_freiburg.informatik.ultimate.boogie.TypeErrorReporter.report(TypeErrorReporter.java:52) at de.uni_freiburg.informatik.ultimate.boogie.typechecker.TypeCheckHelper.typeCheckBinaryExpression(TypeCheckHelper.java:207) at de.uni_freiburg.informatik.ultimate.boogie.ExpressionFactory.constructBinaryExpression(ExpressionFactory.java:617) at de.uni_freiburg.informatik.ultimate.boogie.ExpressionFactory.newBinaryExpression(ExpressionFactory.java:132) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.handleSnPrintF(StandardFunctionHandler.java:959) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.lambda$21(StandardFunctionHandler.java:305) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.translateStandardFunction(StandardFunctionHandler.java:242) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1463) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:267) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:728) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:282) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1413) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:220) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1087) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:232) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1087) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:232) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1087) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:232) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionDefinition(FunctionHandler.java:371) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1489) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:155) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.processTUchild(CHandler.java:3314) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2388) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:600) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:134) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:192) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:115) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:93) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-11-20 10:50:46,360 INFO L158 Benchmark]: Toolchain (without parser) took 1076.93ms. Allocated memory is still 79.7MB. Free memory was 51.7MB in the beginning and 39.8MB in the end (delta: 11.9MB). Peak memory consumption was 21.3MB. Max. memory is 16.1GB. [2022-11-20 10:50:46,361 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 60.8MB. Free memory is still 39.0MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 10:50:46,362 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1070.94ms. Allocated memory is still 79.7MB. Free memory was 51.7MB in the beginning and 39.8MB in the end (delta: 11.9MB). Peak memory consumption was 21.3MB. Max. memory is 16.1GB. [2022-11-20 10:50:46,363 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 60.8MB. Free memory is still 39.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1070.94ms. Allocated memory is still 79.7MB. Free memory was 51.7MB in the beginning and 39.8MB in the end (delta: 11.9MB). Peak memory consumption was 21.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: TypeCheckException: Type check failed for C: snprintf(buf, size, "usb-%s-%s", (dev->bus)->bus_name, dev->devpath) [5076] de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: TypeCheckException: Type check failed for C: snprintf(buf, size, "usb-%s-%s", (dev->bus)->bus_name, dev->devpath) [5076]: de.uni_freiburg.informatik.ultimate.boogie.TypeErrorReporter.report(TypeErrorReporter.java:52) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: TypeCheckException: Type check failed for C: snprintf(buf, size, "usb-%s-%s", (dev->bus)->bus_name, dev->devpath) [5076]