./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-sound--pci--cs46xx--snd-cs46xx.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e04fb08f Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9de1b8f-32e3-4c52-963d-9b84c75b5d5e/bin/uautomizer-tPACEb0tL8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9de1b8f-32e3-4c52-963d-9b84c75b5d5e/bin/uautomizer-tPACEb0tL8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9de1b8f-32e3-4c52-963d-9b84c75b5d5e/bin/uautomizer-tPACEb0tL8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9de1b8f-32e3-4c52-963d-9b84c75b5d5e/bin/uautomizer-tPACEb0tL8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-sound--pci--cs46xx--snd-cs46xx.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9de1b8f-32e3-4c52-963d-9b84c75b5d5e/bin/uautomizer-tPACEb0tL8/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9de1b8f-32e3-4c52-963d-9b84c75b5d5e/bin/uautomizer-tPACEb0tL8 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 718a95fd2d27cb38002861c3cfa5a256ea936153fc96f7220d4978ac34f5d164 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-e04fb08 [2022-11-16 11:04:41,266 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 11:04:41,269 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 11:04:41,298 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 11:04:41,299 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 11:04:41,301 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 11:04:41,303 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 11:04:41,304 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 11:04:41,306 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 11:04:41,308 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 11:04:41,310 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 11:04:41,312 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 11:04:41,314 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 11:04:41,317 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 11:04:41,319 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 11:04:41,321 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 11:04:41,323 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 11:04:41,328 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 11:04:41,330 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 11:04:41,332 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 11:04:41,338 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 11:04:41,339 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 11:04:41,340 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 11:04:41,343 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 11:04:41,348 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 11:04:41,353 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 11:04:41,353 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 11:04:41,354 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 11:04:41,356 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 11:04:41,357 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 11:04:41,358 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 11:04:41,359 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 11:04:41,360 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 11:04:41,362 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 11:04:41,364 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 11:04:41,365 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 11:04:41,366 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 11:04:41,366 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 11:04:41,367 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 11:04:41,367 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 11:04:41,368 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 11:04:41,369 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9de1b8f-32e3-4c52-963d-9b84c75b5d5e/bin/uautomizer-tPACEb0tL8/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-11-16 11:04:41,407 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 11:04:41,407 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 11:04:41,408 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 11:04:41,408 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 11:04:41,409 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-16 11:04:41,409 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-16 11:04:41,410 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-16 11:04:41,410 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-16 11:04:41,411 INFO L138 SettingsManager]: * Use SBE=true [2022-11-16 11:04:41,411 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 11:04:41,412 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-16 11:04:41,412 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 11:04:41,412 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-16 11:04:41,413 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-16 11:04:41,413 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-16 11:04:41,413 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 11:04:41,413 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 11:04:41,413 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-16 11:04:41,414 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 11:04:41,414 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-16 11:04:41,414 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-16 11:04:41,414 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 11:04:41,415 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 11:04:41,415 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-16 11:04:41,415 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-16 11:04:41,415 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-16 11:04:41,417 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-16 11:04:41,417 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-16 11:04:41,417 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-16 11:04:41,418 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-16 11:04:41,418 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_f9de1b8f-32e3-4c52-963d-9b84c75b5d5e/bin/uautomizer-tPACEb0tL8/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9de1b8f-32e3-4c52-963d-9b84c75b5d5e/bin/uautomizer-tPACEb0tL8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 718a95fd2d27cb38002861c3cfa5a256ea936153fc96f7220d4978ac34f5d164 [2022-11-16 11:04:41,726 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 11:04:41,753 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 11:04:41,757 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 11:04:41,759 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 11:04:41,759 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 11:04:41,761 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9de1b8f-32e3-4c52-963d-9b84c75b5d5e/bin/uautomizer-tPACEb0tL8/../../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-sound--pci--cs46xx--snd-cs46xx.ko-entry_point.cil.out.i [2022-11-16 11:04:41,825 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9de1b8f-32e3-4c52-963d-9b84c75b5d5e/bin/uautomizer-tPACEb0tL8/data/51c8c28d7/2de0380dc1b545cc80d4d59fa719868c/FLAG12949a7b1 [2022-11-16 11:04:42,981 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 11:04:42,982 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9de1b8f-32e3-4c52-963d-9b84c75b5d5e/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-sound--pci--cs46xx--snd-cs46xx.ko-entry_point.cil.out.i [2022-11-16 11:04:43,075 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9de1b8f-32e3-4c52-963d-9b84c75b5d5e/bin/uautomizer-tPACEb0tL8/data/51c8c28d7/2de0380dc1b545cc80d4d59fa719868c/FLAG12949a7b1 [2022-11-16 11:04:43,212 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9de1b8f-32e3-4c52-963d-9b84c75b5d5e/bin/uautomizer-tPACEb0tL8/data/51c8c28d7/2de0380dc1b545cc80d4d59fa719868c [2022-11-16 11:04:43,215 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 11:04:43,218 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 11:04:43,223 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 11:04:43,223 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 11:04:43,228 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 11:04:43,229 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:04:43" (1/1) ... [2022-11-16 11:04:43,230 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@aeec3b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:04:43, skipping insertion in model container [2022-11-16 11:04:43,230 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:04:43" (1/1) ... [2022-11-16 11:04:43,237 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 11:04:43,498 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 11:04:44,085 WARN L1255 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [4843] [2022-11-16 11:04:44,085 WARN L1255 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [4844-4845] [2022-11-16 11:04:44,220 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9de1b8f-32e3-4c52-963d-9b84c75b5d5e/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-sound--pci--cs46xx--snd-cs46xx.ko-entry_point.cil.out.i[139081,139094] [2022-11-16 11:04:47,768 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 11:04:47,824 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 11:04:47,916 WARN L1255 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [4843] [2022-11-16 11:04:47,916 WARN L1255 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [4844-4845] [2022-11-16 11:04:47,919 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9de1b8f-32e3-4c52-963d-9b84c75b5d5e/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-sound--pci--cs46xx--snd-cs46xx.ko-entry_point.cil.out.i[139081,139094] [2022-11-16 11:04:48,773 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 11:04:49,124 INFO L208 MainTranslator]: Completed translation [2022-11-16 11:04:49,124 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:04:49 WrapperNode [2022-11-16 11:04:49,124 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 11:04:49,125 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 11:04:49,126 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 11:04:49,126 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 11:04:49,133 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:04:49" (1/1) ... [2022-11-16 11:04:49,357 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:04:49" (1/1) ... [2022-11-16 11:04:49,697 INFO L138 Inliner]: procedures = 453, calls = 6911, calls flagged for inlining = 212, calls inlined = 198, statements flattened = 13103 [2022-11-16 11:04:49,698 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 11:04:49,699 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 11:04:49,699 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 11:04:49,699 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 11:04:49,710 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:04:49" (1/1) ... [2022-11-16 11:04:49,710 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:04:49" (1/1) ... [2022-11-16 11:04:49,815 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:04:49" (1/1) ... [2022-11-16 11:04:49,816 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:04:49" (1/1) ... [2022-11-16 11:04:50,247 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:04:49" (1/1) ... [2022-11-16 11:04:50,282 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:04:49" (1/1) ... [2022-11-16 11:04:50,879 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:04:49" (1/1) ... [2022-11-16 11:04:50,949 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:04:49" (1/1) ... [2022-11-16 11:04:51,051 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 11:04:51,054 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 11:04:51,054 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 11:04:51,055 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 11:04:51,056 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:04:49" (1/1) ... [2022-11-16 11:04:51,064 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 11:04:51,076 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9de1b8f-32e3-4c52-963d-9b84c75b5d5e/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:04:51,089 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9de1b8f-32e3-4c52-963d-9b84c75b5d5e/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-16 11:04:51,118 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9de1b8f-32e3-4c52-963d-9b84c75b5d5e/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-16 11:04:51,134 INFO L130 BoogieDeclarations]: Found specification of procedure cs46xx_poke_via_dsp [2022-11-16 11:04:51,134 INFO L138 BoogieDeclarations]: Found implementation of procedure cs46xx_poke_via_dsp [2022-11-16 11:04:51,135 INFO L130 BoogieDeclarations]: Found specification of procedure snd_ac97_read [2022-11-16 11:04:51,135 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_ac97_read [2022-11-16 11:04:51,135 INFO L130 BoogieDeclarations]: Found specification of procedure snd_cs46xx_playback_open_clfe [2022-11-16 11:04:51,135 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_cs46xx_playback_open_clfe [2022-11-16 11:04:51,135 INFO L130 BoogieDeclarations]: Found specification of procedure cs46xx_dsp_create_src_task_scb [2022-11-16 11:04:51,135 INFO L138 BoogieDeclarations]: Found implementation of procedure cs46xx_dsp_create_src_task_scb [2022-11-16 11:04:51,136 INFO L130 BoogieDeclarations]: Found specification of procedure snd_cs46xx_capture_hw_free [2022-11-16 11:04:51,136 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_cs46xx_capture_hw_free [2022-11-16 11:04:51,136 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2022-11-16 11:04:51,136 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2022-11-16 11:04:51,136 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-16 11:04:51,136 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-16 11:04:51,137 INFO L130 BoogieDeclarations]: Found specification of procedure snd_pcm_hw_constraint_list [2022-11-16 11:04:51,137 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_pcm_hw_constraint_list [2022-11-16 11:04:51,137 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_word [2022-11-16 11:04:51,137 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_word [2022-11-16 11:04:51,137 INFO L130 BoogieDeclarations]: Found specification of procedure cs46xx_dsp_scb_set_volume [2022-11-16 11:04:51,137 INFO L138 BoogieDeclarations]: Found implementation of procedure cs46xx_dsp_scb_set_volume [2022-11-16 11:04:51,138 INFO L130 BoogieDeclarations]: Found specification of procedure snd_cs46xx_pokeBA0 [2022-11-16 11:04:51,138 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_cs46xx_pokeBA0 [2022-11-16 11:04:51,138 INFO L130 BoogieDeclarations]: Found specification of procedure snd_cs46xx_playback_close_iec958 [2022-11-16 11:04:51,138 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_cs46xx_playback_close_iec958 [2022-11-16 11:04:51,138 INFO L130 BoogieDeclarations]: Found specification of procedure snd_cs46xx_capture_close [2022-11-16 11:04:51,138 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_cs46xx_capture_close [2022-11-16 11:04:51,139 INFO L130 BoogieDeclarations]: Found specification of procedure snd_pcm_set_ops [2022-11-16 11:04:51,139 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_pcm_set_ops [2022-11-16 11:04:51,139 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~VOID [2022-11-16 11:04:51,139 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~VOID [2022-11-16 11:04:51,139 INFO L130 BoogieDeclarations]: Found specification of procedure dsp_load_parameter [2022-11-16 11:04:51,139 INFO L138 BoogieDeclarations]: Found implementation of procedure dsp_load_parameter [2022-11-16 11:04:51,139 INFO L130 BoogieDeclarations]: Found specification of procedure find_next_free_scb [2022-11-16 11:04:51,140 INFO L138 BoogieDeclarations]: Found implementation of procedure find_next_free_scb [2022-11-16 11:04:51,140 INFO L130 BoogieDeclarations]: Found specification of procedure snd_info_create_card_entry [2022-11-16 11:04:51,140 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_info_create_card_entry [2022-11-16 11:04:51,140 INFO L130 BoogieDeclarations]: Found specification of procedure snd_cs46xx_free [2022-11-16 11:04:51,140 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_cs46xx_free [2022-11-16 11:04:51,140 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-11-16 11:04:51,141 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-11-16 11:04:51,141 INFO L130 BoogieDeclarations]: Found specification of procedure snd_cs46xx_playback_hw_params [2022-11-16 11:04:51,141 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_cs46xx_playback_hw_params [2022-11-16 11:04:51,141 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-16 11:04:51,141 INFO L130 BoogieDeclarations]: Found specification of procedure snd_ac97_write [2022-11-16 11:04:51,141 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_ac97_write [2022-11-16 11:04:51,142 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-11-16 11:04:51,142 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-11-16 11:04:51,142 INFO L130 BoogieDeclarations]: Found specification of procedure cs46xx_dsp_create_generic_scb [2022-11-16 11:04:51,142 INFO L138 BoogieDeclarations]: Found implementation of procedure cs46xx_dsp_create_generic_scb [2022-11-16 11:04:51,142 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-11-16 11:04:51,142 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-11-16 11:04:51,143 INFO L130 BoogieDeclarations]: Found specification of procedure cs46xx_dsp_proc_free_scb_desc [2022-11-16 11:04:51,143 INFO L138 BoogieDeclarations]: Found implementation of procedure cs46xx_dsp_proc_free_scb_desc [2022-11-16 11:04:51,143 INFO L130 BoogieDeclarations]: Found specification of procedure params_period_bytes [2022-11-16 11:04:51,143 INFO L138 BoogieDeclarations]: Found implementation of procedure params_period_bytes [2022-11-16 11:04:51,143 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-16 11:04:51,143 INFO L130 BoogieDeclarations]: Found specification of procedure cs46xx_dsp_proc_register_scb_desc [2022-11-16 11:04:51,144 INFO L138 BoogieDeclarations]: Found implementation of procedure cs46xx_dsp_proc_register_scb_desc [2022-11-16 11:04:51,144 INFO L130 BoogieDeclarations]: Found specification of procedure cs46xx_dsp_create_mix_only_scb [2022-11-16 11:04:51,144 INFO L138 BoogieDeclarations]: Found implementation of procedure cs46xx_dsp_create_mix_only_scb [2022-11-16 11:04:51,144 INFO L130 BoogieDeclarations]: Found specification of procedure snd_cs46xx_playback_transfer [2022-11-16 11:04:51,144 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_cs46xx_playback_transfer [2022-11-16 11:04:51,144 INFO L130 BoogieDeclarations]: Found specification of procedure snd_cs46xx_clear_BA1 [2022-11-16 11:04:51,145 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_cs46xx_clear_BA1 [2022-11-16 11:04:51,145 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2022-11-16 11:04:51,145 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2022-11-16 11:04:51,145 INFO L130 BoogieDeclarations]: Found specification of procedure snd_ctl_add [2022-11-16 11:04:51,145 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_ctl_add [2022-11-16 11:04:51,145 INFO L130 BoogieDeclarations]: Found specification of procedure snd_dma_free_pages [2022-11-16 11:04:51,145 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_dma_free_pages [2022-11-16 11:04:51,146 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-16 11:04:51,146 INFO L130 BoogieDeclarations]: Found specification of procedure snd_cs46xx_capture_indirect_pointer [2022-11-16 11:04:51,146 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_cs46xx_capture_indirect_pointer [2022-11-16 11:04:51,146 INFO L130 BoogieDeclarations]: Found specification of procedure snd_cs46xx_set_play_sample_rate [2022-11-16 11:04:51,146 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_cs46xx_set_play_sample_rate [2022-11-16 11:04:51,146 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-16 11:04:51,147 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-16 11:04:51,147 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-16 11:04:51,147 INFO L130 BoogieDeclarations]: Found specification of procedure snd_cs46xx_proc_start [2022-11-16 11:04:51,147 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_cs46xx_proc_start [2022-11-16 11:04:51,147 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-11-16 11:04:51,147 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-11-16 11:04:51,148 INFO L130 BoogieDeclarations]: Found specification of procedure snd_pcm_lib_preallocate_pages_for_all [2022-11-16 11:04:51,148 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_pcm_lib_preallocate_pages_for_all [2022-11-16 11:04:51,148 INFO L130 BoogieDeclarations]: Found specification of procedure snd_cs46xx_playback_indirect_pointer [2022-11-16 11:04:51,148 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_cs46xx_playback_indirect_pointer [2022-11-16 11:04:51,148 INFO L130 BoogieDeclarations]: Found specification of procedure cs46xx_dsp_enable_spdif_out [2022-11-16 11:04:51,148 INFO L138 BoogieDeclarations]: Found implementation of procedure cs46xx_dsp_enable_spdif_out [2022-11-16 11:04:51,148 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2022-11-16 11:04:51,149 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2022-11-16 11:04:51,149 INFO L130 BoogieDeclarations]: Found specification of procedure snd_cs46xx_codec_write [2022-11-16 11:04:51,149 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_cs46xx_codec_write [2022-11-16 11:04:51,149 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-11-16 11:04:51,149 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-11-16 11:04:51,149 INFO L130 BoogieDeclarations]: Found specification of procedure snd_cs46xx_capture_direct_pointer [2022-11-16 11:04:51,150 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_cs46xx_capture_direct_pointer [2022-11-16 11:04:51,150 INFO L130 BoogieDeclarations]: Found specification of procedure snd_info_free_entry [2022-11-16 11:04:51,150 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_info_free_entry [2022-11-16 11:04:51,150 INFO L130 BoogieDeclarations]: Found specification of procedure snd_card_cs46xx_remove [2022-11-16 11:04:51,150 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_card_cs46xx_remove [2022-11-16 11:04:51,150 INFO L130 BoogieDeclarations]: Found specification of procedure cs46xx_dsp_pcm_link [2022-11-16 11:04:51,150 INFO L138 BoogieDeclarations]: Found implementation of procedure cs46xx_dsp_pcm_link [2022-11-16 11:04:51,151 INFO L130 BoogieDeclarations]: Found specification of procedure voyetra_setup_eapd_slot [2022-11-16 11:04:51,151 INFO L138 BoogieDeclarations]: Found implementation of procedure voyetra_setup_eapd_slot [2022-11-16 11:04:51,151 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-16 11:04:51,151 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-16 11:04:51,151 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-11-16 11:04:51,151 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-11-16 11:04:51,152 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-16 11:04:51,152 INFO L130 BoogieDeclarations]: Found specification of procedure snd_cs46xx_resume [2022-11-16 11:04:51,152 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_cs46xx_resume [2022-11-16 11:04:51,152 INFO L130 BoogieDeclarations]: Found specification of procedure _dsp_create_scb [2022-11-16 11:04:51,152 INFO L138 BoogieDeclarations]: Found implementation of procedure _dsp_create_scb [2022-11-16 11:04:51,152 INFO L130 BoogieDeclarations]: Found specification of procedure snd_cs46xx_playback_trigger [2022-11-16 11:04:51,153 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_cs46xx_playback_trigger [2022-11-16 11:04:51,153 INFO L130 BoogieDeclarations]: Found specification of procedure snd_cs46xx_capture_trigger [2022-11-16 11:04:51,153 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_cs46xx_capture_trigger [2022-11-16 11:04:51,153 INFO L130 BoogieDeclarations]: Found specification of procedure _cs46xx_playback_open_channel [2022-11-16 11:04:51,153 INFO L138 BoogieDeclarations]: Found implementation of procedure _cs46xx_playback_open_channel [2022-11-16 11:04:51,153 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-11-16 11:04:51,154 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-11-16 11:04:51,154 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2022-11-16 11:04:51,154 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2022-11-16 11:04:51,154 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-11-16 11:04:51,154 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-11-16 11:04:51,154 INFO L130 BoogieDeclarations]: Found specification of procedure snd_cs46xx_playback_prepare [2022-11-16 11:04:51,154 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_cs46xx_playback_prepare [2022-11-16 11:04:51,155 INFO L130 BoogieDeclarations]: Found specification of procedure cs46xx_dsp_create_pcm_serial_input_scb [2022-11-16 11:04:51,155 INFO L138 BoogieDeclarations]: Found implementation of procedure cs46xx_dsp_create_pcm_serial_input_scb [2022-11-16 11:04:51,155 INFO L130 BoogieDeclarations]: Found specification of procedure snd_power_change_state [2022-11-16 11:04:51,155 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_power_change_state [2022-11-16 11:04:51,155 INFO L130 BoogieDeclarations]: Found specification of procedure cs46xx_src_unlink [2022-11-16 11:04:51,155 INFO L138 BoogieDeclarations]: Found implementation of procedure cs46xx_src_unlink [2022-11-16 11:04:51,156 INFO L130 BoogieDeclarations]: Found specification of procedure clkrun_init [2022-11-16 11:04:51,156 INFO L138 BoogieDeclarations]: Found implementation of procedure clkrun_init [2022-11-16 11:04:51,156 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-11-16 11:04:51,156 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-11-16 11:04:51,156 INFO L130 BoogieDeclarations]: Found specification of procedure bytes_to_frames [2022-11-16 11:04:51,156 INFO L138 BoogieDeclarations]: Found implementation of procedure bytes_to_frames [2022-11-16 11:04:51,156 INFO L130 BoogieDeclarations]: Found specification of procedure snd_cs46xx_playback_open_iec958 [2022-11-16 11:04:51,157 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_cs46xx_playback_open_iec958 [2022-11-16 11:04:51,157 INFO L130 BoogieDeclarations]: Found specification of procedure snd_cs46xx_peek [2022-11-16 11:04:51,157 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_cs46xx_peek [2022-11-16 11:04:51,157 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2022-11-16 11:04:51,157 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2022-11-16 11:04:51,157 INFO L130 BoogieDeclarations]: Found specification of procedure add_symbol [2022-11-16 11:04:51,157 INFO L138 BoogieDeclarations]: Found implementation of procedure add_symbol [2022-11-16 11:04:51,158 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 11:04:51,158 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 11:04:51,158 INFO L130 BoogieDeclarations]: Found specification of procedure snd_cs46xx_midi_input_open [2022-11-16 11:04:51,158 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_cs46xx_midi_input_open [2022-11-16 11:04:51,158 INFO L130 BoogieDeclarations]: Found specification of procedure snd_cs46xx_hw_stop [2022-11-16 11:04:51,158 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_cs46xx_hw_stop [2022-11-16 11:04:51,158 INFO L130 BoogieDeclarations]: Found specification of procedure hw_param_interval_c [2022-11-16 11:04:51,159 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_param_interval_c [2022-11-16 11:04:51,159 INFO L130 BoogieDeclarations]: Found specification of procedure snd_cs46xx_set_capture_sample_rate [2022-11-16 11:04:51,159 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_cs46xx_set_capture_sample_rate [2022-11-16 11:04:51,159 INFO L130 BoogieDeclarations]: Found specification of procedure snd_rawmidi_transmit [2022-11-16 11:04:51,159 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_rawmidi_transmit [2022-11-16 11:04:51,159 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2022-11-16 11:04:51,159 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2022-11-16 11:04:51,160 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-11-16 11:04:51,160 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-11-16 11:04:51,160 INFO L130 BoogieDeclarations]: Found specification of procedure snd_pcm_lib_buffer_bytes [2022-11-16 11:04:51,160 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_pcm_lib_buffer_bytes [2022-11-16 11:04:51,160 INFO L130 BoogieDeclarations]: Found specification of procedure cs46xx_detect_codec [2022-11-16 11:04:51,160 INFO L138 BoogieDeclarations]: Found implementation of procedure cs46xx_detect_codec [2022-11-16 11:04:51,160 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-16 11:04:51,161 INFO L130 BoogieDeclarations]: Found specification of procedure snd_cs46xx_midi_reset [2022-11-16 11:04:51,161 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_cs46xx_midi_reset [2022-11-16 11:04:51,161 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-16 11:04:51,161 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-16 11:04:51,161 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-16 11:04:51,161 INFO L130 BoogieDeclarations]: Found specification of procedure snd_cs46xx_capture_open [2022-11-16 11:04:51,161 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_cs46xx_capture_open [2022-11-16 11:04:51,162 INFO L130 BoogieDeclarations]: Found specification of procedure cs46xx_dsp_create_codec_out_scb [2022-11-16 11:04:51,162 INFO L138 BoogieDeclarations]: Found implementation of procedure cs46xx_dsp_create_codec_out_scb [2022-11-16 11:04:51,162 INFO L130 BoogieDeclarations]: Found specification of procedure cs46xx_dsp_disable_spdif_out [2022-11-16 11:04:51,162 INFO L138 BoogieDeclarations]: Found implementation of procedure cs46xx_dsp_disable_spdif_out [2022-11-16 11:04:51,162 INFO L130 BoogieDeclarations]: Found specification of procedure _dsp_clear_sample_buffer [2022-11-16 11:04:51,162 INFO L138 BoogieDeclarations]: Found implementation of procedure _dsp_clear_sample_buffer [2022-11-16 11:04:51,162 INFO L130 BoogieDeclarations]: Found specification of procedure snd_pcm_lib_malloc_pages [2022-11-16 11:04:51,163 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_pcm_lib_malloc_pages [2022-11-16 11:04:51,163 INFO L130 BoogieDeclarations]: Found specification of procedure snd_cs46xx_playback_close [2022-11-16 11:04:51,163 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_cs46xx_playback_close [2022-11-16 11:04:51,163 INFO L130 BoogieDeclarations]: Found specification of procedure amp_voyetra [2022-11-16 11:04:51,163 INFO L138 BoogieDeclarations]: Found implementation of procedure amp_voyetra [2022-11-16 11:04:51,163 INFO L130 BoogieDeclarations]: Found specification of procedure get_segment_desc [2022-11-16 11:04:51,164 INFO L138 BoogieDeclarations]: Found implementation of procedure get_segment_desc [2022-11-16 11:04:51,164 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-11-16 11:04:51,164 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-11-16 11:04:51,164 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-11-16 11:04:51,164 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-11-16 11:04:51,164 INFO L130 BoogieDeclarations]: Found specification of procedure _dsp_create_task_tree [2022-11-16 11:04:51,164 INFO L138 BoogieDeclarations]: Found implementation of procedure _dsp_create_task_tree [2022-11-16 11:04:51,165 INFO L130 BoogieDeclarations]: Found specification of procedure snd_cs46xx_playback_hw_free [2022-11-16 11:04:51,165 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_cs46xx_playback_hw_free [2022-11-16 11:04:51,165 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-16 11:04:51,165 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-16 11:04:51,165 INFO L130 BoogieDeclarations]: Found specification of procedure kcalloc [2022-11-16 11:04:51,165 INFO L138 BoogieDeclarations]: Found implementation of procedure kcalloc [2022-11-16 11:04:51,165 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-16 11:04:51,166 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-16 11:04:51,166 INFO L130 BoogieDeclarations]: Found specification of procedure free_module_desc [2022-11-16 11:04:51,166 INFO L138 BoogieDeclarations]: Found implementation of procedure free_module_desc [2022-11-16 11:04:51,166 INFO L130 BoogieDeclarations]: Found specification of procedure snd_pcm_new [2022-11-16 11:04:51,166 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_pcm_new [2022-11-16 11:04:51,166 INFO L130 BoogieDeclarations]: Found specification of procedure _dsp_create_generic_scb [2022-11-16 11:04:51,166 INFO L138 BoogieDeclarations]: Found implementation of procedure _dsp_create_generic_scb [2022-11-16 11:04:51,167 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2022-11-16 11:04:51,167 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2022-11-16 11:04:51,167 INFO L130 BoogieDeclarations]: Found specification of procedure snd_cs46xx_suspend [2022-11-16 11:04:51,167 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_cs46xx_suspend [2022-11-16 11:04:51,167 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-16 11:04:51,167 INFO L130 BoogieDeclarations]: Found specification of procedure snd_dma_alloc_pages [2022-11-16 11:04:51,167 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_dma_alloc_pages [2022-11-16 11:04:51,168 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2022-11-16 11:04:51,168 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2022-11-16 11:04:51,168 INFO L130 BoogieDeclarations]: Found specification of procedure snd_cs46xx_capture_prepare [2022-11-16 11:04:51,168 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_cs46xx_capture_prepare [2022-11-16 11:04:51,168 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-16 11:04:51,168 INFO L130 BoogieDeclarations]: Found specification of procedure cs46xx_dsp_destroy_pcm_channel [2022-11-16 11:04:51,168 INFO L138 BoogieDeclarations]: Found implementation of procedure cs46xx_dsp_destroy_pcm_channel [2022-11-16 11:04:51,169 INFO L130 BoogieDeclarations]: Found specification of procedure snd_cs46xx_midi_input_trigger [2022-11-16 11:04:51,169 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_cs46xx_midi_input_trigger [2022-11-16 11:04:51,169 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2022-11-16 11:04:51,169 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2022-11-16 11:04:51,169 INFO L130 BoogieDeclarations]: Found specification of procedure snd_cs46xx_reset [2022-11-16 11:04:51,170 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_cs46xx_reset [2022-11-16 11:04:51,170 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-16 11:04:51,170 INFO L130 BoogieDeclarations]: Found specification of procedure snd_cs46xx_midi_output_close [2022-11-16 11:04:51,170 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_cs46xx_midi_output_close [2022-11-16 11:04:51,170 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-11-16 11:04:51,170 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-11-16 11:04:51,171 INFO L130 BoogieDeclarations]: Found specification of procedure snd_ac97_resume [2022-11-16 11:04:51,171 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_ac97_resume [2022-11-16 11:04:51,171 INFO L130 BoogieDeclarations]: Found specification of procedure snd_ac97_suspend [2022-11-16 11:04:51,171 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_ac97_suspend [2022-11-16 11:04:51,171 INFO L130 BoogieDeclarations]: Found specification of procedure snd_cs46xx_playback_open_rear [2022-11-16 11:04:51,171 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_cs46xx_playback_open_rear [2022-11-16 11:04:51,171 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2022-11-16 11:04:51,172 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2022-11-16 11:04:51,172 INFO L130 BoogieDeclarations]: Found specification of procedure snd_cs46xx_ac97_write [2022-11-16 11:04:51,172 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_cs46xx_ac97_write [2022-11-16 11:04:51,172 INFO L130 BoogieDeclarations]: Found specification of procedure release_firmware [2022-11-16 11:04:51,172 INFO L138 BoogieDeclarations]: Found implementation of procedure release_firmware [2022-11-16 11:04:51,172 INFO L130 BoogieDeclarations]: Found specification of procedure cs46xx_enable_stream_irqs [2022-11-16 11:04:51,172 INFO L138 BoogieDeclarations]: Found implementation of procedure cs46xx_enable_stream_irqs [2022-11-16 11:04:51,173 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-11-16 11:04:51,173 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-11-16 11:04:51,173 INFO L130 BoogieDeclarations]: Found specification of procedure snd_cs46xx_codec_read [2022-11-16 11:04:51,173 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_cs46xx_codec_read [2022-11-16 11:04:51,173 INFO L130 BoogieDeclarations]: Found specification of procedure snd_rawmidi_set_ops [2022-11-16 11:04:51,173 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_rawmidi_set_ops [2022-11-16 11:04:51,173 INFO L130 BoogieDeclarations]: Found specification of procedure snd_ctl_new1 [2022-11-16 11:04:51,174 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_ctl_new1 [2022-11-16 11:04:51,174 INFO L130 BoogieDeclarations]: Found specification of procedure cs46xx_dsp_create_asynch_fg_tx_scb [2022-11-16 11:04:51,174 INFO L138 BoogieDeclarations]: Found implementation of procedure cs46xx_dsp_create_asynch_fg_tx_scb [2022-11-16 11:04:51,174 INFO L130 BoogieDeclarations]: Found specification of procedure snd_pcm_format_width [2022-11-16 11:04:51,174 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_pcm_format_width [2022-11-16 11:04:51,174 INFO L130 BoogieDeclarations]: Found specification of procedure snd_cs46xx_playback_direct_pointer [2022-11-16 11:04:51,175 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_cs46xx_playback_direct_pointer [2022-11-16 11:04:51,175 INFO L130 BoogieDeclarations]: Found specification of procedure cs46xx_dsp_spos_update_scb [2022-11-16 11:04:51,175 INFO L138 BoogieDeclarations]: Found implementation of procedure cs46xx_dsp_spos_update_scb [2022-11-16 11:04:51,175 INFO L130 BoogieDeclarations]: Found specification of procedure snd_cs46xx_midi_output_open [2022-11-16 11:04:51,175 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_cs46xx_midi_output_open [2022-11-16 11:04:51,175 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~VOID [2022-11-16 11:04:51,175 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~VOID [2022-11-16 11:04:51,176 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-16 11:04:51,176 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-16 11:04:51,176 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-16 11:04:51,176 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2022-11-16 11:04:51,176 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2022-11-16 11:04:51,176 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-16 11:04:51,177 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-16 11:04:51,177 INFO L130 BoogieDeclarations]: Found specification of procedure cs46xx_dsp_spos_destroy [2022-11-16 11:04:51,177 INFO L138 BoogieDeclarations]: Found implementation of procedure cs46xx_dsp_spos_destroy [2022-11-16 11:04:51,177 INFO L130 BoogieDeclarations]: Found specification of procedure cs46xx_dsp_create_pcm_channel [2022-11-16 11:04:51,177 INFO L138 BoogieDeclarations]: Found implementation of procedure cs46xx_dsp_create_pcm_channel [2022-11-16 11:04:51,177 INFO L130 BoogieDeclarations]: Found specification of procedure cs46xx_dsp_create_task_tree [2022-11-16 11:04:51,177 INFO L138 BoogieDeclarations]: Found implementation of procedure cs46xx_dsp_create_task_tree [2022-11-16 11:04:51,177 INFO L130 BoogieDeclarations]: Found specification of procedure snd_cs46xx_midi_output_trigger [2022-11-16 11:04:51,178 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_cs46xx_midi_output_trigger [2022-11-16 11:04:51,178 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2022-11-16 11:04:51,178 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2022-11-16 11:04:51,178 INFO L130 BoogieDeclarations]: Found specification of procedure frames_to_bytes [2022-11-16 11:04:51,178 INFO L138 BoogieDeclarations]: Found implementation of procedure frames_to_bytes [2022-11-16 11:04:51,178 INFO L130 BoogieDeclarations]: Found specification of procedure snd_cs46xx_chip_init [2022-11-16 11:04:51,178 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_cs46xx_chip_init [2022-11-16 11:04:51,179 INFO L130 BoogieDeclarations]: Found specification of procedure snd_pcm_lib_free_pages [2022-11-16 11:04:51,179 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_pcm_lib_free_pages [2022-11-16 11:04:51,179 INFO L130 BoogieDeclarations]: Found specification of procedure snd_cs46xx_peekBA0 [2022-11-16 11:04:51,179 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_cs46xx_peekBA0 [2022-11-16 11:04:51,179 INFO L130 BoogieDeclarations]: Found specification of procedure snd_pcm_lib_ioctl [2022-11-16 11:04:51,179 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_pcm_lib_ioctl [2022-11-16 11:04:51,179 INFO L130 BoogieDeclarations]: Found specification of procedure _wrap_all_bits [2022-11-16 11:04:51,180 INFO L138 BoogieDeclarations]: Found implementation of procedure _wrap_all_bits [2022-11-16 11:04:51,180 INFO L130 BoogieDeclarations]: Found specification of procedure snd_cs46xx_poke [2022-11-16 11:04:51,180 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_cs46xx_poke [2022-11-16 11:04:51,180 INFO L130 BoogieDeclarations]: Found specification of procedure dsp_load_sample [2022-11-16 11:04:51,180 INFO L138 BoogieDeclarations]: Found implementation of procedure dsp_load_sample [2022-11-16 11:04:51,180 INFO L130 BoogieDeclarations]: Found specification of procedure snd_cs46xx_playback_open [2022-11-16 11:04:51,180 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_cs46xx_playback_open [2022-11-16 11:04:51,181 INFO L130 BoogieDeclarations]: Found specification of procedure cs46xx_dsp_create_scb [2022-11-16 11:04:51,181 INFO L138 BoogieDeclarations]: Found implementation of procedure cs46xx_dsp_create_scb [2022-11-16 11:04:51,181 INFO L130 BoogieDeclarations]: Found specification of procedure cs46xx_dsp_lookup_symbol [2022-11-16 11:04:51,181 INFO L138 BoogieDeclarations]: Found implementation of procedure cs46xx_dsp_lookup_symbol [2022-11-16 11:04:51,181 INFO L130 BoogieDeclarations]: Found specification of procedure snd_cs46xx_capture_transfer [2022-11-16 11:04:51,181 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_cs46xx_capture_transfer [2022-11-16 11:04:51,181 INFO L130 BoogieDeclarations]: Found specification of procedure cs46xx_wait_for_fifo [2022-11-16 11:04:51,182 INFO L138 BoogieDeclarations]: Found implementation of procedure cs46xx_wait_for_fifo [2022-11-16 11:04:51,182 INFO L130 BoogieDeclarations]: Found specification of procedure snd_cs46xx_download [2022-11-16 11:04:51,182 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_cs46xx_download [2022-11-16 11:04:51,182 INFO L130 BoogieDeclarations]: Found specification of procedure snd_cs46xx_capture_hw_params [2022-11-16 11:04:51,182 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_cs46xx_capture_hw_params [2022-11-16 11:04:51,182 INFO L130 BoogieDeclarations]: Found specification of procedure cs46xx_dsp_remove_scb [2022-11-16 11:04:51,182 INFO L138 BoogieDeclarations]: Found implementation of procedure cs46xx_dsp_remove_scb [2022-11-16 11:04:51,183 INFO L130 BoogieDeclarations]: Found specification of procedure cs46xx_dsp_enable_spdif_hw [2022-11-16 11:04:51,183 INFO L138 BoogieDeclarations]: Found implementation of procedure cs46xx_dsp_enable_spdif_hw [2022-11-16 11:04:51,183 INFO L130 BoogieDeclarations]: Found specification of procedure snd_card_free [2022-11-16 11:04:51,183 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_card_free [2022-11-16 11:04:51,183 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2022-11-16 11:04:51,183 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2022-11-16 11:04:51,183 INFO L130 BoogieDeclarations]: Found specification of procedure snd_cs46xx_midi_input_close [2022-11-16 11:04:51,184 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_cs46xx_midi_input_close [2022-11-16 11:04:51,184 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-11-16 11:04:51,184 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-11-16 11:04:51,184 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2022-11-16 11:04:51,184 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2022-11-16 11:04:51,184 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-16 11:04:51,184 INFO L130 BoogieDeclarations]: Found specification of procedure _dsp_unlink_scb [2022-11-16 11:04:51,185 INFO L138 BoogieDeclarations]: Found implementation of procedure _dsp_unlink_scb [2022-11-16 11:04:51,185 INFO L130 BoogieDeclarations]: Found specification of procedure snd_info_register [2022-11-16 11:04:51,185 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_info_register [2022-11-16 11:04:52,671 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 11:04:52,675 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 11:04:58,832 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-16 11:11:31,821 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 11:11:31,854 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 11:11:31,855 INFO L300 CfgBuilder]: Removed 5 assume(true) statements. [2022-11-16 11:11:31,869 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:11:31 BoogieIcfgContainer [2022-11-16 11:11:31,870 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 11:11:31,873 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-16 11:11:31,873 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-16 11:11:31,877 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-16 11:11:31,878 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 11:04:43" (1/3) ... [2022-11-16 11:11:31,879 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@33d5a3d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 11:11:31, skipping insertion in model container [2022-11-16 11:11:31,879 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:04:49" (2/3) ... [2022-11-16 11:11:31,879 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@33d5a3d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 11:11:31, skipping insertion in model container [2022-11-16 11:11:31,879 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:11:31" (3/3) ... [2022-11-16 11:11:31,885 INFO L112 eAbstractionObserver]: Analyzing ICFG 43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-sound--pci--cs46xx--snd-cs46xx.ko-entry_point.cil.out.i [2022-11-16 11:11:31,908 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-16 11:11:31,908 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-16 11:11:32,073 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-16 11:11:32,083 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;@199bdb59, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-16 11:11:32,083 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-16 11:11:32,103 INFO L276 IsEmpty]: Start isEmpty. Operand has 4210 states, 2916 states have (on average 1.4146090534979423) internal successors, (4125), 3022 states have internal predecessors, (4125), 1137 states have call successors, (1137), 159 states have call predecessors, (1137), 158 states have return successors, (1119), 1111 states have call predecessors, (1119), 1119 states have call successors, (1119) [2022-11-16 11:11:32,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-11-16 11:11:32,137 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:11:32,138 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] [2022-11-16 11:11:32,138 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:11:32,146 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:11:32,146 INFO L85 PathProgramCache]: Analyzing trace with hash 1156196636, now seen corresponding path program 1 times [2022-11-16 11:11:32,157 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:11:32,157 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [720252436] [2022-11-16 11:11:32,158 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:11:32,158 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:11:32,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:11:33,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 11:11:33,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:11:33,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-16 11:11:33,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:11:33,460 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:11:33,461 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:11:33,461 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [720252436] [2022-11-16 11:11:33,462 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [720252436] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:11:33,462 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:11:33,463 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-16 11:11:33,465 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1176870414] [2022-11-16 11:11:33,466 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:11:33,471 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-16 11:11:33,472 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:11:33,509 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-16 11:11:33,514 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-16 11:11:33,527 INFO L87 Difference]: Start difference. First operand has 4210 states, 2916 states have (on average 1.4146090534979423) internal successors, (4125), 3022 states have internal predecessors, (4125), 1137 states have call successors, (1137), 159 states have call predecessors, (1137), 158 states have return successors, (1119), 1111 states have call predecessors, (1119), 1119 states have call successors, (1119) Second operand has 4 states, 4 states have (on average 6.5) internal successors, (26), 3 states have internal predecessors, (26), 2 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-16 11:11:38,743 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.35s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:11:43,049 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:11:44,462 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:11:46,469 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:11:52,345 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:11:55,658 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.31s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:11:57,998 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:12:05,980 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:12:08,570 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:12:13,912 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:12:18,953 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:12:25,635 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.60s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:12:29,147 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.80s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:12:31,350 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:12:33,968 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:12:36,190 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:12:38,357 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:12:40,587 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:12:42,671 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.95s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:12:43,881 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.21s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:12:45,891 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:12:47,718 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.73s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:12:49,804 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:12:52,304 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:12:55,027 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:12:57,136 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:12:59,761 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:13:01,953 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:13:02,003 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:13:02,004 INFO L93 Difference]: Finished difference Result 11976 states and 18978 transitions. [2022-11-16 11:13:02,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-16 11:13:02,010 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.5) internal successors, (26), 3 states have internal predecessors, (26), 2 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 33 [2022-11-16 11:13:02,011 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:13:02,087 INFO L225 Difference]: With dead ends: 11976 [2022-11-16 11:13:02,087 INFO L226 Difference]: Without dead ends: 7303 [2022-11-16 11:13:02,128 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-16 11:13:02,133 INFO L413 NwaCegarLoop]: 6037 mSDtfsCounter, 5920 mSDsluCounter, 7432 mSDsCounter, 0 mSdLazyCounter, 5278 mSolverCounterSat, 2645 mSolverCounterUnsat, 21 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 84.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6643 SdHoareTripleChecker+Valid, 13469 SdHoareTripleChecker+Invalid, 7944 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 2645 IncrementalHoareTripleChecker+Valid, 5278 IncrementalHoareTripleChecker+Invalid, 21 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 87.2s IncrementalHoareTripleChecker+Time [2022-11-16 11:13:02,134 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6643 Valid, 13469 Invalid, 7944 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [2645 Valid, 5278 Invalid, 21 Unknown, 0 Unchecked, 87.2s Time] [2022-11-16 11:13:02,162 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7303 states. [2022-11-16 11:13:02,648 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7303 to 6766. [2022-11-16 11:13:02,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6766 states, 4759 states have (on average 1.4070182811515024) internal successors, (6696), 4897 states have internal predecessors, (6696), 1736 states have call successors, (1736), 271 states have call predecessors, (1736), 270 states have return successors, (1734), 1719 states have call predecessors, (1734), 1734 states have call successors, (1734) [2022-11-16 11:13:02,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6766 states to 6766 states and 10166 transitions. [2022-11-16 11:13:02,727 INFO L78 Accepts]: Start accepts. Automaton has 6766 states and 10166 transitions. Word has length 33 [2022-11-16 11:13:02,727 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:13:02,727 INFO L495 AbstractCegarLoop]: Abstraction has 6766 states and 10166 transitions. [2022-11-16 11:13:02,728 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.5) internal successors, (26), 3 states have internal predecessors, (26), 2 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-16 11:13:02,728 INFO L276 IsEmpty]: Start isEmpty. Operand 6766 states and 10166 transitions. [2022-11-16 11:13:02,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-11-16 11:13:02,743 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:13:02,743 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:13:02,743 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-16 11:13:02,744 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:13:02,744 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:13:02,744 INFO L85 PathProgramCache]: Analyzing trace with hash -614644905, now seen corresponding path program 1 times [2022-11-16 11:13:02,745 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:13:02,745 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1423793275] [2022-11-16 11:13:02,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:13:02,745 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:13:02,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:13:03,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 11:13:03,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:13:03,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-11-16 11:13:03,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:13:03,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-16 11:13:03,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:13:03,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-11-16 11:13:03,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:13:03,544 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-16 11:13:03,544 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:13:03,544 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1423793275] [2022-11-16 11:13:03,545 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1423793275] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:13:03,545 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:13:03,545 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-16 11:13:03,545 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [260774060] [2022-11-16 11:13:03,545 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:13:03,547 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-16 11:13:03,548 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:13:03,548 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-16 11:13:03,548 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-16 11:13:03,549 INFO L87 Difference]: Start difference. First operand 6766 states and 10166 transitions. Second operand has 4 states, 4 states have (on average 9.0) internal successors, (36), 3 states have internal predecessors, (36), 2 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-11-16 11:13:07,451 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:13:09,460 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:13:13,786 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:13:16,502 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.51s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:13:21,788 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.59s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:13:24,004 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.00s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:13:27,565 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:13:35,316 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:13:39,229 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:13:42,487 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:13:49,743 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:13:52,220 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:14:00,085 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.23s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:14:02,683 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.99s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:14:06,115 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:14:08,388 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.23s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:14:10,676 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:14:12,730 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:14:15,035 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:14:17,866 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:14:20,005 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:14:22,364 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:14:24,412 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:14:26,491 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:14:28,513 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:14:30,594 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:14:32,714 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:14:34,792 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:14:36,800 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:14:38,872 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:14:40,907 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:14:43,025 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:14:45,053 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:14:47,541 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:14:49,500 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.95s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:14:51,549 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:14:53,578 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:14:56,821 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:14:58,853 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:15:01,342 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:15:03,375 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:15:03,454 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:15:03,454 INFO L93 Difference]: Finished difference Result 21173 states and 32413 transitions. [2022-11-16 11:15:03,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-16 11:15:03,455 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.0) internal successors, (36), 3 states have internal predecessors, (36), 2 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 55 [2022-11-16 11:15:03,456 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:15:03,578 INFO L225 Difference]: With dead ends: 21173 [2022-11-16 11:15:03,579 INFO L226 Difference]: Without dead ends: 14412 [2022-11-16 11:15:03,625 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-16 11:15:03,626 INFO L413 NwaCegarLoop]: 6668 mSDtfsCounter, 6921 mSDsluCounter, 7481 mSDsCounter, 0 mSdLazyCounter, 5617 mSolverCounterSat, 2665 mSolverCounterUnsat, 34 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 115.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7801 SdHoareTripleChecker+Valid, 14149 SdHoareTripleChecker+Invalid, 8316 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 2665 IncrementalHoareTripleChecker+Valid, 5617 IncrementalHoareTripleChecker+Invalid, 34 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 118.8s IncrementalHoareTripleChecker+Time [2022-11-16 11:15:03,627 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7801 Valid, 14149 Invalid, 8316 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [2665 Valid, 5617 Invalid, 34 Unknown, 0 Unchecked, 118.8s Time] [2022-11-16 11:15:03,648 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14412 states. [2022-11-16 11:15:04,348 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14412 to 13339. [2022-11-16 11:15:04,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13339 states, 9383 states have (on average 1.4069061067888735) internal successors, (13201), 9659 states have internal predecessors, (13201), 3420 states have call successors, (3420), 536 states have call predecessors, (3420), 535 states have return successors, (3418), 3387 states have call predecessors, (3418), 3418 states have call successors, (3418) [2022-11-16 11:15:04,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13339 states to 13339 states and 20039 transitions. [2022-11-16 11:15:04,476 INFO L78 Accepts]: Start accepts. Automaton has 13339 states and 20039 transitions. Word has length 55 [2022-11-16 11:15:04,476 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:15:04,476 INFO L495 AbstractCegarLoop]: Abstraction has 13339 states and 20039 transitions. [2022-11-16 11:15:04,477 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.0) internal successors, (36), 3 states have internal predecessors, (36), 2 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-11-16 11:15:04,478 INFO L276 IsEmpty]: Start isEmpty. Operand 13339 states and 20039 transitions. [2022-11-16 11:15:04,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2022-11-16 11:15:04,488 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:15:04,488 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:15:04,488 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-16 11:15:04,489 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:15:04,489 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:15:04,489 INFO L85 PathProgramCache]: Analyzing trace with hash -1178930555, now seen corresponding path program 1 times [2022-11-16 11:15:04,490 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:15:04,490 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [758829925] [2022-11-16 11:15:04,490 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:15:04,490 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:15:04,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:15:05,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 11:15:05,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:15:05,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-16 11:15:05,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:15:05,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-11-16 11:15:05,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:15:05,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-11-16 11:15:05,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:15:05,252 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-16 11:15:05,253 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:15:05,253 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [758829925] [2022-11-16 11:15:05,253 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [758829925] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:15:05,253 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:15:05,253 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-16 11:15:05,254 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1587914657] [2022-11-16 11:15:05,254 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:15:05,254 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-16 11:15:05,254 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:15:05,255 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-16 11:15:05,255 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-16 11:15:05,256 INFO L87 Difference]: Start difference. First operand 13339 states and 20039 transitions. Second operand has 4 states, 4 states have (on average 9.25) internal successors, (37), 3 states have internal predecessors, (37), 2 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-11-16 11:15:09,088 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:15:11,100 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:15:14,731 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:15:16,399 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:15:17,626 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.23s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:15:22,591 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:15:27,004 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:15:35,141 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:15:37,154 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:15:41,903 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:15:44,993 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:15:46,682 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.50s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:15:48,694 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:15:51,331 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:15:57,086 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:16:03,163 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:16:05,759 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:16:07,765 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:16:11,587 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.96s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:16:14,249 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:16:16,745 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:16:19,516 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:16:21,789 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:16:23,684 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.78s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:16:25,709 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:16:27,794 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:16:29,193 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.31s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:16:30,911 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.72s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:16:32,564 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.65s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:16:34,574 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:16:36,007 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.43s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:16:37,856 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.78s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:16:39,435 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.54s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:16:41,494 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:16:43,615 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:16:46,016 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:16:48,041 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:16:50,087 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:16:52,109 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:16:55,357 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:16:57,393 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:16:59,796 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:17:01,825 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:17:01,903 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:17:01,904 INFO L93 Difference]: Finished difference Result 41862 states and 64028 transitions. [2022-11-16 11:17:01,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-16 11:17:01,904 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 3 states have internal predecessors, (37), 2 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 56 [2022-11-16 11:17:01,905 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:17:02,166 INFO L225 Difference]: With dead ends: 41862 [2022-11-16 11:17:02,166 INFO L226 Difference]: Without dead ends: 28528 [2022-11-16 11:17:02,233 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-16 11:17:02,236 INFO L413 NwaCegarLoop]: 6671 mSDtfsCounter, 6972 mSDsluCounter, 7527 mSDsCounter, 0 mSdLazyCounter, 5577 mSolverCounterSat, 2689 mSolverCounterUnsat, 32 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 112.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7853 SdHoareTripleChecker+Valid, 14198 SdHoareTripleChecker+Invalid, 8298 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2689 IncrementalHoareTripleChecker+Valid, 5577 IncrementalHoareTripleChecker+Invalid, 32 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 115.3s IncrementalHoareTripleChecker+Time [2022-11-16 11:17:02,238 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7853 Valid, 14198 Invalid, 8298 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2689 Valid, 5577 Invalid, 32 Unknown, 0 Unchecked, 115.3s Time] [2022-11-16 11:17:02,272 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28528 states. [2022-11-16 11:17:03,680 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28528 to 26397. [2022-11-16 11:17:03,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26397 states, 18565 states have (on average 1.4059251279288985) internal successors, (26101), 19117 states have internal predecessors, (26101), 6764 states have call successors, (6764), 1068 states have call predecessors, (6764), 1067 states have return successors, (6762), 6699 states have call predecessors, (6762), 6762 states have call successors, (6762) [2022-11-16 11:17:03,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26397 states to 26397 states and 39627 transitions. [2022-11-16 11:17:04,003 INFO L78 Accepts]: Start accepts. Automaton has 26397 states and 39627 transitions. Word has length 56 [2022-11-16 11:17:04,004 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:17:04,004 INFO L495 AbstractCegarLoop]: Abstraction has 26397 states and 39627 transitions. [2022-11-16 11:17:04,004 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 3 states have internal predecessors, (37), 2 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-11-16 11:17:04,004 INFO L276 IsEmpty]: Start isEmpty. Operand 26397 states and 39627 transitions. [2022-11-16 11:17:04,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2022-11-16 11:17:04,012 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:17:04,012 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:17:04,012 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-16 11:17:04,013 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:17:04,013 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:17:04,013 INFO L85 PathProgramCache]: Analyzing trace with hash -1668028837, now seen corresponding path program 1 times [2022-11-16 11:17:04,013 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:17:04,013 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1637573748] [2022-11-16 11:17:04,014 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:17:04,014 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:17:04,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:17:04,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 11:17:04,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:17:04,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-11-16 11:17:04,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:17:04,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-11-16 11:17:04,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:17:04,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-11-16 11:17:04,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:17:04,586 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-16 11:17:04,586 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:17:04,587 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1637573748] [2022-11-16 11:17:04,587 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1637573748] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:17:04,587 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:17:04,587 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-16 11:17:04,587 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1043175130] [2022-11-16 11:17:04,587 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:17:04,588 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-16 11:17:04,588 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:17:04,588 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-16 11:17:04,589 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-16 11:17:04,589 INFO L87 Difference]: Start difference. First operand 26397 states and 39627 transitions. Second operand has 4 states, 4 states have (on average 9.75) internal successors, (39), 3 states have internal predecessors, (39), 2 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-11-16 11:17:12,284 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:17:14,523 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:17:19,435 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.36s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:17:24,137 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:17:38,523 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:17:43,755 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:17:46,075 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:17:52,795 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.94s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:17:55,187 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:17:58,758 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:18:00,426 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.27s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:18:02,527 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:18:04,665 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:18:06,931 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:18:09,592 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:18:11,636 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:18:13,778 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:18:15,811 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:18:17,912 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:18:19,932 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:18:22,010 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:18:23,693 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.60s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:18:25,127 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.43s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:18:27,137 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:18:28,805 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.60s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:18:30,873 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:18:33,021 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:18:35,468 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:18:37,490 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:18:39,534 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:18:41,565 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:18:45,247 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:18:47,284 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:18:49,710 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:18:51,746 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:18:51,823 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:18:51,823 INFO L93 Difference]: Finished difference Result 82712 states and 126314 transitions. [2022-11-16 11:18:51,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-16 11:18:51,824 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 3 states have internal predecessors, (39), 2 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 58 [2022-11-16 11:18:51,824 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:18:52,209 INFO L225 Difference]: With dead ends: 82712 [2022-11-16 11:18:52,210 INFO L226 Difference]: Without dead ends: 56320 [2022-11-16 11:18:52,339 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-16 11:18:52,342 INFO L413 NwaCegarLoop]: 7393 mSDtfsCounter, 6855 mSDsluCounter, 7901 mSDsCounter, 0 mSdLazyCounter, 5734 mSolverCounterSat, 2467 mSolverCounterUnsat, 30 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 102.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7725 SdHoareTripleChecker+Valid, 15294 SdHoareTripleChecker+Invalid, 8231 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2467 IncrementalHoareTripleChecker+Valid, 5734 IncrementalHoareTripleChecker+Invalid, 30 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 104.9s IncrementalHoareTripleChecker+Time [2022-11-16 11:18:52,343 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7725 Valid, 15294 Invalid, 8231 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2467 Valid, 5734 Invalid, 30 Unknown, 0 Unchecked, 104.9s Time] [2022-11-16 11:18:52,565 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56320 states. [2022-11-16 11:18:55,394 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56320 to 52071. [2022-11-16 11:18:55,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52071 states, 36623 states have (on average 1.4052098408104197) internal successors, (51463), 37735 states have internal predecessors, (51463), 13310 states have call successors, (13310), 2130 states have call predecessors, (13310), 2137 states have return successors, (13372), 13181 states have call predecessors, (13372), 13308 states have call successors, (13372) [2022-11-16 11:18:55,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52071 states to 52071 states and 78145 transitions. [2022-11-16 11:18:55,973 INFO L78 Accepts]: Start accepts. Automaton has 52071 states and 78145 transitions. Word has length 58 [2022-11-16 11:18:55,973 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:18:55,973 INFO L495 AbstractCegarLoop]: Abstraction has 52071 states and 78145 transitions. [2022-11-16 11:18:55,974 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 3 states have internal predecessors, (39), 2 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-11-16 11:18:55,974 INFO L276 IsEmpty]: Start isEmpty. Operand 52071 states and 78145 transitions. [2022-11-16 11:18:55,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2022-11-16 11:18:55,985 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:18:55,985 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:18:55,986 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-16 11:18:55,986 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:18:55,986 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:18:55,986 INFO L85 PathProgramCache]: Analyzing trace with hash 1957410611, now seen corresponding path program 1 times [2022-11-16 11:18:55,987 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:18:55,987 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1993083912] [2022-11-16 11:18:55,987 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:18:55,987 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:18:56,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:18:56,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 11:18:56,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:18:56,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-11-16 11:18:56,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:18:56,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-11-16 11:18:56,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:18:56,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-16 11:18:56,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:18:56,652 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-16 11:18:56,652 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:18:56,652 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1993083912] [2022-11-16 11:18:56,652 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1993083912] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:18:56,653 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:18:56,653 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-16 11:18:56,653 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1431056244] [2022-11-16 11:18:56,653 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:18:56,654 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-16 11:18:56,654 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:18:56,654 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-16 11:18:56,654 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-16 11:18:56,655 INFO L87 Difference]: Start difference. First operand 52071 states and 78145 transitions. Second operand has 4 states, 4 states have (on average 10.0) internal successors, (40), 3 states have internal predecessors, (40), 2 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-11-16 11:19:00,950 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:19:05,654 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 11:19:07,893 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []