./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 b5237d83 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_747fb733-decf-493a-bf00-054802c5d2a9/bin/uautomizer-vX5HgA9Q3a/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_747fb733-decf-493a-bf00-054802c5d2a9/bin/uautomizer-vX5HgA9Q3a/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_747fb733-decf-493a-bf00-054802c5d2a9/bin/uautomizer-vX5HgA9Q3a/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_747fb733-decf-493a-bf00-054802c5d2a9/bin/uautomizer-vX5HgA9Q3a/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_747fb733-decf-493a-bf00-054802c5d2a9/bin/uautomizer-vX5HgA9Q3a/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_747fb733-decf-493a-bf00-054802c5d2a9/bin/uautomizer-vX5HgA9Q3a --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-b5237d8 [2022-11-21 13:56:23,799 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 13:56:23,801 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 13:56:23,829 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 13:56:23,829 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 13:56:23,830 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 13:56:23,832 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 13:56:23,834 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 13:56:23,836 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 13:56:23,837 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 13:56:23,838 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 13:56:23,839 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 13:56:23,840 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 13:56:23,841 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 13:56:23,842 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 13:56:23,843 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 13:56:23,844 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 13:56:23,846 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 13:56:23,848 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 13:56:23,850 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 13:56:23,851 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 13:56:23,853 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 13:56:23,855 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 13:56:23,856 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 13:56:23,860 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 13:56:23,861 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 13:56:23,861 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 13:56:23,862 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 13:56:23,863 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 13:56:23,864 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 13:56:23,865 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 13:56:23,866 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 13:56:23,872 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 13:56:23,878 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 13:56:23,880 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 13:56:23,880 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 13:56:23,881 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 13:56:23,881 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 13:56:23,881 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 13:56:23,882 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 13:56:23,883 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 13:56:23,885 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_747fb733-decf-493a-bf00-054802c5d2a9/bin/uautomizer-vX5HgA9Q3a/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-11-21 13:56:23,934 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 13:56:23,934 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 13:56:23,935 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-21 13:56:23,935 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-21 13:56:23,936 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 13:56:23,936 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-21 13:56:23,937 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 13:56:23,937 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 13:56:23,937 INFO L138 SettingsManager]: * Use SBE=true [2022-11-21 13:56:23,937 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 13:56:23,938 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-21 13:56:23,938 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 13:56:23,938 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 13:56:23,938 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 13:56:23,939 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 13:56:23,939 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 13:56:23,939 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 13:56:23,939 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 13:56:23,940 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 13:56:23,940 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-21 13:56:23,940 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-21 13:56:23,940 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-21 13:56:23,941 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 13:56:23,941 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 13:56:23,941 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 13:56:23,941 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-21 13:56:23,942 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-21 13:56:23,942 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-21 13:56:23,942 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-21 13:56:23,942 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 13:56:23,946 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_747fb733-decf-493a-bf00-054802c5d2a9/bin/uautomizer-vX5HgA9Q3a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_747fb733-decf-493a-bf00-054802c5d2a9/bin/uautomizer-vX5HgA9Q3a Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 718a95fd2d27cb38002861c3cfa5a256ea936153fc96f7220d4978ac34f5d164 [2022-11-21 13:56:24,217 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 13:56:24,238 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 13:56:24,241 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 13:56:24,242 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 13:56:24,243 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 13:56:24,244 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_747fb733-decf-493a-bf00-054802c5d2a9/bin/uautomizer-vX5HgA9Q3a/../../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 [2022-11-21 13:56:27,412 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 13:56:28,085 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 13:56:28,086 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_747fb733-decf-493a-bf00-054802c5d2a9/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 [2022-11-21 13:56:28,177 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_747fb733-decf-493a-bf00-054802c5d2a9/bin/uautomizer-vX5HgA9Q3a/data/7a17f7d0c/fa151ad8cac944168f50017baf56bbed/FLAG2ec925521 [2022-11-21 13:56:28,195 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_747fb733-decf-493a-bf00-054802c5d2a9/bin/uautomizer-vX5HgA9Q3a/data/7a17f7d0c/fa151ad8cac944168f50017baf56bbed [2022-11-21 13:56:28,198 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 13:56:28,200 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 13:56:28,206 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 13:56:28,207 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 13:56:28,210 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 13:56:28,211 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 01:56:28" (1/1) ... [2022-11-21 13:56:28,212 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@33482a84 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:56:28, skipping insertion in model container [2022-11-21 13:56:28,213 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 01:56:28" (1/1) ... [2022-11-21 13:56:28,220 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 13:56:28,427 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 13:56:29,000 WARN L1259 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [4843] [2022-11-21 13:56:29,000 WARN L1259 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [4844-4845] [2022-11-21 13:56:29,144 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_747fb733-decf-493a-bf00-054802c5d2a9/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] [2022-11-21 13:56:32,355 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 13:56:32,397 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 13:56:32,497 WARN L1259 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [4843] [2022-11-21 13:56:32,498 WARN L1259 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [4844-4845] [2022-11-21 13:56:32,502 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_747fb733-decf-493a-bf00-054802c5d2a9/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] [2022-11-21 13:56:33,474 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 13:56:33,850 INFO L208 MainTranslator]: Completed translation [2022-11-21 13:56:33,851 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:56:33 WrapperNode [2022-11-21 13:56:33,851 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 13:56:33,852 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 13:56:33,852 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 13:56:33,852 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 13:56:33,859 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:56:33" (1/1) ... [2022-11-21 13:56:34,048 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:56:33" (1/1) ... [2022-11-21 13:56:34,489 INFO L138 Inliner]: procedures = 453, calls = 6911, calls flagged for inlining = 212, calls inlined = 198, statements flattened = 12982 [2022-11-21 13:56:34,491 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 13:56:34,491 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 13:56:34,492 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 13:56:34,492 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 13:56:34,503 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:56:33" (1/1) ... [2022-11-21 13:56:34,517 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:56:33" (1/1) ... [2022-11-21 13:56:34,607 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:56:33" (1/1) ... [2022-11-21 13:56:34,607 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:56:33" (1/1) ... [2022-11-21 13:56:34,941 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:56:33" (1/1) ... [2022-11-21 13:56:34,985 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:56:33" (1/1) ... [2022-11-21 13:56:35,155 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:56:33" (1/1) ... [2022-11-21 13:56:35,228 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:56:33" (1/1) ... [2022-11-21 13:56:35,301 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 13:56:35,303 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 13:56:35,303 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 13:56:35,303 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 13:56:35,304 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:56:33" (1/1) ... [2022-11-21 13:56:35,312 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-21 13:56:35,322 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_747fb733-decf-493a-bf00-054802c5d2a9/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 13:56:35,336 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_747fb733-decf-493a-bf00-054802c5d2a9/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-21 13:56:35,366 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_747fb733-decf-493a-bf00-054802c5d2a9/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-21 13:56:35,381 INFO L130 BoogieDeclarations]: Found specification of procedure cs46xx_poke_via_dsp [2022-11-21 13:56:35,381 INFO L138 BoogieDeclarations]: Found implementation of procedure cs46xx_poke_via_dsp [2022-11-21 13:56:35,381 INFO L130 BoogieDeclarations]: Found specification of procedure snd_ac97_read [2022-11-21 13:56:35,382 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_ac97_read [2022-11-21 13:56:35,382 INFO L130 BoogieDeclarations]: Found specification of procedure snd_cs46xx_playback_open_clfe [2022-11-21 13:56:35,382 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_cs46xx_playback_open_clfe [2022-11-21 13:56:35,382 INFO L130 BoogieDeclarations]: Found specification of procedure cs46xx_dsp_create_src_task_scb [2022-11-21 13:56:35,382 INFO L138 BoogieDeclarations]: Found implementation of procedure cs46xx_dsp_create_src_task_scb [2022-11-21 13:56:35,382 INFO L130 BoogieDeclarations]: Found specification of procedure snd_cs46xx_capture_hw_free [2022-11-21 13:56:35,383 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_cs46xx_capture_hw_free [2022-11-21 13:56:35,383 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2022-11-21 13:56:35,383 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2022-11-21 13:56:35,383 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-21 13:56:35,383 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-21 13:56:35,383 INFO L130 BoogieDeclarations]: Found specification of procedure snd_pcm_hw_constraint_list [2022-11-21 13:56:35,384 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_pcm_hw_constraint_list [2022-11-21 13:56:35,384 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_word [2022-11-21 13:56:35,384 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_word [2022-11-21 13:56:35,384 INFO L130 BoogieDeclarations]: Found specification of procedure cs46xx_dsp_scb_set_volume [2022-11-21 13:56:35,384 INFO L138 BoogieDeclarations]: Found implementation of procedure cs46xx_dsp_scb_set_volume [2022-11-21 13:56:35,384 INFO L130 BoogieDeclarations]: Found specification of procedure snd_cs46xx_pokeBA0 [2022-11-21 13:56:35,384 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_cs46xx_pokeBA0 [2022-11-21 13:56:35,385 INFO L130 BoogieDeclarations]: Found specification of procedure snd_cs46xx_playback_close_iec958 [2022-11-21 13:56:35,385 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_cs46xx_playback_close_iec958 [2022-11-21 13:56:35,385 INFO L130 BoogieDeclarations]: Found specification of procedure snd_cs46xx_capture_close [2022-11-21 13:56:35,385 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_cs46xx_capture_close [2022-11-21 13:56:35,385 INFO L130 BoogieDeclarations]: Found specification of procedure snd_pcm_set_ops [2022-11-21 13:56:35,385 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_pcm_set_ops [2022-11-21 13:56:35,386 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~VOID [2022-11-21 13:56:35,386 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~VOID [2022-11-21 13:56:35,386 INFO L130 BoogieDeclarations]: Found specification of procedure dsp_load_parameter [2022-11-21 13:56:35,386 INFO L138 BoogieDeclarations]: Found implementation of procedure dsp_load_parameter [2022-11-21 13:56:35,386 INFO L130 BoogieDeclarations]: Found specification of procedure find_next_free_scb [2022-11-21 13:56:35,386 INFO L138 BoogieDeclarations]: Found implementation of procedure find_next_free_scb [2022-11-21 13:56:35,387 INFO L130 BoogieDeclarations]: Found specification of procedure snd_info_create_card_entry [2022-11-21 13:56:35,387 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_info_create_card_entry [2022-11-21 13:56:35,387 INFO L130 BoogieDeclarations]: Found specification of procedure snd_cs46xx_free [2022-11-21 13:56:35,387 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_cs46xx_free [2022-11-21 13:56:35,387 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-11-21 13:56:35,387 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-11-21 13:56:35,388 INFO L130 BoogieDeclarations]: Found specification of procedure snd_cs46xx_playback_hw_params [2022-11-21 13:56:35,388 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_cs46xx_playback_hw_params [2022-11-21 13:56:35,388 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-21 13:56:35,388 INFO L130 BoogieDeclarations]: Found specification of procedure snd_ac97_write [2022-11-21 13:56:35,388 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_ac97_write [2022-11-21 13:56:35,388 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-11-21 13:56:35,388 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-11-21 13:56:35,389 INFO L130 BoogieDeclarations]: Found specification of procedure cs46xx_dsp_create_generic_scb [2022-11-21 13:56:35,389 INFO L138 BoogieDeclarations]: Found implementation of procedure cs46xx_dsp_create_generic_scb [2022-11-21 13:56:35,389 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-11-21 13:56:35,389 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-11-21 13:56:35,389 INFO L130 BoogieDeclarations]: Found specification of procedure cs46xx_dsp_proc_free_scb_desc [2022-11-21 13:56:35,389 INFO L138 BoogieDeclarations]: Found implementation of procedure cs46xx_dsp_proc_free_scb_desc [2022-11-21 13:56:35,390 INFO L130 BoogieDeclarations]: Found specification of procedure params_period_bytes [2022-11-21 13:56:35,390 INFO L138 BoogieDeclarations]: Found implementation of procedure params_period_bytes [2022-11-21 13:56:35,390 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-21 13:56:35,390 INFO L130 BoogieDeclarations]: Found specification of procedure cs46xx_dsp_proc_register_scb_desc [2022-11-21 13:56:35,390 INFO L138 BoogieDeclarations]: Found implementation of procedure cs46xx_dsp_proc_register_scb_desc [2022-11-21 13:56:35,390 INFO L130 BoogieDeclarations]: Found specification of procedure cs46xx_dsp_create_mix_only_scb [2022-11-21 13:56:35,391 INFO L138 BoogieDeclarations]: Found implementation of procedure cs46xx_dsp_create_mix_only_scb [2022-11-21 13:56:35,391 INFO L130 BoogieDeclarations]: Found specification of procedure snd_cs46xx_playback_transfer [2022-11-21 13:56:35,391 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_cs46xx_playback_transfer [2022-11-21 13:56:35,391 INFO L130 BoogieDeclarations]: Found specification of procedure snd_cs46xx_clear_BA1 [2022-11-21 13:56:35,391 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_cs46xx_clear_BA1 [2022-11-21 13:56:35,391 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2022-11-21 13:56:35,391 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2022-11-21 13:56:35,392 INFO L130 BoogieDeclarations]: Found specification of procedure snd_ctl_add [2022-11-21 13:56:35,392 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_ctl_add [2022-11-21 13:56:35,392 INFO L130 BoogieDeclarations]: Found specification of procedure snd_dma_free_pages [2022-11-21 13:56:35,392 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_dma_free_pages [2022-11-21 13:56:35,392 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-21 13:56:35,392 INFO L130 BoogieDeclarations]: Found specification of procedure snd_cs46xx_capture_indirect_pointer [2022-11-21 13:56:35,392 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_cs46xx_capture_indirect_pointer [2022-11-21 13:56:35,393 INFO L130 BoogieDeclarations]: Found specification of procedure snd_cs46xx_set_play_sample_rate [2022-11-21 13:56:35,393 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_cs46xx_set_play_sample_rate [2022-11-21 13:56:35,393 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-21 13:56:35,393 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-21 13:56:35,393 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-21 13:56:35,393 INFO L130 BoogieDeclarations]: Found specification of procedure snd_cs46xx_proc_start [2022-11-21 13:56:35,394 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_cs46xx_proc_start [2022-11-21 13:56:35,394 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-11-21 13:56:35,394 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-11-21 13:56:35,394 INFO L130 BoogieDeclarations]: Found specification of procedure snd_pcm_lib_preallocate_pages_for_all [2022-11-21 13:56:35,394 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_pcm_lib_preallocate_pages_for_all [2022-11-21 13:56:35,394 INFO L130 BoogieDeclarations]: Found specification of procedure snd_cs46xx_playback_indirect_pointer [2022-11-21 13:56:35,394 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_cs46xx_playback_indirect_pointer [2022-11-21 13:56:35,395 INFO L130 BoogieDeclarations]: Found specification of procedure cs46xx_dsp_enable_spdif_out [2022-11-21 13:56:35,395 INFO L138 BoogieDeclarations]: Found implementation of procedure cs46xx_dsp_enable_spdif_out [2022-11-21 13:56:35,395 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2022-11-21 13:56:35,395 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2022-11-21 13:56:35,395 INFO L130 BoogieDeclarations]: Found specification of procedure snd_cs46xx_codec_write [2022-11-21 13:56:35,395 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_cs46xx_codec_write [2022-11-21 13:56:35,396 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-11-21 13:56:35,396 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-11-21 13:56:35,396 INFO L130 BoogieDeclarations]: Found specification of procedure snd_cs46xx_capture_direct_pointer [2022-11-21 13:56:35,396 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_cs46xx_capture_direct_pointer [2022-11-21 13:56:35,396 INFO L130 BoogieDeclarations]: Found specification of procedure snd_info_free_entry [2022-11-21 13:56:35,396 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_info_free_entry [2022-11-21 13:56:35,396 INFO L130 BoogieDeclarations]: Found specification of procedure snd_card_cs46xx_remove [2022-11-21 13:56:35,397 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_card_cs46xx_remove [2022-11-21 13:56:35,397 INFO L130 BoogieDeclarations]: Found specification of procedure cs46xx_dsp_pcm_link [2022-11-21 13:56:35,397 INFO L138 BoogieDeclarations]: Found implementation of procedure cs46xx_dsp_pcm_link [2022-11-21 13:56:35,397 INFO L130 BoogieDeclarations]: Found specification of procedure voyetra_setup_eapd_slot [2022-11-21 13:56:35,397 INFO L138 BoogieDeclarations]: Found implementation of procedure voyetra_setup_eapd_slot [2022-11-21 13:56:35,397 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-21 13:56:35,397 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-21 13:56:35,398 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-11-21 13:56:35,398 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-11-21 13:56:35,398 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-21 13:56:35,398 INFO L130 BoogieDeclarations]: Found specification of procedure snd_cs46xx_resume [2022-11-21 13:56:35,398 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_cs46xx_resume [2022-11-21 13:56:35,398 INFO L130 BoogieDeclarations]: Found specification of procedure _dsp_create_scb [2022-11-21 13:56:35,398 INFO L138 BoogieDeclarations]: Found implementation of procedure _dsp_create_scb [2022-11-21 13:56:35,399 INFO L130 BoogieDeclarations]: Found specification of procedure snd_cs46xx_playback_trigger [2022-11-21 13:56:35,399 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_cs46xx_playback_trigger [2022-11-21 13:56:35,399 INFO L130 BoogieDeclarations]: Found specification of procedure snd_cs46xx_capture_trigger [2022-11-21 13:56:35,399 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_cs46xx_capture_trigger [2022-11-21 13:56:35,399 INFO L130 BoogieDeclarations]: Found specification of procedure _cs46xx_playback_open_channel [2022-11-21 13:56:35,400 INFO L138 BoogieDeclarations]: Found implementation of procedure _cs46xx_playback_open_channel [2022-11-21 13:56:35,400 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-11-21 13:56:35,400 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-11-21 13:56:35,400 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2022-11-21 13:56:35,400 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2022-11-21 13:56:35,400 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-11-21 13:56:35,400 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-11-21 13:56:35,401 INFO L130 BoogieDeclarations]: Found specification of procedure snd_cs46xx_playback_prepare [2022-11-21 13:56:35,401 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_cs46xx_playback_prepare [2022-11-21 13:56:35,401 INFO L130 BoogieDeclarations]: Found specification of procedure cs46xx_dsp_create_pcm_serial_input_scb [2022-11-21 13:56:35,401 INFO L138 BoogieDeclarations]: Found implementation of procedure cs46xx_dsp_create_pcm_serial_input_scb [2022-11-21 13:56:35,401 INFO L130 BoogieDeclarations]: Found specification of procedure snd_power_change_state [2022-11-21 13:56:35,401 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_power_change_state [2022-11-21 13:56:35,402 INFO L130 BoogieDeclarations]: Found specification of procedure cs46xx_src_unlink [2022-11-21 13:56:35,402 INFO L138 BoogieDeclarations]: Found implementation of procedure cs46xx_src_unlink [2022-11-21 13:56:35,402 INFO L130 BoogieDeclarations]: Found specification of procedure clkrun_init [2022-11-21 13:56:35,402 INFO L138 BoogieDeclarations]: Found implementation of procedure clkrun_init [2022-11-21 13:56:35,402 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-11-21 13:56:35,402 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-11-21 13:56:35,403 INFO L130 BoogieDeclarations]: Found specification of procedure bytes_to_frames [2022-11-21 13:56:35,403 INFO L138 BoogieDeclarations]: Found implementation of procedure bytes_to_frames [2022-11-21 13:56:35,403 INFO L130 BoogieDeclarations]: Found specification of procedure snd_cs46xx_playback_open_iec958 [2022-11-21 13:56:35,403 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_cs46xx_playback_open_iec958 [2022-11-21 13:56:35,403 INFO L130 BoogieDeclarations]: Found specification of procedure snd_cs46xx_peek [2022-11-21 13:56:35,403 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_cs46xx_peek [2022-11-21 13:56:35,403 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2022-11-21 13:56:35,404 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2022-11-21 13:56:35,404 INFO L130 BoogieDeclarations]: Found specification of procedure add_symbol [2022-11-21 13:56:35,404 INFO L138 BoogieDeclarations]: Found implementation of procedure add_symbol [2022-11-21 13:56:35,404 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 13:56:35,404 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 13:56:35,404 INFO L130 BoogieDeclarations]: Found specification of procedure snd_cs46xx_midi_input_open [2022-11-21 13:56:35,404 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_cs46xx_midi_input_open [2022-11-21 13:56:35,405 INFO L130 BoogieDeclarations]: Found specification of procedure snd_cs46xx_hw_stop [2022-11-21 13:56:35,405 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_cs46xx_hw_stop [2022-11-21 13:56:35,405 INFO L130 BoogieDeclarations]: Found specification of procedure hw_param_interval_c [2022-11-21 13:56:35,405 INFO L138 BoogieDeclarations]: Found implementation of procedure hw_param_interval_c [2022-11-21 13:56:35,405 INFO L130 BoogieDeclarations]: Found specification of procedure snd_cs46xx_set_capture_sample_rate [2022-11-21 13:56:35,405 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_cs46xx_set_capture_sample_rate [2022-11-21 13:56:35,405 INFO L130 BoogieDeclarations]: Found specification of procedure snd_rawmidi_transmit [2022-11-21 13:56:35,405 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_rawmidi_transmit [2022-11-21 13:56:35,406 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2022-11-21 13:56:35,406 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2022-11-21 13:56:35,406 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-11-21 13:56:35,406 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-11-21 13:56:35,406 INFO L130 BoogieDeclarations]: Found specification of procedure snd_pcm_lib_buffer_bytes [2022-11-21 13:56:35,406 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_pcm_lib_buffer_bytes [2022-11-21 13:56:35,407 INFO L130 BoogieDeclarations]: Found specification of procedure cs46xx_detect_codec [2022-11-21 13:56:35,407 INFO L138 BoogieDeclarations]: Found implementation of procedure cs46xx_detect_codec [2022-11-21 13:56:35,407 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-21 13:56:35,407 INFO L130 BoogieDeclarations]: Found specification of procedure snd_cs46xx_midi_reset [2022-11-21 13:56:35,407 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_cs46xx_midi_reset [2022-11-21 13:56:35,407 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-21 13:56:35,407 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-21 13:56:35,408 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-21 13:56:35,408 INFO L130 BoogieDeclarations]: Found specification of procedure snd_cs46xx_capture_open [2022-11-21 13:56:35,408 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_cs46xx_capture_open [2022-11-21 13:56:35,408 INFO L130 BoogieDeclarations]: Found specification of procedure cs46xx_dsp_create_codec_out_scb [2022-11-21 13:56:35,408 INFO L138 BoogieDeclarations]: Found implementation of procedure cs46xx_dsp_create_codec_out_scb [2022-11-21 13:56:35,408 INFO L130 BoogieDeclarations]: Found specification of procedure cs46xx_dsp_disable_spdif_out [2022-11-21 13:56:35,408 INFO L138 BoogieDeclarations]: Found implementation of procedure cs46xx_dsp_disable_spdif_out [2022-11-21 13:56:35,409 INFO L130 BoogieDeclarations]: Found specification of procedure _dsp_clear_sample_buffer [2022-11-21 13:56:35,409 INFO L138 BoogieDeclarations]: Found implementation of procedure _dsp_clear_sample_buffer [2022-11-21 13:56:35,409 INFO L130 BoogieDeclarations]: Found specification of procedure snd_pcm_lib_malloc_pages [2022-11-21 13:56:35,409 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_pcm_lib_malloc_pages [2022-11-21 13:56:35,409 INFO L130 BoogieDeclarations]: Found specification of procedure snd_cs46xx_playback_close [2022-11-21 13:56:35,409 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_cs46xx_playback_close [2022-11-21 13:56:35,409 INFO L130 BoogieDeclarations]: Found specification of procedure amp_voyetra [2022-11-21 13:56:35,410 INFO L138 BoogieDeclarations]: Found implementation of procedure amp_voyetra [2022-11-21 13:56:35,410 INFO L130 BoogieDeclarations]: Found specification of procedure get_segment_desc [2022-11-21 13:56:35,410 INFO L138 BoogieDeclarations]: Found implementation of procedure get_segment_desc [2022-11-21 13:56:35,410 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-11-21 13:56:35,410 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-11-21 13:56:35,410 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-11-21 13:56:35,410 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-11-21 13:56:35,411 INFO L130 BoogieDeclarations]: Found specification of procedure _dsp_create_task_tree [2022-11-21 13:56:35,411 INFO L138 BoogieDeclarations]: Found implementation of procedure _dsp_create_task_tree [2022-11-21 13:56:35,411 INFO L130 BoogieDeclarations]: Found specification of procedure snd_cs46xx_playback_hw_free [2022-11-21 13:56:35,411 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_cs46xx_playback_hw_free [2022-11-21 13:56:35,411 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-21 13:56:35,411 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-21 13:56:35,411 INFO L130 BoogieDeclarations]: Found specification of procedure kcalloc [2022-11-21 13:56:35,412 INFO L138 BoogieDeclarations]: Found implementation of procedure kcalloc [2022-11-21 13:56:35,412 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-21 13:56:35,412 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-21 13:56:35,412 INFO L130 BoogieDeclarations]: Found specification of procedure free_module_desc [2022-11-21 13:56:35,412 INFO L138 BoogieDeclarations]: Found implementation of procedure free_module_desc [2022-11-21 13:56:35,412 INFO L130 BoogieDeclarations]: Found specification of procedure snd_pcm_new [2022-11-21 13:56:35,412 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_pcm_new [2022-11-21 13:56:35,412 INFO L130 BoogieDeclarations]: Found specification of procedure _dsp_create_generic_scb [2022-11-21 13:56:35,413 INFO L138 BoogieDeclarations]: Found implementation of procedure _dsp_create_generic_scb [2022-11-21 13:56:35,413 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2022-11-21 13:56:35,413 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2022-11-21 13:56:35,413 INFO L130 BoogieDeclarations]: Found specification of procedure snd_cs46xx_suspend [2022-11-21 13:56:35,413 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_cs46xx_suspend [2022-11-21 13:56:35,413 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-21 13:56:35,413 INFO L130 BoogieDeclarations]: Found specification of procedure snd_dma_alloc_pages [2022-11-21 13:56:35,414 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_dma_alloc_pages [2022-11-21 13:56:35,414 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2022-11-21 13:56:35,414 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2022-11-21 13:56:35,414 INFO L130 BoogieDeclarations]: Found specification of procedure snd_cs46xx_capture_prepare [2022-11-21 13:56:35,414 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_cs46xx_capture_prepare [2022-11-21 13:56:35,414 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-21 13:56:35,414 INFO L130 BoogieDeclarations]: Found specification of procedure cs46xx_dsp_destroy_pcm_channel [2022-11-21 13:56:35,415 INFO L138 BoogieDeclarations]: Found implementation of procedure cs46xx_dsp_destroy_pcm_channel [2022-11-21 13:56:35,415 INFO L130 BoogieDeclarations]: Found specification of procedure snd_cs46xx_midi_input_trigger [2022-11-21 13:56:35,415 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_cs46xx_midi_input_trigger [2022-11-21 13:56:35,415 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2022-11-21 13:56:35,415 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2022-11-21 13:56:35,415 INFO L130 BoogieDeclarations]: Found specification of procedure snd_cs46xx_reset [2022-11-21 13:56:35,415 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_cs46xx_reset [2022-11-21 13:56:35,416 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-21 13:56:35,416 INFO L130 BoogieDeclarations]: Found specification of procedure snd_cs46xx_midi_output_close [2022-11-21 13:56:35,416 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_cs46xx_midi_output_close [2022-11-21 13:56:35,416 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-11-21 13:56:35,416 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-11-21 13:56:35,416 INFO L130 BoogieDeclarations]: Found specification of procedure snd_ac97_resume [2022-11-21 13:56:35,416 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_ac97_resume [2022-11-21 13:56:35,417 INFO L130 BoogieDeclarations]: Found specification of procedure snd_ac97_suspend [2022-11-21 13:56:35,417 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_ac97_suspend [2022-11-21 13:56:35,417 INFO L130 BoogieDeclarations]: Found specification of procedure snd_cs46xx_playback_open_rear [2022-11-21 13:56:35,417 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_cs46xx_playback_open_rear [2022-11-21 13:56:35,417 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2022-11-21 13:56:35,417 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2022-11-21 13:56:35,418 INFO L130 BoogieDeclarations]: Found specification of procedure snd_cs46xx_ac97_write [2022-11-21 13:56:35,418 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_cs46xx_ac97_write [2022-11-21 13:56:35,418 INFO L130 BoogieDeclarations]: Found specification of procedure release_firmware [2022-11-21 13:56:35,418 INFO L138 BoogieDeclarations]: Found implementation of procedure release_firmware [2022-11-21 13:56:35,421 INFO L130 BoogieDeclarations]: Found specification of procedure cs46xx_enable_stream_irqs [2022-11-21 13:56:35,422 INFO L138 BoogieDeclarations]: Found implementation of procedure cs46xx_enable_stream_irqs [2022-11-21 13:56:35,422 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-11-21 13:56:35,423 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-11-21 13:56:35,423 INFO L130 BoogieDeclarations]: Found specification of procedure snd_cs46xx_codec_read [2022-11-21 13:56:35,424 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_cs46xx_codec_read [2022-11-21 13:56:35,428 INFO L130 BoogieDeclarations]: Found specification of procedure snd_rawmidi_set_ops [2022-11-21 13:56:35,428 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_rawmidi_set_ops [2022-11-21 13:56:35,428 INFO L130 BoogieDeclarations]: Found specification of procedure snd_ctl_new1 [2022-11-21 13:56:35,428 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_ctl_new1 [2022-11-21 13:56:35,429 INFO L130 BoogieDeclarations]: Found specification of procedure cs46xx_dsp_create_asynch_fg_tx_scb [2022-11-21 13:56:35,429 INFO L138 BoogieDeclarations]: Found implementation of procedure cs46xx_dsp_create_asynch_fg_tx_scb [2022-11-21 13:56:35,429 INFO L130 BoogieDeclarations]: Found specification of procedure snd_pcm_format_width [2022-11-21 13:56:35,429 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_pcm_format_width [2022-11-21 13:56:35,429 INFO L130 BoogieDeclarations]: Found specification of procedure snd_cs46xx_playback_direct_pointer [2022-11-21 13:56:35,429 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_cs46xx_playback_direct_pointer [2022-11-21 13:56:35,429 INFO L130 BoogieDeclarations]: Found specification of procedure cs46xx_dsp_spos_update_scb [2022-11-21 13:56:35,429 INFO L138 BoogieDeclarations]: Found implementation of procedure cs46xx_dsp_spos_update_scb [2022-11-21 13:56:35,429 INFO L130 BoogieDeclarations]: Found specification of procedure snd_cs46xx_midi_output_open [2022-11-21 13:56:35,429 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_cs46xx_midi_output_open [2022-11-21 13:56:35,430 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~VOID [2022-11-21 13:56:35,430 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~VOID [2022-11-21 13:56:35,430 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-21 13:56:35,430 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-21 13:56:35,430 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-21 13:56:35,430 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2022-11-21 13:56:35,430 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2022-11-21 13:56:35,430 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-21 13:56:35,430 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-21 13:56:35,430 INFO L130 BoogieDeclarations]: Found specification of procedure cs46xx_dsp_spos_destroy [2022-11-21 13:56:35,431 INFO L138 BoogieDeclarations]: Found implementation of procedure cs46xx_dsp_spos_destroy [2022-11-21 13:56:35,431 INFO L130 BoogieDeclarations]: Found specification of procedure cs46xx_dsp_create_pcm_channel [2022-11-21 13:56:35,431 INFO L138 BoogieDeclarations]: Found implementation of procedure cs46xx_dsp_create_pcm_channel [2022-11-21 13:56:35,431 INFO L130 BoogieDeclarations]: Found specification of procedure cs46xx_dsp_create_task_tree [2022-11-21 13:56:35,431 INFO L138 BoogieDeclarations]: Found implementation of procedure cs46xx_dsp_create_task_tree [2022-11-21 13:56:35,431 INFO L130 BoogieDeclarations]: Found specification of procedure snd_cs46xx_midi_output_trigger [2022-11-21 13:56:35,431 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_cs46xx_midi_output_trigger [2022-11-21 13:56:35,431 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2022-11-21 13:56:35,431 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2022-11-21 13:56:35,431 INFO L130 BoogieDeclarations]: Found specification of procedure frames_to_bytes [2022-11-21 13:56:35,432 INFO L138 BoogieDeclarations]: Found implementation of procedure frames_to_bytes [2022-11-21 13:56:35,432 INFO L130 BoogieDeclarations]: Found specification of procedure snd_cs46xx_chip_init [2022-11-21 13:56:35,432 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_cs46xx_chip_init [2022-11-21 13:56:35,432 INFO L130 BoogieDeclarations]: Found specification of procedure snd_pcm_lib_free_pages [2022-11-21 13:56:35,432 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_pcm_lib_free_pages [2022-11-21 13:56:35,432 INFO L130 BoogieDeclarations]: Found specification of procedure snd_cs46xx_peekBA0 [2022-11-21 13:56:35,432 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_cs46xx_peekBA0 [2022-11-21 13:56:35,432 INFO L130 BoogieDeclarations]: Found specification of procedure snd_pcm_lib_ioctl [2022-11-21 13:56:35,432 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_pcm_lib_ioctl [2022-11-21 13:56:35,432 INFO L130 BoogieDeclarations]: Found specification of procedure _wrap_all_bits [2022-11-21 13:56:35,433 INFO L138 BoogieDeclarations]: Found implementation of procedure _wrap_all_bits [2022-11-21 13:56:35,433 INFO L130 BoogieDeclarations]: Found specification of procedure snd_cs46xx_poke [2022-11-21 13:56:35,433 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_cs46xx_poke [2022-11-21 13:56:35,433 INFO L130 BoogieDeclarations]: Found specification of procedure dsp_load_sample [2022-11-21 13:56:35,433 INFO L138 BoogieDeclarations]: Found implementation of procedure dsp_load_sample [2022-11-21 13:56:35,433 INFO L130 BoogieDeclarations]: Found specification of procedure snd_cs46xx_playback_open [2022-11-21 13:56:35,433 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_cs46xx_playback_open [2022-11-21 13:56:35,433 INFO L130 BoogieDeclarations]: Found specification of procedure cs46xx_dsp_create_scb [2022-11-21 13:56:35,433 INFO L138 BoogieDeclarations]: Found implementation of procedure cs46xx_dsp_create_scb [2022-11-21 13:56:35,433 INFO L130 BoogieDeclarations]: Found specification of procedure cs46xx_dsp_lookup_symbol [2022-11-21 13:56:35,434 INFO L138 BoogieDeclarations]: Found implementation of procedure cs46xx_dsp_lookup_symbol [2022-11-21 13:56:35,434 INFO L130 BoogieDeclarations]: Found specification of procedure snd_cs46xx_capture_transfer [2022-11-21 13:56:35,434 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_cs46xx_capture_transfer [2022-11-21 13:56:35,434 INFO L130 BoogieDeclarations]: Found specification of procedure cs46xx_wait_for_fifo [2022-11-21 13:56:35,434 INFO L138 BoogieDeclarations]: Found implementation of procedure cs46xx_wait_for_fifo [2022-11-21 13:56:35,434 INFO L130 BoogieDeclarations]: Found specification of procedure snd_cs46xx_download [2022-11-21 13:56:35,434 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_cs46xx_download [2022-11-21 13:56:35,434 INFO L130 BoogieDeclarations]: Found specification of procedure snd_cs46xx_capture_hw_params [2022-11-21 13:56:35,434 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_cs46xx_capture_hw_params [2022-11-21 13:56:35,434 INFO L130 BoogieDeclarations]: Found specification of procedure cs46xx_dsp_remove_scb [2022-11-21 13:56:35,435 INFO L138 BoogieDeclarations]: Found implementation of procedure cs46xx_dsp_remove_scb [2022-11-21 13:56:35,435 INFO L130 BoogieDeclarations]: Found specification of procedure cs46xx_dsp_enable_spdif_hw [2022-11-21 13:56:35,435 INFO L138 BoogieDeclarations]: Found implementation of procedure cs46xx_dsp_enable_spdif_hw [2022-11-21 13:56:35,435 INFO L130 BoogieDeclarations]: Found specification of procedure snd_card_free [2022-11-21 13:56:35,435 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_card_free [2022-11-21 13:56:35,435 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2022-11-21 13:56:35,435 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2022-11-21 13:56:35,435 INFO L130 BoogieDeclarations]: Found specification of procedure snd_cs46xx_midi_input_close [2022-11-21 13:56:35,435 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_cs46xx_midi_input_close [2022-11-21 13:56:35,435 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-11-21 13:56:35,435 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-11-21 13:56:35,436 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2022-11-21 13:56:35,436 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2022-11-21 13:56:35,436 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-21 13:56:35,436 INFO L130 BoogieDeclarations]: Found specification of procedure _dsp_unlink_scb [2022-11-21 13:56:35,436 INFO L138 BoogieDeclarations]: Found implementation of procedure _dsp_unlink_scb [2022-11-21 13:56:35,436 INFO L130 BoogieDeclarations]: Found specification of procedure snd_info_register [2022-11-21 13:56:35,436 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_info_register [2022-11-21 13:56:37,008 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 13:56:37,019 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 13:56:46,114 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-21 14:03:02,817 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 14:03:02,855 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 14:03:02,856 INFO L300 CfgBuilder]: Removed 7 assume(true) statements. [2022-11-21 14:03:02,865 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 02:03:02 BoogieIcfgContainer [2022-11-21 14:03:02,865 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-21 14:03:02,869 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-21 14:03:02,869 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-21 14:03:02,872 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-21 14:03:02,872 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 01:56:28" (1/3) ... [2022-11-21 14:03:02,874 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56d87c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 02:03:02, skipping insertion in model container [2022-11-21 14:03:02,874 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:56:33" (2/3) ... [2022-11-21 14:03:02,875 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56d87c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 02:03:02, skipping insertion in model container [2022-11-21 14:03:02,875 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 02:03:02" (3/3) ... [2022-11-21 14:03:02,877 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 [2022-11-21 14:03:02,897 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-21 14:03:02,897 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-21 14:03:03,047 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-21 14:03:03,055 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;@e5eac89, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-21 14:03:03,055 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-21 14:03:03,076 INFO L276 IsEmpty]: Start isEmpty. Operand has 4165 states, 2871 states have (on average 1.4009056078021596) internal successors, (4022), 2977 states have internal predecessors, (4022), 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) [2022-11-21 14:03:03,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-11-21 14:03:03,094 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 14:03:03,099 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] [2022-11-21 14:03:03,099 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 14:03:03,107 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 14:03:03,107 INFO L85 PathProgramCache]: Analyzing trace with hash -574074089, now seen corresponding path program 1 times [2022-11-21 14:03:03,118 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 14:03:03,118 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [260423808] [2022-11-21 14:03:03,118 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 14:03:03,119 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 14:03:03,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:03:04,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 14:03:04,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:03:04,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-21 14:03:04,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:03:04,307 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 14:03:04,311 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 14:03:04,313 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [260423808] [2022-11-21 14:03:04,314 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [260423808] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 14:03:04,314 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 14:03:04,315 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-21 14:03:04,316 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [672562443] [2022-11-21 14:03:04,319 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 14:03:04,346 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-21 14:03:04,348 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 14:03:04,394 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-21 14:03:04,395 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-21 14:03:04,407 INFO L87 Difference]: Start difference. First operand has 4165 states, 2871 states have (on average 1.4009056078021596) internal successors, (4022), 2977 states have internal predecessors, (4022), 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) [2022-11-21 14:03:09,451 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 [] [2022-11-21 14:03:13,957 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 14:03:16,167 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 14:03:21,782 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 14:03:24,250 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.59s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 14:03:28,329 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 14:03:33,303 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-21 14:03:35,406 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-21 14:03:39,509 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 14:03:47,019 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.57s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 14:03:50,295 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 14:03:52,972 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 14:03:58,505 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 14:04:00,923 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 14:04:03,378 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.26s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 14:04:05,244 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.24s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 14:04:08,047 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 14:04:10,190 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 14:04:12,284 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 14:04:14,461 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 14:04:16,191 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.54s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 14:04:17,498 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.31s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 14:04:19,280 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.78s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 14:04:21,406 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 14:04:23,468 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 14:04:26,140 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 14:04:29,138 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.97s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 14:04:31,303 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 14:04:33,948 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 14:04:36,309 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 [] [2022-11-21 14:04:36,400 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 14:04:36,400 INFO L93 Difference]: Finished difference Result 11991 states and 18920 transitions. [2022-11-21 14:04:36,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-21 14:04:36,404 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 [2022-11-21 14:04:36,404 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 14:04:36,488 INFO L225 Difference]: With dead ends: 11991 [2022-11-21 14:04:36,488 INFO L226 Difference]: Without dead ends: 7778 [2022-11-21 14:04:36,527 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-21 14:04:36,534 INFO L413 NwaCegarLoop]: 5986 mSDtfsCounter, 5990 mSDsluCounter, 7296 mSDsCounter, 0 mSdLazyCounter, 5553 mSolverCounterSat, 2732 mSolverCounterUnsat, 23 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 87.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6743 SdHoareTripleChecker+Valid, 13282 SdHoareTripleChecker+Invalid, 8308 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 2732 IncrementalHoareTripleChecker+Valid, 5553 IncrementalHoareTripleChecker+Invalid, 23 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 90.6s IncrementalHoareTripleChecker+Time [2022-11-21 14:04:36,534 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6743 Valid, 13282 Invalid, 8308 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [2732 Valid, 5553 Invalid, 23 Unknown, 0 Unchecked, 90.6s Time] [2022-11-21 14:04:36,565 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7778 states. [2022-11-21 14:04:37,077 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7778 to 7239. [2022-11-21 14:04:37,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7239 states, 5001 states have (on average 1.3957208558288343) internal successors, (6980), 5150 states have internal predecessors, (6980), 1945 states have call successors, (1945), 291 states have call predecessors, (1945), 292 states have return successors, (1959), 1928 states have call predecessors, (1959), 1943 states have call successors, (1959) [2022-11-21 14:04:37,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7239 states to 7239 states and 10884 transitions. [2022-11-21 14:04:37,159 INFO L78 Accepts]: Start accepts. Automaton has 7239 states and 10884 transitions. Word has length 33 [2022-11-21 14:04:37,159 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 14:04:37,159 INFO L495 AbstractCegarLoop]: Abstraction has 7239 states and 10884 transitions. [2022-11-21 14:04:37,160 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) [2022-11-21 14:04:37,160 INFO L276 IsEmpty]: Start isEmpty. Operand 7239 states and 10884 transitions. [2022-11-21 14:04:37,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-11-21 14:04:37,178 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 14:04:37,178 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] [2022-11-21 14:04:37,179 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-21 14:04:37,179 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 14:04:37,180 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 14:04:37,180 INFO L85 PathProgramCache]: Analyzing trace with hash -1626851210, now seen corresponding path program 1 times [2022-11-21 14:04:37,180 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 14:04:37,180 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1934602023] [2022-11-21 14:04:37,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 14:04:37,181 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 14:04:37,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:04:37,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 14:04:37,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:04:37,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-11-21 14:04:37,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:04:37,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-21 14:04:37,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:04:37,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-11-21 14:04:37,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:04:37,929 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-21 14:04:37,929 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 14:04:37,929 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1934602023] [2022-11-21 14:04:37,930 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1934602023] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 14:04:37,930 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 14:04:37,930 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-21 14:04:37,930 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1706057797] [2022-11-21 14:04:37,930 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 14:04:37,932 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-21 14:04:37,932 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 14:04:37,933 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-21 14:04:37,933 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-21 14:04:37,933 INFO L87 Difference]: Start difference. First operand 7239 states and 10884 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) [2022-11-21 14:04:43,464 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 [] [2022-11-21 14:04:47,757 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 14:04:49,230 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.26s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 14:04:51,249 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 14:04:55,732 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 14:05:00,868 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 14:05:05,375 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-21 14:05:07,493 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-21 14:05:13,383 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 14:05:15,391 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 14:05:19,322 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 14:05:21,953 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.28s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 14:05:23,963 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 14:05:31,380 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 14:05:40,286 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.93s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 14:05:42,735 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 14:05:45,189 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 14:05:47,535 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 14:05:50,467 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 14:05:52,863 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 14:05:55,101 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 14:05:57,243 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 14:05:59,450 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 14:06:01,636 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 14:06:03,766 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 14:06:06,170 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 14:06:09,637 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 14:06:11,971 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 14:06:15,102 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 14:06:17,624 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 [] [2022-11-21 14:06:17,853 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 14:06:17,853 INFO L93 Difference]: Finished difference Result 22594 states and 34582 transitions. [2022-11-21 14:06:17,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-21 14:06:17,854 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 [2022-11-21 14:06:17,854 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 14:06:18,020 INFO L225 Difference]: With dead ends: 22594 [2022-11-21 14:06:18,020 INFO L226 Difference]: Without dead ends: 15360 [2022-11-21 14:06:18,087 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 [2022-11-21 14:06:18,088 INFO L413 NwaCegarLoop]: 6476 mSDtfsCounter, 7267 mSDsluCounter, 7370 mSDsCounter, 0 mSdLazyCounter, 5840 mSolverCounterSat, 2973 mSolverCounterUnsat, 27 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 95.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8209 SdHoareTripleChecker+Valid, 13846 SdHoareTripleChecker+Invalid, 8840 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 2973 IncrementalHoareTripleChecker+Valid, 5840 IncrementalHoareTripleChecker+Invalid, 27 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 98.8s IncrementalHoareTripleChecker+Time [2022-11-21 14:06:18,088 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8209 Valid, 13846 Invalid, 8840 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [2973 Valid, 5840 Invalid, 27 Unknown, 0 Unchecked, 98.8s Time] [2022-11-21 14:06:18,112 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15360 states. [2022-11-21 14:06:19,428 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15360 to 14285. [2022-11-21 14:06:19,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14285 states, 9867 states have (on average 1.3954596128509171) internal successors, (13769), 10165 states have internal predecessors, (13769), 3838 states have call successors, (3838), 576 states have call predecessors, (3838), 579 states have return successors, (3871), 3805 states have call predecessors, (3871), 3836 states have call successors, (3871) [2022-11-21 14:06:19,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14285 states to 14285 states and 21478 transitions. [2022-11-21 14:06:19,566 INFO L78 Accepts]: Start accepts. Automaton has 14285 states and 21478 transitions. Word has length 55 [2022-11-21 14:06:19,567 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 14:06:19,567 INFO L495 AbstractCegarLoop]: Abstraction has 14285 states and 21478 transitions. [2022-11-21 14:06:19,569 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) [2022-11-21 14:06:19,569 INFO L276 IsEmpty]: Start isEmpty. Operand 14285 states and 21478 transitions. [2022-11-21 14:06:19,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2022-11-21 14:06:19,579 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 14:06:19,580 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] [2022-11-21 14:06:19,580 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-21 14:06:19,580 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 14:06:19,581 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 14:06:19,582 INFO L85 PathProgramCache]: Analyzing trace with hash 1405085186, now seen corresponding path program 1 times [2022-11-21 14:06:19,582 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 14:06:19,582 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1412255380] [2022-11-21 14:06:19,582 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 14:06:19,583 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 14:06:19,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:06:20,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 14:06:20,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:06:20,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-21 14:06:20,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:06:20,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-11-21 14:06:20,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:06:20,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-11-21 14:06:20,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:06:20,369 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-21 14:06:20,369 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 14:06:20,369 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1412255380] [2022-11-21 14:06:20,369 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1412255380] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 14:06:20,370 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 14:06:20,370 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-21 14:06:20,370 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [645486925] [2022-11-21 14:06:20,370 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 14:06:20,371 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-21 14:06:20,371 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 14:06:20,372 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-21 14:06:20,372 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-21 14:06:20,372 INFO L87 Difference]: Start difference. First operand 14285 states and 21478 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) [2022-11-21 14:06:23,837 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 14:06:25,852 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 14:06:29,736 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 14:06:32,264 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 14:06:38,213 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 14:06:40,456 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 14:06:43,782 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 14:06:49,554 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-21 14:06:51,680 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-21 14:06:57,335 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 14:07:04,004 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 14:07:06,872 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 14:07:11,214 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 14:07:14,142 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 14:07:16,628 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 14:07:22,744 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.75s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 14:07:24,440 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 14:07:26,141 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.36s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 14:07:29,009 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 14:07:31,137 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 14:07:33,269 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 14:07:35,457 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 14:07:38,072 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 14:07:40,170 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 14:07:42,337 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 14:07:44,432 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 14:07:46,507 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 14:07:48,541 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 14:07:50,633 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 14:07:52,820 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 14:07:54,969 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 14:07:56,975 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 14:07:59,086 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 14:08:01,115 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 14:08:03,351 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 14:08:05,386 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 14:08:08,517 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.75s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 14:08:10,549 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 14:08:12,749 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 14:08:14,780 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 14:08:17,780 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 14:08:19,815 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 14:08:22,197 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 14:08:24,234 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 [] [2022-11-21 14:08:24,404 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 14:08:24,404 INFO L93 Difference]: Finished difference Result 44676 states and 68337 transitions. [2022-11-21 14:08:24,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-21 14:08:24,405 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 [2022-11-21 14:08:24,405 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 14:08:24,637 INFO L225 Difference]: With dead ends: 44676 [2022-11-21 14:08:24,637 INFO L226 Difference]: Without dead ends: 30396 [2022-11-21 14:08:24,723 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 [2022-11-21 14:08:24,724 INFO L413 NwaCegarLoop]: 6685 mSDtfsCounter, 7245 mSDsluCounter, 7485 mSDsCounter, 0 mSdLazyCounter, 5877 mSolverCounterSat, 2901 mSolverCounterUnsat, 38 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 119.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8192 SdHoareTripleChecker+Valid, 14170 SdHoareTripleChecker+Invalid, 8816 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2901 IncrementalHoareTripleChecker+Valid, 5877 IncrementalHoareTripleChecker+Invalid, 38 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 122.4s IncrementalHoareTripleChecker+Time [2022-11-21 14:08:24,724 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8192 Valid, 14170 Invalid, 8816 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2901 Valid, 5877 Invalid, 38 Unknown, 0 Unchecked, 122.4s Time] [2022-11-21 14:08:24,763 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30396 states. [2022-11-21 14:08:26,979 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30396 to 28258. [2022-11-21 14:08:27,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28258 states, 19515 states have (on average 1.3946707660773763) internal successors, (27217), 20109 states have internal predecessors, (27217), 7590 states have call successors, (7590), 1147 states have call predecessors, (7590), 1152 states have return successors, (7661), 7525 states have call predecessors, (7661), 7588 states have call successors, (7661) [2022-11-21 14:08:27,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28258 states to 28258 states and 42468 transitions. [2022-11-21 14:08:27,247 INFO L78 Accepts]: Start accepts. Automaton has 28258 states and 42468 transitions. Word has length 56 [2022-11-21 14:08:27,248 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 14:08:27,248 INFO L495 AbstractCegarLoop]: Abstraction has 28258 states and 42468 transitions. [2022-11-21 14:08:27,248 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) [2022-11-21 14:08:27,248 INFO L276 IsEmpty]: Start isEmpty. Operand 28258 states and 42468 transitions. [2022-11-21 14:08:27,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2022-11-21 14:08:27,256 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 14:08:27,257 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] [2022-11-21 14:08:27,257 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-21 14:08:27,257 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 14:08:27,258 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 14:08:27,258 INFO L85 PathProgramCache]: Analyzing trace with hash -1239277140, now seen corresponding path program 1 times [2022-11-21 14:08:27,258 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 14:08:27,259 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1176554754] [2022-11-21 14:08:27,259 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 14:08:27,259 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 14:08:27,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:08:28,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-21 14:08:28,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:08:28,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-11-21 14:08:28,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:08:28,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-11-21 14:08:28,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:08:28,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-11-21 14:08:28,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 14:08:28,292 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-21 14:08:28,292 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 14:08:28,293 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1176554754] [2022-11-21 14:08:28,293 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1176554754] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 14:08:28,293 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 14:08:28,293 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-21 14:08:28,294 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1272280362] [2022-11-21 14:08:28,294 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 14:08:28,294 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-21 14:08:28,295 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 14:08:28,295 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-21 14:08:28,295 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-21 14:08:28,296 INFO L87 Difference]: Start difference. First operand 28258 states and 42468 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) [2022-11-21 14:08:34,041 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 [] [2022-11-21 14:08:38,148 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 14:08:39,447 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 14:08:41,460 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 14:08:47,577 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 14:08:50,385 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.43s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 14:08:54,129 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 14:09:01,145 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-21 14:09:03,270 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-21 14:09:06,445 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 14:09:08,453 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 14:09:12,838 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.22s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 14:09:14,853 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 14:09:18,218 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 14:09:21,014 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 14:09:23,888 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 14:09:29,747 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 14:09:32,148 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 14:09:39,958 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.26s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 14:09:41,226 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 14:09:42,889 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.28s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 14:09:45,529 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 14:09:47,752 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 14:09:49,798 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 14:09:52,013 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 14:09:54,767 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 14:09:56,863 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 14:09:59,377 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 14:10:01,600 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.19s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 14:10:03,724 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 14:10:05,769 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 14:10:07,896 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 14:10:09,389 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.37s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 14:10:11,400 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 14:10:13,410 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 14:10:15,418 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 14:10:17,642 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 14:10:19,654 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 14:10:21,799 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 14:10:23,825 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 14:10:26,159 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 14:10:28,189 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 14:10:31,760 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 14:10:33,785 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 14:10:35,985 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 14:10:38,013 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 14:10:41,106 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 14:10:43,203 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 14:10:45,097 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.45s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-21 14:10:47,141 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 [] [2022-11-21 14:10:47,314 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 14:10:47,314 INFO L93 Difference]: Finished difference Result 88387 states and 134991 transitions. [2022-11-21 14:10:47,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-21 14:10:47,315 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 [2022-11-21 14:10:47,316 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 14:10:47,936 INFO L225 Difference]: With dead ends: 88387 [2022-11-21 14:10:47,937 INFO L226 Difference]: Without dead ends: 60134 [2022-11-21 14:10:48,098 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 [2022-11-21 14:10:48,101 INFO L413 NwaCegarLoop]: 7311 mSDtfsCounter, 7138 mSDsluCounter, 7823 mSDsCounter, 0 mSdLazyCounter, 6099 mSolverCounterSat, 2742 mSolverCounterUnsat, 41 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 132.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8081 SdHoareTripleChecker+Valid, 15134 SdHoareTripleChecker+Invalid, 8882 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2742 IncrementalHoareTripleChecker+Valid, 6099 IncrementalHoareTripleChecker+Invalid, 41 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 136.3s IncrementalHoareTripleChecker+Time [2022-11-21 14:10:48,102 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8081 Valid, 15134 Invalid, 8882 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2742 Valid, 6099 Invalid, 41 Unknown, 0 Unchecked, 136.3s Time] [2022-11-21 14:10:48,162 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60134 states.