./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_bitvector_linux-3.16-rc1.tar.xz-43_2a-drivers--block--skd.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5e519f3a 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_7895ebc4-5ecf-4b46-8c38-2ddddd84a663/bin/uautomizer-Dbtcem3rbc/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7895ebc4-5ecf-4b46-8c38-2ddddd84a663/bin/uautomizer-Dbtcem3rbc/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7895ebc4-5ecf-4b46-8c38-2ddddd84a663/bin/uautomizer-Dbtcem3rbc/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7895ebc4-5ecf-4b46-8c38-2ddddd84a663/bin/uautomizer-Dbtcem3rbc/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_bitvector_linux-3.16-rc1.tar.xz-43_2a-drivers--block--skd.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7895ebc4-5ecf-4b46-8c38-2ddddd84a663/bin/uautomizer-Dbtcem3rbc/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7895ebc4-5ecf-4b46-8c38-2ddddd84a663/bin/uautomizer-Dbtcem3rbc --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 4bbc89768c1756f5fd8f2614e188ba9760b890a82deece54a04c4b385a5749d3 --- 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-5e519f3 [2022-11-02 20:57:16,742 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-02 20:57:16,744 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-02 20:57:16,798 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-02 20:57:16,799 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-02 20:57:16,803 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-02 20:57:16,806 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-02 20:57:16,810 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-02 20:57:16,813 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-02 20:57:16,821 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-02 20:57:16,822 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-02 20:57:16,823 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-02 20:57:16,824 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-02 20:57:16,827 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-02 20:57:16,828 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-02 20:57:16,830 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-02 20:57:16,831 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-02 20:57:16,832 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-02 20:57:16,833 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-02 20:57:16,835 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-02 20:57:16,836 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-02 20:57:16,838 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-02 20:57:16,839 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-02 20:57:16,843 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-02 20:57:16,847 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-02 20:57:16,850 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-02 20:57:16,851 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-02 20:57:16,852 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-02 20:57:16,853 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-02 20:57:16,855 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-02 20:57:16,855 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-02 20:57:16,856 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-02 20:57:16,858 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-02 20:57:16,860 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-02 20:57:16,861 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-02 20:57:16,861 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-02 20:57:16,862 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-02 20:57:16,862 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-02 20:57:16,863 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-02 20:57:16,864 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-02 20:57:16,864 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-02 20:57:16,865 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7895ebc4-5ecf-4b46-8c38-2ddddd84a663/bin/uautomizer-Dbtcem3rbc/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-11-02 20:57:16,896 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-02 20:57:16,896 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-02 20:57:16,897 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-02 20:57:16,897 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-02 20:57:16,899 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-02 20:57:16,899 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-02 20:57:16,900 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-02 20:57:16,900 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-02 20:57:16,900 INFO L138 SettingsManager]: * Use SBE=true [2022-11-02 20:57:16,900 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-02 20:57:16,902 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-02 20:57:16,902 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-02 20:57:16,902 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-02 20:57:16,902 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-02 20:57:16,903 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-02 20:57:16,903 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-02 20:57:16,903 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-02 20:57:16,903 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-02 20:57:16,903 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-02 20:57:16,904 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-02 20:57:16,904 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-02 20:57:16,904 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-02 20:57:16,904 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-02 20:57:16,904 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-02 20:57:16,905 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-02 20:57:16,905 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-02 20:57:16,905 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-02 20:57:16,905 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-02 20:57:16,906 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-02 20:57:16,906 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-02 20:57:16,906 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_7895ebc4-5ecf-4b46-8c38-2ddddd84a663/bin/uautomizer-Dbtcem3rbc/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7895ebc4-5ecf-4b46-8c38-2ddddd84a663/bin/uautomizer-Dbtcem3rbc Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4bbc89768c1756f5fd8f2614e188ba9760b890a82deece54a04c4b385a5749d3 [2022-11-02 20:57:17,241 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-02 20:57:17,279 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-02 20:57:17,282 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-02 20:57:17,301 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-02 20:57:17,304 INFO L275 PluginConnector]: CDTParser initialized [2022-11-02 20:57:17,306 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7895ebc4-5ecf-4b46-8c38-2ddddd84a663/bin/uautomizer-Dbtcem3rbc/../../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_bitvector_linux-3.16-rc1.tar.xz-43_2a-drivers--block--skd.ko-entry_point.cil.out.i [2022-11-02 20:57:17,391 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7895ebc4-5ecf-4b46-8c38-2ddddd84a663/bin/uautomizer-Dbtcem3rbc/data/528cd5c79/6c0d6068c76d4dab9d4cbc330a376f99/FLAGfcd08689f [2022-11-02 20:57:18,423 INFO L306 CDTParser]: Found 1 translation units. [2022-11-02 20:57:18,424 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7895ebc4-5ecf-4b46-8c38-2ddddd84a663/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_bitvector_linux-3.16-rc1.tar.xz-43_2a-drivers--block--skd.ko-entry_point.cil.out.i [2022-11-02 20:57:18,478 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7895ebc4-5ecf-4b46-8c38-2ddddd84a663/bin/uautomizer-Dbtcem3rbc/data/528cd5c79/6c0d6068c76d4dab9d4cbc330a376f99/FLAGfcd08689f [2022-11-02 20:57:18,891 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7895ebc4-5ecf-4b46-8c38-2ddddd84a663/bin/uautomizer-Dbtcem3rbc/data/528cd5c79/6c0d6068c76d4dab9d4cbc330a376f99 [2022-11-02 20:57:18,893 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-02 20:57:18,895 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-02 20:57:18,896 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-02 20:57:18,897 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-02 20:57:18,900 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-02 20:57:18,901 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:57:18" (1/1) ... [2022-11-02 20:57:18,902 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4c9aad9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:57:18, skipping insertion in model container [2022-11-02 20:57:18,902 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:57:18" (1/1) ... [2022-11-02 20:57:18,910 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-02 20:57:19,107 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-02 20:57:19,745 WARN L1244 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [4296] [2022-11-02 20:57:19,745 WARN L1244 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [4297-4298] [2022-11-02 20:57:20,350 WARN L230 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_7895ebc4-5ecf-4b46-8c38-2ddddd84a663/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_bitvector_linux-3.16-rc1.tar.xz-43_2a-drivers--block--skd.ko-entry_point.cil.out.i[135082,135095] [2022-11-02 20:57:22,547 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 20:57:22,584 INFO L203 MainTranslator]: Completed pre-run [2022-11-02 20:57:22,714 WARN L1244 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [4296] [2022-11-02 20:57:22,714 WARN L1244 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [4297-4298] [2022-11-02 20:57:22,727 WARN L230 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_7895ebc4-5ecf-4b46-8c38-2ddddd84a663/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_bitvector_linux-3.16-rc1.tar.xz-43_2a-drivers--block--skd.ko-entry_point.cil.out.i[135082,135095] [2022-11-02 20:57:23,210 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 20:57:23,301 INFO L208 MainTranslator]: Completed translation [2022-11-02 20:57:23,302 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:57:23 WrapperNode [2022-11-02 20:57:23,302 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-02 20:57:23,303 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-02 20:57:23,303 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-02 20:57:23,304 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-02 20:57:23,311 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:57:23" (1/1) ... [2022-11-02 20:57:23,520 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:57:23" (1/1) ... [2022-11-02 20:57:23,825 INFO L138 Inliner]: procedures = 362, calls = 6469, calls flagged for inlining = 182, calls inlined = 134, statements flattened = 9215 [2022-11-02 20:57:23,826 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-02 20:57:23,828 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-02 20:57:23,828 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-02 20:57:23,828 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-02 20:57:23,838 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:57:23" (1/1) ... [2022-11-02 20:57:23,838 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:57:23" (1/1) ... [2022-11-02 20:57:23,889 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:57:23" (1/1) ... [2022-11-02 20:57:23,890 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:57:23" (1/1) ... [2022-11-02 20:57:24,099 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:57:23" (1/1) ... [2022-11-02 20:57:24,128 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:57:23" (1/1) ... [2022-11-02 20:57:24,246 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:57:23" (1/1) ... [2022-11-02 20:57:24,266 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:57:23" (1/1) ... [2022-11-02 20:57:24,300 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-02 20:57:24,301 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-02 20:57:24,301 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-02 20:57:24,301 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-02 20:57:24,302 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:57:23" (1/1) ... [2022-11-02 20:57:24,308 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-02 20:57:24,318 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7895ebc4-5ecf-4b46-8c38-2ddddd84a663/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:57:24,332 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7895ebc4-5ecf-4b46-8c38-2ddddd84a663/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-02 20:57:24,358 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7895ebc4-5ecf-4b46-8c38-2ddddd84a663/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-02 20:57:24,379 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2022-11-02 20:57:24,380 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2022-11-02 20:57:24,380 INFO L130 BoogieDeclarations]: Found specification of procedure blk_stop_queue [2022-11-02 20:57:24,380 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_stop_queue [2022-11-02 20:57:24,380 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_pcie_error_reporting [2022-11-02 20:57:24,380 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_pcie_error_reporting [2022-11-02 20:57:24,380 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2022-11-02 20:57:24,381 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-02 20:57:24,381 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-02 20:57:24,381 INFO L130 BoogieDeclarations]: Found specification of procedure skd_skdev_state_to_str [2022-11-02 20:57:24,381 INFO L138 BoogieDeclarations]: Found implementation of procedure skd_skdev_state_to_str [2022-11-02 20:57:24,381 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-11-02 20:57:24,381 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-11-02 20:57:24,382 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-02 20:57:24,382 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-02 20:57:24,382 INFO L130 BoogieDeclarations]: Found specification of procedure skd_quiesce_dev [2022-11-02 20:57:24,382 INFO L138 BoogieDeclarations]: Found implementation of procedure skd_quiesce_dev [2022-11-02 20:57:24,382 INFO L130 BoogieDeclarations]: Found specification of procedure lowmem_page_address [2022-11-02 20:57:24,382 INFO L138 BoogieDeclarations]: Found implementation of procedure lowmem_page_address [2022-11-02 20:57:24,383 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2022-11-02 20:57:24,383 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2022-11-02 20:57:24,383 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2022-11-02 20:57:24,383 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2022-11-02 20:57:24,384 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-02 20:57:24,384 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-02 20:57:24,384 INFO L130 BoogieDeclarations]: Found specification of procedure skd_cons_sg_list [2022-11-02 20:57:24,385 INFO L138 BoogieDeclarations]: Found implementation of procedure skd_cons_sg_list [2022-11-02 20:57:24,385 INFO L130 BoogieDeclarations]: Found specification of procedure skd_start_device [2022-11-02 20:57:24,385 INFO L138 BoogieDeclarations]: Found implementation of procedure skd_start_device [2022-11-02 20:57:24,385 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_word [2022-11-02 20:57:24,385 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_word [2022-11-02 20:57:24,385 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-11-02 20:57:24,386 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-11-02 20:57:24,386 INFO L130 BoogieDeclarations]: Found specification of procedure skd_postop_sg_list [2022-11-02 20:57:24,386 INFO L138 BoogieDeclarations]: Found implementation of procedure skd_postop_sg_list [2022-11-02 20:57:24,387 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-11-02 20:57:24,387 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-11-02 20:57:24,387 INFO L130 BoogieDeclarations]: Found specification of procedure blk_rq_sectors [2022-11-02 20:57:24,387 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_rq_sectors [2022-11-02 20:57:24,387 INFO L130 BoogieDeclarations]: Found specification of procedure skd_log_skreq [2022-11-02 20:57:24,388 INFO L138 BoogieDeclarations]: Found implementation of procedure skd_log_skreq [2022-11-02 20:57:24,388 INFO L130 BoogieDeclarations]: Found specification of procedure queue_flag_set_unlocked [2022-11-02 20:57:24,388 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_flag_set_unlocked [2022-11-02 20:57:24,388 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_pcie_error_reporting [2022-11-02 20:57:24,388 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_pcie_error_reporting [2022-11-02 20:57:24,389 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-02 20:57:24,389 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-02 20:57:24,389 INFO L130 BoogieDeclarations]: Found specification of procedure skd_disable_interrupts [2022-11-02 20:57:24,389 INFO L138 BoogieDeclarations]: Found implementation of procedure skd_disable_interrupts [2022-11-02 20:57:24,390 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-02 20:57:24,390 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-02 20:57:24,390 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2022-11-02 20:57:24,391 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2022-11-02 20:57:24,392 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2022-11-02 20:57:24,392 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2022-11-02 20:57:24,392 INFO L130 BoogieDeclarations]: Found specification of procedure skd_pci_remove [2022-11-02 20:57:24,392 INFO L138 BoogieDeclarations]: Found implementation of procedure skd_pci_remove [2022-11-02 20:57:24,393 INFO L130 BoogieDeclarations]: Found specification of procedure skd_drive_fault [2022-11-02 20:57:24,393 INFO L138 BoogieDeclarations]: Found implementation of procedure skd_drive_fault [2022-11-02 20:57:24,393 INFO L130 BoogieDeclarations]: Found specification of procedure skd_isr_fwstate [2022-11-02 20:57:24,394 INFO L138 BoogieDeclarations]: Found implementation of procedure skd_isr_fwstate [2022-11-02 20:57:24,394 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_1 [2022-11-02 20:57:24,394 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_1 [2022-11-02 20:57:24,395 INFO L130 BoogieDeclarations]: Found specification of procedure blk_rq_pos [2022-11-02 20:57:24,395 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_rq_pos [2022-11-02 20:57:24,395 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-02 20:57:24,395 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-11-02 20:57:24,396 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-11-02 20:57:24,396 INFO L130 BoogieDeclarations]: Found specification of procedure skd_drive_disappeared [2022-11-02 20:57:24,396 INFO L138 BoogieDeclarations]: Found implementation of procedure skd_drive_disappeared [2022-11-02 20:57:24,396 INFO L130 BoogieDeclarations]: Found specification of procedure skd_sg_io_copy_buffer [2022-11-02 20:57:24,396 INFO L138 BoogieDeclarations]: Found implementation of procedure skd_sg_io_copy_buffer [2022-11-02 20:57:24,396 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2022-11-02 20:57:24,397 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2022-11-02 20:57:24,397 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_pages [2022-11-02 20:57:24,397 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_pages [2022-11-02 20:57:24,397 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-02 20:57:24,397 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-11-02 20:57:24,398 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-11-02 20:57:24,398 INFO L130 BoogieDeclarations]: Found specification of procedure skd_reg_write64 [2022-11-02 20:57:24,398 INFO L138 BoogieDeclarations]: Found implementation of procedure skd_reg_write64 [2022-11-02 20:57:24,398 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2022-11-02 20:57:24,399 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2022-11-02 20:57:24,399 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap [2022-11-02 20:57:24,399 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap [2022-11-02 20:57:24,399 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-11-02 20:57:24,400 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-11-02 20:57:24,400 INFO L130 BoogieDeclarations]: Found specification of procedure __free_pages [2022-11-02 20:57:24,400 INFO L138 BoogieDeclarations]: Found implementation of procedure __free_pages [2022-11-02 20:57:24,400 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-02 20:57:24,400 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2022-11-02 20:57:24,401 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2022-11-02 20:57:24,402 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-02 20:57:24,402 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2022-11-02 20:57:24,402 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2022-11-02 20:57:24,402 INFO L130 BoogieDeclarations]: Found specification of procedure strcat [2022-11-02 20:57:24,402 INFO L130 BoogieDeclarations]: Found specification of procedure __chk_range_not_ok [2022-11-02 20:57:24,403 INFO L138 BoogieDeclarations]: Found implementation of procedure __chk_range_not_ok [2022-11-02 20:57:24,403 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-11-02 20:57:24,403 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-11-02 20:57:24,403 INFO L130 BoogieDeclarations]: Found specification of procedure skd_soft_reset [2022-11-02 20:57:24,403 INFO L138 BoogieDeclarations]: Found implementation of procedure skd_soft_reset [2022-11-02 20:57:24,403 INFO L130 BoogieDeclarations]: Found specification of procedure skd_start_timer [2022-11-02 20:57:24,404 INFO L138 BoogieDeclarations]: Found implementation of procedure skd_start_timer [2022-11-02 20:57:24,404 INFO L130 BoogieDeclarations]: Found specification of procedure skd_reg_write32 [2022-11-02 20:57:24,404 INFO L138 BoogieDeclarations]: Found implementation of procedure skd_reg_write32 [2022-11-02 20:57:24,404 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_consistent_dma_mask [2022-11-02 20:57:24,405 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_consistent_dma_mask [2022-11-02 20:57:24,405 INFO L130 BoogieDeclarations]: Found specification of procedure pci_find_capability [2022-11-02 20:57:24,405 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_find_capability [2022-11-02 20:57:24,405 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-02 20:57:24,405 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-11-02 20:57:24,406 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-11-02 20:57:24,406 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2022-11-02 20:57:24,407 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2022-11-02 20:57:24,410 INFO L130 BoogieDeclarations]: Found specification of procedure blk_requeue_request [2022-11-02 20:57:24,411 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_requeue_request [2022-11-02 20:57:24,411 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-11-02 20:57:24,411 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-11-02 20:57:24,411 INFO L130 BoogieDeclarations]: Found specification of procedure sg_page [2022-11-02 20:57:24,414 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_page [2022-11-02 20:57:24,414 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-02 20:57:24,414 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_1 [2022-11-02 20:57:24,414 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_1 [2022-11-02 20:57:24,420 INFO L130 BoogieDeclarations]: Found specification of procedure skd_restart_device [2022-11-02 20:57:24,421 INFO L138 BoogieDeclarations]: Found implementation of procedure skd_restart_device [2022-11-02 20:57:24,421 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-02 20:57:24,421 INFO L130 BoogieDeclarations]: Found specification of procedure __copy_to_user [2022-11-02 20:57:24,421 INFO L138 BoogieDeclarations]: Found implementation of procedure __copy_to_user [2022-11-02 20:57:24,421 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-02 20:57:24,422 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-02 20:57:24,422 INFO L130 BoogieDeclarations]: Found specification of procedure skd_reg_read32 [2022-11-02 20:57:24,422 INFO L138 BoogieDeclarations]: Found implementation of procedure skd_reg_read32 [2022-11-02 20:57:24,422 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-11-02 20:57:24,422 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-11-02 20:57:24,422 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_timer_1 [2022-11-02 20:57:24,423 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_timer_1 [2022-11-02 20:57:24,423 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_dma_mask [2022-11-02 20:57:24,423 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_dma_mask [2022-11-02 20:57:24,423 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait_event [2022-11-02 20:57:24,423 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait_event [2022-11-02 20:57:24,423 INFO L130 BoogieDeclarations]: Found specification of procedure blk_start_queue [2022-11-02 20:57:24,424 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_start_queue [2022-11-02 20:57:24,424 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-02 20:57:24,424 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-02 20:57:24,424 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2022-11-02 20:57:24,424 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2022-11-02 20:57:24,424 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-02 20:57:24,425 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-11-02 20:57:24,425 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-11-02 20:57:24,426 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_drvdata [2022-11-02 20:57:24,426 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_drvdata [2022-11-02 20:57:24,426 INFO L130 BoogieDeclarations]: Found specification of procedure skd_send_internal_skspcl [2022-11-02 20:57:24,426 INFO L138 BoogieDeclarations]: Found implementation of procedure skd_send_internal_skspcl [2022-11-02 20:57:24,426 INFO L130 BoogieDeclarations]: Found specification of procedure skd_release_special [2022-11-02 20:57:24,427 INFO L138 BoogieDeclarations]: Found implementation of procedure skd_release_special [2022-11-02 20:57:24,427 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-02 20:57:24,427 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-02 20:57:24,427 INFO L130 BoogieDeclarations]: Found specification of procedure pci_request_regions [2022-11-02 20:57:24,427 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_request_regions [2022-11-02 20:57:24,427 INFO L130 BoogieDeclarations]: Found specification of procedure skd_release_irq [2022-11-02 20:57:24,428 INFO L138 BoogieDeclarations]: Found implementation of procedure skd_release_irq [2022-11-02 20:57:24,428 INFO L130 BoogieDeclarations]: Found specification of procedure copy_user_generic [2022-11-02 20:57:24,428 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_user_generic [2022-11-02 20:57:24,428 INFO L130 BoogieDeclarations]: Found specification of procedure skd_free_sg_list [2022-11-02 20:57:24,428 INFO L138 BoogieDeclarations]: Found implementation of procedure skd_free_sg_list [2022-11-02 20:57:24,428 INFO L130 BoogieDeclarations]: Found specification of procedure skd_destruct [2022-11-02 20:57:24,429 INFO L138 BoogieDeclarations]: Found implementation of procedure skd_destruct [2022-11-02 20:57:24,429 INFO L130 BoogieDeclarations]: Found specification of procedure skd_drive_state_to_str [2022-11-02 20:57:24,429 INFO L138 BoogieDeclarations]: Found implementation of procedure skd_drive_state_to_str [2022-11-02 20:57:24,429 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-02 20:57:24,429 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2022-11-02 20:57:24,429 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2022-11-02 20:57:24,430 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-02 20:57:24,430 INFO L130 BoogieDeclarations]: Found specification of procedure skd_send_special_fitmsg [2022-11-02 20:57:24,430 INFO L138 BoogieDeclarations]: Found implementation of procedure skd_send_special_fitmsg [2022-11-02 20:57:24,430 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2022-11-02 20:57:24,430 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2022-11-02 20:57:24,430 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-02 20:57:24,431 INFO L130 BoogieDeclarations]: Found specification of procedure __blk_end_request_all [2022-11-02 20:57:24,431 INFO L138 BoogieDeclarations]: Found implementation of procedure __blk_end_request_all [2022-11-02 20:57:24,431 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-11-02 20:57:24,431 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_2 [2022-11-02 20:57:24,431 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_2 [2022-11-02 20:57:24,431 INFO L130 BoogieDeclarations]: Found specification of procedure current_thread_info [2022-11-02 20:57:24,432 INFO L138 BoogieDeclarations]: Found implementation of procedure current_thread_info [2022-11-02 20:57:24,432 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab64 [2022-11-02 20:57:24,432 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab64 [2022-11-02 20:57:24,434 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2022-11-02 20:57:24,434 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2022-11-02 20:57:24,434 INFO L130 BoogieDeclarations]: Found specification of procedure skd_name [2022-11-02 20:57:24,435 INFO L138 BoogieDeclarations]: Found implementation of procedure skd_name [2022-11-02 20:57:24,435 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2022-11-02 20:57:24,435 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2022-11-02 20:57:24,435 INFO L130 BoogieDeclarations]: Found specification of procedure skd_release_msix [2022-11-02 20:57:24,435 INFO L138 BoogieDeclarations]: Found implementation of procedure skd_release_msix [2022-11-02 20:57:24,435 INFO L130 BoogieDeclarations]: Found specification of procedure skd_end_request [2022-11-02 20:57:24,436 INFO L138 BoogieDeclarations]: Found implementation of procedure skd_end_request [2022-11-02 20:57:24,436 INFO L130 BoogieDeclarations]: Found specification of procedure skd_recover_requests [2022-11-02 20:57:24,436 INFO L138 BoogieDeclarations]: Found implementation of procedure skd_recover_requests [2022-11-02 20:57:24,436 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2022-11-02 20:57:24,436 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2022-11-02 20:57:24,436 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-11-02 20:57:24,436 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-11-02 20:57:24,437 INFO L130 BoogieDeclarations]: Found specification of procedure devm_free_irq [2022-11-02 20:57:24,437 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_free_irq [2022-11-02 20:57:24,437 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2022-11-02 20:57:24,437 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2022-11-02 20:57:24,437 INFO L130 BoogieDeclarations]: Found specification of procedure __copy_from_user [2022-11-02 20:57:24,437 INFO L138 BoogieDeclarations]: Found implementation of procedure __copy_from_user [2022-11-02 20:57:24,438 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_msi [2022-11-02 20:57:24,438 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_msi [2022-11-02 20:57:24,438 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2022-11-02 20:57:24,438 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2022-11-02 20:57:24,438 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2022-11-02 20:57:24,438 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2022-11-02 20:57:24,439 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2022-11-02 20:57:24,439 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2022-11-02 20:57:24,439 INFO L130 BoogieDeclarations]: Found specification of procedure skd_pci_shutdown [2022-11-02 20:57:24,439 INFO L138 BoogieDeclarations]: Found implementation of procedure skd_pci_shutdown [2022-11-02 20:57:24,439 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout [2022-11-02 20:57:24,439 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout [2022-11-02 20:57:24,440 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-02 20:57:24,440 INFO L130 BoogieDeclarations]: Found specification of procedure skd_stop_device [2022-11-02 20:57:24,440 INFO L138 BoogieDeclarations]: Found implementation of procedure skd_stop_device [2022-11-02 20:57:24,440 INFO L130 BoogieDeclarations]: Found specification of procedure skd_acquire_irq [2022-11-02 20:57:24,440 INFO L138 BoogieDeclarations]: Found implementation of procedure skd_acquire_irq [2022-11-02 20:57:24,440 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2022-11-02 20:57:24,440 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2022-11-02 20:57:24,441 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-02 20:57:24,441 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-02 20:57:24,441 INFO L130 BoogieDeclarations]: Found specification of procedure writeq [2022-11-02 20:57:24,441 INFO L138 BoogieDeclarations]: Found implementation of procedure writeq [2022-11-02 20:57:24,441 INFO L130 BoogieDeclarations]: Found specification of procedure devm_request_irq [2022-11-02 20:57:24,441 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_request_irq [2022-11-02 20:57:25,488 INFO L235 CfgBuilder]: Building ICFG [2022-11-02 20:57:25,492 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-02 20:57:25,787 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-02 20:57:26,072 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5440: assume __copy_to_user_nocheck_#t~switch284#1;__copy_to_user_nocheck_#res#1 := __copy_to_user_nocheck_~ret~3#1; [2022-11-02 20:57:26,072 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5440: assume !__copy_to_user_nocheck_#t~switch284#1;__copy_to_user_nocheck_#t~switch284#1 := __copy_to_user_nocheck_#t~switch284#1 || 4 == __copy_to_user_nocheck_~size#1; [2022-11-02 20:57:26,072 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5467: SUMMARY for call __copy_to_user_nocheck_#t~ret286#1 := ldv__builtin_expect((if 0 != __copy_to_user_nocheck_~ret~3#1 then 1 else 0), 0); srcloc: null [2022-11-02 20:57:26,072 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5467-1: assume -9223372036854775808 <= __copy_to_user_nocheck_#t~ret286#1 && __copy_to_user_nocheck_#t~ret286#1 <= 9223372036854775807;__copy_to_user_nocheck_~tmp___1~7#1 := __copy_to_user_nocheck_#t~ret286#1;havoc __copy_to_user_nocheck_#t~ret286#1; [2022-11-02 20:57:26,073 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5455: SUMMARY for call __copy_to_user_nocheck_#t~ret285#1 := ldv__builtin_expect((if 0 != __copy_to_user_nocheck_~ret~3#1 then 1 else 0), 0); srcloc: null [2022-11-02 20:57:26,073 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5455-1: assume -9223372036854775808 <= __copy_to_user_nocheck_#t~ret285#1 && __copy_to_user_nocheck_#t~ret285#1 <= 9223372036854775807;__copy_to_user_nocheck_~tmp___0~11#1 := __copy_to_user_nocheck_#t~ret285#1;havoc __copy_to_user_nocheck_#t~ret285#1; [2022-11-02 20:57:26,073 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1: assume __copy_to_user_nocheck_#t~switch284#1;__copy_to_user_nocheck_#res#1 := __copy_to_user_nocheck_~ret~3#1; [2022-11-02 20:57:26,073 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2: assume !__copy_to_user_nocheck_#t~switch284#1;__copy_to_user_nocheck_#t~switch284#1 := __copy_to_user_nocheck_#t~switch284#1 || 2 == __copy_to_user_nocheck_~size#1; [2022-11-02 20:57:26,073 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5476: assume __copy_to_user_nocheck_#t~switch284#1; [2022-11-02 20:57:26,073 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5476: assume !__copy_to_user_nocheck_#t~switch284#1; [2022-11-02 20:57:26,073 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5435: havoc __copy_to_user_nocheck_#t~switch284#1; [2022-11-02 20:57:26,074 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5468: assume 0 != __copy_to_user_nocheck_~tmp___1~7#1;__copy_to_user_nocheck_#res#1 := __copy_to_user_nocheck_~ret~3#1; [2022-11-02 20:57:26,074 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5468: assume !(0 != __copy_to_user_nocheck_~tmp___1~7#1);__copy_to_user_nocheck_#res#1 := __copy_to_user_nocheck_~ret~3#1; [2022-11-02 20:57:26,074 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5464: assume __copy_to_user_nocheck_#t~switch284#1; [2022-11-02 20:57:26,074 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5464: assume !__copy_to_user_nocheck_#t~switch284#1;__copy_to_user_nocheck_#t~switch284#1 := true; [2022-11-02 20:57:26,074 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5456: assume 0 != __copy_to_user_nocheck_~tmp___0~11#1;__copy_to_user_nocheck_#res#1 := __copy_to_user_nocheck_~ret~3#1; [2022-11-02 20:57:26,074 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5456: assume !(0 != __copy_to_user_nocheck_~tmp___0~11#1);__copy_to_user_nocheck_#res#1 := __copy_to_user_nocheck_~ret~3#1; [2022-11-02 20:57:26,075 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5452: assume __copy_to_user_nocheck_#t~switch284#1; [2022-11-02 20:57:26,075 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5452: assume !__copy_to_user_nocheck_#t~switch284#1;__copy_to_user_nocheck_#t~switch284#1 := __copy_to_user_nocheck_#t~switch284#1 || 16 == __copy_to_user_nocheck_~size#1; [2022-11-02 20:57:26,075 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5448: assume __copy_to_user_nocheck_#t~switch284#1;__copy_to_user_nocheck_#res#1 := __copy_to_user_nocheck_~ret~3#1; [2022-11-02 20:57:26,075 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5448: assume !__copy_to_user_nocheck_#t~switch284#1;__copy_to_user_nocheck_#t~switch284#1 := __copy_to_user_nocheck_#t~switch284#1 || 10 == __copy_to_user_nocheck_~size#1; [2022-11-02 20:57:26,075 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5477: SUMMARY for call __copy_to_user_nocheck_#t~ret287#1 := copy_user_generic(__copy_to_user_nocheck_~dst#1.base, __copy_to_user_nocheck_~dst#1.offset, __copy_to_user_nocheck_~src#1.base, __copy_to_user_nocheck_~src#1.offset, __copy_to_user_nocheck_~size#1); srcloc: null [2022-11-02 20:57:26,075 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5444: assume __copy_to_user_nocheck_#t~switch284#1;__copy_to_user_nocheck_#res#1 := __copy_to_user_nocheck_~ret~3#1; [2022-11-02 20:57:26,076 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5444: assume !__copy_to_user_nocheck_#t~switch284#1;__copy_to_user_nocheck_#t~switch284#1 := __copy_to_user_nocheck_#t~switch284#1 || 8 == __copy_to_user_nocheck_~size#1; [2022-11-02 20:57:26,076 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5477-1: __copy_to_user_nocheck_~tmp___2~3#1 := __copy_to_user_nocheck_#t~ret287#1;havoc __copy_to_user_nocheck_#t~ret287#1;__copy_to_user_nocheck_#res#1 := (if __copy_to_user_nocheck_~tmp___2~3#1 % 18446744073709551616 % 4294967296 <= 2147483647 then __copy_to_user_nocheck_~tmp___2~3#1 % 18446744073709551616 % 4294967296 else __copy_to_user_nocheck_~tmp___2~3#1 % 18446744073709551616 % 4294967296 - 4294967296); [2022-11-02 20:57:29,173 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5362: havoc __copy_from_user_nocheck_#t~switch278#1; [2022-11-02 20:57:29,173 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5387: SUMMARY for call __copy_from_user_nocheck_#t~ret279#1 := ldv__builtin_expect((if 0 != __copy_from_user_nocheck_~ret~2#1 then 1 else 0), 0); srcloc: null [2022-11-02 20:57:29,173 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5387-1: assume -9223372036854775808 <= __copy_from_user_nocheck_#t~ret279#1 && __copy_from_user_nocheck_#t~ret279#1 <= 9223372036854775807;__copy_from_user_nocheck_~tmp___0~10#1 := __copy_from_user_nocheck_#t~ret279#1;havoc __copy_from_user_nocheck_#t~ret279#1; [2022-11-02 20:57:29,174 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5383: assume __copy_from_user_nocheck_#t~switch278#1; [2022-11-02 20:57:29,174 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5383: assume !__copy_from_user_nocheck_#t~switch278#1;__copy_from_user_nocheck_#t~switch278#1 := __copy_from_user_nocheck_#t~switch278#1 || 16 == __copy_from_user_nocheck_~size#1; [2022-11-02 20:57:29,174 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5400-1: assume -9223372036854775808 <= __copy_from_user_nocheck_#t~ret280#1 && __copy_from_user_nocheck_#t~ret280#1 <= 9223372036854775807;__copy_from_user_nocheck_~tmp___1~6#1 := __copy_from_user_nocheck_#t~ret280#1;havoc __copy_from_user_nocheck_#t~ret280#1; [2022-11-02 20:57:29,174 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5400: SUMMARY for call __copy_from_user_nocheck_#t~ret280#1 := ldv__builtin_expect((if 0 != __copy_from_user_nocheck_~ret~2#1 then 1 else 0), 0); srcloc: null [2022-11-02 20:57:29,174 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5396: assume __copy_from_user_nocheck_#t~switch278#1; [2022-11-02 20:57:29,174 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5396: assume !__copy_from_user_nocheck_#t~switch278#1;__copy_from_user_nocheck_#t~switch278#1 := true; [2022-11-02 20:57:29,174 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5388: assume 0 != __copy_from_user_nocheck_~tmp___0~10#1;__copy_from_user_nocheck_#res#1 := __copy_from_user_nocheck_~ret~2#1; [2022-11-02 20:57:29,175 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5388: assume !(0 != __copy_from_user_nocheck_~tmp___0~10#1);__copy_from_user_nocheck_#res#1 := __copy_from_user_nocheck_~ret~2#1; [2022-11-02 20:57:29,175 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5409: assume __copy_from_user_nocheck_#t~switch278#1; [2022-11-02 20:57:29,175 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5409: assume !__copy_from_user_nocheck_#t~switch278#1; [2022-11-02 20:57:29,175 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5401: assume 0 != __copy_from_user_nocheck_~tmp___1~6#1;__copy_from_user_nocheck_#res#1 := __copy_from_user_nocheck_~ret~2#1; [2022-11-02 20:57:29,175 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5401: assume !(0 != __copy_from_user_nocheck_~tmp___1~6#1);__copy_from_user_nocheck_#res#1 := __copy_from_user_nocheck_~ret~2#1; [2022-11-02 20:57:29,175 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5368: assume __copy_from_user_nocheck_#t~switch278#1;__copy_from_user_nocheck_#res#1 := __copy_from_user_nocheck_~ret~2#1; [2022-11-02 20:57:29,176 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5368: assume !__copy_from_user_nocheck_#t~switch278#1;__copy_from_user_nocheck_#t~switch278#1 := __copy_from_user_nocheck_#t~switch278#1 || 4 == __copy_from_user_nocheck_~size#1; [2022-11-02 20:57:29,176 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1: assume __copy_from_user_nocheck_#t~switch278#1;__copy_from_user_nocheck_#res#1 := __copy_from_user_nocheck_~ret~2#1; [2022-11-02 20:57:29,176 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5410: SUMMARY for call __copy_from_user_nocheck_#t~ret281#1 := copy_user_generic(__copy_from_user_nocheck_~dst#1.base, __copy_from_user_nocheck_~dst#1.offset, __copy_from_user_nocheck_~src#1.base, __copy_from_user_nocheck_~src#1.offset, __copy_from_user_nocheck_~size#1); srcloc: null [2022-11-02 20:57:29,176 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2: assume !__copy_from_user_nocheck_#t~switch278#1;__copy_from_user_nocheck_#t~switch278#1 := __copy_from_user_nocheck_#t~switch278#1 || 2 == __copy_from_user_nocheck_~size#1; [2022-11-02 20:57:29,176 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5410-1: __copy_from_user_nocheck_~tmp___2~2#1 := __copy_from_user_nocheck_#t~ret281#1;havoc __copy_from_user_nocheck_#t~ret281#1;__copy_from_user_nocheck_#res#1 := (if __copy_from_user_nocheck_~tmp___2~2#1 % 18446744073709551616 % 4294967296 <= 2147483647 then __copy_from_user_nocheck_~tmp___2~2#1 % 18446744073709551616 % 4294967296 else __copy_from_user_nocheck_~tmp___2~2#1 % 18446744073709551616 % 4294967296 - 4294967296); [2022-11-02 20:57:29,176 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5373: assume __copy_from_user_nocheck_#t~switch278#1;__copy_from_user_nocheck_#res#1 := __copy_from_user_nocheck_~ret~2#1; [2022-11-02 20:57:29,176 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5373: assume !__copy_from_user_nocheck_#t~switch278#1;__copy_from_user_nocheck_#t~switch278#1 := __copy_from_user_nocheck_#t~switch278#1 || 8 == __copy_from_user_nocheck_~size#1; [2022-11-02 20:57:29,177 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5378: assume __copy_from_user_nocheck_#t~switch278#1;__copy_from_user_nocheck_#res#1 := __copy_from_user_nocheck_~ret~2#1; [2022-11-02 20:57:29,177 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5378: assume !__copy_from_user_nocheck_#t~switch278#1;__copy_from_user_nocheck_#t~switch278#1 := __copy_from_user_nocheck_#t~switch278#1 || 10 == __copy_from_user_nocheck_~size#1; [2022-11-02 20:57:39,675 INFO L276 CfgBuilder]: Performing block encoding [2022-11-02 20:57:39,709 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-02 20:57:39,709 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-02 20:57:39,714 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:57:39 BoogieIcfgContainer [2022-11-02 20:57:39,714 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-02 20:57:39,718 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-02 20:57:39,718 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-02 20:57:39,722 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-02 20:57:39,722 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 08:57:18" (1/3) ... [2022-11-02 20:57:39,723 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@440cf37f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 08:57:39, skipping insertion in model container [2022-11-02 20:57:39,723 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:57:23" (2/3) ... [2022-11-02 20:57:39,724 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@440cf37f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 08:57:39, skipping insertion in model container [2022-11-02 20:57:39,724 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:57:39" (3/3) ... [2022-11-02 20:57:39,725 INFO L112 eAbstractionObserver]: Analyzing ICFG 43_2a_bitvector_linux-3.16-rc1.tar.xz-43_2a-drivers--block--skd.ko-entry_point.cil.out.i [2022-11-02 20:57:39,746 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-02 20:57:39,746 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-02 20:57:39,890 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-02 20:57:39,899 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;@56cb4d1e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-02 20:57:39,899 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-02 20:57:39,912 INFO L276 IsEmpty]: Start isEmpty. Operand has 2309 states, 1684 states have (on average 1.3640142517814726) internal successors, (2297), 1728 states have internal predecessors, (2297), 516 states have call successors, (516), 108 states have call predecessors, (516), 107 states have return successors, (511), 499 states have call predecessors, (511), 511 states have call successors, (511) [2022-11-02 20:57:39,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2022-11-02 20:57:39,955 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:57:39,956 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:57:39,956 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:57:39,964 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:57:39,964 INFO L85 PathProgramCache]: Analyzing trace with hash 799047285, now seen corresponding path program 1 times [2022-11-02 20:57:39,975 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:57:39,976 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [406223239] [2022-11-02 20:57:39,976 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:57:39,977 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:57:40,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:57:41,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-02 20:57:41,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:57:41,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-02 20:57:41,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:57:41,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-11-02 20:57:41,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:57:41,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-11-02 20:57:41,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:57:41,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-02 20:57:41,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:57:41,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-11-02 20:57:41,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:57:41,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2022-11-02 20:57:41,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:57:41,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-11-02 20:57:41,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:57:41,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-11-02 20:57:41,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:57:41,335 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-02 20:57:41,335 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:57:41,337 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [406223239] [2022-11-02 20:57:41,338 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [406223239] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:57:41,339 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:57:41,339 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-02 20:57:41,340 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1126225752] [2022-11-02 20:57:41,341 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:57:41,346 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-02 20:57:41,347 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:57:41,378 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-02 20:57:41,382 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-02 20:57:41,390 INFO L87 Difference]: Start difference. First operand has 2309 states, 1684 states have (on average 1.3640142517814726) internal successors, (2297), 1728 states have internal predecessors, (2297), 516 states have call successors, (516), 108 states have call predecessors, (516), 107 states have return successors, (511), 499 states have call predecessors, (511), 511 states have call successors, (511) Second operand has 5 states, 5 states have (on average 9.6) internal successors, (48), 3 states have internal predecessors, (48), 2 states have call successors, (12), 4 states have call predecessors, (12), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-11-02 20:57:45,545 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 [] [2022-11-02 20:57:55,431 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:58:00,230 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:58:00,230 INFO L93 Difference]: Finished difference Result 6204 states and 9077 transitions. [2022-11-02 20:58:00,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-02 20:58:00,235 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.6) internal successors, (48), 3 states have internal predecessors, (48), 2 states have call successors, (12), 4 states have call predecessors, (12), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 78 [2022-11-02 20:58:00,235 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:58:00,286 INFO L225 Difference]: With dead ends: 6204 [2022-11-02 20:58:00,286 INFO L226 Difference]: Without dead ends: 3855 [2022-11-02 20:58:00,300 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-02 20:58:00,302 INFO L413 NwaCegarLoop]: 3491 mSDtfsCounter, 3382 mSDsluCounter, 5247 mSDsCounter, 0 mSdLazyCounter, 3750 mSolverCounterSat, 1904 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3585 SdHoareTripleChecker+Valid, 8738 SdHoareTripleChecker+Invalid, 5655 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1904 IncrementalHoareTripleChecker+Valid, 3750 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.2s IncrementalHoareTripleChecker+Time [2022-11-02 20:58:00,303 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3585 Valid, 8738 Invalid, 5655 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1904 Valid, 3750 Invalid, 1 Unknown, 0 Unchecked, 18.2s Time] [2022-11-02 20:58:00,326 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3855 states. [2022-11-02 20:58:00,632 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3855 to 3536. [2022-11-02 20:58:00,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3536 states, 2610 states have (on average 1.3689655172413793) internal successors, (3573), 2669 states have internal predecessors, (3573), 749 states have call successors, (749), 177 states have call predecessors, (749), 176 states have return successors, (748), 726 states have call predecessors, (748), 748 states have call successors, (748) [2022-11-02 20:58:00,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3536 states to 3536 states and 5070 transitions. [2022-11-02 20:58:00,675 INFO L78 Accepts]: Start accepts. Automaton has 3536 states and 5070 transitions. Word has length 78 [2022-11-02 20:58:00,677 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:58:00,677 INFO L495 AbstractCegarLoop]: Abstraction has 3536 states and 5070 transitions. [2022-11-02 20:58:00,678 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.6) internal successors, (48), 3 states have internal predecessors, (48), 2 states have call successors, (12), 4 states have call predecessors, (12), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-11-02 20:58:00,682 INFO L276 IsEmpty]: Start isEmpty. Operand 3536 states and 5070 transitions. [2022-11-02 20:58:00,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2022-11-02 20:58:00,697 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:58:00,698 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:58:00,699 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-02 20:58:00,699 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:58:00,700 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:58:00,700 INFO L85 PathProgramCache]: Analyzing trace with hash -1465883832, now seen corresponding path program 1 times [2022-11-02 20:58:00,700 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:58:00,701 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1399335569] [2022-11-02 20:58:00,702 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:58:00,703 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:58:01,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:58:01,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-02 20:58:01,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:58:01,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-02 20:58:01,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:58:01,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-11-02 20:58:01,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:58:01,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-11-02 20:58:01,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:58:01,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-02 20:58:01,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:58:01,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2022-11-02 20:58:01,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:58:01,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-11-02 20:58:01,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:58:01,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-11-02 20:58:01,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:58:01,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-11-02 20:58:01,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:58:01,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-11-02 20:58:01,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:58:01,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-11-02 20:58:01,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:58:01,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-11-02 20:58:01,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:58:01,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 20:58:01,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:58:01,606 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2022-11-02 20:58:01,607 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:58:01,607 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1399335569] [2022-11-02 20:58:01,607 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1399335569] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:58:01,607 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:58:01,608 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-02 20:58:01,608 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1437511381] [2022-11-02 20:58:01,608 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:58:01,609 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-02 20:58:01,610 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:58:01,610 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-02 20:58:01,610 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-02 20:58:01,611 INFO L87 Difference]: Start difference. First operand 3536 states and 5070 transitions. Second operand has 6 states, 6 states have (on average 12.833333333333334) internal successors, (77), 3 states have internal predecessors, (77), 2 states have call successors, (16), 5 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-11-02 20:58:05,483 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 [] [2022-11-02 20:58:07,507 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:58:09,549 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:58:11,064 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.51s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:58:33,080 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:58:33,080 INFO L93 Difference]: Finished difference Result 10245 states and 14911 transitions. [2022-11-02 20:58:33,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-02 20:58:33,081 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.833333333333334) internal successors, (77), 3 states have internal predecessors, (77), 2 states have call successors, (16), 5 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 119 [2022-11-02 20:58:33,081 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:58:33,128 INFO L225 Difference]: With dead ends: 10245 [2022-11-02 20:58:33,128 INFO L226 Difference]: Without dead ends: 6728 [2022-11-02 20:58:33,144 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=60, Invalid=122, Unknown=0, NotChecked=0, Total=182 [2022-11-02 20:58:33,145 INFO L413 NwaCegarLoop]: 4044 mSDtfsCounter, 5439 mSDsluCounter, 5204 mSDsCounter, 0 mSdLazyCounter, 7461 mSolverCounterSat, 3517 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 28.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5854 SdHoareTripleChecker+Valid, 9248 SdHoareTripleChecker+Invalid, 10981 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3517 IncrementalHoareTripleChecker+Valid, 7461 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 30.7s IncrementalHoareTripleChecker+Time [2022-11-02 20:58:33,146 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5854 Valid, 9248 Invalid, 10981 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3517 Valid, 7461 Invalid, 3 Unknown, 0 Unchecked, 30.7s Time] [2022-11-02 20:58:33,155 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6728 states. [2022-11-02 20:58:33,491 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6728 to 6101. [2022-11-02 20:58:33,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6101 states, 4485 states have (on average 1.3683389074693422) internal successors, (6137), 4602 states have internal predecessors, (6137), 1298 states have call successors, (1298), 318 states have call predecessors, (1298), 317 states have return successors, (1297), 1252 states have call predecessors, (1297), 1297 states have call successors, (1297) [2022-11-02 20:58:33,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6101 states to 6101 states and 8732 transitions. [2022-11-02 20:58:33,535 INFO L78 Accepts]: Start accepts. Automaton has 6101 states and 8732 transitions. Word has length 119 [2022-11-02 20:58:33,535 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:58:33,536 INFO L495 AbstractCegarLoop]: Abstraction has 6101 states and 8732 transitions. [2022-11-02 20:58:33,536 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.833333333333334) internal successors, (77), 3 states have internal predecessors, (77), 2 states have call successors, (16), 5 states have call predecessors, (16), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-11-02 20:58:33,536 INFO L276 IsEmpty]: Start isEmpty. Operand 6101 states and 8732 transitions. [2022-11-02 20:58:33,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-11-02 20:58:33,544 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:58:33,545 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:58:33,545 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-02 20:58:33,545 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:58:33,546 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:58:33,546 INFO L85 PathProgramCache]: Analyzing trace with hash -1870804088, now seen corresponding path program 1 times [2022-11-02 20:58:33,546 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:58:33,546 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2000570704] [2022-11-02 20:58:33,546 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:58:33,546 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:58:33,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:58:34,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-02 20:58:34,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:58:34,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-02 20:58:34,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:58:34,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-11-02 20:58:34,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:58:34,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-11-02 20:58:34,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:58:34,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-11-02 20:58:34,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:58:34,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-02 20:58:34,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:58:34,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-11-02 20:58:34,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:58:34,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2022-11-02 20:58:34,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:58:34,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2022-11-02 20:58:34,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:58:34,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-11-02 20:58:34,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:58:34,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2022-11-02 20:58:34,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:58:34,560 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2022-11-02 20:58:34,560 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:58:34,560 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2000570704] [2022-11-02 20:58:34,560 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2000570704] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:58:34,560 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:58:34,560 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-02 20:58:34,561 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1006249157] [2022-11-02 20:58:34,561 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:58:34,561 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-02 20:58:34,561 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:58:34,562 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-02 20:58:34,562 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-02 20:58:34,562 INFO L87 Difference]: Start difference. First operand 6101 states and 8732 transitions. Second operand has 5 states, 5 states have (on average 15.2) internal successors, (76), 3 states have internal predecessors, (76), 2 states have call successors, (14), 4 states have call predecessors, (14), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-11-02 20:58:38,267 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 [] [2022-11-02 20:58:48,784 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:58:48,784 INFO L93 Difference]: Finished difference Result 12789 states and 18540 transitions. [2022-11-02 20:58:48,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-02 20:58:48,784 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.2) internal successors, (76), 3 states have internal predecessors, (76), 2 states have call successors, (14), 4 states have call predecessors, (14), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 116 [2022-11-02 20:58:48,785 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:58:48,823 INFO L225 Difference]: With dead ends: 12789 [2022-11-02 20:58:48,823 INFO L226 Difference]: Without dead ends: 6711 [2022-11-02 20:58:48,849 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-11-02 20:58:48,850 INFO L413 NwaCegarLoop]: 3125 mSDtfsCounter, 3995 mSDsluCounter, 2730 mSDsCounter, 0 mSdLazyCounter, 2160 mSolverCounterSat, 1445 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4370 SdHoareTripleChecker+Valid, 5855 SdHoareTripleChecker+Invalid, 3606 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1445 IncrementalHoareTripleChecker+Valid, 2160 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.8s IncrementalHoareTripleChecker+Time [2022-11-02 20:58:48,851 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4370 Valid, 5855 Invalid, 3606 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1445 Valid, 2160 Invalid, 1 Unknown, 0 Unchecked, 13.8s Time] [2022-11-02 20:58:48,859 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6711 states. [2022-11-02 20:58:49,222 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6711 to 6101. [2022-11-02 20:58:49,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6101 states, 4485 states have (on average 1.3674470457079153) internal successors, (6133), 4602 states have internal predecessors, (6133), 1298 states have call successors, (1298), 318 states have call predecessors, (1298), 317 states have return successors, (1297), 1252 states have call predecessors, (1297), 1297 states have call successors, (1297) [2022-11-02 20:58:49,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6101 states to 6101 states and 8728 transitions. [2022-11-02 20:58:49,282 INFO L78 Accepts]: Start accepts. Automaton has 6101 states and 8728 transitions. Word has length 116 [2022-11-02 20:58:49,282 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:58:49,282 INFO L495 AbstractCegarLoop]: Abstraction has 6101 states and 8728 transitions. [2022-11-02 20:58:49,283 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.2) internal successors, (76), 3 states have internal predecessors, (76), 2 states have call successors, (14), 4 states have call predecessors, (14), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-11-02 20:58:49,284 INFO L276 IsEmpty]: Start isEmpty. Operand 6101 states and 8728 transitions. [2022-11-02 20:58:49,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-11-02 20:58:49,291 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:58:49,292 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:58:49,292 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-02 20:58:49,292 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:58:49,293 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:58:49,293 INFO L85 PathProgramCache]: Analyzing trace with hash -983581242, now seen corresponding path program 1 times [2022-11-02 20:58:49,293 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:58:49,293 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [345408926] [2022-11-02 20:58:49,293 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:58:49,294 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:58:49,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:58:50,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-02 20:58:50,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:58:50,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-02 20:58:50,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:58:50,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-11-02 20:58:50,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:58:50,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-11-02 20:58:50,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:58:50,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-11-02 20:58:50,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:58:50,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-02 20:58:50,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:58:50,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-11-02 20:58:50,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:58:50,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2022-11-02 20:58:50,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:58:50,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2022-11-02 20:58:50,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:58:50,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-11-02 20:58:50,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:58:50,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2022-11-02 20:58:50,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:58:50,219 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2022-11-02 20:58:50,220 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:58:50,220 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [345408926] [2022-11-02 20:58:50,221 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [345408926] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:58:50,221 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:58:50,221 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-02 20:58:50,221 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [708745447] [2022-11-02 20:58:50,221 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:58:50,222 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-02 20:58:50,222 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:58:50,223 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-02 20:58:50,223 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-02 20:58:50,223 INFO L87 Difference]: Start difference. First operand 6101 states and 8728 transitions. Second operand has 5 states, 5 states have (on average 15.2) internal successors, (76), 3 states have internal predecessors, (76), 2 states have call successors, (14), 4 states have call predecessors, (14), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-11-02 20:58:53,821 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:58:55,844 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:59:03,313 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.49s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:59:06,886 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:59:06,886 INFO L93 Difference]: Finished difference Result 12789 states and 18532 transitions. [2022-11-02 20:59:06,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-02 20:59:06,891 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.2) internal successors, (76), 3 states have internal predecessors, (76), 2 states have call successors, (14), 4 states have call predecessors, (14), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 116 [2022-11-02 20:59:06,891 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:59:06,932 INFO L225 Difference]: With dead ends: 12789 [2022-11-02 20:59:06,932 INFO L226 Difference]: Without dead ends: 6711 [2022-11-02 20:59:06,955 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-11-02 20:59:06,956 INFO L413 NwaCegarLoop]: 3125 mSDtfsCounter, 3991 mSDsluCounter, 2723 mSDsCounter, 0 mSdLazyCounter, 2167 mSolverCounterSat, 1439 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4368 SdHoareTripleChecker+Valid, 5848 SdHoareTripleChecker+Invalid, 3608 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1439 IncrementalHoareTripleChecker+Valid, 2167 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.1s IncrementalHoareTripleChecker+Time [2022-11-02 20:59:06,957 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4368 Valid, 5848 Invalid, 3608 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1439 Valid, 2167 Invalid, 2 Unknown, 0 Unchecked, 16.1s Time] [2022-11-02 20:59:06,965 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6711 states. [2022-11-02 20:59:07,362 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6711 to 6101. [2022-11-02 20:59:07,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6101 states, 4485 states have (on average 1.3665551839464882) internal successors, (6129), 4602 states have internal predecessors, (6129), 1298 states have call successors, (1298), 318 states have call predecessors, (1298), 317 states have return successors, (1297), 1252 states have call predecessors, (1297), 1297 states have call successors, (1297) [2022-11-02 20:59:07,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6101 states to 6101 states and 8724 transitions. [2022-11-02 20:59:07,406 INFO L78 Accepts]: Start accepts. Automaton has 6101 states and 8724 transitions. Word has length 116 [2022-11-02 20:59:07,408 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:59:07,409 INFO L495 AbstractCegarLoop]: Abstraction has 6101 states and 8724 transitions. [2022-11-02 20:59:07,409 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.2) internal successors, (76), 3 states have internal predecessors, (76), 2 states have call successors, (14), 4 states have call predecessors, (14), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-11-02 20:59:07,409 INFO L276 IsEmpty]: Start isEmpty. Operand 6101 states and 8724 transitions. [2022-11-02 20:59:07,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-11-02 20:59:07,418 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:59:07,418 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:59:07,419 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-02 20:59:07,419 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:59:07,419 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:59:07,419 INFO L85 PathProgramCache]: Analyzing trace with hash 1400343496, now seen corresponding path program 1 times [2022-11-02 20:59:07,420 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:59:07,420 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [476816869] [2022-11-02 20:59:07,420 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:59:07,420 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:59:07,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:59:08,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-02 20:59:08,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:59:08,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-02 20:59:08,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:59:08,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-11-02 20:59:08,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:59:08,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-11-02 20:59:08,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:59:08,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-11-02 20:59:08,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:59:08,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-02 20:59:08,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:59:08,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-11-02 20:59:08,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:59:08,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2022-11-02 20:59:08,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:59:08,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2022-11-02 20:59:08,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:59:08,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-11-02 20:59:08,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:59:08,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2022-11-02 20:59:08,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:59:08,425 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2022-11-02 20:59:08,425 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:59:08,425 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [476816869] [2022-11-02 20:59:08,426 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [476816869] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:59:08,426 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:59:08,426 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-02 20:59:08,426 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [248163021] [2022-11-02 20:59:08,427 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:59:08,428 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-02 20:59:08,428 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:59:08,428 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-02 20:59:08,429 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-02 20:59:08,429 INFO L87 Difference]: Start difference. First operand 6101 states and 8724 transitions. Second operand has 5 states, 5 states have (on average 15.2) internal successors, (76), 3 states have internal predecessors, (76), 2 states have call successors, (14), 4 states have call predecessors, (14), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-11-02 20:59:11,375 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 [] [2022-11-02 20:59:19,606 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.85s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:59:21,643 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:59:24,802 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:59:24,802 INFO L93 Difference]: Finished difference Result 12789 states and 18524 transitions. [2022-11-02 20:59:24,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-02 20:59:24,803 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.2) internal successors, (76), 3 states have internal predecessors, (76), 2 states have call successors, (14), 4 states have call predecessors, (14), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 116 [2022-11-02 20:59:24,803 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:59:24,845 INFO L225 Difference]: With dead ends: 12789 [2022-11-02 20:59:24,845 INFO L226 Difference]: Without dead ends: 6711 [2022-11-02 20:59:24,874 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-11-02 20:59:24,875 INFO L413 NwaCegarLoop]: 3123 mSDtfsCounter, 3991 mSDsluCounter, 2725 mSDsCounter, 0 mSdLazyCounter, 2162 mSolverCounterSat, 1444 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4366 SdHoareTripleChecker+Valid, 5848 SdHoareTripleChecker+Invalid, 3607 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1444 IncrementalHoareTripleChecker+Valid, 2162 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.8s IncrementalHoareTripleChecker+Time [2022-11-02 20:59:24,876 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4366 Valid, 5848 Invalid, 3607 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1444 Valid, 2162 Invalid, 1 Unknown, 0 Unchecked, 15.8s Time] [2022-11-02 20:59:24,886 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6711 states. [2022-11-02 20:59:25,383 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6711 to 6101. [2022-11-02 20:59:25,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6101 states, 4485 states have (on average 1.3656633221850614) internal successors, (6125), 4602 states have internal predecessors, (6125), 1298 states have call successors, (1298), 318 states have call predecessors, (1298), 317 states have return successors, (1297), 1252 states have call predecessors, (1297), 1297 states have call successors, (1297) [2022-11-02 20:59:25,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6101 states to 6101 states and 8720 transitions. [2022-11-02 20:59:25,428 INFO L78 Accepts]: Start accepts. Automaton has 6101 states and 8720 transitions. Word has length 116 [2022-11-02 20:59:25,429 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:59:25,429 INFO L495 AbstractCegarLoop]: Abstraction has 6101 states and 8720 transitions. [2022-11-02 20:59:25,429 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.2) internal successors, (76), 3 states have internal predecessors, (76), 2 states have call successors, (14), 4 states have call predecessors, (14), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-11-02 20:59:25,430 INFO L276 IsEmpty]: Start isEmpty. Operand 6101 states and 8720 transitions. [2022-11-02 20:59:25,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-11-02 20:59:25,445 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:59:25,445 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:59:25,446 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-02 20:59:25,446 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:59:25,446 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:59:25,447 INFO L85 PathProgramCache]: Analyzing trace with hash 432992842, now seen corresponding path program 1 times [2022-11-02 20:59:25,447 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:59:25,447 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [424609446] [2022-11-02 20:59:25,447 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:59:25,447 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:59:25,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:59:26,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-02 20:59:26,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:59:26,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-02 20:59:26,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:59:26,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-11-02 20:59:26,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:59:26,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-11-02 20:59:26,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:59:26,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-11-02 20:59:26,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:59:26,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-02 20:59:26,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:59:26,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-11-02 20:59:26,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:59:26,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2022-11-02 20:59:26,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:59:26,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2022-11-02 20:59:26,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:59:26,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-11-02 20:59:26,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:59:26,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2022-11-02 20:59:26,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:59:26,395 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2022-11-02 20:59:26,395 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:59:26,395 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [424609446] [2022-11-02 20:59:26,395 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [424609446] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:59:26,395 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:59:26,395 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-02 20:59:26,395 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1191527743] [2022-11-02 20:59:26,396 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:59:26,396 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-02 20:59:26,396 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:59:26,396 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-02 20:59:26,396 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-02 20:59:26,397 INFO L87 Difference]: Start difference. First operand 6101 states and 8720 transitions. Second operand has 5 states, 5 states have (on average 15.2) internal successors, (76), 3 states have internal predecessors, (76), 2 states have call successors, (14), 4 states have call predecessors, (14), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-11-02 20:59:28,828 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:59:30,846 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:59:32,873 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:59:41,080 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.70s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:59:44,840 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:59:44,840 INFO L93 Difference]: Finished difference Result 12789 states and 18516 transitions. [2022-11-02 20:59:44,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-02 20:59:44,841 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.2) internal successors, (76), 3 states have internal predecessors, (76), 2 states have call successors, (14), 4 states have call predecessors, (14), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 116 [2022-11-02 20:59:44,841 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:59:44,883 INFO L225 Difference]: With dead ends: 12789 [2022-11-02 20:59:44,884 INFO L226 Difference]: Without dead ends: 6711 [2022-11-02 20:59:44,910 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-11-02 20:59:44,911 INFO L413 NwaCegarLoop]: 3117 mSDtfsCounter, 3987 mSDsluCounter, 2710 mSDsCounter, 0 mSdLazyCounter, 2165 mSolverCounterSat, 1439 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4369 SdHoareTripleChecker+Valid, 5827 SdHoareTripleChecker+Invalid, 3606 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1439 IncrementalHoareTripleChecker+Valid, 2165 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.9s IncrementalHoareTripleChecker+Time [2022-11-02 20:59:44,911 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4369 Valid, 5827 Invalid, 3606 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1439 Valid, 2165 Invalid, 2 Unknown, 0 Unchecked, 17.9s Time] [2022-11-02 20:59:44,921 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6711 states. [2022-11-02 20:59:45,427 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6711 to 6101. [2022-11-02 20:59:45,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6101 states, 4485 states have (on average 1.3647714604236343) internal successors, (6121), 4602 states have internal predecessors, (6121), 1298 states have call successors, (1298), 318 states have call predecessors, (1298), 317 states have return successors, (1297), 1252 states have call predecessors, (1297), 1297 states have call successors, (1297) [2022-11-02 20:59:45,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6101 states to 6101 states and 8716 transitions. [2022-11-02 20:59:45,469 INFO L78 Accepts]: Start accepts. Automaton has 6101 states and 8716 transitions. Word has length 116 [2022-11-02 20:59:45,469 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:59:45,470 INFO L495 AbstractCegarLoop]: Abstraction has 6101 states and 8716 transitions. [2022-11-02 20:59:45,470 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.2) internal successors, (76), 3 states have internal predecessors, (76), 2 states have call successors, (14), 4 states have call predecessors, (14), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-11-02 20:59:45,470 INFO L276 IsEmpty]: Start isEmpty. Operand 6101 states and 8716 transitions. [2022-11-02 20:59:45,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-11-02 20:59:45,479 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:59:45,479 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:59:45,479 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-02 20:59:45,480 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:59:45,480 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:59:45,480 INFO L85 PathProgramCache]: Analyzing trace with hash -1953516664, now seen corresponding path program 1 times [2022-11-02 20:59:45,481 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:59:45,481 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1379610185] [2022-11-02 20:59:45,481 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:59:45,481 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:59:45,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:59:46,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-02 20:59:46,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:59:46,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-02 20:59:46,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:59:46,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-11-02 20:59:46,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:59:46,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-11-02 20:59:46,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:59:46,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-11-02 20:59:46,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:59:46,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-02 20:59:46,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:59:46,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-11-02 20:59:46,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:59:46,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2022-11-02 20:59:46,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:59:46,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2022-11-02 20:59:46,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:59:46,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-11-02 20:59:46,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:59:46,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2022-11-02 20:59:46,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:59:46,734 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2022-11-02 20:59:46,734 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:59:46,734 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1379610185] [2022-11-02 20:59:46,734 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1379610185] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:59:46,735 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:59:46,735 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-02 20:59:46,735 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1738445147] [2022-11-02 20:59:46,735 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:59:46,736 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-02 20:59:46,736 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:59:46,736 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-02 20:59:46,736 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2022-11-02 20:59:46,737 INFO L87 Difference]: Start difference. First operand 6101 states and 8716 transitions. Second operand has 8 states, 8 states have (on average 9.5) internal successors, (76), 6 states have internal predecessors, (76), 2 states have call successors, (14), 4 states have call predecessors, (14), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-11-02 20:59:50,488 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:59:52,501 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 20:59:54,869 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 21:00:15,321 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.88s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 21:00:25,101 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 21:00:25,101 INFO L93 Difference]: Finished difference Result 19391 states and 28181 transitions. [2022-11-02 21:00:25,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-02 21:00:25,102 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 9.5) internal successors, (76), 6 states have internal predecessors, (76), 2 states have call successors, (14), 4 states have call predecessors, (14), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 116 [2022-11-02 21:00:25,102 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 21:00:25,171 INFO L225 Difference]: With dead ends: 19391 [2022-11-02 21:00:25,171 INFO L226 Difference]: Without dead ends: 13313 [2022-11-02 21:00:25,193 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=57, Invalid=125, Unknown=0, NotChecked=0, Total=182 [2022-11-02 21:00:25,194 INFO L413 NwaCegarLoop]: 5509 mSDtfsCounter, 7403 mSDsluCounter, 10464 mSDsCounter, 0 mSdLazyCounter, 7446 mSolverCounterSat, 3839 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 34.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7777 SdHoareTripleChecker+Valid, 15973 SdHoareTripleChecker+Invalid, 11287 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3839 IncrementalHoareTripleChecker+Valid, 7446 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 37.0s IncrementalHoareTripleChecker+Time [2022-11-02 21:00:25,195 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7777 Valid, 15973 Invalid, 11287 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3839 Valid, 7446 Invalid, 2 Unknown, 0 Unchecked, 37.0s Time] [2022-11-02 21:00:25,212 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13313 states. [2022-11-02 21:00:26,390 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13313 to 12092. [2022-11-02 21:00:26,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12092 states, 8876 states have (on average 1.3637899954934656) internal successors, (12105), 9109 states have internal predecessors, (12105), 2585 states have call successors, (2585), 631 states have call predecessors, (2585), 630 states have return successors, (2584), 2495 states have call predecessors, (2584), 2584 states have call successors, (2584) [2022-11-02 21:00:26,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12092 states to 12092 states and 17274 transitions. [2022-11-02 21:00:26,479 INFO L78 Accepts]: Start accepts. Automaton has 12092 states and 17274 transitions. Word has length 116 [2022-11-02 21:00:26,480 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 21:00:26,480 INFO L495 AbstractCegarLoop]: Abstraction has 12092 states and 17274 transitions. [2022-11-02 21:00:26,480 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.5) internal successors, (76), 6 states have internal predecessors, (76), 2 states have call successors, (14), 4 states have call predecessors, (14), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-11-02 21:00:26,480 INFO L276 IsEmpty]: Start isEmpty. Operand 12092 states and 17274 transitions. [2022-11-02 21:00:26,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-11-02 21:00:26,492 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 21:00:26,493 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 21:00:26,493 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-02 21:00:26,493 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 21:00:26,494 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:00:26,494 INFO L85 PathProgramCache]: Analyzing trace with hash 1198948166, now seen corresponding path program 1 times [2022-11-02 21:00:26,494 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:00:26,495 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1418585340] [2022-11-02 21:00:26,495 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:00:26,495 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:00:26,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:00:27,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-02 21:00:27,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:00:27,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-02 21:00:27,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:00:27,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-11-02 21:00:27,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:00:27,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-11-02 21:00:27,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:00:27,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-11-02 21:00:27,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:00:27,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-11-02 21:00:27,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:00:27,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-11-02 21:00:27,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:00:27,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2022-11-02 21:00:27,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:00:27,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2022-11-02 21:00:27,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:00:27,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-11-02 21:00:27,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:00:27,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2022-11-02 21:00:27,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:00:27,228 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2022-11-02 21:00:27,228 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 21:00:27,228 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1418585340] [2022-11-02 21:00:27,229 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1418585340] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 21:00:27,229 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 21:00:27,229 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-02 21:00:27,229 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [179719245] [2022-11-02 21:00:27,229 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 21:00:27,230 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-02 21:00:27,230 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 21:00:27,230 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-02 21:00:27,230 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-02 21:00:27,231 INFO L87 Difference]: Start difference. First operand 12092 states and 17274 transitions. Second operand has 5 states, 5 states have (on average 14.6) internal successors, (73), 3 states have internal predecessors, (73), 2 states have call successors, (14), 5 states have call predecessors, (14), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2022-11-02 21:00:30,353 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 21:00:32,372 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 21:00:45,739 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 21:00:45,739 INFO L93 Difference]: Finished difference Result 13965 states and 20267 transitions. [2022-11-02 21:00:45,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-02 21:00:45,740 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.6) internal successors, (73), 3 states have internal predecessors, (73), 2 states have call successors, (14), 5 states have call predecessors, (14), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 116 [2022-11-02 21:00:45,740 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 21:00:45,741 INFO L225 Difference]: With dead ends: 13965 [2022-11-02 21:00:45,741 INFO L226 Difference]: Without dead ends: 0 [2022-11-02 21:00:45,789 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-02 21:00:45,790 INFO L413 NwaCegarLoop]: 3231 mSDtfsCounter, 2977 mSDsluCounter, 3630 mSDsCounter, 0 mSdLazyCounter, 2693 mSolverCounterSat, 1369 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3234 SdHoareTripleChecker+Valid, 6861 SdHoareTripleChecker+Invalid, 4063 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1369 IncrementalHoareTripleChecker+Valid, 2693 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.5s IncrementalHoareTripleChecker+Time [2022-11-02 21:00:45,791 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3234 Valid, 6861 Invalid, 4063 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1369 Valid, 2693 Invalid, 1 Unknown, 0 Unchecked, 17.5s Time] [2022-11-02 21:00:45,791 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-02 21:00:45,792 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-02 21:00:45,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:00:45,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-02 21:00:45,797 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 116 [2022-11-02 21:00:45,797 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 21:00:45,798 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-02 21:00:45,798 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.6) internal successors, (73), 3 states have internal predecessors, (73), 2 states have call successors, (14), 5 states have call predecessors, (14), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2022-11-02 21:00:45,798 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-02 21:00:45,801 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-02 21:00:45,804 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-02 21:00:45,805 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-02 21:00:45,808 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.