./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 791161d1 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 --- This is Ultimate 0.2.2-?-791161d [2022-07-22 23:58:38,843 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-22 23:58:38,845 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-22 23:58:38,882 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-22 23:58:38,883 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-22 23:58:38,884 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-22 23:58:38,888 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-22 23:58:38,891 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-22 23:58:38,893 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-22 23:58:38,898 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-22 23:58:38,899 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-22 23:58:38,901 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-22 23:58:38,901 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-22 23:58:38,903 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-22 23:58:38,905 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-22 23:58:38,907 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-22 23:58:38,908 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-22 23:58:38,910 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-22 23:58:38,913 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-22 23:58:38,918 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-22 23:58:38,920 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-22 23:58:38,921 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-22 23:58:38,922 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-22 23:58:38,923 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-22 23:58:38,924 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-22 23:58:38,931 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-22 23:58:38,932 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-22 23:58:38,932 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-22 23:58:38,933 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-22 23:58:38,934 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-22 23:58:38,935 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-22 23:58:38,935 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-22 23:58:38,937 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-22 23:58:38,938 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-22 23:58:38,938 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-22 23:58:38,939 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-22 23:58:38,939 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-22 23:58:38,940 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-22 23:58:38,940 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-22 23:58:38,941 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-22 23:58:38,942 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-22 23:58:38,944 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-22 23:58:38,944 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-22 23:58:38,972 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-22 23:58:38,972 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-22 23:58:38,973 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-22 23:58:38,973 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-22 23:58:38,974 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-22 23:58:38,974 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-22 23:58:38,975 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-22 23:58:38,975 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-22 23:58:38,975 INFO L138 SettingsManager]: * Use SBE=true [2022-07-22 23:58:38,976 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-22 23:58:38,977 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-22 23:58:38,977 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-22 23:58:38,977 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-22 23:58:38,977 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-22 23:58:38,977 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-22 23:58:38,977 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-22 23:58:38,978 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-22 23:58:38,978 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-22 23:58:38,978 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-22 23:58:38,978 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-22 23:58:38,978 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-22 23:58:38,979 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-22 23:58:38,979 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-22 23:58:38,980 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-22 23:58:38,980 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-22 23:58:38,981 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-22 23:58:38,981 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-22 23:58:38,981 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-22 23:58:38,981 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-22 23:58:38,981 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-22 23:58:38,982 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:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4bbc89768c1756f5fd8f2614e188ba9760b890a82deece54a04c4b385a5749d3 [2022-07-22 23:58:39,210 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-22 23:58:39,229 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-22 23:58:39,231 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-22 23:58:39,232 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-22 23:58:39,233 INFO L275 PluginConnector]: CDTParser initialized [2022-07-22 23:58:39,234 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../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 [2022-07-22 23:58:39,287 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e3020b545/53efe11e61dd40af8de450a8a9e44a03/FLAG98ea2c0fd [2022-07-22 23:58:40,070 INFO L306 CDTParser]: Found 1 translation units. [2022-07-22 23:58:40,071 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/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 [2022-07-22 23:58:40,122 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e3020b545/53efe11e61dd40af8de450a8a9e44a03/FLAG98ea2c0fd [2022-07-22 23:58:40,610 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e3020b545/53efe11e61dd40af8de450a8a9e44a03 [2022-07-22 23:58:40,612 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-22 23:58:40,614 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-22 23:58:40,615 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-22 23:58:40,615 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-22 23:58:40,621 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-22 23:58:40,622 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 11:58:40" (1/1) ... [2022-07-22 23:58:40,623 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@38ddc666 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 11:58:40, skipping insertion in model container [2022-07-22 23:58:40,623 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 11:58:40" (1/1) ... [2022-07-22 23:58:40,630 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-22 23:58:40,801 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-22 23:58:41,337 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [4296] [2022-07-22 23:58:41,338 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [4297-4298] [2022-07-22 23:58:41,949 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/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] [2022-07-22 23:58:43,727 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-22 23:58:43,753 INFO L203 MainTranslator]: Completed pre-run [2022-07-22 23:58:43,819 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [4296] [2022-07-22 23:58:43,821 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [4297-4298] [2022-07-22 23:58:43,834 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/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] [2022-07-22 23:58:44,274 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-22 23:58:44,445 INFO L208 MainTranslator]: Completed translation [2022-07-22 23:58:44,445 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 11:58:44 WrapperNode [2022-07-22 23:58:44,445 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-22 23:58:44,446 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-22 23:58:44,446 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-22 23:58:44,447 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-22 23:58:44,464 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 11:58:44" (1/1) ... [2022-07-22 23:58:44,641 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 11:58:44" (1/1) ... [2022-07-22 23:58:44,934 INFO L137 Inliner]: procedures = 362, calls = 6469, calls flagged for inlining = 182, calls inlined = 134, statements flattened = 9336 [2022-07-22 23:58:44,935 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-22 23:58:44,936 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-22 23:58:44,936 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-22 23:58:44,937 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-22 23:58:44,944 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 11:58:44" (1/1) ... [2022-07-22 23:58:44,945 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 11:58:44" (1/1) ... [2022-07-22 23:58:45,008 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 11:58:44" (1/1) ... [2022-07-22 23:58:45,009 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 11:58:44" (1/1) ... [2022-07-22 23:58:45,254 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 11:58:44" (1/1) ... [2022-07-22 23:58:45,285 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 11:58:44" (1/1) ... [2022-07-22 23:58:45,322 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 11:58:44" (1/1) ... [2022-07-22 23:58:45,372 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-22 23:58:45,374 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-22 23:58:45,374 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-22 23:58:45,374 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-22 23:58:45,375 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 11:58:44" (1/1) ... [2022-07-22 23:58:45,383 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-22 23:58:45,394 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 23:58:45,409 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-07-22 23:58:45,432 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-07-22 23:58:45,448 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2022-07-22 23:58:45,448 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2022-07-22 23:58:45,448 INFO L130 BoogieDeclarations]: Found specification of procedure blk_stop_queue [2022-07-22 23:58:45,449 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_stop_queue [2022-07-22 23:58:45,449 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_pcie_error_reporting [2022-07-22 23:58:45,449 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_pcie_error_reporting [2022-07-22 23:58:45,449 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2022-07-22 23:58:45,449 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-22 23:58:45,449 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-22 23:58:45,449 INFO L130 BoogieDeclarations]: Found specification of procedure skd_skdev_state_to_str [2022-07-22 23:58:45,450 INFO L138 BoogieDeclarations]: Found implementation of procedure skd_skdev_state_to_str [2022-07-22 23:58:45,450 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-07-22 23:58:45,450 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-07-22 23:58:45,451 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-22 23:58:45,451 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-22 23:58:45,451 INFO L130 BoogieDeclarations]: Found specification of procedure skd_quiesce_dev [2022-07-22 23:58:45,451 INFO L138 BoogieDeclarations]: Found implementation of procedure skd_quiesce_dev [2022-07-22 23:58:45,451 INFO L130 BoogieDeclarations]: Found specification of procedure lowmem_page_address [2022-07-22 23:58:45,451 INFO L138 BoogieDeclarations]: Found implementation of procedure lowmem_page_address [2022-07-22 23:58:45,451 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2022-07-22 23:58:45,451 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2022-07-22 23:58:45,452 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2022-07-22 23:58:45,452 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2022-07-22 23:58:45,452 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-22 23:58:45,452 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-22 23:58:45,452 INFO L130 BoogieDeclarations]: Found specification of procedure skd_cons_sg_list [2022-07-22 23:58:45,452 INFO L138 BoogieDeclarations]: Found implementation of procedure skd_cons_sg_list [2022-07-22 23:58:45,452 INFO L130 BoogieDeclarations]: Found specification of procedure skd_start_device [2022-07-22 23:58:45,453 INFO L138 BoogieDeclarations]: Found implementation of procedure skd_start_device [2022-07-22 23:58:45,453 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_word [2022-07-22 23:58:45,453 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_word [2022-07-22 23:58:45,453 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-07-22 23:58:45,453 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-07-22 23:58:45,453 INFO L130 BoogieDeclarations]: Found specification of procedure skd_postop_sg_list [2022-07-22 23:58:45,453 INFO L138 BoogieDeclarations]: Found implementation of procedure skd_postop_sg_list [2022-07-22 23:58:45,454 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-07-22 23:58:45,454 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-07-22 23:58:45,454 INFO L130 BoogieDeclarations]: Found specification of procedure blk_rq_sectors [2022-07-22 23:58:45,454 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_rq_sectors [2022-07-22 23:58:45,454 INFO L130 BoogieDeclarations]: Found specification of procedure skd_log_skreq [2022-07-22 23:58:45,455 INFO L138 BoogieDeclarations]: Found implementation of procedure skd_log_skreq [2022-07-22 23:58:45,455 INFO L130 BoogieDeclarations]: Found specification of procedure queue_flag_set_unlocked [2022-07-22 23:58:45,455 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_flag_set_unlocked [2022-07-22 23:58:45,455 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_pcie_error_reporting [2022-07-22 23:58:45,455 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_pcie_error_reporting [2022-07-22 23:58:45,455 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-22 23:58:45,456 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-22 23:58:45,456 INFO L130 BoogieDeclarations]: Found specification of procedure skd_disable_interrupts [2022-07-22 23:58:45,456 INFO L138 BoogieDeclarations]: Found implementation of procedure skd_disable_interrupts [2022-07-22 23:58:45,456 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-07-22 23:58:45,457 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-07-22 23:58:45,457 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2022-07-22 23:58:45,457 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2022-07-22 23:58:45,458 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2022-07-22 23:58:45,458 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2022-07-22 23:58:45,458 INFO L130 BoogieDeclarations]: Found specification of procedure skd_pci_remove [2022-07-22 23:58:45,459 INFO L138 BoogieDeclarations]: Found implementation of procedure skd_pci_remove [2022-07-22 23:58:45,459 INFO L130 BoogieDeclarations]: Found specification of procedure skd_drive_fault [2022-07-22 23:58:45,459 INFO L138 BoogieDeclarations]: Found implementation of procedure skd_drive_fault [2022-07-22 23:58:45,459 INFO L130 BoogieDeclarations]: Found specification of procedure skd_isr_fwstate [2022-07-22 23:58:45,459 INFO L138 BoogieDeclarations]: Found implementation of procedure skd_isr_fwstate [2022-07-22 23:58:45,459 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_1 [2022-07-22 23:58:45,460 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_1 [2022-07-22 23:58:45,460 INFO L130 BoogieDeclarations]: Found specification of procedure blk_rq_pos [2022-07-22 23:58:45,460 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_rq_pos [2022-07-22 23:58:45,460 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-22 23:58:45,460 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-07-22 23:58:45,460 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-07-22 23:58:45,460 INFO L130 BoogieDeclarations]: Found specification of procedure skd_drive_disappeared [2022-07-22 23:58:45,461 INFO L138 BoogieDeclarations]: Found implementation of procedure skd_drive_disappeared [2022-07-22 23:58:45,461 INFO L130 BoogieDeclarations]: Found specification of procedure skd_sg_io_copy_buffer [2022-07-22 23:58:45,461 INFO L138 BoogieDeclarations]: Found implementation of procedure skd_sg_io_copy_buffer [2022-07-22 23:58:45,461 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2022-07-22 23:58:45,462 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2022-07-22 23:58:45,462 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_pages [2022-07-22 23:58:45,462 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_pages [2022-07-22 23:58:45,462 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-22 23:58:45,462 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-07-22 23:58:45,462 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-07-22 23:58:45,463 INFO L130 BoogieDeclarations]: Found specification of procedure skd_reg_write64 [2022-07-22 23:58:45,463 INFO L138 BoogieDeclarations]: Found implementation of procedure skd_reg_write64 [2022-07-22 23:58:45,463 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2022-07-22 23:58:45,463 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2022-07-22 23:58:45,463 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap [2022-07-22 23:58:45,464 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap [2022-07-22 23:58:45,464 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-07-22 23:58:45,464 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-07-22 23:58:45,464 INFO L130 BoogieDeclarations]: Found specification of procedure __free_pages [2022-07-22 23:58:45,464 INFO L138 BoogieDeclarations]: Found implementation of procedure __free_pages [2022-07-22 23:58:45,464 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-22 23:58:45,465 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2022-07-22 23:58:45,465 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2022-07-22 23:58:45,465 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-22 23:58:45,466 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2022-07-22 23:58:45,466 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2022-07-22 23:58:45,466 INFO L130 BoogieDeclarations]: Found specification of procedure strcat [2022-07-22 23:58:45,467 INFO L130 BoogieDeclarations]: Found specification of procedure __chk_range_not_ok [2022-07-22 23:58:45,467 INFO L138 BoogieDeclarations]: Found implementation of procedure __chk_range_not_ok [2022-07-22 23:58:45,467 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-07-22 23:58:45,467 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-07-22 23:58:45,467 INFO L130 BoogieDeclarations]: Found specification of procedure skd_soft_reset [2022-07-22 23:58:45,467 INFO L138 BoogieDeclarations]: Found implementation of procedure skd_soft_reset [2022-07-22 23:58:45,467 INFO L130 BoogieDeclarations]: Found specification of procedure skd_start_timer [2022-07-22 23:58:45,468 INFO L138 BoogieDeclarations]: Found implementation of procedure skd_start_timer [2022-07-22 23:58:45,468 INFO L130 BoogieDeclarations]: Found specification of procedure skd_reg_write32 [2022-07-22 23:58:45,468 INFO L138 BoogieDeclarations]: Found implementation of procedure skd_reg_write32 [2022-07-22 23:58:45,468 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_consistent_dma_mask [2022-07-22 23:58:45,468 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_consistent_dma_mask [2022-07-22 23:58:45,469 INFO L130 BoogieDeclarations]: Found specification of procedure pci_find_capability [2022-07-22 23:58:45,469 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_find_capability [2022-07-22 23:58:45,469 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-07-22 23:58:45,469 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-07-22 23:58:45,469 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-07-22 23:58:45,470 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2022-07-22 23:58:45,470 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2022-07-22 23:58:45,472 INFO L130 BoogieDeclarations]: Found specification of procedure blk_requeue_request [2022-07-22 23:58:45,472 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_requeue_request [2022-07-22 23:58:45,473 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-07-22 23:58:45,473 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-07-22 23:58:45,474 INFO L130 BoogieDeclarations]: Found specification of procedure sg_page [2022-07-22 23:58:45,475 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_page [2022-07-22 23:58:45,475 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-07-22 23:58:45,475 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_1 [2022-07-22 23:58:45,475 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_1 [2022-07-22 23:58:45,481 INFO L130 BoogieDeclarations]: Found specification of procedure skd_restart_device [2022-07-22 23:58:45,481 INFO L138 BoogieDeclarations]: Found implementation of procedure skd_restart_device [2022-07-22 23:58:45,481 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-22 23:58:45,481 INFO L130 BoogieDeclarations]: Found specification of procedure __copy_to_user [2022-07-22 23:58:45,481 INFO L138 BoogieDeclarations]: Found implementation of procedure __copy_to_user [2022-07-22 23:58:45,482 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-22 23:58:45,482 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-22 23:58:45,482 INFO L130 BoogieDeclarations]: Found specification of procedure skd_reg_read32 [2022-07-22 23:58:45,482 INFO L138 BoogieDeclarations]: Found implementation of procedure skd_reg_read32 [2022-07-22 23:58:45,482 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-07-22 23:58:45,482 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-07-22 23:58:45,482 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_timer_1 [2022-07-22 23:58:45,482 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_timer_1 [2022-07-22 23:58:45,483 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_dma_mask [2022-07-22 23:58:45,483 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_dma_mask [2022-07-22 23:58:45,483 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait_event [2022-07-22 23:58:45,483 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait_event [2022-07-22 23:58:45,483 INFO L130 BoogieDeclarations]: Found specification of procedure blk_start_queue [2022-07-22 23:58:45,484 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_start_queue [2022-07-22 23:58:45,484 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-22 23:58:45,484 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-22 23:58:45,484 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2022-07-22 23:58:45,484 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2022-07-22 23:58:45,484 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-22 23:58:45,484 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-07-22 23:58:45,484 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-07-22 23:58:45,484 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_drvdata [2022-07-22 23:58:45,485 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_drvdata [2022-07-22 23:58:45,485 INFO L130 BoogieDeclarations]: Found specification of procedure skd_send_internal_skspcl [2022-07-22 23:58:45,485 INFO L138 BoogieDeclarations]: Found implementation of procedure skd_send_internal_skspcl [2022-07-22 23:58:45,485 INFO L130 BoogieDeclarations]: Found specification of procedure skd_release_special [2022-07-22 23:58:45,485 INFO L138 BoogieDeclarations]: Found implementation of procedure skd_release_special [2022-07-22 23:58:45,485 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-22 23:58:45,485 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-22 23:58:45,485 INFO L130 BoogieDeclarations]: Found specification of procedure pci_request_regions [2022-07-22 23:58:45,486 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_request_regions [2022-07-22 23:58:45,486 INFO L130 BoogieDeclarations]: Found specification of procedure skd_release_irq [2022-07-22 23:58:45,486 INFO L138 BoogieDeclarations]: Found implementation of procedure skd_release_irq [2022-07-22 23:58:45,486 INFO L130 BoogieDeclarations]: Found specification of procedure copy_user_generic [2022-07-22 23:58:45,486 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_user_generic [2022-07-22 23:58:45,486 INFO L130 BoogieDeclarations]: Found specification of procedure skd_free_sg_list [2022-07-22 23:58:45,486 INFO L138 BoogieDeclarations]: Found implementation of procedure skd_free_sg_list [2022-07-22 23:58:45,486 INFO L130 BoogieDeclarations]: Found specification of procedure skd_destruct [2022-07-22 23:58:45,487 INFO L138 BoogieDeclarations]: Found implementation of procedure skd_destruct [2022-07-22 23:58:45,487 INFO L130 BoogieDeclarations]: Found specification of procedure skd_drive_state_to_str [2022-07-22 23:58:45,487 INFO L138 BoogieDeclarations]: Found implementation of procedure skd_drive_state_to_str [2022-07-22 23:58:45,487 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-22 23:58:45,487 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2022-07-22 23:58:45,487 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2022-07-22 23:58:45,487 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-22 23:58:45,487 INFO L130 BoogieDeclarations]: Found specification of procedure skd_send_special_fitmsg [2022-07-22 23:58:45,487 INFO L138 BoogieDeclarations]: Found implementation of procedure skd_send_special_fitmsg [2022-07-22 23:58:45,488 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2022-07-22 23:58:45,488 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2022-07-22 23:58:45,488 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-22 23:58:45,488 INFO L130 BoogieDeclarations]: Found specification of procedure __blk_end_request_all [2022-07-22 23:58:45,488 INFO L138 BoogieDeclarations]: Found implementation of procedure __blk_end_request_all [2022-07-22 23:58:45,488 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-07-22 23:58:45,488 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_2 [2022-07-22 23:58:45,488 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_2 [2022-07-22 23:58:45,489 INFO L130 BoogieDeclarations]: Found specification of procedure current_thread_info [2022-07-22 23:58:45,489 INFO L138 BoogieDeclarations]: Found implementation of procedure current_thread_info [2022-07-22 23:58:45,489 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab64 [2022-07-22 23:58:45,489 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab64 [2022-07-22 23:58:45,489 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2022-07-22 23:58:45,489 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2022-07-22 23:58:45,489 INFO L130 BoogieDeclarations]: Found specification of procedure skd_name [2022-07-22 23:58:45,489 INFO L138 BoogieDeclarations]: Found implementation of procedure skd_name [2022-07-22 23:58:45,490 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2022-07-22 23:58:45,490 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2022-07-22 23:58:45,490 INFO L130 BoogieDeclarations]: Found specification of procedure skd_release_msix [2022-07-22 23:58:45,490 INFO L138 BoogieDeclarations]: Found implementation of procedure skd_release_msix [2022-07-22 23:58:45,490 INFO L130 BoogieDeclarations]: Found specification of procedure skd_end_request [2022-07-22 23:58:45,490 INFO L138 BoogieDeclarations]: Found implementation of procedure skd_end_request [2022-07-22 23:58:45,490 INFO L130 BoogieDeclarations]: Found specification of procedure skd_recover_requests [2022-07-22 23:58:45,490 INFO L138 BoogieDeclarations]: Found implementation of procedure skd_recover_requests [2022-07-22 23:58:45,491 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2022-07-22 23:58:45,491 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2022-07-22 23:58:45,491 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-07-22 23:58:45,491 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-07-22 23:58:45,491 INFO L130 BoogieDeclarations]: Found specification of procedure devm_free_irq [2022-07-22 23:58:45,491 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_free_irq [2022-07-22 23:58:45,491 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2022-07-22 23:58:45,491 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2022-07-22 23:58:45,492 INFO L130 BoogieDeclarations]: Found specification of procedure __copy_from_user [2022-07-22 23:58:45,492 INFO L138 BoogieDeclarations]: Found implementation of procedure __copy_from_user [2022-07-22 23:58:45,492 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_msi [2022-07-22 23:58:45,492 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_msi [2022-07-22 23:58:45,492 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2022-07-22 23:58:45,492 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2022-07-22 23:58:45,492 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2022-07-22 23:58:45,492 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2022-07-22 23:58:45,492 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2022-07-22 23:58:45,493 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2022-07-22 23:58:45,493 INFO L130 BoogieDeclarations]: Found specification of procedure skd_pci_shutdown [2022-07-22 23:58:45,493 INFO L138 BoogieDeclarations]: Found implementation of procedure skd_pci_shutdown [2022-07-22 23:58:45,493 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout [2022-07-22 23:58:45,493 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout [2022-07-22 23:58:45,493 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-22 23:58:45,493 INFO L130 BoogieDeclarations]: Found specification of procedure skd_stop_device [2022-07-22 23:58:45,493 INFO L138 BoogieDeclarations]: Found implementation of procedure skd_stop_device [2022-07-22 23:58:45,494 INFO L130 BoogieDeclarations]: Found specification of procedure skd_acquire_irq [2022-07-22 23:58:45,494 INFO L138 BoogieDeclarations]: Found implementation of procedure skd_acquire_irq [2022-07-22 23:58:45,494 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2022-07-22 23:58:45,494 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2022-07-22 23:58:45,494 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-22 23:58:45,494 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-22 23:58:45,494 INFO L130 BoogieDeclarations]: Found specification of procedure writeq [2022-07-22 23:58:45,494 INFO L138 BoogieDeclarations]: Found implementation of procedure writeq [2022-07-22 23:58:45,495 INFO L130 BoogieDeclarations]: Found specification of procedure devm_request_irq [2022-07-22 23:58:45,495 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_request_irq [2022-07-22 23:58:46,448 INFO L234 CfgBuilder]: Building ICFG [2022-07-22 23:58:46,453 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-22 23:58:46,728 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-22 23:58:46,940 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L5440: assume __copy_to_user_nocheck_#t~switch289#1;__copy_to_user_nocheck_#res#1 := __copy_to_user_nocheck_~ret~3#1; [2022-07-22 23:58:46,941 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L5440: assume !__copy_to_user_nocheck_#t~switch289#1;__copy_to_user_nocheck_#t~switch289#1 := __copy_to_user_nocheck_#t~switch289#1 || 4 == __copy_to_user_nocheck_~size#1; [2022-07-22 23:58:46,941 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L5467: SUMMARY for call __copy_to_user_nocheck_#t~ret291#1 := ldv__builtin_expect((if 0 != __copy_to_user_nocheck_~ret~3#1 then 1 else 0), 0); srcloc: null [2022-07-22 23:58:46,941 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L5467-1: assume -9223372036854775808 <= __copy_to_user_nocheck_#t~ret291#1 && __copy_to_user_nocheck_#t~ret291#1 <= 9223372036854775807;__copy_to_user_nocheck_~tmp___1~7#1 := __copy_to_user_nocheck_#t~ret291#1;havoc __copy_to_user_nocheck_#t~ret291#1; [2022-07-22 23:58:46,941 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L5455: SUMMARY for call __copy_to_user_nocheck_#t~ret290#1 := ldv__builtin_expect((if 0 != __copy_to_user_nocheck_~ret~3#1 then 1 else 0), 0); srcloc: null [2022-07-22 23:58:46,942 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L5455-1: assume -9223372036854775808 <= __copy_to_user_nocheck_#t~ret290#1 && __copy_to_user_nocheck_#t~ret290#1 <= 9223372036854775807;__copy_to_user_nocheck_~tmp___0~11#1 := __copy_to_user_nocheck_#t~ret290#1;havoc __copy_to_user_nocheck_#t~ret290#1; [2022-07-22 23:58:46,942 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1: assume __copy_to_user_nocheck_#t~switch289#1;__copy_to_user_nocheck_#res#1 := __copy_to_user_nocheck_~ret~3#1; [2022-07-22 23:58:46,942 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2: assume !__copy_to_user_nocheck_#t~switch289#1;__copy_to_user_nocheck_#t~switch289#1 := __copy_to_user_nocheck_#t~switch289#1 || 2 == __copy_to_user_nocheck_~size#1; [2022-07-22 23:58:46,942 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L5476: assume __copy_to_user_nocheck_#t~switch289#1; [2022-07-22 23:58:46,942 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L5476: assume !__copy_to_user_nocheck_#t~switch289#1; [2022-07-22 23:58:46,942 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L5435: havoc __copy_to_user_nocheck_#t~switch289#1; [2022-07-22 23:58:46,943 INFO L764 $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; [2022-07-22 23:58:46,943 INFO L764 $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; [2022-07-22 23:58:46,943 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L5464: assume __copy_to_user_nocheck_#t~switch289#1; [2022-07-22 23:58:46,943 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L5464: assume !__copy_to_user_nocheck_#t~switch289#1;__copy_to_user_nocheck_#t~switch289#1 := true; [2022-07-22 23:58:46,943 INFO L764 $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; [2022-07-22 23:58:46,943 INFO L764 $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; [2022-07-22 23:58:46,943 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L5452: assume __copy_to_user_nocheck_#t~switch289#1; [2022-07-22 23:58:46,943 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L5452: assume !__copy_to_user_nocheck_#t~switch289#1;__copy_to_user_nocheck_#t~switch289#1 := __copy_to_user_nocheck_#t~switch289#1 || 16 == __copy_to_user_nocheck_~size#1; [2022-07-22 23:58:46,944 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L5448: assume __copy_to_user_nocheck_#t~switch289#1;__copy_to_user_nocheck_#res#1 := __copy_to_user_nocheck_~ret~3#1; [2022-07-22 23:58:46,944 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L5448: assume !__copy_to_user_nocheck_#t~switch289#1;__copy_to_user_nocheck_#t~switch289#1 := __copy_to_user_nocheck_#t~switch289#1 || 10 == __copy_to_user_nocheck_~size#1; [2022-07-22 23:58:46,944 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L5477: SUMMARY for call __copy_to_user_nocheck_#t~ret292#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 [2022-07-22 23:58:46,944 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L5444: assume __copy_to_user_nocheck_#t~switch289#1;__copy_to_user_nocheck_#res#1 := __copy_to_user_nocheck_~ret~3#1; [2022-07-22 23:58:46,944 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L5444: assume !__copy_to_user_nocheck_#t~switch289#1;__copy_to_user_nocheck_#t~switch289#1 := __copy_to_user_nocheck_#t~switch289#1 || 8 == __copy_to_user_nocheck_~size#1; [2022-07-22 23:58:46,944 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L5477-1: __copy_to_user_nocheck_~tmp___2~3#1 := __copy_to_user_nocheck_#t~ret292#1;havoc __copy_to_user_nocheck_#t~ret292#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); [2022-07-22 23:58:49,144 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L5362: havoc __copy_from_user_nocheck_#t~switch283#1; [2022-07-22 23:58:49,144 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L5387: SUMMARY for call __copy_from_user_nocheck_#t~ret284#1 := ldv__builtin_expect((if 0 != __copy_from_user_nocheck_~ret~2#1 then 1 else 0), 0); srcloc: null [2022-07-22 23:58:49,145 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L5387-1: assume -9223372036854775808 <= __copy_from_user_nocheck_#t~ret284#1 && __copy_from_user_nocheck_#t~ret284#1 <= 9223372036854775807;__copy_from_user_nocheck_~tmp___0~10#1 := __copy_from_user_nocheck_#t~ret284#1;havoc __copy_from_user_nocheck_#t~ret284#1; [2022-07-22 23:58:49,145 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L5383: assume __copy_from_user_nocheck_#t~switch283#1; [2022-07-22 23:58:49,145 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L5383: assume !__copy_from_user_nocheck_#t~switch283#1;__copy_from_user_nocheck_#t~switch283#1 := __copy_from_user_nocheck_#t~switch283#1 || 16 == __copy_from_user_nocheck_~size#1; [2022-07-22 23:58:49,145 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L5400-1: assume -9223372036854775808 <= __copy_from_user_nocheck_#t~ret285#1 && __copy_from_user_nocheck_#t~ret285#1 <= 9223372036854775807;__copy_from_user_nocheck_~tmp___1~6#1 := __copy_from_user_nocheck_#t~ret285#1;havoc __copy_from_user_nocheck_#t~ret285#1; [2022-07-22 23:58:49,145 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L5400: SUMMARY for call __copy_from_user_nocheck_#t~ret285#1 := ldv__builtin_expect((if 0 != __copy_from_user_nocheck_~ret~2#1 then 1 else 0), 0); srcloc: null [2022-07-22 23:58:49,145 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L5396: assume __copy_from_user_nocheck_#t~switch283#1; [2022-07-22 23:58:49,145 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L5396: assume !__copy_from_user_nocheck_#t~switch283#1;__copy_from_user_nocheck_#t~switch283#1 := true; [2022-07-22 23:58:49,145 INFO L764 $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; [2022-07-22 23:58:49,145 INFO L764 $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; [2022-07-22 23:58:49,145 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L5409: assume __copy_from_user_nocheck_#t~switch283#1; [2022-07-22 23:58:49,145 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L5409: assume !__copy_from_user_nocheck_#t~switch283#1; [2022-07-22 23:58:49,145 INFO L764 $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; [2022-07-22 23:58:49,145 INFO L764 $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; [2022-07-22 23:58:49,145 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L5368: assume __copy_from_user_nocheck_#t~switch283#1;__copy_from_user_nocheck_#res#1 := __copy_from_user_nocheck_~ret~2#1; [2022-07-22 23:58:49,145 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L5368: assume !__copy_from_user_nocheck_#t~switch283#1;__copy_from_user_nocheck_#t~switch283#1 := __copy_from_user_nocheck_#t~switch283#1 || 4 == __copy_from_user_nocheck_~size#1; [2022-07-22 23:58:49,146 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1: assume __copy_from_user_nocheck_#t~switch283#1;__copy_from_user_nocheck_#res#1 := __copy_from_user_nocheck_~ret~2#1; [2022-07-22 23:58:49,146 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L5410: SUMMARY for call __copy_from_user_nocheck_#t~ret286#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 [2022-07-22 23:58:49,146 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2: assume !__copy_from_user_nocheck_#t~switch283#1;__copy_from_user_nocheck_#t~switch283#1 := __copy_from_user_nocheck_#t~switch283#1 || 2 == __copy_from_user_nocheck_~size#1; [2022-07-22 23:58:49,146 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L5410-1: __copy_from_user_nocheck_~tmp___2~2#1 := __copy_from_user_nocheck_#t~ret286#1;havoc __copy_from_user_nocheck_#t~ret286#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); [2022-07-22 23:58:49,146 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L5373: assume __copy_from_user_nocheck_#t~switch283#1;__copy_from_user_nocheck_#res#1 := __copy_from_user_nocheck_~ret~2#1; [2022-07-22 23:58:49,146 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L5373: assume !__copy_from_user_nocheck_#t~switch283#1;__copy_from_user_nocheck_#t~switch283#1 := __copy_from_user_nocheck_#t~switch283#1 || 8 == __copy_from_user_nocheck_~size#1; [2022-07-22 23:58:49,146 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L5378: assume __copy_from_user_nocheck_#t~switch283#1;__copy_from_user_nocheck_#res#1 := __copy_from_user_nocheck_~ret~2#1; [2022-07-22 23:58:49,146 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint L5378: assume !__copy_from_user_nocheck_#t~switch283#1;__copy_from_user_nocheck_#t~switch283#1 := __copy_from_user_nocheck_#t~switch283#1 || 10 == __copy_from_user_nocheck_~size#1; [2022-07-22 23:58:55,323 INFO L275 CfgBuilder]: Performing block encoding [2022-07-22 23:58:55,349 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-22 23:58:55,350 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-07-22 23:58:55,355 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 11:58:55 BoogieIcfgContainer [2022-07-22 23:58:55,356 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-22 23:58:55,358 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-22 23:58:55,358 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-22 23:58:55,362 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-22 23:58:55,362 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.07 11:58:40" (1/3) ... [2022-07-22 23:58:55,363 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@33bce815 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.07 11:58:55, skipping insertion in model container [2022-07-22 23:58:55,363 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 11:58:44" (2/3) ... [2022-07-22 23:58:55,364 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@33bce815 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.07 11:58:55, skipping insertion in model container [2022-07-22 23:58:55,364 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 11:58:55" (3/3) ... [2022-07-22 23:58:55,365 INFO L111 eAbstractionObserver]: Analyzing ICFG 43_2a_bitvector_linux-3.16-rc1.tar.xz-43_2a-drivers--block--skd.ko-entry_point.cil.out.i [2022-07-22 23:58:55,382 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-22 23:58:55,383 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-22 23:58:55,509 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-22 23:58:55,514 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=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@4a974c04, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@165e5890 [2022-07-22 23:58:55,515 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-22 23:58:55,526 INFO L276 IsEmpty]: Start isEmpty. Operand has 2375 states, 1750 states have (on average 1.3845714285714286) internal successors, (2423), 1794 states have internal predecessors, (2423), 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) [2022-07-22 23:58:55,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2022-07-22 23:58:55,548 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 23:58:55,549 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] [2022-07-22 23:58:55,549 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 23:58:55,554 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 23:58:55,555 INFO L85 PathProgramCache]: Analyzing trace with hash -1425193695, now seen corresponding path program 1 times [2022-07-22 23:58:55,561 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 23:58:55,562 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [892497886] [2022-07-22 23:58:55,562 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 23:58:55,563 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 23:58:56,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:58:56,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-22 23:58:56,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:58:56,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-22 23:58:56,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:58:56,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-07-22 23:58:56,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:58:56,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-07-22 23:58:56,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:58:56,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-22 23:58:56,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:58:56,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-07-22 23:58:56,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:58:56,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2022-07-22 23:58:56,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:58:56,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-07-22 23:58:56,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:58:56,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-07-22 23:58:56,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:58:56,575 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-07-22 23:58:56,575 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 23:58:56,577 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [892497886] [2022-07-22 23:58:56,577 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [892497886] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 23:58:56,578 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 23:58:56,578 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-22 23:58:56,579 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1135425195] [2022-07-22 23:58:56,580 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 23:58:56,584 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-22 23:58:56,585 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 23:58:56,614 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-22 23:58:56,618 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-22 23:58:56,627 INFO L87 Difference]: Start difference. First operand has 2375 states, 1750 states have (on average 1.3845714285714286) internal successors, (2423), 1794 states have internal predecessors, (2423), 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) [2022-07-22 23:58:59,831 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.92s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-22 23:59:11,931 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 23:59:11,932 INFO L93 Difference]: Finished difference Result 6416 states and 9536 transitions. [2022-07-22 23:59:11,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-22 23:59:11,934 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 [2022-07-22 23:59:11,935 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 23:59:11,980 INFO L225 Difference]: With dead ends: 6416 [2022-07-22 23:59:11,980 INFO L226 Difference]: Without dead ends: 4001 [2022-07-22 23:59:12,000 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-07-22 23:59:12,004 INFO L413 NwaCegarLoop]: 3716 mSDtfsCounter, 3525 mSDsluCounter, 5593 mSDsCounter, 0 mSdLazyCounter, 3831 mSolverCounterSat, 1869 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3723 SdHoareTripleChecker+Valid, 9309 SdHoareTripleChecker+Invalid, 5700 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1869 IncrementalHoareTripleChecker+Valid, 3831 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.7s IncrementalHoareTripleChecker+Time [2022-07-22 23:59:12,006 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3723 Valid, 9309 Invalid, 5700 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1869 Valid, 3831 Invalid, 0 Unknown, 0 Unchecked, 14.7s Time] [2022-07-22 23:59:12,030 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4001 states. [2022-07-22 23:59:12,372 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4001 to 3638. [2022-07-22 23:59:12,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3638 states, 2712 states have (on average 1.3672566371681416) internal successors, (3708), 2771 states have internal predecessors, (3708), 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) [2022-07-22 23:59:12,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3638 states to 3638 states and 5205 transitions. [2022-07-22 23:59:12,415 INFO L78 Accepts]: Start accepts. Automaton has 3638 states and 5205 transitions. Word has length 78 [2022-07-22 23:59:12,416 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 23:59:12,416 INFO L495 AbstractCegarLoop]: Abstraction has 3638 states and 5205 transitions. [2022-07-22 23:59:12,416 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) [2022-07-22 23:59:12,417 INFO L276 IsEmpty]: Start isEmpty. Operand 3638 states and 5205 transitions. [2022-07-22 23:59:12,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2022-07-22 23:59:12,435 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 23:59:12,436 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] [2022-07-22 23:59:12,436 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-22 23:59:12,437 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 23:59:12,437 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 23:59:12,437 INFO L85 PathProgramCache]: Analyzing trace with hash -1331122468, now seen corresponding path program 1 times [2022-07-22 23:59:12,438 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 23:59:12,438 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [94332780] [2022-07-22 23:59:12,440 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 23:59:12,440 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 23:59:12,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:59:12,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-22 23:59:12,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:59:12,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-22 23:59:12,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:59:13,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-07-22 23:59:13,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:59:13,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-07-22 23:59:13,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:59:13,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-22 23:59:13,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:59:13,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2022-07-22 23:59:13,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:59:13,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-07-22 23:59:13,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:59:13,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-22 23:59:13,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:59:13,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-07-22 23:59:13,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:59:13,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-07-22 23:59:13,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:59:13,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-07-22 23:59:13,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:59:13,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-07-22 23:59:13,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:59:13,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 23:59:13,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:59:13,107 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2022-07-22 23:59:13,107 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 23:59:13,107 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [94332780] [2022-07-22 23:59:13,108 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [94332780] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 23:59:13,108 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 23:59:13,108 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-22 23:59:13,108 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1896564703] [2022-07-22 23:59:13,110 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 23:59:13,112 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-22 23:59:13,112 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 23:59:13,112 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-22 23:59:13,113 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-22 23:59:13,114 INFO L87 Difference]: Start difference. First operand 3638 states and 5205 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) [2022-07-22 23:59:17,194 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-22 23:59:19,062 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.81s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-22 23:59:31,462 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-22 23:59:35,761 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 23:59:35,761 INFO L93 Difference]: Finished difference Result 10629 states and 15414 transitions. [2022-07-22 23:59:35,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-07-22 23:59:35,762 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 [2022-07-22 23:59:35,762 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 23:59:35,812 INFO L225 Difference]: With dead ends: 10629 [2022-07-22 23:59:35,812 INFO L226 Difference]: Without dead ends: 7010 [2022-07-22 23:59:35,832 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 [2022-07-22 23:59:35,833 INFO L413 NwaCegarLoop]: 4512 mSDtfsCounter, 5566 mSDsluCounter, 5908 mSDsCounter, 0 mSdLazyCounter, 7727 mSolverCounterSat, 3297 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5988 SdHoareTripleChecker+Valid, 10420 SdHoareTripleChecker+Invalid, 11025 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3297 IncrementalHoareTripleChecker+Valid, 7727 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 22.0s IncrementalHoareTripleChecker+Time [2022-07-22 23:59:35,834 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5988 Valid, 10420 Invalid, 11025 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3297 Valid, 7727 Invalid, 1 Unknown, 0 Unchecked, 22.0s Time] [2022-07-22 23:59:35,843 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7010 states. [2022-07-22 23:59:36,093 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7010 to 6295. [2022-07-22 23:59:36,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6295 states, 4679 states have (on average 1.3663175892284676) internal successors, (6393), 4796 states have internal predecessors, (6393), 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) [2022-07-22 23:59:36,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6295 states to 6295 states and 8988 transitions. [2022-07-22 23:59:36,139 INFO L78 Accepts]: Start accepts. Automaton has 6295 states and 8988 transitions. Word has length 119 [2022-07-22 23:59:36,139 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 23:59:36,140 INFO L495 AbstractCegarLoop]: Abstraction has 6295 states and 8988 transitions. [2022-07-22 23:59:36,140 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) [2022-07-22 23:59:36,140 INFO L276 IsEmpty]: Start isEmpty. Operand 6295 states and 8988 transitions. [2022-07-22 23:59:36,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-07-22 23:59:36,154 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 23:59:36,154 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] [2022-07-22 23:59:36,154 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-22 23:59:36,155 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 23:59:36,155 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 23:59:36,155 INFO L85 PathProgramCache]: Analyzing trace with hash 501978286, now seen corresponding path program 1 times [2022-07-22 23:59:36,158 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 23:59:36,158 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1804322932] [2022-07-22 23:59:36,159 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 23:59:36,159 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 23:59:36,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:59:36,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-22 23:59:36,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:59:36,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-22 23:59:36,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:59:36,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-07-22 23:59:36,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:59:36,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-07-22 23:59:36,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:59:36,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-07-22 23:59:36,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:59:36,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-22 23:59:36,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:59:36,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-07-22 23:59:36,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:59:36,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2022-07-22 23:59:36,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:59:36,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2022-07-22 23:59:36,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:59:36,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-07-22 23:59:36,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:59:36,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2022-07-22 23:59:36,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:59:36,774 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2022-07-22 23:59:36,774 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 23:59:36,774 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1804322932] [2022-07-22 23:59:36,774 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1804322932] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 23:59:36,774 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 23:59:36,775 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-22 23:59:36,775 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1010258880] [2022-07-22 23:59:36,775 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 23:59:36,836 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-22 23:59:36,836 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 23:59:36,847 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-22 23:59:36,848 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-22 23:59:36,848 INFO L87 Difference]: Start difference. First operand 6295 states and 8988 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) [2022-07-22 23:59:46,648 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 23:59:46,649 INFO L93 Difference]: Finished difference Result 13265 states and 19164 transitions. [2022-07-22 23:59:46,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-22 23:59:46,650 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 [2022-07-22 23:59:46,650 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 23:59:46,703 INFO L225 Difference]: With dead ends: 13265 [2022-07-22 23:59:46,703 INFO L226 Difference]: Without dead ends: 6993 [2022-07-22 23:59:46,739 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 [2022-07-22 23:59:46,740 INFO L413 NwaCegarLoop]: 3210 mSDtfsCounter, 4168 mSDsluCounter, 2850 mSDsCounter, 0 mSdLazyCounter, 2173 mSolverCounterSat, 1438 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4552 SdHoareTripleChecker+Valid, 6060 SdHoareTripleChecker+Invalid, 3611 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1438 IncrementalHoareTripleChecker+Valid, 2173 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.4s IncrementalHoareTripleChecker+Time [2022-07-22 23:59:46,741 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4552 Valid, 6060 Invalid, 3611 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1438 Valid, 2173 Invalid, 0 Unknown, 0 Unchecked, 9.4s Time] [2022-07-22 23:59:46,750 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6993 states. [2022-07-22 23:59:47,045 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6993 to 6295. [2022-07-22 23:59:47,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6295 states, 4679 states have (on average 1.3654627057063475) internal successors, (6389), 4796 states have internal predecessors, (6389), 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) [2022-07-22 23:59:47,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6295 states to 6295 states and 8984 transitions. [2022-07-22 23:59:47,090 INFO L78 Accepts]: Start accepts. Automaton has 6295 states and 8984 transitions. Word has length 116 [2022-07-22 23:59:47,091 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 23:59:47,091 INFO L495 AbstractCegarLoop]: Abstraction has 6295 states and 8984 transitions. [2022-07-22 23:59:47,091 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) [2022-07-22 23:59:47,092 INFO L276 IsEmpty]: Start isEmpty. Operand 6295 states and 8984 transitions. [2022-07-22 23:59:47,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-07-22 23:59:47,100 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 23:59:47,100 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] [2022-07-22 23:59:47,101 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-22 23:59:47,101 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 23:59:47,101 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 23:59:47,102 INFO L85 PathProgramCache]: Analyzing trace with hash 1389201132, now seen corresponding path program 1 times [2022-07-22 23:59:47,102 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 23:59:47,102 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [50161393] [2022-07-22 23:59:47,102 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 23:59:47,102 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 23:59:47,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:59:47,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-22 23:59:47,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:59:47,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-22 23:59:47,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:59:47,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-07-22 23:59:47,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:59:47,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-07-22 23:59:47,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:59:47,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-07-22 23:59:47,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:59:47,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-22 23:59:47,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:59:47,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-07-22 23:59:47,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:59:47,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2022-07-22 23:59:47,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:59:47,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2022-07-22 23:59:47,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:59:47,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-07-22 23:59:47,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:59:47,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2022-07-22 23:59:47,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:59:47,606 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2022-07-22 23:59:47,606 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 23:59:47,606 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [50161393] [2022-07-22 23:59:47,607 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [50161393] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 23:59:47,607 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 23:59:47,607 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-22 23:59:47,607 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [497760761] [2022-07-22 23:59:47,607 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 23:59:47,608 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-22 23:59:47,608 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 23:59:47,608 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-22 23:59:47,609 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-22 23:59:47,609 INFO L87 Difference]: Start difference. First operand 6295 states and 8984 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) [2022-07-22 23:59:57,274 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 23:59:57,274 INFO L93 Difference]: Finished difference Result 13265 states and 19156 transitions. [2022-07-22 23:59:57,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-22 23:59:57,275 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 [2022-07-22 23:59:57,275 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 23:59:57,324 INFO L225 Difference]: With dead ends: 13265 [2022-07-22 23:59:57,324 INFO L226 Difference]: Without dead ends: 6993 [2022-07-22 23:59:57,356 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 [2022-07-22 23:59:57,357 INFO L413 NwaCegarLoop]: 3219 mSDtfsCounter, 4170 mSDsluCounter, 2877 mSDsCounter, 0 mSdLazyCounter, 2169 mSolverCounterSat, 1446 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4537 SdHoareTripleChecker+Valid, 6096 SdHoareTripleChecker+Invalid, 3615 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1446 IncrementalHoareTripleChecker+Valid, 2169 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.3s IncrementalHoareTripleChecker+Time [2022-07-22 23:59:57,358 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4537 Valid, 6096 Invalid, 3615 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1446 Valid, 2169 Invalid, 0 Unknown, 0 Unchecked, 9.3s Time] [2022-07-22 23:59:57,368 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6993 states. [2022-07-22 23:59:57,781 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6993 to 6295. [2022-07-22 23:59:57,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6295 states, 4679 states have (on average 1.3646078221842275) internal successors, (6385), 4796 states have internal predecessors, (6385), 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) [2022-07-22 23:59:57,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6295 states to 6295 states and 8980 transitions. [2022-07-22 23:59:57,836 INFO L78 Accepts]: Start accepts. Automaton has 6295 states and 8980 transitions. Word has length 116 [2022-07-22 23:59:57,838 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 23:59:57,838 INFO L495 AbstractCegarLoop]: Abstraction has 6295 states and 8980 transitions. [2022-07-22 23:59:57,839 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) [2022-07-22 23:59:57,840 INFO L276 IsEmpty]: Start isEmpty. Operand 6295 states and 8980 transitions. [2022-07-22 23:59:57,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-07-22 23:59:57,849 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 23:59:57,849 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] [2022-07-22 23:59:57,849 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-07-22 23:59:57,849 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 23:59:57,850 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 23:59:57,850 INFO L85 PathProgramCache]: Analyzing trace with hash -521841426, now seen corresponding path program 1 times [2022-07-22 23:59:57,850 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 23:59:57,850 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [54219148] [2022-07-22 23:59:57,851 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 23:59:57,851 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 23:59:58,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:59:58,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-22 23:59:58,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:59:58,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-22 23:59:58,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:59:58,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-07-22 23:59:58,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:59:58,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-07-22 23:59:58,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:59:58,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-07-22 23:59:58,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:59:58,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-22 23:59:58,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:59:58,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-07-22 23:59:58,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:59:58,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2022-07-22 23:59:58,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:59:58,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2022-07-22 23:59:58,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:59:58,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-07-22 23:59:58,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:59:58,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2022-07-22 23:59:58,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 23:59:58,327 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2022-07-22 23:59:58,327 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 23:59:58,327 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [54219148] [2022-07-22 23:59:58,328 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [54219148] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 23:59:58,328 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 23:59:58,328 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-22 23:59:58,328 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [588413187] [2022-07-22 23:59:58,328 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 23:59:58,330 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-22 23:59:58,330 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 23:59:58,330 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-22 23:59:58,331 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-22 23:59:58,331 INFO L87 Difference]: Start difference. First operand 6295 states and 8980 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) [2022-07-23 00:00:01,772 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 00:00:03,034 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.26s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 00:00:08,917 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.61s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 00:00:12,423 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 00:00:12,423 INFO L93 Difference]: Finished difference Result 13265 states and 19148 transitions. [2022-07-23 00:00:12,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-23 00:00:12,424 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 [2022-07-23 00:00:12,424 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 00:00:12,520 INFO L225 Difference]: With dead ends: 13265 [2022-07-23 00:00:12,521 INFO L226 Difference]: Without dead ends: 6993 [2022-07-23 00:00:12,568 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 [2022-07-23 00:00:12,569 INFO L413 NwaCegarLoop]: 3207 mSDtfsCounter, 4166 mSDsluCounter, 2852 mSDsCounter, 0 mSdLazyCounter, 2169 mSolverCounterSat, 1444 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4546 SdHoareTripleChecker+Valid, 6059 SdHoareTripleChecker+Invalid, 3614 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1444 IncrementalHoareTripleChecker+Valid, 2169 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.7s IncrementalHoareTripleChecker+Time [2022-07-23 00:00:12,569 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4546 Valid, 6059 Invalid, 3614 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1444 Valid, 2169 Invalid, 1 Unknown, 0 Unchecked, 13.7s Time] [2022-07-23 00:00:12,579 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6993 states. [2022-07-23 00:00:12,966 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6993 to 6295. [2022-07-23 00:00:12,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6295 states, 4679 states have (on average 1.3637529386621072) internal successors, (6381), 4796 states have internal predecessors, (6381), 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) [2022-07-23 00:00:13,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6295 states to 6295 states and 8976 transitions. [2022-07-23 00:00:13,008 INFO L78 Accepts]: Start accepts. Automaton has 6295 states and 8976 transitions. Word has length 116 [2022-07-23 00:00:13,008 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 00:00:13,009 INFO L495 AbstractCegarLoop]: Abstraction has 6295 states and 8976 transitions. [2022-07-23 00:00:13,009 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) [2022-07-23 00:00:13,009 INFO L276 IsEmpty]: Start isEmpty. Operand 6295 states and 8976 transitions. [2022-07-23 00:00:13,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-07-23 00:00:13,018 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 00:00:13,018 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] [2022-07-23 00:00:13,019 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-07-23 00:00:13,019 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 00:00:13,019 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 00:00:13,020 INFO L85 PathProgramCache]: Analyzing trace with hash -444940628, now seen corresponding path program 1 times [2022-07-23 00:00:13,020 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 00:00:13,020 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [24021765] [2022-07-23 00:00:13,020 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 00:00:13,020 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 00:00:13,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:00:13,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 00:00:13,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:00:13,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-23 00:00:13,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:00:13,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-07-23 00:00:13,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:00:13,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-07-23 00:00:13,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:00:13,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-07-23 00:00:13,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:00:13,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-23 00:00:13,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:00:13,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-07-23 00:00:13,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:00:13,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2022-07-23 00:00:13,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:00:13,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2022-07-23 00:00:13,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:00:13,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-07-23 00:00:13,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:00:13,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2022-07-23 00:00:13,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:00:13,522 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2022-07-23 00:00:13,522 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 00:00:13,522 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [24021765] [2022-07-23 00:00:13,523 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [24021765] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 00:00:13,523 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 00:00:13,523 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-23 00:00:13,523 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [268684522] [2022-07-23 00:00:13,523 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 00:00:13,524 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-23 00:00:13,524 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 00:00:13,525 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-23 00:00:13,525 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-23 00:00:13,525 INFO L87 Difference]: Start difference. First operand 6295 states and 8976 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) [2022-07-23 00:00:22,611 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 00:00:25,767 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 00:00:25,767 INFO L93 Difference]: Finished difference Result 13265 states and 19140 transitions. [2022-07-23 00:00:25,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-23 00:00:25,785 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 [2022-07-23 00:00:25,786 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 00:00:25,890 INFO L225 Difference]: With dead ends: 13265 [2022-07-23 00:00:25,899 INFO L226 Difference]: Without dead ends: 6993 [2022-07-23 00:00:25,940 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 [2022-07-23 00:00:25,943 INFO L413 NwaCegarLoop]: 3200 mSDtfsCounter, 4164 mSDsluCounter, 2840 mSDsCounter, 0 mSdLazyCounter, 2166 mSolverCounterSat, 1445 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4549 SdHoareTripleChecker+Valid, 6040 SdHoareTripleChecker+Invalid, 3612 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1445 IncrementalHoareTripleChecker+Valid, 2166 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.8s IncrementalHoareTripleChecker+Time [2022-07-23 00:00:25,945 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4549 Valid, 6040 Invalid, 3612 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1445 Valid, 2166 Invalid, 1 Unknown, 0 Unchecked, 11.8s Time] [2022-07-23 00:00:25,963 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6993 states. [2022-07-23 00:00:26,496 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6993 to 6295. [2022-07-23 00:00:26,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6295 states, 4679 states have (on average 1.3628980551399872) internal successors, (6377), 4796 states have internal predecessors, (6377), 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) [2022-07-23 00:00:26,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6295 states to 6295 states and 8972 transitions. [2022-07-23 00:00:26,545 INFO L78 Accepts]: Start accepts. Automaton has 6295 states and 8972 transitions. Word has length 116 [2022-07-23 00:00:26,545 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 00:00:26,545 INFO L495 AbstractCegarLoop]: Abstraction has 6295 states and 8972 transitions. [2022-07-23 00:00:26,546 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) [2022-07-23 00:00:26,546 INFO L276 IsEmpty]: Start isEmpty. Operand 6295 states and 8972 transitions. [2022-07-23 00:00:26,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-07-23 00:00:26,558 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 00:00:26,559 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] [2022-07-23 00:00:26,559 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-07-23 00:00:26,559 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 00:00:26,559 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 00:00:26,560 INFO L85 PathProgramCache]: Analyzing trace with hash 1463517162, now seen corresponding path program 1 times [2022-07-23 00:00:26,560 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 00:00:26,560 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1591575861] [2022-07-23 00:00:26,560 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 00:00:26,560 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 00:00:26,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:00:26,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 00:00:26,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:00:26,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-23 00:00:26,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:00:26,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-07-23 00:00:26,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:00:26,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-07-23 00:00:26,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:00:27,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-07-23 00:00:27,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:00:27,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-23 00:00:27,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:00:27,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-07-23 00:00:27,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:00:27,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2022-07-23 00:00:27,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:00:27,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2022-07-23 00:00:27,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:00:27,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-07-23 00:00:27,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:00:27,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2022-07-23 00:00:27,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:00:27,093 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2022-07-23 00:00:27,093 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 00:00:27,093 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1591575861] [2022-07-23 00:00:27,094 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1591575861] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 00:00:27,094 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 00:00:27,094 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-23 00:00:27,094 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [675834896] [2022-07-23 00:00:27,094 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 00:00:27,095 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-07-23 00:00:27,095 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 00:00:27,095 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-07-23 00:00:27,095 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2022-07-23 00:00:27,096 INFO L87 Difference]: Start difference. First operand 6295 states and 8972 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) [2022-07-23 00:00:31,619 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 00:00:33,643 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 00:00:36,900 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 00:00:38,932 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 00:00:51,746 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 00:01:01,152 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 00:01:01,153 INFO L93 Difference]: Finished difference Result 20149 states and 29173 transitions. [2022-07-23 00:01:01,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-23 00:01:01,153 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 [2022-07-23 00:01:01,155 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 00:01:01,326 INFO L225 Difference]: With dead ends: 20149 [2022-07-23 00:01:01,327 INFO L226 Difference]: Without dead ends: 13877 [2022-07-23 00:01:01,366 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 [2022-07-23 00:01:01,366 INFO L413 NwaCegarLoop]: 5651 mSDtfsCounter, 10909 mSDsluCounter, 10850 mSDsCounter, 0 mSdLazyCounter, 7498 mSolverCounterSat, 5847 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 30.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11298 SdHoareTripleChecker+Valid, 16501 SdHoareTripleChecker+Invalid, 13348 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5847 IncrementalHoareTripleChecker+Valid, 7498 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 32.8s IncrementalHoareTripleChecker+Time [2022-07-23 00:01:01,366 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11298 Valid, 16501 Invalid, 13348 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5847 Valid, 7498 Invalid, 3 Unknown, 0 Unchecked, 32.8s Time] [2022-07-23 00:01:01,387 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13877 states. [2022-07-23 00:01:02,214 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13877 to 12480. [2022-07-23 00:01:02,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12480 states, 9264 states have (on average 1.3619386873920554) internal successors, (12617), 9497 states have internal predecessors, (12617), 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) [2022-07-23 00:01:02,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12480 states to 12480 states and 17786 transitions. [2022-07-23 00:01:02,313 INFO L78 Accepts]: Start accepts. Automaton has 12480 states and 17786 transitions. Word has length 116 [2022-07-23 00:01:02,314 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 00:01:02,314 INFO L495 AbstractCegarLoop]: Abstraction has 12480 states and 17786 transitions. [2022-07-23 00:01:02,314 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) [2022-07-23 00:01:02,314 INFO L276 IsEmpty]: Start isEmpty. Operand 12480 states and 17786 transitions. [2022-07-23 00:01:02,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-07-23 00:01:02,325 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 00:01:02,325 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] [2022-07-23 00:01:02,325 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-07-23 00:01:02,326 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 00:01:02,326 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 00:01:02,326 INFO L85 PathProgramCache]: Analyzing trace with hash 321014696, now seen corresponding path program 1 times [2022-07-23 00:01:02,327 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 00:01:02,327 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [706077029] [2022-07-23 00:01:02,327 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 00:01:02,327 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 00:01:02,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:01:02,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 00:01:02,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:01:02,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-23 00:01:02,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:01:02,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-07-23 00:01:02,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:01:02,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-07-23 00:01:02,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:01:02,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-07-23 00:01:02,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:01:02,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-23 00:01:02,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:01:02,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-07-23 00:01:02,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:01:02,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2022-07-23 00:01:02,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:01:02,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2022-07-23 00:01:02,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:01:02,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-07-23 00:01:02,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:01:02,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2022-07-23 00:01:02,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:01:02,953 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2022-07-23 00:01:02,953 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 00:01:02,954 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [706077029] [2022-07-23 00:01:02,954 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [706077029] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 00:01:02,954 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 00:01:02,954 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-23 00:01:02,954 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1709955853] [2022-07-23 00:01:02,954 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 00:01:02,955 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-23 00:01:02,955 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 00:01:02,956 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-23 00:01:02,956 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-23 00:01:02,956 INFO L87 Difference]: Start difference. First operand 12480 states and 17786 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) [2022-07-23 00:01:07,058 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 00:01:16,168 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 00:01:16,169 INFO L93 Difference]: Finished difference Result 14561 states and 21043 transitions. [2022-07-23 00:01:16,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-23 00:01:16,170 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 [2022-07-23 00:01:16,170 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 00:01:16,172 INFO L225 Difference]: With dead ends: 14561 [2022-07-23 00:01:16,172 INFO L226 Difference]: Without dead ends: 0 [2022-07-23 00:01:16,211 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-07-23 00:01:16,211 INFO L413 NwaCegarLoop]: 3313 mSDtfsCounter, 3085 mSDsluCounter, 3809 mSDsCounter, 0 mSdLazyCounter, 2694 mSolverCounterSat, 1370 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3337 SdHoareTripleChecker+Valid, 7122 SdHoareTripleChecker+Invalid, 4065 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1370 IncrementalHoareTripleChecker+Valid, 2694 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.5s IncrementalHoareTripleChecker+Time [2022-07-23 00:01:16,212 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3337 Valid, 7122 Invalid, 4065 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1370 Valid, 2694 Invalid, 1 Unknown, 0 Unchecked, 12.5s Time] [2022-07-23 00:01:16,212 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-07-23 00:01:16,212 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-07-23 00:01:16,213 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) [2022-07-23 00:01:16,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-07-23 00:01:16,216 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 116 [2022-07-23 00:01:16,216 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 00:01:16,216 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-23 00:01:16,216 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) [2022-07-23 00:01:16,216 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-07-23 00:01:16,217 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-07-23 00:01:16,219 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-07-23 00:01:16,220 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-07-23 00:01:16,222 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.