./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--scsi--dpt_i2o.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 35987657 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_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--scsi--dpt_i2o.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 0c3010ce5e1d1499df5a7edf91735fcbf8e6e49f56d21e0e77b6af352c375fd6 --- Real Ultimate output --- This is Ultimate 0.2.2-?-3598765 [2022-07-21 11:26:40,971 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-21 11:26:40,973 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-21 11:26:41,006 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-21 11:26:41,006 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-21 11:26:41,007 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-21 11:26:41,010 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-21 11:26:41,012 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-21 11:26:41,014 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-21 11:26:41,017 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-21 11:26:41,018 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-21 11:26:41,019 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-21 11:26:41,020 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-21 11:26:41,021 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-21 11:26:41,022 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-21 11:26:41,026 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-21 11:26:41,026 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-21 11:26:41,027 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-21 11:26:41,028 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-21 11:26:41,033 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-21 11:26:41,034 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-21 11:26:41,035 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-21 11:26:41,036 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-21 11:26:41,036 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-21 11:26:41,038 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-21 11:26:41,043 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-21 11:26:41,043 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-21 11:26:41,043 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-21 11:26:41,044 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-21 11:26:41,044 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-21 11:26:41,045 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-21 11:26:41,045 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-21 11:26:41,047 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-21 11:26:41,047 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-21 11:26:41,048 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-21 11:26:41,049 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-21 11:26:41,049 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-21 11:26:41,049 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-21 11:26:41,049 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-21 11:26:41,050 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-21 11:26:41,050 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-21 11:26:41,051 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-21 11:26:41,055 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-21 11:26:41,080 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-21 11:26:41,081 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-21 11:26:41,081 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-21 11:26:41,081 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-21 11:26:41,082 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-21 11:26:41,082 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-21 11:26:41,083 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-21 11:26:41,083 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-21 11:26:41,083 INFO L138 SettingsManager]: * Use SBE=true [2022-07-21 11:26:41,084 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-21 11:26:41,084 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-21 11:26:41,084 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-21 11:26:41,084 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-21 11:26:41,084 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-21 11:26:41,084 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-21 11:26:41,085 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-21 11:26:41,085 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-21 11:26:41,085 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-21 11:26:41,085 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-21 11:26:41,085 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-21 11:26:41,085 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-21 11:26:41,085 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 11:26:41,086 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-21 11:26:41,086 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-21 11:26:41,086 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-21 11:26:41,086 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-21 11:26:41,086 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-21 11:26:41,086 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-21 11:26:41,087 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-21 11:26:41,087 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-21 11:26:41,087 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0c3010ce5e1d1499df5a7edf91735fcbf8e6e49f56d21e0e77b6af352c375fd6 [2022-07-21 11:26:41,319 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-21 11:26:41,337 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-21 11:26:41,339 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-21 11:26:41,340 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-21 11:26:41,340 INFO L275 PluginConnector]: CDTParser initialized [2022-07-21 11:26:41,341 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--scsi--dpt_i2o.ko-entry_point.cil.out.i [2022-07-21 11:26:41,387 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/35ff52404/6a7a5aaee9d2423eb7e8ef236d5fcb58/FLAG7aa5a36c7 [2022-07-21 11:26:42,000 INFO L306 CDTParser]: Found 1 translation units. [2022-07-21 11:26:42,001 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--scsi--dpt_i2o.ko-entry_point.cil.out.i [2022-07-21 11:26:42,033 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/35ff52404/6a7a5aaee9d2423eb7e8ef236d5fcb58/FLAG7aa5a36c7 [2022-07-21 11:26:42,422 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/35ff52404/6a7a5aaee9d2423eb7e8ef236d5fcb58 [2022-07-21 11:26:42,428 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-21 11:26:42,430 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-21 11:26:42,432 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-21 11:26:42,432 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-21 11:26:42,434 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-21 11:26:42,435 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 11:26:42" (1/1) ... [2022-07-21 11:26:42,435 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e7c4369 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:26:42, skipping insertion in model container [2022-07-21 11:26:42,436 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 11:26:42" (1/1) ... [2022-07-21 11:26:42,440 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-21 11:26:42,553 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-21 11:26:42,938 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [4571] [2022-07-21 11:26:42,949 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [4572-4573] [2022-07-21 11:26:43,155 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_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--scsi--dpt_i2o.ko-entry_point.cil.out.i[141860,141873] [2022-07-21 11:26:43,819 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 11:26:43,834 INFO L203 MainTranslator]: Completed pre-run [2022-07-21 11:26:43,895 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [4571] [2022-07-21 11:26:43,897 WARN L1251 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [4572-4573] [2022-07-21 11:26:43,904 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_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--scsi--dpt_i2o.ko-entry_point.cil.out.i[141860,141873] [2022-07-21 11:26:44,220 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 11:26:44,282 INFO L208 MainTranslator]: Completed translation [2022-07-21 11:26:44,283 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:26:44 WrapperNode [2022-07-21 11:26:44,283 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-21 11:26:44,284 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-21 11:26:44,284 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-21 11:26:44,284 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-21 11:26:44,288 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:26:44" (1/1) ... [2022-07-21 11:26:44,366 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:26:44" (1/1) ... [2022-07-21 11:26:44,499 INFO L137 Inliner]: procedures = 250, calls = 2339, calls flagged for inlining = 129, calls inlined = 127, statements flattened = 6516 [2022-07-21 11:26:44,499 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-21 11:26:44,500 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-21 11:26:44,500 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-21 11:26:44,501 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-21 11:26:44,506 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:26:44" (1/1) ... [2022-07-21 11:26:44,507 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:26:44" (1/1) ... [2022-07-21 11:26:44,593 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:26:44" (1/1) ... [2022-07-21 11:26:44,594 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:26:44" (1/1) ... [2022-07-21 11:26:44,700 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:26:44" (1/1) ... [2022-07-21 11:26:44,724 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:26:44" (1/1) ... [2022-07-21 11:26:44,745 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:26:44" (1/1) ... [2022-07-21 11:26:44,773 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-21 11:26:44,775 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-21 11:26:44,775 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-21 11:26:44,776 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-21 11:26:44,776 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:26:44" (1/1) ... [2022-07-21 11:26:44,787 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 11:26:44,794 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-21 11:26:44,805 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) [2022-07-21 11:26:44,812 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 [2022-07-21 11:26:44,832 INFO L130 BoogieDeclarations]: Found specification of procedure adpt_cmd_from_context [2022-07-21 11:26:44,833 INFO L138 BoogieDeclarations]: Found implementation of procedure adpt_cmd_from_context [2022-07-21 11:26:44,833 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2022-07-21 11:26:44,833 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-21 11:26:44,833 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-21 11:26:44,833 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-07-21 11:26:44,833 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-07-21 11:26:44,833 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-21 11:26:44,834 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-21 11:26:44,834 INFO L130 BoogieDeclarations]: Found specification of procedure adpt_i2o_delete_hba [2022-07-21 11:26:44,834 INFO L138 BoogieDeclarations]: Found implementation of procedure adpt_i2o_delete_hba [2022-07-21 11:26:44,834 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_fromio [2022-07-21 11:26:44,834 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_fromio [2022-07-21 11:26:44,834 INFO L130 BoogieDeclarations]: Found specification of procedure file_inode [2022-07-21 11:26:44,834 INFO L138 BoogieDeclarations]: Found implementation of procedure file_inode [2022-07-21 11:26:44,834 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2022-07-21 11:26:44,835 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2022-07-21 11:26:44,835 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2022-07-21 11:26:44,835 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2022-07-21 11:26:44,835 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-21 11:26:44,835 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-21 11:26:44,835 INFO L130 BoogieDeclarations]: Found specification of procedure adpt_i2o_status_get [2022-07-21 11:26:44,835 INFO L138 BoogieDeclarations]: Found implementation of procedure adpt_i2o_status_get [2022-07-21 11:26:44,835 INFO L130 BoogieDeclarations]: Found specification of procedure adpt_i2o_build_sys_table [2022-07-21 11:26:44,836 INFO L138 BoogieDeclarations]: Found implementation of procedure adpt_i2o_build_sys_table [2022-07-21 11:26:44,836 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_bufflen [2022-07-21 11:26:44,836 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_bufflen [2022-07-21 11:26:44,836 INFO L130 BoogieDeclarations]: Found specification of procedure adpt_i2o_online_hba [2022-07-21 11:26:44,836 INFO L138 BoogieDeclarations]: Found implementation of procedure adpt_i2o_online_hba [2022-07-21 11:26:44,836 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_remove_host [2022-07-21 11:26:44,836 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_remove_host [2022-07-21 11:26:44,837 INFO L130 BoogieDeclarations]: Found specification of procedure __scsi_iterate_devices [2022-07-21 11:26:44,837 INFO L138 BoogieDeclarations]: Found implementation of procedure __scsi_iterate_devices [2022-07-21 11:26:44,837 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-07-21 11:26:44,837 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-07-21 11:26:44,837 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-07-21 11:26:44,837 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-07-21 11:26:44,837 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_scsi_host_template_2 [2022-07-21 11:26:44,838 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_scsi_host_template_2 [2022-07-21 11:26:44,838 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_toio [2022-07-21 11:26:44,838 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_toio [2022-07-21 11:26:44,838 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-21 11:26:44,838 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-21 11:26:44,838 INFO L130 BoogieDeclarations]: Found specification of procedure adpt_i2o_query_scalar [2022-07-21 11:26:44,839 INFO L138 BoogieDeclarations]: Found implementation of procedure adpt_i2o_query_scalar [2022-07-21 11:26:44,839 INFO L130 BoogieDeclarations]: Found specification of procedure dma_high [2022-07-21 11:26:44,839 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_high [2022-07-21 11:26:44,839 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-07-21 11:26:44,839 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-07-21 11:26:44,840 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-07-21 11:26:44,840 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-07-21 11:26:44,840 INFO L130 BoogieDeclarations]: Found specification of procedure adpt_hba_reset [2022-07-21 11:26:44,840 INFO L138 BoogieDeclarations]: Found implementation of procedure adpt_hba_reset [2022-07-21 11:26:44,841 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-21 11:26:44,841 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-21 11:26:44,841 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2022-07-21 11:26:44,841 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2022-07-21 11:26:44,842 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap [2022-07-21 11:26:44,842 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap [2022-07-21 11:26:44,842 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-07-21 11:26:44,842 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-07-21 11:26:44,842 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-21 11:26:44,842 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2022-07-21 11:26:44,842 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2022-07-21 11:26:44,843 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-21 11:26:44,843 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2022-07-21 11:26:44,843 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2022-07-21 11:26:44,843 INFO L130 BoogieDeclarations]: Found specification of procedure adpt_i2o_lct_get [2022-07-21 11:26:44,843 INFO L138 BoogieDeclarations]: Found implementation of procedure adpt_i2o_lct_get [2022-07-21 11:26:44,844 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-07-21 11:26:44,844 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-07-21 11:26:44,844 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-07-21 11:26:44,844 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-07-21 11:26:44,844 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2022-07-21 11:26:44,844 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2022-07-21 11:26:44,844 INFO L130 BoogieDeclarations]: Found specification of procedure adpt_i2o_reparse_lct [2022-07-21 11:26:44,844 INFO L138 BoogieDeclarations]: Found implementation of procedure adpt_i2o_reparse_lct [2022-07-21 11:26:44,844 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-07-21 11:26:44,845 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-07-21 11:26:44,845 INFO L130 BoogieDeclarations]: Found specification of procedure adpt_i2o_post_wait [2022-07-21 11:26:44,845 INFO L138 BoogieDeclarations]: Found implementation of procedure adpt_i2o_post_wait [2022-07-21 11:26:44,845 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-07-21 11:26:44,845 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-07-21 11:26:44,845 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-07-21 11:26:44,846 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2022-07-21 11:26:44,846 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2022-07-21 11:26:44,846 INFO L130 BoogieDeclarations]: Found specification of procedure dma_low [2022-07-21 11:26:44,846 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_low [2022-07-21 11:26:44,846 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-07-21 11:26:44,846 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-07-21 11:26:44,847 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-07-21 11:26:44,847 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-07-21 11:26:44,847 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_adjust_queue_depth [2022-07-21 11:26:44,847 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_adjust_queue_depth [2022-07-21 11:26:44,848 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-07-21 11:26:44,848 INFO L130 BoogieDeclarations]: Found specification of procedure adpt_i2o_activate_hba [2022-07-21 11:26:44,848 INFO L138 BoogieDeclarations]: Found implementation of procedure adpt_i2o_activate_hba [2022-07-21 11:26:44,848 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2022-07-21 11:26:44,849 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2022-07-21 11:26:44,849 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-21 11:26:44,849 INFO L130 BoogieDeclarations]: Found specification of procedure adpt_ioctl [2022-07-21 11:26:44,849 INFO L138 BoogieDeclarations]: Found implementation of procedure adpt_ioctl [2022-07-21 11:26:44,849 INFO L130 BoogieDeclarations]: Found specification of procedure adpt_i2o_reset_hba [2022-07-21 11:26:44,849 INFO L138 BoogieDeclarations]: Found implementation of procedure adpt_i2o_reset_hba [2022-07-21 11:26:44,849 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-21 11:26:44,849 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-21 11:26:44,850 INFO L130 BoogieDeclarations]: Found specification of procedure adpt_read_blink_led [2022-07-21 11:26:44,850 INFO L138 BoogieDeclarations]: Found implementation of procedure adpt_read_blink_led [2022-07-21 11:26:44,850 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-07-21 11:26:44,850 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-07-21 11:26:44,850 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_dma_mask [2022-07-21 11:26:44,850 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_dma_mask [2022-07-21 11:26:44,851 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-21 11:26:44,851 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-21 11:26:44,851 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-21 11:26:44,853 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2022-07-21 11:26:44,853 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2022-07-21 11:26:44,853 INFO L130 BoogieDeclarations]: Found specification of procedure adpt_send_nop [2022-07-21 11:26:44,854 INFO L138 BoogieDeclarations]: Found implementation of procedure adpt_send_nop [2022-07-21 11:26:44,855 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2022-07-21 11:26:44,855 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2022-07-21 11:26:44,855 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-21 11:26:44,855 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-21 11:26:44,855 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-21 11:26:44,859 INFO L130 BoogieDeclarations]: Found specification of procedure adpt_i2o_install_device [2022-07-21 11:26:44,859 INFO L138 BoogieDeclarations]: Found implementation of procedure adpt_i2o_install_device [2022-07-21 11:26:44,859 INFO L130 BoogieDeclarations]: Found specification of procedure dpt_dma64 [2022-07-21 11:26:44,860 INFO L138 BoogieDeclarations]: Found implementation of procedure dpt_dma64 [2022-07-21 11:26:44,860 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2022-07-21 11:26:44,860 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2022-07-21 11:26:44,860 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-21 11:26:44,860 INFO L130 BoogieDeclarations]: Found specification of procedure adpt_cmd_to_context [2022-07-21 11:26:44,860 INFO L138 BoogieDeclarations]: Found implementation of procedure adpt_cmd_to_context [2022-07-21 11:26:44,860 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-21 11:26:44,860 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-07-21 11:26:44,860 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2022-07-21 11:26:44,861 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2022-07-21 11:26:44,861 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-07-21 11:26:44,861 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-07-21 11:26:44,861 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2022-07-21 11:26:44,861 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2022-07-21 11:26:44,861 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2022-07-21 11:26:44,861 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2022-07-21 11:26:44,861 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_device_set_state [2022-07-21 11:26:44,861 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_device_set_state [2022-07-21 11:26:44,861 INFO L130 BoogieDeclarations]: Found specification of procedure iminor [2022-07-21 11:26:44,862 INFO L138 BoogieDeclarations]: Found implementation of procedure iminor [2022-07-21 11:26:44,862 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_device_online [2022-07-21 11:26:44,862 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_device_online [2022-07-21 11:26:44,862 INFO L130 BoogieDeclarations]: Found specification of procedure adpt_i2o_post_this [2022-07-21 11:26:44,862 INFO L138 BoogieDeclarations]: Found implementation of procedure adpt_i2o_post_this [2022-07-21 11:26:44,862 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-07-21 11:26:44,862 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-07-21 11:26:44,862 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2022-07-21 11:26:44,862 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2022-07-21 11:26:44,863 INFO L130 BoogieDeclarations]: Found specification of procedure adpt_i2o_sys_shutdown [2022-07-21 11:26:44,863 INFO L138 BoogieDeclarations]: Found implementation of procedure adpt_i2o_sys_shutdown [2022-07-21 11:26:44,863 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2022-07-21 11:26:44,863 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2022-07-21 11:26:44,863 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2022-07-21 11:26:44,863 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2022-07-21 11:26:44,863 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-21 11:26:44,863 INFO L130 BoogieDeclarations]: Found specification of procedure adpt_i2o_report_hba_unit [2022-07-21 11:26:44,863 INFO L138 BoogieDeclarations]: Found implementation of procedure adpt_i2o_report_hba_unit [2022-07-21 11:26:44,864 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout_uninterruptible [2022-07-21 11:26:44,864 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout_uninterruptible [2022-07-21 11:26:44,864 INFO L130 BoogieDeclarations]: Found specification of procedure readb [2022-07-21 11:26:44,864 INFO L138 BoogieDeclarations]: Found implementation of procedure readb [2022-07-21 11:26:44,864 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-21 11:26:44,864 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-21 11:26:44,864 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-07-21 11:26:44,864 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-07-21 11:26:45,502 INFO L234 CfgBuilder]: Building ICFG [2022-07-21 11:26:45,507 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-21 11:26:46,169 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-21 11:26:57,436 INFO L275 CfgBuilder]: Performing block encoding [2022-07-21 11:26:57,454 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-21 11:26:57,455 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-21 11:26:57,458 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 11:26:57 BoogieIcfgContainer [2022-07-21 11:26:57,458 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-21 11:26:57,459 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-21 11:26:57,459 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-21 11:26:57,461 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-21 11:26:57,461 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.07 11:26:42" (1/3) ... [2022-07-21 11:26:57,462 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@388d1ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 11:26:57, skipping insertion in model container [2022-07-21 11:26:57,462 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:26:44" (2/3) ... [2022-07-21 11:26:57,462 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@388d1ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 11:26:57, skipping insertion in model container [2022-07-21 11:26:57,462 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 11:26:57" (3/3) ... [2022-07-21 11:26:57,465 INFO L111 eAbstractionObserver]: Analyzing ICFG 43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--scsi--dpt_i2o.ko-entry_point.cil.out.i [2022-07-21 11:26:57,474 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-21 11:26:57,474 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-21 11:26:57,551 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-21 11:26:57,556 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@3e0d9aa2, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@43c900db [2022-07-21 11:26:57,556 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-21 11:26:57,565 INFO L276 IsEmpty]: Start isEmpty. Operand has 2062 states, 1547 states have (on average 1.411764705882353) internal successors, (2184), 1571 states have internal predecessors, (2184), 437 states have call successors, (437), 77 states have call predecessors, (437), 76 states have return successors, (431), 430 states have call predecessors, (431), 431 states have call successors, (431) [2022-07-21 11:26:57,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2022-07-21 11:26:57,581 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 11:26:57,582 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-07-21 11:26:57,582 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 11:26:57,586 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 11:26:57,586 INFO L85 PathProgramCache]: Analyzing trace with hash -1281370987, now seen corresponding path program 1 times [2022-07-21 11:26:57,592 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 11:26:57,592 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2040080325] [2022-07-21 11:26:57,592 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 11:26:57,593 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 11:26:57,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:26:58,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 11:26:58,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:26:58,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-21 11:26:58,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:26:58,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-21 11:26:58,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:26:58,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-07-21 11:26:58,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:26:58,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-07-21 11:26:58,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:26:58,208 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2022-07-21 11:26:58,209 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 11:26:58,209 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2040080325] [2022-07-21 11:26:58,210 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2040080325] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 11:26:58,211 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 11:26:58,211 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-21 11:26:58,212 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1912813499] [2022-07-21 11:26:58,212 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 11:26:58,216 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-21 11:26:58,216 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 11:26:58,238 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-21 11:26:58,239 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-21 11:26:58,245 INFO L87 Difference]: Start difference. First operand has 2062 states, 1547 states have (on average 1.411764705882353) internal successors, (2184), 1571 states have internal predecessors, (2184), 437 states have call successors, (437), 77 states have call predecessors, (437), 76 states have return successors, (431), 430 states have call predecessors, (431), 431 states have call successors, (431) Second operand has 5 states, 5 states have (on average 7.0) internal successors, (35), 3 states have internal predecessors, (35), 2 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-07-21 11:27:02,080 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 [] [2022-07-21 11:27:05,850 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 11:27:07,313 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.46s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 11:27:12,646 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 11:27:18,144 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 11:27:20,297 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 11:27:22,446 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 11:27:24,761 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 11:27:24,762 INFO L93 Difference]: Finished difference Result 6914 states and 10727 transitions. [2022-07-21 11:27:24,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-21 11:27:24,764 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.0) internal successors, (35), 3 states have internal predecessors, (35), 2 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 58 [2022-07-21 11:27:24,764 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 11:27:24,817 INFO L225 Difference]: With dead ends: 6914 [2022-07-21 11:27:24,819 INFO L226 Difference]: Without dead ends: 4806 [2022-07-21 11:27:24,844 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-07-21 11:27:24,847 INFO L413 NwaCegarLoop]: 3227 mSDtfsCounter, 5160 mSDsluCounter, 4962 mSDsCounter, 0 mSdLazyCounter, 4271 mSolverCounterSat, 2826 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 24.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5520 SdHoareTripleChecker+Valid, 8189 SdHoareTripleChecker+Invalid, 7103 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2826 IncrementalHoareTripleChecker+Valid, 4271 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 25.9s IncrementalHoareTripleChecker+Time [2022-07-21 11:27:24,851 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5520 Valid, 8189 Invalid, 7103 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2826 Valid, 4271 Invalid, 6 Unknown, 0 Unchecked, 25.9s Time] [2022-07-21 11:27:24,884 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4806 states. [2022-07-21 11:27:25,110 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4806 to 3741. [2022-07-21 11:27:25,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3741 states, 2810 states have (on average 1.383629893238434) internal successors, (3888), 2839 states have internal predecessors, (3888), 789 states have call successors, (789), 142 states have call predecessors, (789), 141 states have return successors, (788), 786 states have call predecessors, (788), 788 states have call successors, (788) [2022-07-21 11:27:25,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3741 states to 3741 states and 5465 transitions. [2022-07-21 11:27:25,147 INFO L78 Accepts]: Start accepts. Automaton has 3741 states and 5465 transitions. Word has length 58 [2022-07-21 11:27:25,147 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 11:27:25,147 INFO L495 AbstractCegarLoop]: Abstraction has 3741 states and 5465 transitions. [2022-07-21 11:27:25,147 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.0) internal successors, (35), 3 states have internal predecessors, (35), 2 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-07-21 11:27:25,148 INFO L276 IsEmpty]: Start isEmpty. Operand 3741 states and 5465 transitions. [2022-07-21 11:27:25,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2022-07-21 11:27:25,152 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 11:27:25,153 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-07-21 11:27:25,153 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-21 11:27:25,153 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 11:27:25,153 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 11:27:25,154 INFO L85 PathProgramCache]: Analyzing trace with hash -1620564797, now seen corresponding path program 1 times [2022-07-21 11:27:25,154 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 11:27:25,154 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1790725132] [2022-07-21 11:27:25,154 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 11:27:25,154 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 11:27:25,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:27:25,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 11:27:25,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:27:25,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-21 11:27:25,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:27:25,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-21 11:27:25,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:27:25,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-07-21 11:27:25,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:27:25,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-07-21 11:27:25,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:27:25,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-07-21 11:27:25,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:27:25,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-21 11:27:25,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:27:25,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-21 11:27:25,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:27:25,503 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2022-07-21 11:27:25,504 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 11:27:25,504 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1790725132] [2022-07-21 11:27:25,504 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1790725132] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 11:27:25,504 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 11:27:25,504 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-21 11:27:25,504 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [298563092] [2022-07-21 11:27:25,505 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 11:27:25,505 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-21 11:27:25,506 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 11:27:25,506 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-21 11:27:25,506 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-07-21 11:27:25,506 INFO L87 Difference]: Start difference. First operand 3741 states and 5465 transitions. Second operand has 7 states, 7 states have (on average 7.571428571428571) internal successors, (53), 3 states have internal predecessors, (53), 3 states have call successors, (14), 7 states have call predecessors, (14), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-07-21 11:27:30,180 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 11:27:35,017 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.69s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 11:27:37,071 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 11:27:41,442 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.12s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 11:27:47,645 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 11:27:49,784 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 11:27:51,931 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 11:27:54,076 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 11:27:57,403 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 11:27:57,403 INFO L93 Difference]: Finished difference Result 10446 states and 16250 transitions. [2022-07-21 11:27:57,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-07-21 11:27:57,404 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.571428571428571) internal successors, (53), 3 states have internal predecessors, (53), 3 states have call successors, (14), 7 states have call predecessors, (14), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 84 [2022-07-21 11:27:57,404 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 11:27:57,470 INFO L225 Difference]: With dead ends: 10446 [2022-07-21 11:27:57,470 INFO L226 Difference]: Without dead ends: 10443 [2022-07-21 11:27:57,480 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=61, Invalid=121, Unknown=0, NotChecked=0, Total=182 [2022-07-21 11:27:57,481 INFO L413 NwaCegarLoop]: 3610 mSDtfsCounter, 7156 mSDsluCounter, 6814 mSDsCounter, 0 mSdLazyCounter, 6861 mSolverCounterSat, 4319 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 29.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7598 SdHoareTripleChecker+Valid, 10424 SdHoareTripleChecker+Invalid, 11186 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4319 IncrementalHoareTripleChecker+Valid, 6861 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 31.2s IncrementalHoareTripleChecker+Time [2022-07-21 11:27:57,481 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7598 Valid, 10424 Invalid, 11186 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4319 Valid, 6861 Invalid, 6 Unknown, 0 Unchecked, 31.2s Time] [2022-07-21 11:27:57,490 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10443 states. [2022-07-21 11:27:57,770 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10443 to 7641. [2022-07-21 11:27:57,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7641 states, 5719 states have (on average 1.3901031648889666) internal successors, (7950), 5783 states have internal predecessors, (7950), 1627 states have call successors, (1627), 271 states have call predecessors, (1627), 294 states have return successors, (1964), 1632 states have call predecessors, (1964), 1626 states have call successors, (1964) [2022-07-21 11:27:57,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7641 states to 7641 states and 11541 transitions. [2022-07-21 11:27:57,832 INFO L78 Accepts]: Start accepts. Automaton has 7641 states and 11541 transitions. Word has length 84 [2022-07-21 11:27:57,834 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 11:27:57,834 INFO L495 AbstractCegarLoop]: Abstraction has 7641 states and 11541 transitions. [2022-07-21 11:27:57,834 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.571428571428571) internal successors, (53), 3 states have internal predecessors, (53), 3 states have call successors, (14), 7 states have call predecessors, (14), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-07-21 11:27:57,835 INFO L276 IsEmpty]: Start isEmpty. Operand 7641 states and 11541 transitions. [2022-07-21 11:27:57,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2022-07-21 11:27:57,843 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 11:27:57,843 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 11:27:57,844 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-21 11:27:57,844 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 11:27:57,844 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 11:27:57,844 INFO L85 PathProgramCache]: Analyzing trace with hash -1234917850, now seen corresponding path program 1 times [2022-07-21 11:27:57,844 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 11:27:57,845 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1363378073] [2022-07-21 11:27:57,845 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 11:27:57,845 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 11:27:57,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:27:58,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 11:27:58,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:27:58,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-21 11:27:58,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:27:58,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-21 11:27:58,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:27:58,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-07-21 11:27:58,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:27:58,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-07-21 11:27:58,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:27:58,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-07-21 11:27:58,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:27:58,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2022-07-21 11:27:58,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:27:58,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-07-21 11:27:58,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:27:58,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-07-21 11:27:58,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:27:58,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-07-21 11:27:58,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:27:58,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2022-07-21 11:27:58,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:27:58,119 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2022-07-21 11:27:58,120 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 11:27:58,120 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1363378073] [2022-07-21 11:27:58,120 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1363378073] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 11:27:58,120 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 11:27:58,120 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-21 11:27:58,120 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1256675670] [2022-07-21 11:27:58,120 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 11:27:58,121 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-21 11:27:58,121 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 11:27:58,121 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-21 11:27:58,122 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-21 11:27:58,122 INFO L87 Difference]: Start difference. First operand 7641 states and 11541 transitions. Second operand has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 3 states have internal predecessors, (64), 2 states have call successors, (17), 5 states have call predecessors, (17), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-07-21 11:28:02,081 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 11:28:05,915 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 11:28:07,955 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 11:28:11,203 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 11:28:13,244 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 11:28:20,459 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 11:28:24,987 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 11:28:24,987 INFO L93 Difference]: Finished difference Result 28515 states and 44312 transitions. [2022-07-21 11:28:24,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-07-21 11:28:24,988 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 3 states have internal predecessors, (64), 2 states have call successors, (17), 5 states have call predecessors, (17), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 103 [2022-07-21 11:28:24,988 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 11:28:25,110 INFO L225 Difference]: With dead ends: 28515 [2022-07-21 11:28:25,110 INFO L226 Difference]: Without dead ends: 20885 [2022-07-21 11:28:25,157 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=60, Invalid=122, Unknown=0, NotChecked=0, Total=182 [2022-07-21 11:28:25,158 INFO L413 NwaCegarLoop]: 3216 mSDtfsCounter, 8071 mSDsluCounter, 6346 mSDsCounter, 0 mSdLazyCounter, 6259 mSolverCounterSat, 5425 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 24.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8548 SdHoareTripleChecker+Valid, 9562 SdHoareTripleChecker+Invalid, 11690 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5425 IncrementalHoareTripleChecker+Valid, 6259 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 25.9s IncrementalHoareTripleChecker+Time [2022-07-21 11:28:25,158 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8548 Valid, 9562 Invalid, 11690 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5425 Valid, 6259 Invalid, 6 Unknown, 0 Unchecked, 25.9s Time] [2022-07-21 11:28:25,177 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20885 states. [2022-07-21 11:28:25,852 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20885 to 16042. [2022-07-21 11:28:25,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16042 states, 12181 states have (on average 1.3951235530744601) internal successors, (16994), 12308 states have internal predecessors, (16994), 3282 states have call successors, (3282), 492 states have call predecessors, (3282), 578 states have return successors, (4014), 3327 states have call predecessors, (4014), 3281 states have call successors, (4014) [2022-07-21 11:28:25,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16042 states to 16042 states and 24290 transitions. [2022-07-21 11:28:25,995 INFO L78 Accepts]: Start accepts. Automaton has 16042 states and 24290 transitions. Word has length 103 [2022-07-21 11:28:25,996 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 11:28:25,996 INFO L495 AbstractCegarLoop]: Abstraction has 16042 states and 24290 transitions. [2022-07-21 11:28:25,997 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 3 states have internal predecessors, (64), 2 states have call successors, (17), 5 states have call predecessors, (17), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-07-21 11:28:25,997 INFO L276 IsEmpty]: Start isEmpty. Operand 16042 states and 24290 transitions. [2022-07-21 11:28:26,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2022-07-21 11:28:26,105 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 11:28:26,106 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 11:28:26,106 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-21 11:28:26,106 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 11:28:26,107 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 11:28:26,107 INFO L85 PathProgramCache]: Analyzing trace with hash 1679853886, now seen corresponding path program 1 times [2022-07-21 11:28:26,107 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 11:28:26,107 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2080349174] [2022-07-21 11:28:26,107 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 11:28:26,107 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 11:28:26,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:28:26,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 11:28:26,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:28:26,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-21 11:28:26,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:28:26,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-21 11:28:26,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:28:26,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-07-21 11:28:26,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:28:26,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-21 11:28:26,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:28:26,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 11:28:26,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:28:26,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 11:28:26,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:28:26,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2022-07-21 11:28:26,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:28:26,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-07-21 11:28:26,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:28:26,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-21 11:28:26,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:28:26,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-21 11:28:26,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:28:26,507 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2022-07-21 11:28:26,508 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 11:28:26,508 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2080349174] [2022-07-21 11:28:26,508 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2080349174] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 11:28:26,508 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 11:28:26,508 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-07-21 11:28:26,508 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [930250735] [2022-07-21 11:28:26,508 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 11:28:26,509 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-07-21 11:28:26,509 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 11:28:26,509 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-07-21 11:28:26,510 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2022-07-21 11:28:26,510 INFO L87 Difference]: Start difference. First operand 16042 states and 24290 transitions. Second operand has 11 states, 11 states have (on average 7.090909090909091) internal successors, (78), 5 states have internal predecessors, (78), 4 states have call successors, (17), 8 states have call predecessors, (17), 2 states have return successors, (11), 4 states have call predecessors, (11), 4 states have call successors, (11) [2022-07-21 11:28:30,183 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.00s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 11:28:33,304 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 11:28:38,804 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 11:28:40,852 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 11:28:46,672 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 11:28:48,714 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 11:29:00,169 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 11:29:06,217 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 11:29:12,373 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 11:29:12,374 INFO L93 Difference]: Finished difference Result 62639 states and 99451 transitions. [2022-07-21 11:29:12,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-07-21 11:29:12,374 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 7.090909090909091) internal successors, (78), 5 states have internal predecessors, (78), 4 states have call successors, (17), 8 states have call predecessors, (17), 2 states have return successors, (11), 4 states have call predecessors, (11), 4 states have call successors, (11) Word has length 117 [2022-07-21 11:29:12,375 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 11:29:12,700 INFO L225 Difference]: With dead ends: 62639 [2022-07-21 11:29:12,701 INFO L226 Difference]: Without dead ends: 46617 [2022-07-21 11:29:12,834 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 447 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=382, Invalid=1178, Unknown=0, NotChecked=0, Total=1560 [2022-07-21 11:29:12,836 INFO L413 NwaCegarLoop]: 3137 mSDtfsCounter, 12845 mSDsluCounter, 11937 mSDsCounter, 0 mSdLazyCounter, 15650 mSolverCounterSat, 6251 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 39.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13264 SdHoareTripleChecker+Valid, 15074 SdHoareTripleChecker+Invalid, 21908 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 6251 IncrementalHoareTripleChecker+Valid, 15650 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 43.0s IncrementalHoareTripleChecker+Time [2022-07-21 11:29:12,837 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13264 Valid, 15074 Invalid, 21908 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [6251 Valid, 15650 Invalid, 7 Unknown, 0 Unchecked, 43.0s Time] [2022-07-21 11:29:12,889 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46617 states. [2022-07-21 11:29:14,493 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46617 to 32005. [2022-07-21 11:29:14,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32005 states, 24302 states have (on average 1.3944119825528762) internal successors, (33887), 24572 states have internal predecessors, (33887), 6536 states have call successors, (6536), 977 states have call predecessors, (6536), 1166 states have return successors, (8364), 6627 states have call predecessors, (8364), 6535 states have call successors, (8364) [2022-07-21 11:29:14,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32005 states to 32005 states and 48787 transitions. [2022-07-21 11:29:14,750 INFO L78 Accepts]: Start accepts. Automaton has 32005 states and 48787 transitions. Word has length 117 [2022-07-21 11:29:14,752 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 11:29:14,752 INFO L495 AbstractCegarLoop]: Abstraction has 32005 states and 48787 transitions. [2022-07-21 11:29:14,752 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 7.090909090909091) internal successors, (78), 5 states have internal predecessors, (78), 4 states have call successors, (17), 8 states have call predecessors, (17), 2 states have return successors, (11), 4 states have call predecessors, (11), 4 states have call successors, (11) [2022-07-21 11:29:14,752 INFO L276 IsEmpty]: Start isEmpty. Operand 32005 states and 48787 transitions. [2022-07-21 11:29:14,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-07-21 11:29:14,764 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 11:29:14,764 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 11:29:14,764 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-07-21 11:29:14,764 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 11:29:14,765 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 11:29:14,765 INFO L85 PathProgramCache]: Analyzing trace with hash 1955327233, now seen corresponding path program 1 times [2022-07-21 11:29:14,765 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 11:29:14,766 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [93783611] [2022-07-21 11:29:14,766 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 11:29:14,766 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 11:29:14,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:29:14,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 11:29:14,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:29:14,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-21 11:29:14,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:29:14,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-21 11:29:14,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:29:14,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-07-21 11:29:14,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:29:14,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-21 11:29:14,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:29:14,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 11:29:14,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:29:14,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 11:29:14,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:29:14,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-07-21 11:29:14,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:29:15,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-07-21 11:29:15,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:29:15,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-21 11:29:15,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:29:15,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-21 11:29:15,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:29:15,032 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2022-07-21 11:29:15,032 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 11:29:15,032 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [93783611] [2022-07-21 11:29:15,032 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [93783611] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 11:29:15,033 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 11:29:15,033 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-07-21 11:29:15,033 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1265427666] [2022-07-21 11:29:15,033 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 11:29:15,033 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-07-21 11:29:15,034 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 11:29:15,034 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-07-21 11:29:15,034 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2022-07-21 11:29:15,034 INFO L87 Difference]: Start difference. First operand 32005 states and 48787 transitions. Second operand has 11 states, 11 states have (on average 7.0) internal successors, (77), 5 states have internal predecessors, (77), 4 states have call successors, (17), 8 states have call predecessors, (17), 2 states have return successors, (11), 4 states have call predecessors, (11), 4 states have call successors, (11) [2022-07-21 11:29:21,204 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 11:29:27,237 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 11:29:29,293 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 11:29:31,346 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 11:29:34,878 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.12s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 11:29:39,433 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 11:29:41,465 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 11:29:43,503 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 11:29:56,427 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 11:29:58,569 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 11:30:00,710 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 11:30:02,863 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 11:30:05,029 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 11:30:07,138 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 11:30:12,994 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 11:30:15,153 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 11:30:17,278 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 11:30:24,559 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 11:30:24,559 INFO L93 Difference]: Finished difference Result 125058 states and 200226 transitions. [2022-07-21 11:30:24,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-07-21 11:30:24,560 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 7.0) internal successors, (77), 5 states have internal predecessors, (77), 4 states have call successors, (17), 8 states have call predecessors, (17), 2 states have return successors, (11), 4 states have call predecessors, (11), 4 states have call successors, (11) Word has length 116 [2022-07-21 11:30:24,560 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 11:30:25,118 INFO L225 Difference]: With dead ends: 125058 [2022-07-21 11:30:25,275 INFO L226 Difference]: Without dead ends: 93073 [2022-07-21 11:30:25,466 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 447 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=382, Invalid=1178, Unknown=0, NotChecked=0, Total=1560 [2022-07-21 11:30:25,467 INFO L413 NwaCegarLoop]: 3141 mSDtfsCounter, 12688 mSDsluCounter, 11928 mSDsCounter, 0 mSdLazyCounter, 15639 mSolverCounterSat, 6197 mSolverCounterUnsat, 16 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 60.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13103 SdHoareTripleChecker+Valid, 15069 SdHoareTripleChecker+Invalid, 21852 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 6197 IncrementalHoareTripleChecker+Valid, 15639 IncrementalHoareTripleChecker+Invalid, 16 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 64.6s IncrementalHoareTripleChecker+Time [2022-07-21 11:30:25,467 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13103 Valid, 15069 Invalid, 21852 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [6197 Valid, 15639 Invalid, 16 Unknown, 0 Unchecked, 64.6s Time] [2022-07-21 11:30:25,524 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93073 states. [2022-07-21 11:30:28,189 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93073 to 63915. [2022-07-21 11:30:28,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63915 states, 48528 states have (on average 1.3936902406857896) internal successors, (67633), 49084 states have internal predecessors, (67633), 13044 states have call successors, (13044), 1947 states have call predecessors, (13044), 2342 states have return successors, (17461), 13227 states have call predecessors, (17461), 13043 states have call successors, (17461) [2022-07-21 11:30:28,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63915 states to 63915 states and 98138 transitions. [2022-07-21 11:30:28,951 INFO L78 Accepts]: Start accepts. Automaton has 63915 states and 98138 transitions. Word has length 116 [2022-07-21 11:30:28,951 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 11:30:28,951 INFO L495 AbstractCegarLoop]: Abstraction has 63915 states and 98138 transitions. [2022-07-21 11:30:28,952 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 7.0) internal successors, (77), 5 states have internal predecessors, (77), 4 states have call successors, (17), 8 states have call predecessors, (17), 2 states have return successors, (11), 4 states have call predecessors, (11), 4 states have call successors, (11) [2022-07-21 11:30:28,952 INFO L276 IsEmpty]: Start isEmpty. Operand 63915 states and 98138 transitions. [2022-07-21 11:30:28,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-07-21 11:30:28,959 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 11:30:28,960 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 11:30:28,960 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-07-21 11:30:28,960 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 11:30:28,960 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 11:30:28,960 INFO L85 PathProgramCache]: Analyzing trace with hash -1832344265, now seen corresponding path program 1 times [2022-07-21 11:30:28,961 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 11:30:28,961 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2488997] [2022-07-21 11:30:28,961 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 11:30:28,961 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 11:30:29,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:30:29,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 11:30:29,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:30:29,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-21 11:30:29,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:30:29,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-21 11:30:29,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:30:29,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-07-21 11:30:29,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:30:29,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-21 11:30:29,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:30:29,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 11:30:29,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:30:29,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 11:30:29,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:30:29,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-21 11:30:29,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:30:29,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-21 11:30:29,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:30:29,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-21 11:30:29,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:30:29,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-21 11:30:29,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:30:29,201 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2022-07-21 11:30:29,201 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 11:30:29,201 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2488997] [2022-07-21 11:30:29,202 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2488997] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 11:30:29,202 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 11:30:29,202 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-07-21 11:30:29,202 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [330399155] [2022-07-21 11:30:29,202 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 11:30:29,202 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-07-21 11:30:29,202 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 11:30:29,203 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-07-21 11:30:29,203 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2022-07-21 11:30:29,203 INFO L87 Difference]: Start difference. First operand 63915 states and 98138 transitions. Second operand has 11 states, 11 states have (on average 6.909090909090909) internal successors, (76), 5 states have internal predecessors, (76), 4 states have call successors, (17), 8 states have call predecessors, (17), 2 states have return successors, (11), 4 states have call predecessors, (11), 4 states have call successors, (11) [2022-07-21 11:30:35,911 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 [] [2022-07-21 11:30:41,015 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 11:30:43,066 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 11:30:45,945 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.55s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 11:30:50,154 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []