./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--md--dm-cache.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-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--md--dm-cache.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 18adc7ce46ffd1a3ff82c3c7fa6ef66e3ed2399c064dd9dfbe8501509215a2b1 --- Real Ultimate output --- This is Ultimate 0.2.2-?-3598765 [2022-07-21 11:46:47,145 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-21 11:46:47,146 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-21 11:46:47,190 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-21 11:46:47,190 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-21 11:46:47,191 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-21 11:46:47,194 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-21 11:46:47,196 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-21 11:46:47,197 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-21 11:46:47,200 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-21 11:46:47,201 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-21 11:46:47,203 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-21 11:46:47,203 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-21 11:46:47,204 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-21 11:46:47,205 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-21 11:46:47,209 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-21 11:46:47,209 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-21 11:46:47,210 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-21 11:46:47,212 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-21 11:46:47,215 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-21 11:46:47,216 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-21 11:46:47,217 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-21 11:46:47,218 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-21 11:46:47,219 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-21 11:46:47,220 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-21 11:46:47,232 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-21 11:46:47,233 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-21 11:46:47,233 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-21 11:46:47,234 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-21 11:46:47,234 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-21 11:46:47,235 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-21 11:46:47,235 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-21 11:46:47,236 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-21 11:46:47,237 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-21 11:46:47,238 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-21 11:46:47,238 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-21 11:46:47,238 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-21 11:46:47,239 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-21 11:46:47,239 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-21 11:46:47,239 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-21 11:46:47,240 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-21 11:46:47,241 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-21 11:46:47,247 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-21 11:46:47,271 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-21 11:46:47,272 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-21 11:46:47,272 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-21 11:46:47,272 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-21 11:46:47,273 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-21 11:46:47,273 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-21 11:46:47,274 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-21 11:46:47,274 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-21 11:46:47,274 INFO L138 SettingsManager]: * Use SBE=true [2022-07-21 11:46:47,275 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-21 11:46:47,275 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-21 11:46:47,275 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-21 11:46:47,275 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-21 11:46:47,275 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-21 11:46:47,275 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-21 11:46:47,276 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-21 11:46:47,276 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-21 11:46:47,276 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-21 11:46:47,276 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-21 11:46:47,276 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-21 11:46:47,276 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-21 11:46:47,277 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 11:46:47,277 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-21 11:46:47,277 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-21 11:46:47,277 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-21 11:46:47,277 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-21 11:46:47,277 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-21 11:46:47,277 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-21 11:46:47,277 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-21 11:46:47,278 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-21 11:46:47,278 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 18adc7ce46ffd1a3ff82c3c7fa6ef66e3ed2399c064dd9dfbe8501509215a2b1 [2022-07-21 11:46:47,540 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-21 11:46:47,552 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-21 11:46:47,554 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-21 11:46:47,555 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-21 11:46:47,555 INFO L275 PluginConnector]: CDTParser initialized [2022-07-21 11:46:47,556 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--md--dm-cache.ko-entry_point.cil.out.i [2022-07-21 11:46:47,595 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f83400548/b3ee7d90ed4d47389f321bebcad95ad2/FLAGe366c26af [2022-07-21 11:46:48,186 INFO L306 CDTParser]: Found 1 translation units. [2022-07-21 11:46:48,189 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--md--dm-cache.ko-entry_point.cil.out.i [2022-07-21 11:46:48,235 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f83400548/b3ee7d90ed4d47389f321bebcad95ad2/FLAGe366c26af [2022-07-21 11:46:48,640 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f83400548/b3ee7d90ed4d47389f321bebcad95ad2 [2022-07-21 11:46:48,643 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-21 11:46:48,644 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-21 11:46:48,646 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-21 11:46:48,646 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-21 11:46:48,649 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-21 11:46:48,649 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 11:46:48" (1/1) ... [2022-07-21 11:46:48,650 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@605120a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:46:48, skipping insertion in model container [2022-07-21 11:46:48,650 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 11:46:48" (1/1) ... [2022-07-21 11:46:48,656 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-21 11:46:48,782 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-21 11:46:51,781 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-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--md--dm-cache.ko-entry_point.cil.out.i[376341,376354] [2022-07-21 11:46:51,826 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 11:46:51,864 INFO L203 MainTranslator]: Completed pre-run [2022-07-21 11:46:52,286 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-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--md--dm-cache.ko-entry_point.cil.out.i[376341,376354] [2022-07-21 11:46:52,307 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 11:46:52,489 INFO L208 MainTranslator]: Completed translation [2022-07-21 11:46:52,490 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:46:52 WrapperNode [2022-07-21 11:46:52,491 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-21 11:46:52,492 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-21 11:46:52,492 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-21 11:46:52,492 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-21 11:46:52,496 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:46:52" (1/1) ... [2022-07-21 11:46:52,660 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:46:52" (1/1) ... [2022-07-21 11:46:52,946 INFO L137 Inliner]: procedures = 595, calls = 3937, calls flagged for inlining = 264, calls inlined = 257, statements flattened = 9795 [2022-07-21 11:46:52,947 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-21 11:46:52,948 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-21 11:46:52,948 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-21 11:46:52,948 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-21 11:46:52,954 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:46:52" (1/1) ... [2022-07-21 11:46:52,954 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:46:52" (1/1) ... [2022-07-21 11:46:52,996 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:46:52" (1/1) ... [2022-07-21 11:46:52,997 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:46:52" (1/1) ... [2022-07-21 11:46:53,242 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:46:52" (1/1) ... [2022-07-21 11:46:53,289 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:46:52" (1/1) ... [2022-07-21 11:46:53,405 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:46:52" (1/1) ... [2022-07-21 11:46:53,484 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-21 11:46:53,486 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-21 11:46:53,486 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-21 11:46:53,486 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-21 11:46:53,487 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:46:52" (1/1) ... [2022-07-21 11:46:53,493 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 11:46:53,513 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-21 11:46:53,545 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 11:46:53,572 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 11:46:53,582 INFO L130 BoogieDeclarations]: Found specification of procedure resize_cache_dev [2022-07-21 11:46:53,582 INFO L138 BoogieDeclarations]: Found implementation of procedure resize_cache_dev [2022-07-21 11:46:53,583 INFO L130 BoogieDeclarations]: Found specification of procedure block_size_is_power_of_two [2022-07-21 11:46:53,583 INFO L138 BoogieDeclarations]: Found implementation of procedure block_size_is_power_of_two [2022-07-21 11:46:53,583 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2022-07-21 11:46:53,583 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2022-07-21 11:46:53,583 INFO L130 BoogieDeclarations]: Found specification of procedure dm_block_manager_destroy [2022-07-21 11:46:53,583 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_block_manager_destroy [2022-07-21 11:46:53,583 INFO L130 BoogieDeclarations]: Found specification of procedure bio_endio [2022-07-21 11:46:53,583 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_endio [2022-07-21 11:46:53,583 INFO L130 BoogieDeclarations]: Found specification of procedure __copy_sm_root [2022-07-21 11:46:53,584 INFO L138 BoogieDeclarations]: Found implementation of procedure __copy_sm_root [2022-07-21 11:46:53,584 INFO L130 BoogieDeclarations]: Found specification of procedure bio_writes_complete_block [2022-07-21 11:46:53,584 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_writes_complete_block [2022-07-21 11:46:53,584 INFO L130 BoogieDeclarations]: Found specification of procedure strncmp [2022-07-21 11:46:53,584 INFO L130 BoogieDeclarations]: Found specification of procedure dm_tm_pre_commit [2022-07-21 11:46:53,584 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_tm_pre_commit [2022-07-21 11:46:53,584 INFO L130 BoogieDeclarations]: Found specification of procedure i_size_read [2022-07-21 11:46:53,584 INFO L138 BoogieDeclarations]: Found implementation of procedure i_size_read [2022-07-21 11:46:53,584 INFO L130 BoogieDeclarations]: Found specification of procedure cache_map [2022-07-21 11:46:53,585 INFO L138 BoogieDeclarations]: Found implementation of procedure cache_map [2022-07-21 11:46:53,585 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-07-21 11:46:53,585 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-07-21 11:46:53,585 INFO L130 BoogieDeclarations]: Found specification of procedure process_migrations [2022-07-21 11:46:53,585 INFO L138 BoogieDeclarations]: Found implementation of procedure process_migrations [2022-07-21 11:46:53,585 INFO L130 BoogieDeclarations]: Found specification of procedure remap_cell_to_origin_clear_discard [2022-07-21 11:46:53,585 INFO L138 BoogieDeclarations]: Found implementation of procedure remap_cell_to_origin_clear_discard [2022-07-21 11:46:53,585 INFO L130 BoogieDeclarations]: Found specification of procedure dm_bm_checksum [2022-07-21 11:46:53,586 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_bm_checksum [2022-07-21 11:46:53,586 INFO L130 BoogieDeclarations]: Found specification of procedure variable_test_bit [2022-07-21 11:46:53,586 INFO L138 BoogieDeclarations]: Found implementation of procedure variable_test_bit [2022-07-21 11:46:53,586 INFO L130 BoogieDeclarations]: Found specification of procedure put_policy [2022-07-21 11:46:53,586 INFO L138 BoogieDeclarations]: Found implementation of procedure put_policy [2022-07-21 11:46:53,586 INFO L130 BoogieDeclarations]: Found specification of procedure check_if_tick_bio_needed [2022-07-21 11:46:53,586 INFO L138 BoogieDeclarations]: Found implementation of procedure check_if_tick_bio_needed [2022-07-21 11:46:53,586 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-21 11:46:53,586 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-21 11:46:53,587 INFO L130 BoogieDeclarations]: Found specification of procedure update_flags [2022-07-21 11:46:53,587 INFO L138 BoogieDeclarations]: Found implementation of procedure update_flags [2022-07-21 11:46:53,587 INFO L130 BoogieDeclarations]: Found specification of procedure calc_discard_block_range [2022-07-21 11:46:53,587 INFO L138 BoogieDeclarations]: Found implementation of procedure calc_discard_block_range [2022-07-21 11:46:53,587 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~~sector_t~0~X~~sector_t~0~X~$Pointer$~TO~int [2022-07-21 11:46:53,587 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~~sector_t~0~X~~sector_t~0~X~$Pointer$~TO~int [2022-07-21 11:46:53,587 INFO L130 BoogieDeclarations]: Found specification of procedure dm_cell_release_no_holder [2022-07-21 11:46:53,587 INFO L130 BoogieDeclarations]: Found specification of procedure free_bitset [2022-07-21 11:46:53,588 INFO L138 BoogieDeclarations]: Found implementation of procedure free_bitset [2022-07-21 11:46:53,588 INFO L130 BoogieDeclarations]: Found specification of procedure commit_if_needed [2022-07-21 11:46:53,588 INFO L138 BoogieDeclarations]: Found implementation of procedure commit_if_needed [2022-07-21 11:46:53,588 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_1 [2022-07-21 11:46:53,588 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_1 [2022-07-21 11:46:53,588 INFO L130 BoogieDeclarations]: Found specification of procedure __might_sleep [2022-07-21 11:46:53,588 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_sleep [2022-07-21 11:46:53,588 INFO L130 BoogieDeclarations]: Found specification of procedure get_per_bio_data [2022-07-21 11:46:53,588 INFO L138 BoogieDeclarations]: Found implementation of procedure get_per_bio_data [2022-07-21 11:46:53,589 INFO L130 BoogieDeclarations]: Found specification of procedure remap_to_origin_then_cache [2022-07-21 11:46:53,589 INFO L138 BoogieDeclarations]: Found implementation of procedure remap_to_origin_then_cache [2022-07-21 11:46:53,589 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2022-07-21 11:46:53,589 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2022-07-21 11:46:53,589 INFO L130 BoogieDeclarations]: Found specification of procedure dm_cache_remove_mapping [2022-07-21 11:46:53,589 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_cache_remove_mapping [2022-07-21 11:46:53,589 INFO L130 BoogieDeclarations]: Found specification of procedure dblock_to_oblock [2022-07-21 11:46:53,589 INFO L138 BoogieDeclarations]: Found implementation of procedure dblock_to_oblock [2022-07-21 11:46:53,589 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-07-21 11:46:53,590 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-07-21 11:46:53,590 INFO L130 BoogieDeclarations]: Found specification of procedure remap_to_origin [2022-07-21 11:46:53,590 INFO L138 BoogieDeclarations]: Found implementation of procedure remap_to_origin [2022-07-21 11:46:53,590 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bitset [2022-07-21 11:46:53,590 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bitset [2022-07-21 11:46:53,590 INFO L130 BoogieDeclarations]: Found specification of procedure bio_detain_range [2022-07-21 11:46:53,590 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_detain_range [2022-07-21 11:46:53,590 INFO L130 BoogieDeclarations]: Found specification of procedure from_cblock [2022-07-21 11:46:53,590 INFO L138 BoogieDeclarations]: Found implementation of procedure from_cblock [2022-07-21 11:46:53,591 INFO L130 BoogieDeclarations]: Found specification of procedure writethrough_mode [2022-07-21 11:46:53,591 INFO L138 BoogieDeclarations]: Found implementation of procedure writethrough_mode [2022-07-21 11:46:53,591 INFO L130 BoogieDeclarations]: Found specification of procedure write_dirty_bitset [2022-07-21 11:46:53,591 INFO L138 BoogieDeclarations]: Found implementation of procedure write_dirty_bitset [2022-07-21 11:46:53,591 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-07-21 11:46:53,591 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-07-21 11:46:53,591 INFO L130 BoogieDeclarations]: Found specification of procedure writeback_mode [2022-07-21 11:46:53,591 INFO L138 BoogieDeclarations]: Found implementation of procedure writeback_mode [2022-07-21 11:46:53,591 INFO L130 BoogieDeclarations]: Found specification of procedure cache_postsuspend [2022-07-21 11:46:53,592 INFO L138 BoogieDeclarations]: Found implementation of procedure cache_postsuspend [2022-07-21 11:46:53,592 INFO L130 BoogieDeclarations]: Found specification of procedure prealloc_get_migration [2022-07-21 11:46:53,592 INFO L138 BoogieDeclarations]: Found implementation of procedure prealloc_get_migration [2022-07-21 11:46:53,592 INFO L130 BoogieDeclarations]: Found specification of procedure issue_copy_or_discard [2022-07-21 11:46:53,592 INFO L138 BoogieDeclarations]: Found implementation of procedure issue_copy_or_discard [2022-07-21 11:46:53,592 INFO L130 BoogieDeclarations]: Found specification of procedure cache_dtr [2022-07-21 11:46:53,592 INFO L138 BoogieDeclarations]: Found implementation of procedure cache_dtr [2022-07-21 11:46:53,592 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec_and_test [2022-07-21 11:46:53,592 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec_and_test [2022-07-21 11:46:53,593 INFO L130 BoogieDeclarations]: Found specification of procedure __xadd_wrong_size [2022-07-21 11:46:53,593 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_prison_cell [2022-07-21 11:46:53,593 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_prison_cell [2022-07-21 11:46:53,593 INFO L130 BoogieDeclarations]: Found specification of procedure dm_cache_policy_get_version [2022-07-21 11:46:53,593 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_cache_policy_get_version [2022-07-21 11:46:53,593 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-07-21 11:46:53,593 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-07-21 11:46:53,593 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-07-21 11:46:53,593 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-07-21 11:46:53,594 INFO L130 BoogieDeclarations]: Found specification of procedure __create_persistent_data_objects [2022-07-21 11:46:53,594 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_persistent_data_objects [2022-07-21 11:46:53,594 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-21 11:46:53,594 INFO L130 BoogieDeclarations]: Found specification of procedure get_per_bio_data_size [2022-07-21 11:46:53,594 INFO L138 BoogieDeclarations]: Found implementation of procedure get_per_bio_data_size [2022-07-21 11:46:53,594 INFO L130 BoogieDeclarations]: Found specification of procedure dm_array_resize [2022-07-21 11:46:53,594 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_array_resize [2022-07-21 11:46:53,594 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-07-21 11:46:53,594 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-07-21 11:46:53,595 INFO L130 BoogieDeclarations]: Found specification of procedure accounted_request [2022-07-21 11:46:53,595 INFO L138 BoogieDeclarations]: Found implementation of procedure accounted_request [2022-07-21 11:46:53,595 INFO L130 BoogieDeclarations]: Found specification of procedure pack_value [2022-07-21 11:46:53,595 INFO L138 BoogieDeclarations]: Found implementation of procedure pack_value [2022-07-21 11:46:53,595 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2022-07-21 11:46:53,595 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2022-07-21 11:46:53,595 INFO L130 BoogieDeclarations]: Found specification of procedure bio_list_empty [2022-07-21 11:46:53,595 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_list_empty [2022-07-21 11:46:53,595 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-07-21 11:46:53,596 INFO L130 BoogieDeclarations]: Found specification of procedure clear_discard [2022-07-21 11:46:53,596 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_discard [2022-07-21 11:46:53,596 INFO L130 BoogieDeclarations]: Found specification of procedure prealloc_get_cell [2022-07-21 11:46:53,596 INFO L138 BoogieDeclarations]: Found implementation of procedure prealloc_get_cell [2022-07-21 11:46:53,596 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-07-21 11:46:53,596 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-07-21 11:46:53,596 INFO L130 BoogieDeclarations]: Found specification of procedure process_deferred_flush_bios [2022-07-21 11:46:53,596 INFO L138 BoogieDeclarations]: Found implementation of procedure process_deferred_flush_bios [2022-07-21 11:46:53,597 INFO L130 BoogieDeclarations]: Found specification of procedure cell_defer [2022-07-21 11:46:53,597 INFO L138 BoogieDeclarations]: Found implementation of procedure cell_defer [2022-07-21 11:46:53,597 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-07-21 11:46:53,597 INFO L130 BoogieDeclarations]: Found specification of procedure dm_tm_commit [2022-07-21 11:46:53,597 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_tm_commit [2022-07-21 11:46:53,597 INFO L130 BoogieDeclarations]: Found specification of procedure sb_check [2022-07-21 11:46:53,597 INFO L138 BoogieDeclarations]: Found implementation of procedure sb_check [2022-07-21 11:46:53,597 INFO L130 BoogieDeclarations]: Found specification of procedure dm_cache_policy_destroy [2022-07-21 11:46:53,597 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_cache_policy_destroy [2022-07-21 11:46:53,598 INFO L130 BoogieDeclarations]: Found specification of procedure cache_device_name [2022-07-21 11:46:53,598 INFO L138 BoogieDeclarations]: Found implementation of procedure cache_device_name [2022-07-21 11:46:53,598 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-21 11:46:53,598 INFO L130 BoogieDeclarations]: Found specification of procedure get_policy_once [2022-07-21 11:46:53,598 INFO L138 BoogieDeclarations]: Found implementation of procedure get_policy_once [2022-07-21 11:46:53,598 INFO L130 BoogieDeclarations]: Found specification of procedure issue [2022-07-21 11:46:53,598 INFO L138 BoogieDeclarations]: Found implementation of procedure issue [2022-07-21 11:46:53,598 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-21 11:46:53,598 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-21 11:46:53,598 INFO L130 BoogieDeclarations]: Found specification of procedure inc_and_issue [2022-07-21 11:46:53,599 INFO L138 BoogieDeclarations]: Found implementation of procedure inc_and_issue [2022-07-21 11:46:53,599 INFO L130 BoogieDeclarations]: Found specification of procedure write_discard_bitset [2022-07-21 11:46:53,599 INFO L138 BoogieDeclarations]: Found implementation of procedure write_discard_bitset [2022-07-21 11:46:53,599 INFO L130 BoogieDeclarations]: Found specification of procedure sync_metadata [2022-07-21 11:46:53,599 INFO L138 BoogieDeclarations]: Found implementation of procedure sync_metadata [2022-07-21 11:46:53,599 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait_event [2022-07-21 11:46:53,599 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait_event [2022-07-21 11:46:53,599 INFO L130 BoogieDeclarations]: Found specification of procedure set_discard_range [2022-07-21 11:46:53,599 INFO L138 BoogieDeclarations]: Found implementation of procedure set_discard_range [2022-07-21 11:46:53,600 INFO L130 BoogieDeclarations]: Found specification of procedure policy_unchanged [2022-07-21 11:46:53,600 INFO L138 BoogieDeclarations]: Found implementation of procedure policy_unchanged [2022-07-21 11:46:53,600 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2022-07-21 11:46:53,600 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2022-07-21 11:46:53,600 INFO L130 BoogieDeclarations]: Found specification of procedure set_config_value [2022-07-21 11:46:53,600 INFO L138 BoogieDeclarations]: Found implementation of procedure set_config_value [2022-07-21 11:46:53,600 INFO L130 BoogieDeclarations]: Found specification of procedure stop_worker [2022-07-21 11:46:53,600 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_worker [2022-07-21 11:46:53,600 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destroy_workqueue_12 [2022-07-21 11:46:53,600 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destroy_workqueue_12 [2022-07-21 11:46:53,601 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-07-21 11:46:53,601 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-07-21 11:46:53,601 INFO L130 BoogieDeclarations]: Found specification of procedure policy_force_mapping [2022-07-21 11:46:53,601 INFO L138 BoogieDeclarations]: Found implementation of procedure policy_force_mapping [2022-07-21 11:46:53,601 INFO L130 BoogieDeclarations]: Found specification of procedure remap_to_origin_clear_discard [2022-07-21 11:46:53,601 INFO L138 BoogieDeclarations]: Found implementation of procedure remap_to_origin_clear_discard [2022-07-21 11:46:53,601 INFO L130 BoogieDeclarations]: Found specification of procedure __save_sm_root [2022-07-21 11:46:53,601 INFO L138 BoogieDeclarations]: Found implementation of procedure __save_sm_root [2022-07-21 11:46:53,601 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-21 11:46:53,602 INFO L130 BoogieDeclarations]: Found specification of procedure up_read [2022-07-21 11:46:53,602 INFO L138 BoogieDeclarations]: Found implementation of procedure up_read [2022-07-21 11:46:53,602 INFO L130 BoogieDeclarations]: Found specification of procedure blocks_are_unmapped_or_clean [2022-07-21 11:46:53,602 INFO L138 BoogieDeclarations]: Found implementation of procedure blocks_are_unmapped_or_clean [2022-07-21 11:46:53,602 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2022-07-21 11:46:53,602 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2022-07-21 11:46:53,602 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-21 11:46:53,602 INFO L130 BoogieDeclarations]: Found specification of procedure do_worker [2022-07-21 11:46:53,602 INFO L138 BoogieDeclarations]: Found implementation of procedure do_worker [2022-07-21 11:46:53,602 INFO L130 BoogieDeclarations]: Found specification of procedure list_splice_init [2022-07-21 11:46:53,603 INFO L138 BoogieDeclarations]: Found implementation of procedure list_splice_init [2022-07-21 11:46:53,603 INFO L130 BoogieDeclarations]: Found specification of procedure build_key [2022-07-21 11:46:53,603 INFO L138 BoogieDeclarations]: Found implementation of procedure build_key [2022-07-21 11:46:53,603 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-21 11:46:53,603 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-07-21 11:46:53,603 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-07-21 11:46:53,603 INFO L130 BoogieDeclarations]: Found specification of procedure write_hints [2022-07-21 11:46:53,603 INFO L138 BoogieDeclarations]: Found implementation of procedure write_hints [2022-07-21 11:46:53,603 INFO L130 BoogieDeclarations]: Found specification of procedure ___ratelimit [2022-07-21 11:46:53,604 INFO L138 BoogieDeclarations]: Found implementation of procedure ___ratelimit [2022-07-21 11:46:53,604 INFO L130 BoogieDeclarations]: Found specification of procedure __find_policy [2022-07-21 11:46:53,604 INFO L138 BoogieDeclarations]: Found implementation of procedure __find_policy [2022-07-21 11:46:53,604 INFO L130 BoogieDeclarations]: Found specification of procedure policy_tick [2022-07-21 11:46:53,604 INFO L138 BoogieDeclarations]: Found implementation of procedure policy_tick [2022-07-21 11:46:53,604 INFO L130 BoogieDeclarations]: Found specification of procedure cache_resume [2022-07-21 11:46:53,604 INFO L138 BoogieDeclarations]: Found implementation of procedure cache_resume [2022-07-21 11:46:53,604 INFO L130 BoogieDeclarations]: Found specification of procedure __list_splice [2022-07-21 11:46:53,604 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_splice [2022-07-21 11:46:53,604 INFO L130 BoogieDeclarations]: Found specification of procedure dm_cache_metadata_close [2022-07-21 11:46:53,605 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_cache_metadata_close [2022-07-21 11:46:53,605 INFO L130 BoogieDeclarations]: Found specification of procedure dm_cache_policy_get_hint_size [2022-07-21 11:46:53,605 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_cache_policy_get_hint_size [2022-07-21 11:46:53,605 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2022-07-21 11:46:53,605 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2022-07-21 11:46:53,605 INFO L130 BoogieDeclarations]: Found specification of procedure bio_list_pop [2022-07-21 11:46:53,605 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_list_pop [2022-07-21 11:46:53,605 INFO L130 BoogieDeclarations]: Found specification of procedure free_migration [2022-07-21 11:46:53,605 INFO L138 BoogieDeclarations]: Found implementation of procedure free_migration [2022-07-21 11:46:53,606 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2022-07-21 11:46:53,606 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2022-07-21 11:46:53,606 INFO L130 BoogieDeclarations]: Found specification of procedure passthrough_mode [2022-07-21 11:46:53,606 INFO L138 BoogieDeclarations]: Found implementation of procedure passthrough_mode [2022-07-21 11:46:53,606 INFO L130 BoogieDeclarations]: Found specification of procedure get_cache_mode [2022-07-21 11:46:53,606 INFO L138 BoogieDeclarations]: Found implementation of procedure get_cache_mode [2022-07-21 11:46:53,606 INFO L130 BoogieDeclarations]: Found specification of procedure to_cblock [2022-07-21 11:46:53,606 INFO L138 BoogieDeclarations]: Found implementation of procedure to_cblock [2022-07-21 11:46:53,606 INFO L130 BoogieDeclarations]: Found specification of procedure cache_iterate_devices [2022-07-21 11:46:53,606 INFO L138 BoogieDeclarations]: Found implementation of procedure cache_iterate_devices [2022-07-21 11:46:53,607 INFO L130 BoogieDeclarations]: Found specification of procedure to_oblock [2022-07-21 11:46:53,607 INFO L138 BoogieDeclarations]: Found implementation of procedure to_oblock [2022-07-21 11:46:53,607 INFO L130 BoogieDeclarations]: Found specification of procedure down_write [2022-07-21 11:46:53,607 INFO L138 BoogieDeclarations]: Found implementation of procedure down_write [2022-07-21 11:46:53,607 INFO L130 BoogieDeclarations]: Found specification of procedure block_div [2022-07-21 11:46:53,607 INFO L138 BoogieDeclarations]: Found implementation of procedure block_div [2022-07-21 11:46:53,607 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2022-07-21 11:46:53,607 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2022-07-21 11:46:53,607 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-07-21 11:46:53,607 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-07-21 11:46:53,608 INFO L130 BoogieDeclarations]: Found specification of procedure oblocks_per_dblock [2022-07-21 11:46:53,608 INFO L138 BoogieDeclarations]: Found implementation of procedure oblocks_per_dblock [2022-07-21 11:46:53,608 INFO L130 BoogieDeclarations]: Found specification of procedure policy_set_dirty [2022-07-21 11:46:53,608 INFO L138 BoogieDeclarations]: Found implementation of procedure policy_set_dirty [2022-07-21 11:46:53,608 INFO L130 BoogieDeclarations]: Found specification of procedure set_cache_size [2022-07-21 11:46:53,608 INFO L138 BoogieDeclarations]: Found implementation of procedure set_cache_size [2022-07-21 11:46:53,608 INFO L130 BoogieDeclarations]: Found specification of procedure cache_message [2022-07-21 11:46:53,608 INFO L138 BoogieDeclarations]: Found implementation of procedure cache_message [2022-07-21 11:46:53,608 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2022-07-21 11:46:53,609 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2022-07-21 11:46:53,609 INFO L130 BoogieDeclarations]: Found specification of procedure inc_ds [2022-07-21 11:46:53,609 INFO L138 BoogieDeclarations]: Found implementation of procedure inc_ds [2022-07-21 11:46:53,609 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-21 11:46:53,609 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-21 11:46:53,609 INFO L130 BoogieDeclarations]: Found specification of procedure inc_hit_counter [2022-07-21 11:46:53,609 INFO L138 BoogieDeclarations]: Found implementation of procedure inc_hit_counter [2022-07-21 11:46:53,609 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-07-21 11:46:53,609 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-07-21 11:46:53,609 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_flush_workqueue_11 [2022-07-21 11:46:53,610 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_flush_workqueue_11 [2022-07-21 11:46:53,610 INFO L130 BoogieDeclarations]: Found specification of procedure dm_cell_visit_release [2022-07-21 11:46:53,610 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_cell_visit_release [2022-07-21 11:46:53,610 INFO L130 BoogieDeclarations]: Found specification of procedure commit [2022-07-21 11:46:53,610 INFO L138 BoogieDeclarations]: Found implementation of procedure commit [2022-07-21 11:46:53,610 INFO L130 BoogieDeclarations]: Found specification of procedure bdev_get_queue [2022-07-21 11:46:53,610 INFO L138 BoogieDeclarations]: Found implementation of procedure bdev_get_queue [2022-07-21 11:46:53,610 INFO L130 BoogieDeclarations]: Found specification of procedure cache_io_hints [2022-07-21 11:46:53,610 INFO L138 BoogieDeclarations]: Found implementation of procedure cache_io_hints [2022-07-21 11:46:53,611 INFO L130 BoogieDeclarations]: Found specification of procedure cache_end_io [2022-07-21 11:46:53,611 INFO L138 BoogieDeclarations]: Found implementation of procedure cache_end_io [2022-07-21 11:46:53,611 INFO L130 BoogieDeclarations]: Found specification of procedure accounted_begin [2022-07-21 11:46:53,611 INFO L138 BoogieDeclarations]: Found implementation of procedure accounted_begin [2022-07-21 11:46:53,611 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-21 11:46:53,611 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-21 11:46:53,611 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-21 11:46:53,611 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-21 11:46:53,611 INFO L130 BoogieDeclarations]: Found specification of procedure dm_cache_metadata_abort [2022-07-21 11:46:53,611 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_cache_metadata_abort [2022-07-21 11:46:53,612 INFO L130 BoogieDeclarations]: Found specification of procedure read_superblock_fields [2022-07-21 11:46:53,612 INFO L138 BoogieDeclarations]: Found implementation of procedure read_superblock_fields [2022-07-21 11:46:53,612 INFO L130 BoogieDeclarations]: Found specification of procedure blk_limits_io_min [2022-07-21 11:46:53,612 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_limits_io_min [2022-07-21 11:46:53,612 INFO L130 BoogieDeclarations]: Found specification of procedure inc_miss_counter [2022-07-21 11:46:53,612 INFO L138 BoogieDeclarations]: Found implementation of procedure inc_miss_counter [2022-07-21 11:46:53,612 INFO L130 BoogieDeclarations]: Found specification of procedure migration_failure [2022-07-21 11:46:53,612 INFO L138 BoogieDeclarations]: Found implementation of procedure migration_failure [2022-07-21 11:46:53,612 INFO L130 BoogieDeclarations]: Found specification of procedure dm_hook_bio [2022-07-21 11:46:53,612 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_hook_bio [2022-07-21 11:46:53,613 INFO L130 BoogieDeclarations]: Found specification of procedure dm_array_set_value [2022-07-21 11:46:53,613 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_array_set_value [2022-07-21 11:46:53,613 INFO L130 BoogieDeclarations]: Found specification of procedure free_io_migration [2022-07-21 11:46:53,613 INFO L138 BoogieDeclarations]: Found implementation of procedure free_io_migration [2022-07-21 11:46:53,613 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put [2022-07-21 11:46:53,613 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put [2022-07-21 11:46:53,613 INFO L130 BoogieDeclarations]: Found specification of procedure do_waker [2022-07-21 11:46:53,613 INFO L138 BoogieDeclarations]: Found implementation of procedure do_waker [2022-07-21 11:46:53,613 INFO L130 BoogieDeclarations]: Found specification of procedure get_dev_size [2022-07-21 11:46:53,613 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dev_size [2022-07-21 11:46:53,614 INFO L130 BoogieDeclarations]: Found specification of procedure is_discarded_oblock [2022-07-21 11:46:53,614 INFO L138 BoogieDeclarations]: Found implementation of procedure is_discarded_oblock [2022-07-21 11:46:53,614 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_bitset [2022-07-21 11:46:53,614 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_bitset [2022-07-21 11:46:53,614 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-07-21 11:46:53,614 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-07-21 11:46:53,614 INFO L130 BoogieDeclarations]: Found specification of procedure __setup_mapping_info [2022-07-21 11:46:53,614 INFO L138 BoogieDeclarations]: Found implementation of procedure __setup_mapping_info [2022-07-21 11:46:53,614 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-07-21 11:46:53,615 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-07-21 11:46:53,615 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work_on [2022-07-21 11:46:53,615 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work_on [2022-07-21 11:46:53,615 INFO L130 BoogieDeclarations]: Found specification of procedure bitset_size_in_bytes [2022-07-21 11:46:53,615 INFO L138 BoogieDeclarations]: Found implementation of procedure bitset_size_in_bytes [2022-07-21 11:46:53,615 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-07-21 11:46:53,615 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-07-21 11:46:53,615 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-21 11:46:53,615 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-21 11:46:53,615 INFO L130 BoogieDeclarations]: Found specification of procedure dm_bm_is_read_only [2022-07-21 11:46:53,616 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_bm_is_read_only [2022-07-21 11:46:53,616 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-07-21 11:46:53,616 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-07-21 11:46:53,616 INFO L130 BoogieDeclarations]: Found specification of procedure dm_block_location [2022-07-21 11:46:53,616 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_block_location [2022-07-21 11:46:53,616 INFO L130 BoogieDeclarations]: Found specification of procedure dm_read_arg_group [2022-07-21 11:46:53,616 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_read_arg_group [2022-07-21 11:46:53,616 INFO L130 BoogieDeclarations]: Found specification of procedure clear_dirty [2022-07-21 11:46:53,616 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_dirty [2022-07-21 11:46:53,616 INFO L130 BoogieDeclarations]: Found specification of procedure dm_kcopyd_copy [2022-07-21 11:46:53,617 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_kcopyd_copy [2022-07-21 11:46:53,617 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2022-07-21 11:46:53,617 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2022-07-21 11:46:53,617 INFO L130 BoogieDeclarations]: Found specification of procedure quiesce_migration [2022-07-21 11:46:53,617 INFO L138 BoogieDeclarations]: Found implementation of procedure quiesce_migration [2022-07-21 11:46:53,617 INFO L130 BoogieDeclarations]: Found specification of procedure dm_table_event [2022-07-21 11:46:53,617 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_table_event [2022-07-21 11:46:53,617 INFO L130 BoogieDeclarations]: Found specification of procedure blk_limits_io_opt [2022-07-21 11:46:53,617 INFO L138 BoogieDeclarations]: Found implementation of procedure blk_limits_io_opt [2022-07-21 11:46:53,617 INFO L130 BoogieDeclarations]: Found specification of procedure dm_unregister_target [2022-07-21 11:46:53,618 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_unregister_target [2022-07-21 11:46:53,618 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2022-07-21 11:46:53,618 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2022-07-21 11:46:53,618 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-21 11:46:53,618 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-07-21 11:46:53,618 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-07-21 11:46:53,618 INFO L130 BoogieDeclarations]: Found specification of procedure down_read [2022-07-21 11:46:53,618 INFO L138 BoogieDeclarations]: Found implementation of procedure down_read [2022-07-21 11:46:53,618 INFO L130 BoogieDeclarations]: Found specification of procedure free_prison_cell [2022-07-21 11:46:53,618 INFO L138 BoogieDeclarations]: Found implementation of procedure free_prison_cell [2022-07-21 11:46:53,619 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-21 11:46:53,619 INFO L130 BoogieDeclarations]: Found specification of procedure __format_metadata [2022-07-21 11:46:53,619 INFO L138 BoogieDeclarations]: Found implementation of procedure __format_metadata [2022-07-21 11:46:53,619 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_work_1 [2022-07-21 11:46:53,619 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_work_1 [2022-07-21 11:46:53,619 INFO L130 BoogieDeclarations]: Found specification of procedure discard_or_flush [2022-07-21 11:46:53,619 INFO L138 BoogieDeclarations]: Found implementation of procedure discard_or_flush [2022-07-21 11:46:53,619 INFO L130 BoogieDeclarations]: Found specification of procedure prealloc_data_structs [2022-07-21 11:46:53,619 INFO L138 BoogieDeclarations]: Found implementation of procedure prealloc_data_structs [2022-07-21 11:46:53,620 INFO L130 BoogieDeclarations]: Found specification of procedure up_write [2022-07-21 11:46:53,620 INFO L138 BoogieDeclarations]: Found implementation of procedure up_write [2022-07-21 11:46:53,620 INFO L130 BoogieDeclarations]: Found specification of procedure unpack_value [2022-07-21 11:46:53,620 INFO L138 BoogieDeclarations]: Found implementation of procedure unpack_value [2022-07-21 11:46:53,620 INFO L130 BoogieDeclarations]: Found specification of procedure dm_sm_destroy [2022-07-21 11:46:53,620 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_sm_destroy [2022-07-21 11:46:53,620 INFO L130 BoogieDeclarations]: Found specification of procedure superblock_read_lock [2022-07-21 11:46:53,620 INFO L138 BoogieDeclarations]: Found implementation of procedure superblock_read_lock [2022-07-21 11:46:53,620 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-21 11:46:53,620 INFO L130 BoogieDeclarations]: Found specification of procedure dm_block_data [2022-07-21 11:46:53,621 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_block_data [2022-07-21 11:46:53,621 INFO L130 BoogieDeclarations]: Found specification of procedure from_dblock [2022-07-21 11:46:53,621 INFO L138 BoogieDeclarations]: Found implementation of procedure from_dblock [2022-07-21 11:46:53,621 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-07-21 11:46:53,621 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-07-21 11:46:53,621 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2022-07-21 11:46:53,621 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2022-07-21 11:46:53,621 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2022-07-21 11:46:53,621 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2022-07-21 11:46:53,621 INFO L130 BoogieDeclarations]: Found specification of procedure cache_bvec_merge [2022-07-21 11:46:53,622 INFO L138 BoogieDeclarations]: Found implementation of procedure cache_bvec_merge [2022-07-21 11:46:53,640 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2022-07-21 11:46:53,641 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2022-07-21 11:46:53,641 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2022-07-21 11:46:53,641 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2022-07-21 11:46:53,641 INFO L130 BoogieDeclarations]: Found specification of procedure is_dirty [2022-07-21 11:46:53,641 INFO L138 BoogieDeclarations]: Found implementation of procedure is_dirty [2022-07-21 11:46:53,641 INFO L130 BoogieDeclarations]: Found specification of procedure __open_or_format_metadata [2022-07-21 11:46:53,641 INFO L138 BoogieDeclarations]: Found implementation of procedure __open_or_format_metadata [2022-07-21 11:46:53,641 INFO L130 BoogieDeclarations]: Found specification of procedure bio_list_init [2022-07-21 11:46:53,642 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_list_init [2022-07-21 11:46:53,642 INFO L130 BoogieDeclarations]: Found specification of procedure flush_workqueue [2022-07-21 11:46:53,642 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_workqueue [2022-07-21 11:46:53,642 INFO L130 BoogieDeclarations]: Found specification of procedure dm_array_get_value [2022-07-21 11:46:53,642 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_array_get_value [2022-07-21 11:46:53,642 INFO L130 BoogieDeclarations]: Found specification of procedure dm_array_empty [2022-07-21 11:46:53,642 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_array_empty [2022-07-21 11:46:53,643 INFO L130 BoogieDeclarations]: Found specification of procedure set_dirty [2022-07-21 11:46:53,643 INFO L138 BoogieDeclarations]: Found implementation of procedure set_dirty [2022-07-21 11:46:53,643 INFO L130 BoogieDeclarations]: Found specification of procedure dm_put_device [2022-07-21 11:46:53,643 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_put_device [2022-07-21 11:46:53,643 INFO L130 BoogieDeclarations]: Found specification of procedure dm_array_walk [2022-07-21 11:46:53,643 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_array_walk [2022-07-21 11:46:53,643 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2022-07-21 11:46:53,643 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2022-07-21 11:46:53,644 INFO L130 BoogieDeclarations]: Found specification of procedure remap_to_cache [2022-07-21 11:46:53,644 INFO L138 BoogieDeclarations]: Found implementation of procedure remap_to_cache [2022-07-21 11:46:53,644 INFO L130 BoogieDeclarations]: Found specification of procedure oblock_to_dblock [2022-07-21 11:46:53,644 INFO L138 BoogieDeclarations]: Found implementation of procedure oblock_to_dblock [2022-07-21 11:46:53,644 INFO L130 BoogieDeclarations]: Found specification of procedure wake_worker [2022-07-21 11:46:53,644 INFO L138 BoogieDeclarations]: Found implementation of procedure wake_worker [2022-07-21 11:46:53,644 INFO L130 BoogieDeclarations]: Found specification of procedure prealloc_free_structs [2022-07-21 11:46:53,644 INFO L138 BoogieDeclarations]: Found implementation of procedure prealloc_free_structs [2022-07-21 11:46:53,645 INFO L130 BoogieDeclarations]: Found specification of procedure dm_disk_bitset_init [2022-07-21 11:46:53,645 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_disk_bitset_init [2022-07-21 11:46:53,645 INFO L130 BoogieDeclarations]: Found specification of procedure set_discard [2022-07-21 11:46:53,645 INFO L138 BoogieDeclarations]: Found implementation of procedure set_discard [2022-07-21 11:46:53,645 INFO L130 BoogieDeclarations]: Found specification of procedure get_bio_block [2022-07-21 11:46:53,645 INFO L138 BoogieDeclarations]: Found implementation of procedure get_bio_block [2022-07-21 11:46:53,645 INFO L130 BoogieDeclarations]: Found specification of procedure destroy [2022-07-21 11:46:53,645 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy [2022-07-21 11:46:53,645 INFO L130 BoogieDeclarations]: Found specification of procedure dm_bm_read_lock [2022-07-21 11:46:53,646 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_bm_read_lock [2022-07-21 11:46:53,646 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-07-21 11:46:53,646 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-07-21 11:46:53,646 INFO L130 BoogieDeclarations]: Found specification of procedure dm_cell_release [2022-07-21 11:46:53,646 INFO L130 BoogieDeclarations]: Found specification of procedure is_quiescing [2022-07-21 11:46:53,646 INFO L138 BoogieDeclarations]: Found implementation of procedure is_quiescing [2022-07-21 11:46:53,646 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-21 11:46:53,646 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-21 11:46:53,647 INFO L130 BoogieDeclarations]: Found specification of procedure abort_transaction [2022-07-21 11:46:53,647 INFO L138 BoogieDeclarations]: Found implementation of procedure abort_transaction [2022-07-21 11:46:53,647 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-21 11:46:53,647 INFO L130 BoogieDeclarations]: Found specification of procedure set_cache_mode [2022-07-21 11:46:53,647 INFO L138 BoogieDeclarations]: Found implementation of procedure set_cache_mode [2022-07-21 11:46:53,647 INFO L130 BoogieDeclarations]: Found specification of procedure dm_array_info_init [2022-07-21 11:46:53,647 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_array_info_init [2022-07-21 11:46:53,647 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-21 11:46:53,647 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-21 11:46:53,648 INFO L130 BoogieDeclarations]: Found specification of procedure from_oblock [2022-07-21 11:46:53,648 INFO L138 BoogieDeclarations]: Found implementation of procedure from_oblock [2022-07-21 11:46:53,648 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2022-07-21 11:46:53,648 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2022-07-21 11:46:53,648 INFO L130 BoogieDeclarations]: Found specification of procedure superblock_lock [2022-07-21 11:46:53,648 INFO L138 BoogieDeclarations]: Found implementation of procedure superblock_lock [2022-07-21 11:46:53,648 INFO L130 BoogieDeclarations]: Found specification of procedure avoid_copy [2022-07-21 11:46:53,648 INFO L138 BoogieDeclarations]: Found implementation of procedure avoid_copy [2022-07-21 11:46:53,648 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2022-07-21 11:46:53,648 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2022-07-21 11:46:53,649 INFO L130 BoogieDeclarations]: Found specification of procedure dm_cache_policy_get_name [2022-07-21 11:46:53,649 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_cache_policy_get_name [2022-07-21 11:46:53,649 INFO L130 BoogieDeclarations]: Found specification of procedure spare_migration_bandwidth [2022-07-21 11:46:53,649 INFO L138 BoogieDeclarations]: Found implementation of procedure spare_migration_bandwidth [2022-07-21 11:46:53,649 INFO L130 BoogieDeclarations]: Found specification of procedure bio_list_add [2022-07-21 11:46:53,649 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_list_add [2022-07-21 11:46:53,649 INFO L130 BoogieDeclarations]: Found specification of procedure remap_cell_to_cache_dirty [2022-07-21 11:46:53,649 INFO L138 BoogieDeclarations]: Found implementation of procedure remap_cell_to_cache_dirty [2022-07-21 11:46:53,649 INFO L130 BoogieDeclarations]: Found specification of procedure prealloc_put_cell [2022-07-21 11:46:53,649 INFO L138 BoogieDeclarations]: Found implementation of procedure prealloc_put_cell [2022-07-21 11:46:53,649 INFO L130 BoogieDeclarations]: Found specification of procedure strcasecmp [2022-07-21 11:46:53,650 INFO L138 BoogieDeclarations]: Found implementation of procedure strcasecmp [2022-07-21 11:46:53,650 INFO L130 BoogieDeclarations]: Found specification of procedure defer_bio [2022-07-21 11:46:53,650 INFO L138 BoogieDeclarations]: Found implementation of procedure defer_bio [2022-07-21 11:46:53,650 INFO L130 BoogieDeclarations]: Found specification of procedure metadata_operation_failed [2022-07-21 11:46:53,650 INFO L138 BoogieDeclarations]: Found implementation of procedure metadata_operation_failed [2022-07-21 11:46:53,650 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2022-07-21 11:46:53,650 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2022-07-21 11:46:53,650 INFO L130 BoogieDeclarations]: Found specification of procedure dm_shift_arg [2022-07-21 11:46:53,650 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_shift_arg [2022-07-21 11:46:53,650 INFO L130 BoogieDeclarations]: Found specification of procedure process_invalidation_requests [2022-07-21 11:46:53,651 INFO L138 BoogieDeclarations]: Found implementation of procedure process_invalidation_requests [2022-07-21 11:46:53,651 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2022-07-21 11:46:53,651 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2022-07-21 11:46:53,651 INFO L130 BoogieDeclarations]: Found specification of procedure bio_list_merge [2022-07-21 11:46:53,651 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_list_merge [2022-07-21 11:46:53,651 INFO L130 BoogieDeclarations]: Found specification of procedure policy_remove_mapping [2022-07-21 11:46:53,651 INFO L138 BoogieDeclarations]: Found implementation of procedure policy_remove_mapping [2022-07-21 11:46:53,651 INFO L130 BoogieDeclarations]: Found specification of procedure to_dblock [2022-07-21 11:46:53,651 INFO L138 BoogieDeclarations]: Found implementation of procedure to_dblock [2022-07-21 11:46:53,651 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_all_1 [2022-07-21 11:46:53,652 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_all_1 [2022-07-21 11:46:53,652 INFO L130 BoogieDeclarations]: Found specification of procedure bio_detain [2022-07-21 11:46:53,652 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_detain [2022-07-21 11:46:53,652 INFO L130 BoogieDeclarations]: Found specification of procedure kstrtoul [2022-07-21 11:46:53,652 INFO L138 BoogieDeclarations]: Found implementation of procedure kstrtoul [2022-07-21 11:46:53,652 INFO L130 BoogieDeclarations]: Found specification of procedure at_least_one_arg [2022-07-21 11:46:53,652 INFO L138 BoogieDeclarations]: Found implementation of procedure at_least_one_arg [2022-07-21 11:46:53,652 INFO L130 BoogieDeclarations]: Found specification of procedure __queue_quiesced_migration [2022-07-21 11:46:53,652 INFO L138 BoogieDeclarations]: Found implementation of procedure __queue_quiesced_migration [2022-07-21 11:46:53,652 INFO L130 BoogieDeclarations]: Found specification of procedure inc_io_migrations [2022-07-21 11:46:53,652 INFO L138 BoogieDeclarations]: Found implementation of procedure inc_io_migrations [2022-07-21 11:46:53,653 INFO L130 BoogieDeclarations]: Found specification of procedure mempool_free_slab [2022-07-21 11:46:53,653 INFO L130 BoogieDeclarations]: Found specification of procedure policy_map [2022-07-21 11:46:53,653 INFO L138 BoogieDeclarations]: Found implementation of procedure policy_map [2022-07-21 11:46:53,664 INFO L130 BoogieDeclarations]: Found specification of procedure dm_bio_prison_free_cell [2022-07-21 11:46:53,664 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_bio_prison_free_cell [2022-07-21 11:46:53,664 INFO L130 BoogieDeclarations]: Found specification of procedure dm_tm_destroy [2022-07-21 11:46:53,665 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_tm_destroy [2022-07-21 11:46:53,665 INFO L130 BoogieDeclarations]: Found specification of procedure complete_migration [2022-07-21 11:46:53,665 INFO L138 BoogieDeclarations]: Found implementation of procedure complete_migration [2022-07-21 11:46:53,665 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-07-21 11:46:53,665 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-07-21 11:46:53,665 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-07-21 11:46:53,665 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-07-21 11:46:53,665 INFO L130 BoogieDeclarations]: Found specification of procedure __destroy_persistent_data_objects [2022-07-21 11:46:53,666 INFO L138 BoogieDeclarations]: Found implementation of procedure __destroy_persistent_data_objects [2022-07-21 11:46:53,666 INFO L130 BoogieDeclarations]: Found specification of procedure lookup [2022-07-21 11:46:53,666 INFO L138 BoogieDeclarations]: Found implementation of procedure lookup [2022-07-21 11:46:53,666 INFO L130 BoogieDeclarations]: Found specification of procedure process_invalidation_request [2022-07-21 11:46:53,666 INFO L138 BoogieDeclarations]: Found implementation of procedure process_invalidation_request [2022-07-21 11:46:53,666 INFO L130 BoogieDeclarations]: Found specification of procedure migration_success_pre_commit [2022-07-21 11:46:53,666 INFO L138 BoogieDeclarations]: Found implementation of procedure migration_success_pre_commit [2022-07-21 11:46:53,666 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-21 11:46:53,667 INFO L130 BoogieDeclarations]: Found specification of procedure cache_status [2022-07-21 11:46:53,667 INFO L138 BoogieDeclarations]: Found implementation of procedure cache_status [2022-07-21 11:46:53,667 INFO L130 BoogieDeclarations]: Found specification of procedure dm_bm_unlock [2022-07-21 11:46:53,667 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_bm_unlock [2022-07-21 11:46:53,667 INFO L130 BoogieDeclarations]: Found specification of procedure dm_get_device [2022-07-21 11:46:53,667 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_get_device [2022-07-21 11:46:53,667 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2022-07-21 11:46:53,667 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dm_oblock_t~0~TO~VOID [2022-07-21 11:46:53,667 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dm_oblock_t~0~TO~VOID [2022-07-21 11:46:53,668 INFO L130 BoogieDeclarations]: Found specification of procedure process_cell [2022-07-21 11:46:53,668 INFO L138 BoogieDeclarations]: Found implementation of procedure process_cell [2022-07-21 11:46:54,716 INFO L234 CfgBuilder]: Building ICFG [2022-07-21 11:46:54,721 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-21 11:46:55,160 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-21 11:47:02,795 INFO L275 CfgBuilder]: Performing block encoding [2022-07-21 11:47:02,818 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-21 11:47:02,819 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-21 11:47:02,824 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 11:47:02 BoogieIcfgContainer [2022-07-21 11:47:02,824 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-21 11:47:02,825 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-21 11:47:02,825 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-21 11:47:02,827 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-21 11:47:02,827 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.07 11:46:48" (1/3) ... [2022-07-21 11:47:02,828 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ac8dfdc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 11:47:02, skipping insertion in model container [2022-07-21 11:47:02,828 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:46:52" (2/3) ... [2022-07-21 11:47:02,828 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ac8dfdc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 11:47:02, skipping insertion in model container [2022-07-21 11:47:02,828 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 11:47:02" (3/3) ... [2022-07-21 11:47:02,830 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-08_1a-drivers--md--dm-cache.ko-entry_point.cil.out.i [2022-07-21 11:47:02,844 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-21 11:47:02,844 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-21 11:47:02,929 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-21 11:47:02,933 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@5704d18b, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@7eaa31c3 [2022-07-21 11:47:02,933 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-21 11:47:02,944 INFO L276 IsEmpty]: Start isEmpty. Operand has 3869 states, 2500 states have (on average 1.276) internal successors, (3190), 2583 states have internal predecessors, (3190), 1124 states have call successors, (1124), 244 states have call predecessors, (1124), 243 states have return successors, (1118), 1089 states have call predecessors, (1118), 1118 states have call successors, (1118) [2022-07-21 11:47:02,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2022-07-21 11:47:02,959 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 11:47:02,960 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:47:02,960 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 11:47:02,964 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 11:47:02,964 INFO L85 PathProgramCache]: Analyzing trace with hash -711896599, now seen corresponding path program 1 times [2022-07-21 11:47:02,970 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 11:47:02,971 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1709238850] [2022-07-21 11:47:02,971 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 11:47:02,972 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 11:47:03,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:47:03,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 11:47:03,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:47:03,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:47:03,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:47:03,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 11:47:03,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:47:03,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-21 11:47:03,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:47:03,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:47:03,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:47:03,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 11:47:03,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:47:03,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-21 11:47:03,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:47:03,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:47:03,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:47:03,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 11:47:03,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:47:03,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-21 11:47:03,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:47:03,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:47:03,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:47:03,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 11:47:03,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:47:03,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-21 11:47:03,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:47:03,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:47:03,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:47:03,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 11:47:03,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:47:03,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-21 11:47:03,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:47:03,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:47:03,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:47:03,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 11:47:03,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:47:03,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-21 11:47:03,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:47:03,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:47:03,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:47:03,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 11:47:03,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:47:03,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-21 11:47:03,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:47:03,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:47:03,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:47:03,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 11:47:03,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:47:03,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-21 11:47:03,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:47:03,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:47:03,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:47:03,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 11:47:03,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:47:03,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-07-21 11:47:03,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:47:03,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:47:03,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:47:03,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-07-21 11:47:03,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:47:03,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:47:03,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:47:03,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-07-21 11:47:03,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:47:03,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:47:03,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:47:03,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-07-21 11:47:03,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:47:03,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:47:03,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:47:03,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2022-07-21 11:47:03,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:47:03,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:47:03,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:47:03,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-07-21 11:47:04,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:47:04,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:47:04,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:47:04,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-07-21 11:47:04,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:47:04,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:47:04,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:47:04,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-07-21 11:47:04,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:47:04,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:47:04,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:47:04,048 INFO L134 CoverageAnalysis]: Checked inductivity of 756 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 756 trivial. 0 not checked. [2022-07-21 11:47:04,048 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 11:47:04,049 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1709238850] [2022-07-21 11:47:04,049 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1709238850] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 11:47:04,049 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 11:47:04,050 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-21 11:47:04,053 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1142853746] [2022-07-21 11:47:04,055 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 11:47:04,059 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-21 11:47:04,060 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 11:47:04,088 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-21 11:47:04,089 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-21 11:47:04,097 INFO L87 Difference]: Start difference. First operand has 3869 states, 2500 states have (on average 1.276) internal successors, (3190), 2583 states have internal predecessors, (3190), 1124 states have call successors, (1124), 244 states have call predecessors, (1124), 243 states have return successors, (1118), 1089 states have call predecessors, (1118), 1118 states have call successors, (1118) Second operand has 5 states, 5 states have (on average 10.4) internal successors, (52), 2 states have internal predecessors, (52), 2 states have call successors, (21), 5 states have call predecessors, (21), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-07-21 11:47:12,312 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 11:47:12,786 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 11:47:12,787 INFO L93 Difference]: Finished difference Result 8424 states and 12313 transitions. [2022-07-21 11:47:12,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-21 11:47:12,789 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 2 states have internal predecessors, (52), 2 states have call successors, (21), 5 states have call predecessors, (21), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 253 [2022-07-21 11:47:12,789 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 11:47:12,826 INFO L225 Difference]: With dead ends: 8424 [2022-07-21 11:47:12,827 INFO L226 Difference]: Without dead ends: 4539 [2022-07-21 11:47:12,852 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2022-07-21 11:47:12,854 INFO L413 NwaCegarLoop]: 4911 mSDtfsCounter, 4339 mSDsluCounter, 2157 mSDsCounter, 0 mSdLazyCounter, 2291 mSolverCounterSat, 5009 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4448 SdHoareTripleChecker+Valid, 7068 SdHoareTripleChecker+Invalid, 7300 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5009 IncrementalHoareTripleChecker+Valid, 2291 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.2s IncrementalHoareTripleChecker+Time [2022-07-21 11:47:12,855 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4448 Valid, 7068 Invalid, 7300 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5009 Valid, 2291 Invalid, 0 Unknown, 0 Unchecked, 8.2s Time] [2022-07-21 11:47:12,872 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4539 states. [2022-07-21 11:47:13,147 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4539 to 3848. [2022-07-21 11:47:13,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3848 states, 2487 states have (on average 1.2706071572175313) internal successors, (3160), 2562 states have internal predecessors, (3160), 1118 states have call successors, (1118), 243 states have call predecessors, (1118), 242 states have return successors, (1116), 1087 states have call predecessors, (1116), 1116 states have call successors, (1116) [2022-07-21 11:47:13,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3848 states to 3848 states and 5394 transitions. [2022-07-21 11:47:13,183 INFO L78 Accepts]: Start accepts. Automaton has 3848 states and 5394 transitions. Word has length 253 [2022-07-21 11:47:13,184 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 11:47:13,184 INFO L495 AbstractCegarLoop]: Abstraction has 3848 states and 5394 transitions. [2022-07-21 11:47:13,185 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 2 states have internal predecessors, (52), 2 states have call successors, (21), 5 states have call predecessors, (21), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-07-21 11:47:13,185 INFO L276 IsEmpty]: Start isEmpty. Operand 3848 states and 5394 transitions. [2022-07-21 11:47:13,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2022-07-21 11:47:13,192 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 11:47:13,192 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:47:13,192 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-21 11:47:13,192 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 11:47:13,193 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 11:47:13,193 INFO L85 PathProgramCache]: Analyzing trace with hash -1510072297, now seen corresponding path program 1 times [2022-07-21 11:47:13,193 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 11:47:13,193 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1237285263] [2022-07-21 11:47:13,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 11:47:13,193 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 11:47:13,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:47:13,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 11:47:13,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:47:13,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:47:13,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:47:13,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 11:47:13,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:47:13,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-21 11:47:13,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:47:13,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:47:13,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:47:13,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 11:47:13,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:47:13,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-21 11:47:13,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:47:13,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:47:13,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:47:13,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 11:47:13,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:47:13,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-21 11:47:13,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:47:13,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:47:13,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:47:13,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 11:47:13,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:47:13,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-21 11:47:13,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:47:13,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:47:13,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:47:13,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 11:47:13,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:47:13,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-21 11:47:13,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:47:13,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:47:13,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:47:13,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 11:47:13,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:47:13,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-21 11:47:13,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:47:13,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:47:13,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:47:13,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 11:47:13,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:47:13,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-21 11:47:13,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:47:13,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:47:13,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:47:13,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 11:47:13,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:47:13,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-21 11:47:13,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:47:13,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:47:13,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:47:13,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 11:47:13,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:47:13,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-07-21 11:47:13,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:47:13,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:47:13,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:47:13,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-07-21 11:47:13,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:47:13,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:47:13,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:47:13,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-07-21 11:47:13,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:47:13,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:47:13,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:47:13,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-07-21 11:47:13,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:47:13,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:47:13,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:47:13,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2022-07-21 11:47:13,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:47:13,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:47:13,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:47:13,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-07-21 11:47:13,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:47:13,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:47:13,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:47:13,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-07-21 11:47:13,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:47:13,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:47:13,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:47:13,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-07-21 11:47:13,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:47:13,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:47:13,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:47:13,702 INFO L134 CoverageAnalysis]: Checked inductivity of 756 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 756 trivial. 0 not checked. [2022-07-21 11:47:13,702 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 11:47:13,703 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1237285263] [2022-07-21 11:47:13,703 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1237285263] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 11:47:13,703 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 11:47:13,703 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-21 11:47:13,703 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [959964893] [2022-07-21 11:47:13,703 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 11:47:13,704 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-21 11:47:13,704 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 11:47:13,705 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-21 11:47:13,705 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-07-21 11:47:13,705 INFO L87 Difference]: Start difference. First operand 3848 states and 5394 transitions. Second operand has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 3 states have internal predecessors, (52), 3 states have call successors, (21), 5 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-07-21 11:47:23,393 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 11:47:30,853 WARN L534 Checker$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 11:47:32,497 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 11:47:32,497 INFO L93 Difference]: Finished difference Result 12846 states and 18545 transitions. [2022-07-21 11:47:32,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-21 11:47:32,498 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 3 states have internal predecessors, (52), 3 states have call successors, (21), 5 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 253 [2022-07-21 11:47:32,499 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 11:47:32,590 INFO L225 Difference]: With dead ends: 12846 [2022-07-21 11:47:32,590 INFO L226 Difference]: Without dead ends: 9031 [2022-07-21 11:47:32,605 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 87 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2022-07-21 11:47:32,606 INFO L413 NwaCegarLoop]: 6163 mSDtfsCounter, 13204 mSDsluCounter, 6005 mSDsCounter, 0 mSdLazyCounter, 5923 mSolverCounterSat, 10741 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13908 SdHoareTripleChecker+Valid, 12168 SdHoareTripleChecker+Invalid, 16666 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 10741 IncrementalHoareTripleChecker+Valid, 5923 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.1s IncrementalHoareTripleChecker+Time [2022-07-21 11:47:32,606 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13908 Valid, 12168 Invalid, 16666 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [10741 Valid, 5923 Invalid, 2 Unknown, 0 Unchecked, 18.1s Time] [2022-07-21 11:47:32,613 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9031 states. [2022-07-21 11:47:32,816 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9031 to 7646. [2022-07-21 11:47:32,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7646 states, 4945 states have (on average 1.271587462082912) internal successors, (6288), 5094 states have internal predecessors, (6288), 2216 states have call successors, (2216), 485 states have call predecessors, (2216), 484 states have return successors, (2216), 2156 states have call predecessors, (2216), 2214 states have call successors, (2216) [2022-07-21 11:47:32,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7646 states to 7646 states and 10720 transitions. [2022-07-21 11:47:32,869 INFO L78 Accepts]: Start accepts. Automaton has 7646 states and 10720 transitions. Word has length 253 [2022-07-21 11:47:32,871 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 11:47:32,871 INFO L495 AbstractCegarLoop]: Abstraction has 7646 states and 10720 transitions. [2022-07-21 11:47:32,872 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 3 states have internal predecessors, (52), 3 states have call successors, (21), 5 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-07-21 11:47:32,872 INFO L276 IsEmpty]: Start isEmpty. Operand 7646 states and 10720 transitions. [2022-07-21 11:47:32,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 336 [2022-07-21 11:47:32,882 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 11:47:32,882 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:47:32,884 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-21 11:47:32,884 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 11:47:32,884 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 11:47:32,884 INFO L85 PathProgramCache]: Analyzing trace with hash -1524897716, now seen corresponding path program 1 times [2022-07-21 11:47:32,884 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 11:47:32,885 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1962690825] [2022-07-21 11:47:32,885 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 11:47:32,885 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 11:47:32,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:47:33,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 11:47:33,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:47:33,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:47:33,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:47:33,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 11:47:33,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:47:33,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-21 11:47:33,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:47:33,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:47:33,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:47:33,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 11:47:33,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:47:33,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-21 11:47:33,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:47:33,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:47:33,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:47:33,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 11:47:33,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:47:33,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-21 11:47:33,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:47:33,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:47:33,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:47:33,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 11:47:33,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:47:33,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-21 11:47:33,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:47:33,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:47:33,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:47:33,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 11:47:33,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:47:33,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-21 11:47:33,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:47:33,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:47:33,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:47:33,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 11:47:33,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:47:33,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-21 11:47:33,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:47:33,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:47:33,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:47:33,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 11:47:33,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:47:33,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-21 11:47:33,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:47:33,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:47:33,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:47:33,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 11:47:33,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:47:33,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-21 11:47:33,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:47:33,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:47:33,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:47:33,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 11:47:33,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:47:33,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-07-21 11:47:33,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:47:33,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:47:33,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:47:33,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-07-21 11:47:33,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:47:33,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:47:33,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:47:33,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-07-21 11:47:33,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:47:33,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:47:33,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:47:33,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-07-21 11:47:33,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:47:33,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:47:33,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:47:33,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2022-07-21 11:47:33,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:47:33,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:47:33,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:47:33,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-07-21 11:47:33,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:47:33,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:47:33,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:47:33,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-07-21 11:47:33,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:47:33,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:47:33,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:47:33,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-07-21 11:47:33,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:47:33,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:47:33,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:47:33,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2022-07-21 11:47:33,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:47:33,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-21 11:47:33,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:47:33,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:47:33,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:47:33,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 11:47:33,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:47:33,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-21 11:47:33,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:47:33,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:47:33,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:47:33,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 11:47:33,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:47:33,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-21 11:47:33,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:47:33,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-07-21 11:47:33,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:47:33,446 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2022-07-21 11:47:33,446 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 11:47:33,446 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1962690825] [2022-07-21 11:47:33,446 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1962690825] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 11:47:33,446 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 11:47:33,446 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-07-21 11:47:33,447 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1447075227] [2022-07-21 11:47:33,447 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 11:47:33,448 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-21 11:47:33,448 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 11:47:33,448 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-21 11:47:33,448 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2022-07-21 11:47:33,449 INFO L87 Difference]: Start difference. First operand 7646 states and 10720 transitions. Second operand has 9 states, 9 states have (on average 12.0) internal successors, (108), 3 states have internal predecessors, (108), 2 states have call successors, (35), 8 states have call predecessors, (35), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2022-07-21 11:48:01,846 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 11:48:36,754 WARN L534 Checker$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 11:48:38,572 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.82s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 11:48:43,340 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.79s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 11:48:44,771 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.43s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 11:48:46,808 WARN L534 Checker$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 11:48:49,950 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 11:48:51,147 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 11:48:54,388 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 11:48:56,416 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 11:48:56,416 INFO L93 Difference]: Finished difference Result 26636 states and 38917 transitions. [2022-07-21 11:48:56,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-21 11:48:56,417 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.0) internal successors, (108), 3 states have internal predecessors, (108), 2 states have call successors, (35), 8 states have call predecessors, (35), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) Word has length 335 [2022-07-21 11:48:56,418 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 11:48:56,537 INFO L225 Difference]: With dead ends: 26636 [2022-07-21 11:48:56,538 INFO L226 Difference]: Without dead ends: 19029 [2022-07-21 11:48:56,575 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 123 GetRequests, 108 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=96, Invalid=176, Unknown=0, NotChecked=0, Total=272 [2022-07-21 11:48:56,579 INFO L413 NwaCegarLoop]: 5654 mSDtfsCounter, 8118 mSDsluCounter, 12962 mSDsCounter, 0 mSdLazyCounter, 23998 mSolverCounterSat, 6234 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 77.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9272 SdHoareTripleChecker+Valid, 18616 SdHoareTripleChecker+Invalid, 30234 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 6234 IncrementalHoareTripleChecker+Valid, 23998 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 81.2s IncrementalHoareTripleChecker+Time [2022-07-21 11:48:56,580 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9272 Valid, 18616 Invalid, 30234 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [6234 Valid, 23998 Invalid, 2 Unknown, 0 Unchecked, 81.2s Time] [2022-07-21 11:48:56,600 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19029 states. [2022-07-21 11:48:57,238 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19029 to 13093. [2022-07-21 11:48:57,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13093 states, 8402 states have (on average 1.2594620328493216) internal successors, (10582), 8695 states have internal predecessors, (10582), 3781 states have call successors, (3781), 909 states have call predecessors, (3781), 909 states have return successors, (3783), 3662 states have call predecessors, (3783), 3779 states have call successors, (3783) [2022-07-21 11:48:57,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13093 states to 13093 states and 18146 transitions. [2022-07-21 11:48:57,303 INFO L78 Accepts]: Start accepts. Automaton has 13093 states and 18146 transitions. Word has length 335 [2022-07-21 11:48:57,304 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 11:48:57,304 INFO L495 AbstractCegarLoop]: Abstraction has 13093 states and 18146 transitions. [2022-07-21 11:48:57,304 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.0) internal successors, (108), 3 states have internal predecessors, (108), 2 states have call successors, (35), 8 states have call predecessors, (35), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2022-07-21 11:48:57,304 INFO L276 IsEmpty]: Start isEmpty. Operand 13093 states and 18146 transitions. [2022-07-21 11:48:57,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 325 [2022-07-21 11:48:57,310 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 11:48:57,310 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:48:57,310 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-21 11:48:57,310 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 11:48:57,311 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 11:48:57,311 INFO L85 PathProgramCache]: Analyzing trace with hash -818170750, now seen corresponding path program 1 times [2022-07-21 11:48:57,311 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 11:48:57,311 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [136044983] [2022-07-21 11:48:57,311 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 11:48:57,311 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 11:48:57,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:48:57,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 11:48:57,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:48:57,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:48:57,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:48:57,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 11:48:57,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:48:57,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-21 11:48:57,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:48:57,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:48:57,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:48:57,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 11:48:57,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:48:57,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-21 11:48:57,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:48:57,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:48:57,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:48:57,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 11:48:57,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:48:57,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-21 11:48:57,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:48:57,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:48:57,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:48:57,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 11:48:57,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:48:57,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-21 11:48:57,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:48:57,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:48:57,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:48:57,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 11:48:57,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:48:57,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-21 11:48:57,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:48:57,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:48:57,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:48:57,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 11:48:57,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:48:57,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-21 11:48:57,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:48:57,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:48:57,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:48:57,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 11:48:57,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:48:57,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-21 11:48:57,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:48:57,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:48:57,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:48:57,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 11:48:57,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:48:57,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-21 11:48:57,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:48:57,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:48:57,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:48:57,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 11:48:57,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:48:57,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-07-21 11:48:57,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:48:57,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:48:57,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:48:57,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-07-21 11:48:57,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:48:57,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:48:57,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:48:57,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-07-21 11:48:57,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:48:57,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:48:57,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:48:57,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-07-21 11:48:57,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:48:57,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:48:57,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:48:57,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2022-07-21 11:48:57,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:48:57,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:48:57,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:48:57,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-07-21 11:48:57,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:48:57,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:48:57,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:48:57,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-07-21 11:48:57,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:48:57,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:48:57,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:48:57,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-07-21 11:48:57,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:48:57,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:48:57,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:48:57,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-07-21 11:48:57,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:48:57,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:48:57,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:48:57,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2022-07-21 11:48:57,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:48:57,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2022-07-21 11:48:57,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:48:57,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2022-07-21 11:48:57,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:48:57,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2022-07-21 11:48:57,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:48:57,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:48:57,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:48:57,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2022-07-21 11:48:57,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:48:57,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2022-07-21 11:48:57,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:48:57,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-21 11:48:57,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:48:57,939 INFO L134 CoverageAnalysis]: Checked inductivity of 758 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 756 trivial. 0 not checked. [2022-07-21 11:48:57,939 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 11:48:57,940 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [136044983] [2022-07-21 11:48:57,940 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [136044983] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-21 11:48:57,940 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1740123448] [2022-07-21 11:48:57,940 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 11:48:57,940 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-21 11:48:57,940 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-21 11:48:57,942 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-21 11:48:57,947 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-07-21 11:48:59,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:48:59,304 INFO L263 TraceCheckSpWp]: Trace formula consists of 3729 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-21 11:48:59,328 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 11:48:59,391 INFO L134 CoverageAnalysis]: Checked inductivity of 758 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 756 trivial. 0 not checked. [2022-07-21 11:48:59,391 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 11:48:59,392 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1740123448] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 11:48:59,392 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-21 11:48:59,392 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [9] total 9 [2022-07-21 11:48:59,392 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [633612674] [2022-07-21 11:48:59,392 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 11:48:59,393 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-21 11:48:59,393 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 11:48:59,393 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-21 11:48:59,393 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2022-07-21 11:48:59,394 INFO L87 Difference]: Start difference. First operand 13093 states and 18146 transitions. Second operand has 5 states, 5 states have (on average 19.4) internal successors, (97), 4 states have internal predecessors, (97), 3 states have call successors, (37), 4 states have call predecessors, (37), 2 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) [2022-07-21 11:48:59,988 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 11:48:59,989 INFO L93 Difference]: Finished difference Result 26259 states and 36712 transitions. [2022-07-21 11:48:59,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-21 11:48:59,990 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 19.4) internal successors, (97), 4 states have internal predecessors, (97), 3 states have call successors, (37), 4 states have call predecessors, (37), 2 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) Word has length 324 [2022-07-21 11:48:59,991 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 11:49:00,048 INFO L225 Difference]: With dead ends: 26259 [2022-07-21 11:49:00,048 INFO L226 Difference]: Without dead ends: 13205 [2022-07-21 11:49:00,102 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 435 GetRequests, 427 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2022-07-21 11:49:00,103 INFO L413 NwaCegarLoop]: 5389 mSDtfsCounter, 22 mSDsluCounter, 16136 mSDsCounter, 0 mSdLazyCounter, 68 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 21525 SdHoareTripleChecker+Invalid, 84 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 68 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-21 11:49:00,103 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 21525 Invalid, 84 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 68 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-21 11:49:00,116 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13205 states. [2022-07-21 11:49:00,735 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13205 to 13205. [2022-07-21 11:49:00,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13205 states, 8478 states have (on average 1.2576079263977353) internal successors, (10662), 8771 states have internal predecessors, (10662), 3809 states have call successors, (3809), 917 states have call predecessors, (3809), 917 states have return successors, (3811), 3690 states have call predecessors, (3811), 3807 states have call successors, (3811) [2022-07-21 11:49:00,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13205 states to 13205 states and 18282 transitions. [2022-07-21 11:49:00,820 INFO L78 Accepts]: Start accepts. Automaton has 13205 states and 18282 transitions. Word has length 324 [2022-07-21 11:49:00,823 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 11:49:00,824 INFO L495 AbstractCegarLoop]: Abstraction has 13205 states and 18282 transitions. [2022-07-21 11:49:00,824 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 19.4) internal successors, (97), 4 states have internal predecessors, (97), 3 states have call successors, (37), 4 states have call predecessors, (37), 2 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) [2022-07-21 11:49:00,824 INFO L276 IsEmpty]: Start isEmpty. Operand 13205 states and 18282 transitions. [2022-07-21 11:49:00,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 361 [2022-07-21 11:49:00,838 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 11:49:00,838 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:49:00,891 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-07-21 11:49:01,065 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-21 11:49:01,065 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 11:49:01,065 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 11:49:01,066 INFO L85 PathProgramCache]: Analyzing trace with hash 159305928, now seen corresponding path program 1 times [2022-07-21 11:49:01,066 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 11:49:01,066 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1714490325] [2022-07-21 11:49:01,066 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 11:49:01,066 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 11:49:01,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:49:01,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 11:49:01,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:49:01,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:49:01,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:49:01,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 11:49:01,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:49:01,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-21 11:49:01,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:49:01,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:49:01,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:49:01,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 11:49:01,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:49:01,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-21 11:49:01,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:49:01,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:49:01,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:49:01,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 11:49:01,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:49:01,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-21 11:49:01,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:49:01,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:49:01,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:49:01,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 11:49:01,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:49:01,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-21 11:49:01,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:49:01,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:49:01,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:49:01,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 11:49:01,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:49:01,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-21 11:49:01,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:49:01,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:49:01,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:49:01,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 11:49:01,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:49:01,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-21 11:49:01,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:49:01,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:49:01,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:49:01,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 11:49:01,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:49:01,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-21 11:49:01,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:49:01,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:49:01,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:49:01,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 11:49:01,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:49:01,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-21 11:49:01,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:49:01,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:49:01,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:49:01,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 11:49:01,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:49:01,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-07-21 11:49:01,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:49:01,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:49:01,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:49:01,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-07-21 11:49:01,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:49:01,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:49:01,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:49:01,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-07-21 11:49:01,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:49:01,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:49:01,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:49:01,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-07-21 11:49:01,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:49:01,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:49:01,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:49:01,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2022-07-21 11:49:01,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:49:01,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:49:01,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:49:01,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-07-21 11:49:01,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:49:01,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:49:01,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:49:01,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-07-21 11:49:01,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:49:01,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:49:01,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:49:01,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-07-21 11:49:01,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:49:01,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:49:01,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:49:01,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2022-07-21 11:49:01,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:49:01,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:49:01,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:49:01,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2022-07-21 11:49:01,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:49:01,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:49:01,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:49:01,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-21 11:49:01,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:49:01,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-21 11:49:01,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:49:01,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-07-21 11:49:01,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:49:01,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:49:01,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:49:01,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-21 11:49:01,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:49:01,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2022-07-21 11:49:01,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:49:01,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 299 [2022-07-21 11:49:01,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:49:01,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2022-07-21 11:49:01,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:49:01,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 309 [2022-07-21 11:49:01,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:49:01,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:49:01,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:49:01,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 319 [2022-07-21 11:49:01,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:49:01,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 331 [2022-07-21 11:49:01,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:49:01,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-21 11:49:01,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:49:01,821 INFO L134 CoverageAnalysis]: Checked inductivity of 790 backedges. 9 proven. 3 refuted. 0 times theorem prover too weak. 778 trivial. 0 not checked. [2022-07-21 11:49:01,821 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 11:49:01,821 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1714490325] [2022-07-21 11:49:01,822 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1714490325] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-21 11:49:01,822 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1468989745] [2022-07-21 11:49:01,822 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 11:49:01,822 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-21 11:49:01,822 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-21 11:49:01,836 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-21 11:49:01,838 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-07-21 11:49:03,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:49:03,186 INFO L263 TraceCheckSpWp]: Trace formula consists of 4005 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-21 11:49:03,201 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 11:49:03,250 INFO L134 CoverageAnalysis]: Checked inductivity of 790 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 778 trivial. 0 not checked. [2022-07-21 11:49:03,250 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 11:49:03,250 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1468989745] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 11:49:03,250 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-21 11:49:03,250 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [9] total 9 [2022-07-21 11:49:03,251 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1464676766] [2022-07-21 11:49:03,251 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 11:49:03,252 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-21 11:49:03,252 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 11:49:03,252 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-21 11:49:03,252 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2022-07-21 11:49:03,253 INFO L87 Difference]: Start difference. First operand 13205 states and 18282 transitions. Second operand has 5 states, 5 states have (on average 20.8) internal successors, (104), 4 states have internal predecessors, (104), 3 states have call successors, (43), 4 states have call predecessors, (43), 2 states have return successors, (36), 3 states have call predecessors, (36), 3 states have call successors, (36) [2022-07-21 11:49:03,843 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 11:49:03,843 INFO L93 Difference]: Finished difference Result 26503 states and 37040 transitions. [2022-07-21 11:49:03,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-21 11:49:03,844 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 20.8) internal successors, (104), 4 states have internal predecessors, (104), 3 states have call successors, (43), 4 states have call predecessors, (43), 2 states have return successors, (36), 3 states have call predecessors, (36), 3 states have call successors, (36) Word has length 360 [2022-07-21 11:49:03,845 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 11:49:03,896 INFO L225 Difference]: With dead ends: 26503 [2022-07-21 11:49:03,897 INFO L226 Difference]: Without dead ends: 13337 [2022-07-21 11:49:03,944 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 486 GetRequests, 478 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2022-07-21 11:49:03,945 INFO L413 NwaCegarLoop]: 5390 mSDtfsCounter, 25 mSDsluCounter, 16142 mSDsCounter, 0 mSdLazyCounter, 87 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 21532 SdHoareTripleChecker+Invalid, 105 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 87 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-21 11:49:03,945 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [28 Valid, 21532 Invalid, 105 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 87 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-21 11:49:03,956 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13337 states. [2022-07-21 11:49:04,514 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13337 to 13329. [2022-07-21 11:49:04,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13329 states, 8562 states have (on average 1.2564821303433777) internal successors, (10758), 8855 states have internal predecessors, (10758), 3841 states have call successors, (3841), 925 states have call predecessors, (3841), 925 states have return successors, (3855), 3722 states have call predecessors, (3855), 3839 states have call successors, (3855) [2022-07-21 11:49:04,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13329 states to 13329 states and 18454 transitions. [2022-07-21 11:49:04,574 INFO L78 Accepts]: Start accepts. Automaton has 13329 states and 18454 transitions. Word has length 360 [2022-07-21 11:49:04,574 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 11:49:04,574 INFO L495 AbstractCegarLoop]: Abstraction has 13329 states and 18454 transitions. [2022-07-21 11:49:04,575 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 20.8) internal successors, (104), 4 states have internal predecessors, (104), 3 states have call successors, (43), 4 states have call predecessors, (43), 2 states have return successors, (36), 3 states have call predecessors, (36), 3 states have call successors, (36) [2022-07-21 11:49:04,575 INFO L276 IsEmpty]: Start isEmpty. Operand 13329 states and 18454 transitions. [2022-07-21 11:49:04,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 389 [2022-07-21 11:49:04,584 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 11:49:04,584 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 8, 8, 8, 8, 8, 8, 8, 8, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:49:04,621 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-07-21 11:49:04,809 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-21 11:49:04,809 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 11:49:04,809 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 11:49:04,809 INFO L85 PathProgramCache]: Analyzing trace with hash 1001312369, now seen corresponding path program 1 times [2022-07-21 11:49:04,810 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 11:49:04,810 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1180936764] [2022-07-21 11:49:04,810 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 11:49:04,810 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 11:49:04,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:49:04,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 11:49:04,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:49:04,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:49:04,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:49:04,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 11:49:04,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:49:04,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-21 11:49:05,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:49:05,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:49:05,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:49:05,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 11:49:05,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:49:05,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-21 11:49:05,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:49:05,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:49:05,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:49:05,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 11:49:05,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:49:05,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-21 11:49:05,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:49:05,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:49:05,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:49:05,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 11:49:05,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:49:05,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-21 11:49:05,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:49:05,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:49:05,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:49:05,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 11:49:05,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:49:05,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-21 11:49:05,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:49:05,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:49:05,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:49:05,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 11:49:05,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:49:05,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-21 11:49:05,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:49:05,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:49:05,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:49:05,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 11:49:05,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:49:05,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-21 11:49:05,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:49:05,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:49:05,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:49:05,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 11:49:05,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:49:05,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-21 11:49:05,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:49:05,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:49:05,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:49:05,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 11:49:05,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:49:05,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-07-21 11:49:05,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:49:05,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:49:05,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:49:05,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-07-21 11:49:05,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:49:05,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:49:05,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:49:05,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-07-21 11:49:05,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:49:05,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:49:05,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:49:05,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-07-21 11:49:05,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:49:05,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:49:05,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:49:05,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2022-07-21 11:49:05,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:49:05,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:49:05,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:49:05,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-07-21 11:49:05,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:49:05,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:49:05,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:49:05,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-07-21 11:49:05,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:49:05,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:49:05,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:49:05,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-07-21 11:49:05,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:49:05,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:49:05,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:49:05,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2022-07-21 11:49:05,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:49:05,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-21 11:49:05,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:49:05,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:49:05,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:49:05,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 11:49:05,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:49:05,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2022-07-21 11:49:05,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:49:05,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:49:05,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:49:05,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 11:49:05,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:49:05,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 326 [2022-07-21 11:49:05,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:49:05,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-21 11:49:05,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:49:05,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:49:05,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:49:05,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 11:49:05,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:49:05,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-21 11:49:05,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:49:05,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:49:05,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:49:05,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 11:49:05,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:49:05,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-21 11:49:05,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:49:05,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-07-21 11:49:05,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:49:05,325 INFO L134 CoverageAnalysis]: Checked inductivity of 1028 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1026 trivial. 0 not checked. [2022-07-21 11:49:05,325 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 11:49:05,325 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1180936764] [2022-07-21 11:49:05,325 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1180936764] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 11:49:05,325 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 11:49:05,326 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-07-21 11:49:05,326 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1476477613] [2022-07-21 11:49:05,326 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 11:49:05,326 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-07-21 11:49:05,326 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 11:49:05,327 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-07-21 11:49:05,327 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2022-07-21 11:49:05,327 INFO L87 Difference]: Start difference. First operand 13329 states and 18454 transitions. Second operand has 10 states, 10 states have (on average 12.9) internal successors, (129), 3 states have internal predecessors, (129), 3 states have call successors, (38), 9 states have call predecessors, (38), 1 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) [2022-07-21 11:49:46,479 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 11:49:48,123 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 11:49:48,123 INFO L93 Difference]: Finished difference Result 43178 states and 63429 transitions. [2022-07-21 11:49:48,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-07-21 11:49:48,124 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 12.9) internal successors, (129), 3 states have internal predecessors, (129), 3 states have call successors, (38), 9 states have call predecessors, (38), 1 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) Word has length 388 [2022-07-21 11:49:48,125 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 11:49:48,282 INFO L225 Difference]: With dead ends: 43178 [2022-07-21 11:49:48,283 INFO L226 Difference]: Without dead ends: 29888 [2022-07-21 11:49:48,335 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 143 GetRequests, 124 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 74 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=130, Invalid=290, Unknown=0, NotChecked=0, Total=420 [2022-07-21 11:49:48,337 INFO L413 NwaCegarLoop]: 7560 mSDtfsCounter, 15806 mSDsluCounter, 9728 mSDsCounter, 0 mSdLazyCounter, 14504 mSolverCounterSat, 18895 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 37.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17131 SdHoareTripleChecker+Valid, 17288 SdHoareTripleChecker+Invalid, 33399 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 18895 IncrementalHoareTripleChecker+Valid, 14504 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 40.6s IncrementalHoareTripleChecker+Time [2022-07-21 11:49:48,337 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [17131 Valid, 17288 Invalid, 33399 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [18895 Valid, 14504 Invalid, 0 Unknown, 0 Unchecked, 40.6s Time] [2022-07-21 11:49:48,365 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29888 states. [2022-07-21 11:49:49,523 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29888 to 19586. [2022-07-21 11:49:49,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19586 states, 12620 states have (on average 1.2533280507131537) internal successors, (15817), 13060 states have internal predecessors, (15817), 5582 states have call successors, (5582), 1383 states have call predecessors, (5582), 1383 states have return successors, (5602), 5404 states have call predecessors, (5602), 5580 states have call successors, (5602) [2022-07-21 11:49:49,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19586 states to 19586 states and 27001 transitions. [2022-07-21 11:49:49,744 INFO L78 Accepts]: Start accepts. Automaton has 19586 states and 27001 transitions. Word has length 388 [2022-07-21 11:49:49,745 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 11:49:49,745 INFO L495 AbstractCegarLoop]: Abstraction has 19586 states and 27001 transitions. [2022-07-21 11:49:49,745 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 12.9) internal successors, (129), 3 states have internal predecessors, (129), 3 states have call successors, (38), 9 states have call predecessors, (38), 1 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) [2022-07-21 11:49:49,745 INFO L276 IsEmpty]: Start isEmpty. Operand 19586 states and 27001 transitions. [2022-07-21 11:49:49,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 414 [2022-07-21 11:49:49,762 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 11:49:49,762 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 8, 8, 8, 8, 8, 8, 8, 8, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:49:49,762 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-07-21 11:49:49,762 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 11:49:49,762 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 11:49:49,763 INFO L85 PathProgramCache]: Analyzing trace with hash 867576812, now seen corresponding path program 1 times [2022-07-21 11:49:49,763 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 11:49:49,763 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1024025894] [2022-07-21 11:49:49,763 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 11:49:49,763 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 11:49:49,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:49:49,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 11:49:49,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:49:49,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:49:49,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:49:49,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 11:49:49,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:49:49,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-21 11:49:49,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:49:49,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:49:49,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:49:49,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 11:49:49,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:49:49,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-21 11:49:49,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:49:49,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:49:49,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:49:49,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 11:49:49,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:49:49,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-21 11:49:49,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:49:49,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:49:49,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:49:49,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 11:49:49,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:49:49,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-21 11:49:49,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:49:50,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:49:50,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:49:50,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 11:49:50,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:49:50,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-21 11:49:50,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:49:50,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:49:50,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:49:50,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 11:49:50,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:49:50,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-21 11:49:50,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:49:50,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:49:50,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:49:50,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 11:49:50,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:49:50,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-21 11:49:50,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:49:50,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:49:50,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:49:50,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 11:49:50,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:49:50,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-21 11:49:50,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:49:50,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:49:50,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:49:50,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 11:49:50,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:49:50,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-07-21 11:49:50,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:49:50,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:49:50,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:49:50,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-07-21 11:49:50,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:49:50,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:49:50,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:49:50,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2022-07-21 11:49:50,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:49:50,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:49:50,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:49:50,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2022-07-21 11:49:50,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:49:50,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:49:50,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:49:50,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2022-07-21 11:49:50,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:49:50,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:49:50,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:49:50,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2022-07-21 11:49:50,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:49:50,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:49:50,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:49:50,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-07-21 11:49:50,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:49:50,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:49:50,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:49:50,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-07-21 11:49:50,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:49:50,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:49:50,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:49:50,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2022-07-21 11:49:50,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:49:50,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-21 11:49:50,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:49:50,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:49:50,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:49:50,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 11:49:50,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:49:50,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2022-07-21 11:49:50,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:49:50,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:49:50,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:49:50,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 11:49:50,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:49:50,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2022-07-21 11:49:50,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:49:50,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:49:50,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:49:50,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:49:50,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:49:50,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 351 [2022-07-21 11:49:50,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:49:50,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-07-21 11:49:50,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:49:50,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:49:50,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:49:50,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 11:49:50,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:49:50,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-21 11:49:50,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:49:50,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 11:49:50,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:49:50,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 11:49:50,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:49:50,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-21 11:49:50,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:49:50,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2022-07-21 11:49:50,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 11:49:50,330 INFO L134 CoverageAnalysis]: Checked inductivity of 1038 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 1032 trivial. 0 not checked. [2022-07-21 11:49:50,331 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 11:49:50,331 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1024025894] [2022-07-21 11:49:50,331 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1024025894] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 11:49:50,331 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 11:49:50,331 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-07-21 11:49:50,331 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1837837148] [2022-07-21 11:49:50,331 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 11:49:50,332 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-07-21 11:49:50,332 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 11:49:50,332 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-07-21 11:49:50,332 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2022-07-21 11:49:50,333 INFO L87 Difference]: Start difference. First operand 19586 states and 27001 transitions. Second operand has 11 states, 11 states have (on average 13.090909090909092) internal successors, (144), 4 states have internal predecessors, (144), 2 states have call successors, (41), 9 states have call predecessors, (41), 1 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) [2022-07-21 11:50:14,579 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.81s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 11:50:18,116 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.29s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 11:50:53,591 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.76s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 11:50:54,664 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 11:50:56,694 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 11:50:58,703 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.71s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 11:50:59,897 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 11:51:01,310 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.41s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 11:51:04,979 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.32s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 11:51:07,922 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []