./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--video--aty--radeonfb.ko-main.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-consumption/32_7a_cilled_linux-3.8-rc1-drivers--video--aty--radeonfb.ko-main.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 9ebc2bf251eebe5c3e705e13aaf0b2b77694b0f92422a04a1e22001ed538514b --- Real Ultimate output --- This is Ultimate 0.2.2-?-3598765 [2022-07-21 10:48:59,288 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-21 10:48:59,290 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-21 10:48:59,310 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-21 10:48:59,311 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-21 10:48:59,311 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-21 10:48:59,312 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-21 10:48:59,314 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-21 10:48:59,315 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-21 10:48:59,316 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-21 10:48:59,317 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-21 10:48:59,317 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-21 10:48:59,318 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-21 10:48:59,318 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-21 10:48:59,319 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-21 10:48:59,320 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-21 10:48:59,320 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-21 10:48:59,321 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-21 10:48:59,322 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-21 10:48:59,323 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-21 10:48:59,324 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-21 10:48:59,325 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-21 10:48:59,336 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-21 10:48:59,336 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-21 10:48:59,337 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-21 10:48:59,339 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-21 10:48:59,339 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-21 10:48:59,339 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-21 10:48:59,340 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-21 10:48:59,340 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-21 10:48:59,341 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-21 10:48:59,341 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-21 10:48:59,341 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-21 10:48:59,342 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-21 10:48:59,342 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-21 10:48:59,343 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-21 10:48:59,343 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-21 10:48:59,343 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-21 10:48:59,344 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-21 10:48:59,344 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-21 10:48:59,344 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-21 10:48:59,345 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-21 10:48:59,345 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-21 10:48:59,359 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-21 10:48:59,360 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-21 10:48:59,360 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-21 10:48:59,360 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-21 10:48:59,360 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-21 10:48:59,361 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-21 10:48:59,361 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-21 10:48:59,361 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-21 10:48:59,361 INFO L138 SettingsManager]: * Use SBE=true [2022-07-21 10:48:59,361 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-21 10:48:59,361 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-21 10:48:59,362 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-21 10:48:59,362 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-21 10:48:59,362 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-21 10:48:59,368 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-21 10:48:59,368 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-21 10:48:59,368 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-21 10:48:59,368 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-21 10:48:59,369 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-21 10:48:59,369 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-21 10:48:59,369 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-21 10:48:59,369 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 10:48:59,369 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-21 10:48:59,369 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-21 10:48:59,370 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-21 10:48:59,370 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-21 10:48:59,370 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-21 10:48:59,370 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-21 10:48:59,370 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-21 10:48:59,370 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-21 10:48:59,371 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9ebc2bf251eebe5c3e705e13aaf0b2b77694b0f92422a04a1e22001ed538514b [2022-07-21 10:48:59,608 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-21 10:48:59,622 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-21 10:48:59,624 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-21 10:48:59,625 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-21 10:48:59,626 INFO L275 PluginConnector]: CDTParser initialized [2022-07-21 10:48:59,627 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--video--aty--radeonfb.ko-main.cil.out.i [2022-07-21 10:48:59,670 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1337f6c0c/9f1df891effa42bf9f23c63908a107d7/FLAGaf0019f31 [2022-07-21 10:49:00,377 INFO L306 CDTParser]: Found 1 translation units. [2022-07-21 10:49:00,377 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--video--aty--radeonfb.ko-main.cil.out.i [2022-07-21 10:49:00,417 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1337f6c0c/9f1df891effa42bf9f23c63908a107d7/FLAGaf0019f31 [2022-07-21 10:49:00,653 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1337f6c0c/9f1df891effa42bf9f23c63908a107d7 [2022-07-21 10:49:00,655 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-21 10:49:00,656 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-21 10:49:00,659 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-21 10:49:00,659 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-21 10:49:00,661 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-21 10:49:00,661 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 10:49:00" (1/1) ... [2022-07-21 10:49:00,662 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@57a1b43f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:49:00, skipping insertion in model container [2022-07-21 10:49:00,662 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 10:49:00" (1/1) ... [2022-07-21 10:49:00,666 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-21 10:49:00,804 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-21 10:49:02,676 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-consumption/32_7a_cilled_linux-3.8-rc1-drivers--video--aty--radeonfb.ko-main.cil.out.i[392555,392568] [2022-07-21 10:49:02,822 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 10:49:02,854 INFO L203 MainTranslator]: Completed pre-run [2022-07-21 10:49:03,254 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-consumption/32_7a_cilled_linux-3.8-rc1-drivers--video--aty--radeonfb.ko-main.cil.out.i[392555,392568] [2022-07-21 10:49:03,262 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 10:49:03,362 INFO L208 MainTranslator]: Completed translation [2022-07-21 10:49:03,362 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:49:03 WrapperNode [2022-07-21 10:49:03,362 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-21 10:49:03,363 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-21 10:49:03,363 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-21 10:49:03,363 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-21 10:49:03,367 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:49:03" (1/1) ... [2022-07-21 10:49:03,537 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:49:03" (1/1) ... [2022-07-21 10:49:03,867 INFO L137 Inliner]: procedures = 348, calls = 6056, calls flagged for inlining = 130, calls inlined = 130, statements flattened = 13098 [2022-07-21 10:49:03,868 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-21 10:49:03,869 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-21 10:49:03,869 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-21 10:49:03,869 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-21 10:49:03,875 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:49:03" (1/1) ... [2022-07-21 10:49:03,875 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:49:03" (1/1) ... [2022-07-21 10:49:03,937 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:49:03" (1/1) ... [2022-07-21 10:49:03,938 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:49:03" (1/1) ... [2022-07-21 10:49:04,205 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:49:03" (1/1) ... [2022-07-21 10:49:04,238 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:49:03" (1/1) ... [2022-07-21 10:49:04,278 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:49:03" (1/1) ... [2022-07-21 10:49:04,332 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-21 10:49:04,334 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-21 10:49:04,334 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-21 10:49:04,334 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-21 10:49:04,334 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:49:03" (1/1) ... [2022-07-21 10:49:04,339 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 10:49:04,346 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-21 10:49:04,355 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 10:49:04,372 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 10:49:04,388 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_var_to_panel_info [2022-07-21 10:49:04,389 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_var_to_panel_info [2022-07-21 10:49:04,389 INFO L130 BoogieDeclarations]: Found specification of procedure fb_set_suspend [2022-07-21 10:49:04,389 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_set_suspend [2022-07-21 10:49:04,389 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_delete_i2c_busses [2022-07-21 10:49:04,389 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_delete_i2c_busses [2022-07-21 10:49:04,389 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-07-21 10:49:04,389 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-07-21 10:49:04,389 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-21 10:49:04,390 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-21 10:49:04,390 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_create_bin_file [2022-07-21 10:49:04,390 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_create_bin_file [2022-07-21 10:49:04,390 INFO L130 BoogieDeclarations]: Found specification of procedure __OUTPLLP [2022-07-21 10:49:04,390 INFO L138 BoogieDeclarations]: Found implementation of procedure __OUTPLLP [2022-07-21 10:49:04,390 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_fixup_offset [2022-07-21 10:49:04,390 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_fixup_offset [2022-07-21 10:49:04,390 INFO L130 BoogieDeclarations]: Found specification of procedure framebuffer_release [2022-07-21 10:49:04,391 INFO L138 BoogieDeclarations]: Found implementation of procedure framebuffer_release [2022-07-21 10:49:04,391 INFO L130 BoogieDeclarations]: Found specification of procedure _OUTREGP [2022-07-21 10:49:04,391 INFO L138 BoogieDeclarations]: Found implementation of procedure _OUTREGP [2022-07-21 10:49:04,391 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-21 10:49:04,391 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-21 10:49:04,391 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_region [2022-07-21 10:49:04,391 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_region [2022-07-21 10:49:04,391 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_crt_is_connected [2022-07-21 10:49:04,391 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_crt_is_connected [2022-07-21 10:49:04,392 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-07-21 10:49:04,392 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-07-21 10:49:04,392 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-07-21 10:49:04,392 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-07-21 10:49:04,392 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_setup_i2c_bus [2022-07-21 10:49:04,392 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_setup_i2c_bus [2022-07-21 10:49:04,392 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_probe_i2c_connector [2022-07-21 10:49:04,392 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_probe_i2c_connector [2022-07-21 10:49:04,392 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_pm_enable_dynamic_mode [2022-07-21 10:49:04,393 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_pm_enable_dynamic_mode [2022-07-21 10:49:04,393 INFO L130 BoogieDeclarations]: Found specification of procedure var_to_depth [2022-07-21 10:49:04,393 INFO L138 BoogieDeclarations]: Found implementation of procedure var_to_depth [2022-07-21 10:49:04,393 INFO L130 BoogieDeclarations]: Found specification of procedure __OUTPLL [2022-07-21 10:49:04,393 INFO L138 BoogieDeclarations]: Found implementation of procedure __OUTPLL [2022-07-21 10:49:04,393 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_videomode_to_var [2022-07-21 10:49:04,394 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_videomode_to_var [2022-07-21 10:49:04,394 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2022-07-21 10:49:04,394 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2022-07-21 10:49:04,394 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2022-07-21 10:49:04,394 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2022-07-21 10:49:04,394 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_pm_yclk_mclk_sync [2022-07-21 10:49:04,394 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_pm_yclk_mclk_sync [2022-07-21 10:49:04,394 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-07-21 10:49:04,395 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-07-21 10:49:04,395 INFO L130 BoogieDeclarations]: Found specification of procedure radeonfb_pm_init [2022-07-21 10:49:04,395 INFO L138 BoogieDeclarations]: Found implementation of procedure radeonfb_pm_init [2022-07-21 10:49:04,395 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_bl_get_brightness [2022-07-21 10:49:04,395 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_bl_get_brightness [2022-07-21 10:49:04,395 INFO L130 BoogieDeclarations]: Found specification of procedure radeonfb_engine_init [2022-07-21 10:49:04,396 INFO L138 BoogieDeclarations]: Found implementation of procedure radeonfb_engine_init [2022-07-21 10:49:04,396 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_update_lock_of_backlight_device [2022-07-21 10:49:04,396 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_update_lock_of_backlight_device [2022-07-21 10:49:04,396 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-21 10:49:04,397 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-21 10:49:04,397 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-07-21 10:49:04,397 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-07-21 10:49:04,397 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap [2022-07-21 10:49:04,397 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap [2022-07-21 10:49:04,397 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_engine_flush [2022-07-21 10:49:04,398 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_engine_flush [2022-07-21 10:49:04,398 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_screen_blank [2022-07-21 10:49:04,398 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_screen_blank [2022-07-21 10:49:04,398 INFO L130 BoogieDeclarations]: Found specification of procedure fb_dealloc_cmap [2022-07-21 10:49:04,398 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_dealloc_cmap [2022-07-21 10:49:04,398 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-21 10:49:04,399 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2022-07-21 10:49:04,399 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2022-07-21 10:49:04,399 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_unmap_ROM [2022-07-21 10:49:04,399 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_unmap_ROM [2022-07-21 10:49:04,399 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2022-07-21 10:49:04,399 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2022-07-21 10:49:04,399 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-21 10:49:04,399 INFO L130 BoogieDeclarations]: Found specification of procedure radeonfb_set_par [2022-07-21 10:49:04,399 INFO L138 BoogieDeclarations]: Found implementation of procedure radeonfb_set_par [2022-07-21 10:49:04,400 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2022-07-21 10:49:04,400 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2022-07-21 10:49:04,400 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_set_suspend [2022-07-21 10:49:04,400 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_set_suspend [2022-07-21 10:49:04,400 INFO L130 BoogieDeclarations]: Found specification of procedure _radeon_fifo_wait [2022-07-21 10:49:04,400 INFO L138 BoogieDeclarations]: Found implementation of procedure _radeon_fifo_wait [2022-07-21 10:49:04,400 INFO L130 BoogieDeclarations]: Found specification of procedure do_gettimeofday [2022-07-21 10:49:04,400 INFO L138 BoogieDeclarations]: Found implementation of procedure do_gettimeofday [2022-07-21 10:49:04,400 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-07-21 10:49:04,401 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-07-21 10:49:04,401 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_pm_save_regs [2022-07-21 10:49:04,401 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_pm_save_regs [2022-07-21 10:49:04,401 INFO L130 BoogieDeclarations]: Found specification of procedure radeonfb_pci_resume [2022-07-21 10:49:04,401 INFO L138 BoogieDeclarations]: Found implementation of procedure radeonfb_pci_resume [2022-07-21 10:49:04,401 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-07-21 10:49:04,402 INFO L130 BoogieDeclarations]: Found specification of procedure pci_save_state [2022-07-21 10:49:04,402 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_save_state [2022-07-21 10:49:04,402 INFO L130 BoogieDeclarations]: Found specification of procedure bl_get_data [2022-07-21 10:49:04,402 INFO L138 BoogieDeclarations]: Found implementation of procedure bl_get_data [2022-07-21 10:49:04,402 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2022-07-21 10:49:04,403 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2022-07-21 10:49:04,403 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-07-21 10:49:04,403 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_pm_enable_dll [2022-07-21 10:49:04,403 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_pm_enable_dll [2022-07-21 10:49:04,403 INFO L130 BoogieDeclarations]: Found specification of procedure fb_destroy_modedb [2022-07-21 10:49:04,403 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_destroy_modedb [2022-07-21 10:49:04,403 INFO L130 BoogieDeclarations]: Found specification of procedure radeonfb_pci_unregister [2022-07-21 10:49:04,403 INFO L138 BoogieDeclarations]: Found implementation of procedure radeonfb_pci_unregister [2022-07-21 10:49:04,403 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-21 10:49:04,404 INFO L130 BoogieDeclarations]: Found specification of procedure __INPLL [2022-07-21 10:49:04,404 INFO L138 BoogieDeclarations]: Found implementation of procedure __INPLL [2022-07-21 10:49:04,404 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_get_dstbpp [2022-07-21 10:49:04,404 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_get_dstbpp [2022-07-21 10:49:04,404 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2022-07-21 10:49:04,404 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2022-07-21 10:49:04,404 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_pm_full_reset_sdram [2022-07-21 10:49:04,404 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_pm_full_reset_sdram [2022-07-21 10:49:04,405 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-21 10:49:04,405 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-21 10:49:04,407 INFO L130 BoogieDeclarations]: Found specification of procedure _radeon_engine_idle [2022-07-21 10:49:04,407 INFO L138 BoogieDeclarations]: Found implementation of procedure _radeon_engine_idle [2022-07-21 10:49:04,407 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_get_mon_name [2022-07-21 10:49:04,407 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_get_mon_name [2022-07-21 10:49:04,408 INFO L130 BoogieDeclarations]: Found specification of procedure radeonfb_sync [2022-07-21 10:49:04,409 INFO L138 BoogieDeclarations]: Found implementation of procedure radeonfb_sync [2022-07-21 10:49:04,409 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_pm_program_mode_reg [2022-07-21 10:49:04,409 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_pm_program_mode_reg [2022-07-21 10:49:04,409 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-21 10:49:04,413 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-21 10:49:04,413 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_show_one_edid [2022-07-21 10:49:04,414 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_show_one_edid [2022-07-21 10:49:04,414 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_write_mode [2022-07-21 10:49:04,414 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_write_mode [2022-07-21 10:49:04,414 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-21 10:49:04,414 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-07-21 10:49:04,414 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-07-21 10:49:04,414 INFO L130 BoogieDeclarations]: Found specification of procedure _radeon_msleep [2022-07-21 10:49:04,414 INFO L138 BoogieDeclarations]: Found implementation of procedure _radeon_msleep [2022-07-21 10:49:04,414 INFO L130 BoogieDeclarations]: Found specification of procedure INMC [2022-07-21 10:49:04,414 INFO L138 BoogieDeclarations]: Found implementation of procedure INMC [2022-07-21 10:49:04,415 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-21 10:49:04,415 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-21 10:49:04,415 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_bl_get_level_brightness [2022-07-21 10:49:04,415 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_bl_get_level_brightness [2022-07-21 10:49:04,415 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_map_ROM [2022-07-21 10:49:04,415 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_map_ROM [2022-07-21 10:49:04,415 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-21 10:49:04,415 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_update_lock_of_backlight_device [2022-07-21 10:49:04,415 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_update_lock_of_backlight_device [2022-07-21 10:49:04,415 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-21 10:49:04,416 INFO L130 BoogieDeclarations]: Found specification of procedure pci_request_region [2022-07-21 10:49:04,416 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_request_region [2022-07-21 10:49:04,416 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-07-21 10:49:04,416 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-07-21 10:49:04,416 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-21 10:49:04,416 INFO L130 BoogieDeclarations]: Found specification of procedure fb_find_mode [2022-07-21 10:49:04,416 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_find_mode [2022-07-21 10:49:04,416 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_setcolreg [2022-07-21 10:49:04,416 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_setcolreg [2022-07-21 10:49:04,416 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_pll_errata_after_data [2022-07-21 10:49:04,416 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_pll_errata_after_data [2022-07-21 10:49:04,417 INFO L130 BoogieDeclarations]: Found specification of procedure console_lock [2022-07-21 10:49:04,417 INFO L138 BoogieDeclarations]: Found implementation of procedure console_lock [2022-07-21 10:49:04,417 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_pm_restore_regs [2022-07-21 10:49:04,417 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_pm_restore_regs [2022-07-21 10:49:04,417 INFO L130 BoogieDeclarations]: Found specification of procedure console_unlock [2022-07-21 10:49:04,417 INFO L138 BoogieDeclarations]: Found implementation of procedure console_unlock [2022-07-21 10:49:04,417 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2022-07-21 10:49:04,417 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2022-07-21 10:49:04,417 INFO L130 BoogieDeclarations]: Found specification of procedure OUTMC [2022-07-21 10:49:04,417 INFO L138 BoogieDeclarations]: Found implementation of procedure OUTMC [2022-07-21 10:49:04,418 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2022-07-21 10:49:04,418 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2022-07-21 10:49:04,418 INFO L130 BoogieDeclarations]: Found specification of procedure round_div [2022-07-21 10:49:04,418 INFO L138 BoogieDeclarations]: Found implementation of procedure round_div [2022-07-21 10:49:04,418 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_pm_disable_dynamic_mode [2022-07-21 10:49:04,418 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_pm_disable_dynamic_mode [2022-07-21 10:49:04,418 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2022-07-21 10:49:04,418 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2022-07-21 10:49:04,418 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_del_adapter [2022-07-21 10:49:04,418 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_del_adapter [2022-07-21 10:49:04,418 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_pll_errata_after_index [2022-07-21 10:49:04,419 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_pll_errata_after_index [2022-07-21 10:49:04,419 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2022-07-21 10:49:04,419 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2022-07-21 10:49:04,419 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_bl_update_status [2022-07-21 10:49:04,419 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_bl_update_status [2022-07-21 10:49:04,419 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-21 10:49:04,419 INFO L130 BoogieDeclarations]: Found specification of procedure writeb [2022-07-21 10:49:04,419 INFO L138 BoogieDeclarations]: Found implementation of procedure writeb [2022-07-21 10:49:04,419 INFO L130 BoogieDeclarations]: Found specification of procedure radeonfb_engine_reset [2022-07-21 10:49:04,419 INFO L138 BoogieDeclarations]: Found implementation of procedure radeonfb_engine_reset [2022-07-21 10:49:04,420 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_remove_bin_file [2022-07-21 10:49:04,420 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_remove_bin_file [2022-07-21 10:49:04,420 INFO L130 BoogieDeclarations]: Found specification of procedure readb [2022-07-21 10:49:04,420 INFO L138 BoogieDeclarations]: Found implementation of procedure readb [2022-07-21 10:49:04,420 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-21 10:49:04,420 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-21 10:49:05,379 INFO L234 CfgBuilder]: Building ICFG [2022-07-21 10:49:05,381 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-21 10:49:26,192 INFO L275 CfgBuilder]: Performing block encoding [2022-07-21 10:49:26,210 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-21 10:49:26,210 INFO L299 CfgBuilder]: Removed 36 assume(true) statements. [2022-07-21 10:49:26,213 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 10:49:26 BoogieIcfgContainer [2022-07-21 10:49:26,213 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-21 10:49:26,215 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-21 10:49:26,215 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-21 10:49:26,216 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-21 10:49:26,217 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.07 10:49:00" (1/3) ... [2022-07-21 10:49:26,217 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56186091 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 10:49:26, skipping insertion in model container [2022-07-21 10:49:26,217 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:49:03" (2/3) ... [2022-07-21 10:49:26,217 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56186091 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 10:49:26, skipping insertion in model container [2022-07-21 10:49:26,218 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 10:49:26" (3/3) ... [2022-07-21 10:49:26,218 INFO L111 eAbstractionObserver]: Analyzing ICFG 32_7a_cilled_linux-3.8-rc1-drivers--video--aty--radeonfb.ko-main.cil.out.i [2022-07-21 10:49:26,227 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-21 10:49:26,227 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-21 10:49:26,308 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-21 10:49:26,315 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@708a4047, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@14a45029 [2022-07-21 10:49:26,315 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-21 10:49:26,328 INFO L276 IsEmpty]: Start isEmpty. Operand has 5143 states, 3686 states have (on average 1.4628323385784048) internal successors, (5392), 3807 states have internal predecessors, (5392), 1400 states have call successors, (1400), 91 states have call predecessors, (1400), 91 states have return successors, (1400), 1386 states have call predecessors, (1400), 1400 states have call successors, (1400) [2022-07-21 10:49:26,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-07-21 10:49:26,336 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 10:49:26,336 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 10:49:26,337 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 10:49:26,341 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 10:49:26,341 INFO L85 PathProgramCache]: Analyzing trace with hash -781481802, now seen corresponding path program 1 times [2022-07-21 10:49:26,346 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 10:49:26,347 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1319676508] [2022-07-21 10:49:26,347 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 10:49:26,347 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 10:49:26,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 10:49:26,866 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-21 10:49:26,866 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 10:49:26,867 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1319676508] [2022-07-21 10:49:26,867 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1319676508] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 10:49:26,867 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 10:49:26,868 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-21 10:49:26,869 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [27471716] [2022-07-21 10:49:26,870 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 10:49:26,874 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 10:49:26,874 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 10:49:26,905 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 10:49:26,906 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 10:49:26,919 INFO L87 Difference]: Start difference. First operand has 5143 states, 3686 states have (on average 1.4628323385784048) internal successors, (5392), 3807 states have internal predecessors, (5392), 1400 states have call successors, (1400), 91 states have call predecessors, (1400), 91 states have return successors, (1400), 1386 states have call predecessors, (1400), 1400 states have call successors, (1400) Second operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 10:49:27,486 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 10:49:27,488 INFO L93 Difference]: Finished difference Result 15183 states and 25058 transitions. [2022-07-21 10:49:27,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 10:49:27,492 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2022-07-21 10:49:27,492 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 10:49:27,792 INFO L225 Difference]: With dead ends: 15183 [2022-07-21 10:49:27,806 INFO L226 Difference]: Without dead ends: 10035 [2022-07-21 10:49:27,849 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 10:49:27,853 INFO L413 NwaCegarLoop]: 8819 mSDtfsCounter, 7382 mSDsluCounter, 7403 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7382 SdHoareTripleChecker+Valid, 16222 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-21 10:49:27,853 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7382 Valid, 16222 Invalid, 16 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-21 10:49:27,875 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10035 states. [2022-07-21 10:49:28,397 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10035 to 10031. [2022-07-21 10:49:28,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10031 states, 7129 states have (on average 1.3119652125122738) internal successors, (9353), 7299 states have internal predecessors, (9353), 2721 states have call successors, (2721), 181 states have call predecessors, (2721), 180 states have return successors, (2714), 2686 states have call predecessors, (2714), 2714 states have call successors, (2714) [2022-07-21 10:49:28,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10031 states to 10031 states and 14788 transitions. [2022-07-21 10:49:28,489 INFO L78 Accepts]: Start accepts. Automaton has 10031 states and 14788 transitions. Word has length 16 [2022-07-21 10:49:28,489 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 10:49:28,489 INFO L495 AbstractCegarLoop]: Abstraction has 10031 states and 14788 transitions. [2022-07-21 10:49:28,490 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 10:49:28,490 INFO L276 IsEmpty]: Start isEmpty. Operand 10031 states and 14788 transitions. [2022-07-21 10:49:28,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-07-21 10:49:28,496 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 10:49:28,496 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 10:49:28,496 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-21 10:49:28,497 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 10:49:28,497 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 10:49:28,497 INFO L85 PathProgramCache]: Analyzing trace with hash -1083818242, now seen corresponding path program 1 times [2022-07-21 10:49:28,497 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 10:49:28,497 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [652721565] [2022-07-21 10:49:28,497 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 10:49:28,498 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 10:49:28,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 10:49:28,688 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-21 10:49:28,689 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 10:49:28,689 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [652721565] [2022-07-21 10:49:28,689 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [652721565] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 10:49:28,689 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 10:49:28,689 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-21 10:49:28,690 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2100529715] [2022-07-21 10:49:28,690 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 10:49:28,691 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 10:49:28,691 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 10:49:28,691 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 10:49:28,694 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 10:49:28,694 INFO L87 Difference]: Start difference. First operand 10031 states and 14788 transitions. Second operand has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 10:49:28,895 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 10:49:28,896 INFO L93 Difference]: Finished difference Result 10057 states and 14820 transitions. [2022-07-21 10:49:28,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 10:49:28,896 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2022-07-21 10:49:28,896 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 10:49:28,949 INFO L225 Difference]: With dead ends: 10057 [2022-07-21 10:49:28,949 INFO L226 Difference]: Without dead ends: 10044 [2022-07-21 10:49:28,957 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 10:49:28,959 INFO L413 NwaCegarLoop]: 7424 mSDtfsCounter, 7404 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7404 SdHoareTripleChecker+Valid, 7440 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-21 10:49:28,959 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7404 Valid, 7440 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-21 10:49:28,969 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10044 states. [2022-07-21 10:49:29,525 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10044 to 10031. [2022-07-21 10:49:29,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10031 states, 7129 states have (on average 1.3118249403843456) internal successors, (9352), 7299 states have internal predecessors, (9352), 2721 states have call successors, (2721), 181 states have call predecessors, (2721), 180 states have return successors, (2714), 2686 states have call predecessors, (2714), 2714 states have call successors, (2714) [2022-07-21 10:49:29,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10031 states to 10031 states and 14787 transitions. [2022-07-21 10:49:29,579 INFO L78 Accepts]: Start accepts. Automaton has 10031 states and 14787 transitions. Word has length 19 [2022-07-21 10:49:29,579 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 10:49:29,580 INFO L495 AbstractCegarLoop]: Abstraction has 10031 states and 14787 transitions. [2022-07-21 10:49:29,580 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 10:49:29,580 INFO L276 IsEmpty]: Start isEmpty. Operand 10031 states and 14787 transitions. [2022-07-21 10:49:29,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-07-21 10:49:29,582 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 10:49:29,582 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 10:49:29,582 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-21 10:49:29,583 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 10:49:29,588 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 10:49:29,588 INFO L85 PathProgramCache]: Analyzing trace with hash -1026559940, now seen corresponding path program 1 times [2022-07-21 10:49:29,588 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 10:49:29,589 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2051151286] [2022-07-21 10:49:29,589 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 10:49:29,589 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 10:49:29,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 10:49:29,781 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-21 10:49:29,781 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 10:49:29,781 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2051151286] [2022-07-21 10:49:29,782 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2051151286] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 10:49:29,782 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 10:49:29,782 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-21 10:49:29,782 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2047036659] [2022-07-21 10:49:29,782 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 10:49:29,783 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 10:49:29,783 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 10:49:29,784 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 10:49:29,784 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 10:49:29,784 INFO L87 Difference]: Start difference. First operand 10031 states and 14787 transitions. Second operand has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 10:49:29,990 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 10:49:29,990 INFO L93 Difference]: Finished difference Result 10033 states and 14788 transitions. [2022-07-21 10:49:29,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 10:49:29,990 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2022-07-21 10:49:29,991 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 10:49:30,051 INFO L225 Difference]: With dead ends: 10033 [2022-07-21 10:49:30,051 INFO L226 Difference]: Without dead ends: 10030 [2022-07-21 10:49:30,062 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 10:49:30,065 INFO L413 NwaCegarLoop]: 7406 mSDtfsCounter, 7391 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7391 SdHoareTripleChecker+Valid, 7406 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-21 10:49:30,066 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7391 Valid, 7406 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-21 10:49:30,075 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10030 states. [2022-07-21 10:49:30,457 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10030 to 10030. [2022-07-21 10:49:30,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10030 states, 7129 states have (on average 1.3116846682564174) internal successors, (9351), 7298 states have internal predecessors, (9351), 2720 states have call successors, (2720), 181 states have call predecessors, (2720), 180 states have return successors, (2714), 2686 states have call predecessors, (2714), 2714 states have call successors, (2714) [2022-07-21 10:49:30,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10030 states to 10030 states and 14785 transitions. [2022-07-21 10:49:30,503 INFO L78 Accepts]: Start accepts. Automaton has 10030 states and 14785 transitions. Word has length 19 [2022-07-21 10:49:30,504 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 10:49:30,504 INFO L495 AbstractCegarLoop]: Abstraction has 10030 states and 14785 transitions. [2022-07-21 10:49:30,504 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 10:49:30,504 INFO L276 IsEmpty]: Start isEmpty. Operand 10030 states and 14785 transitions. [2022-07-21 10:49:30,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-07-21 10:49:30,505 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 10:49:30,506 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 10:49:30,506 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-21 10:49:30,506 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 10:49:30,506 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 10:49:30,506 INFO L85 PathProgramCache]: Analyzing trace with hash -1760930420, now seen corresponding path program 1 times [2022-07-21 10:49:30,507 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 10:49:30,507 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [823411102] [2022-07-21 10:49:30,507 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 10:49:30,507 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 10:49:30,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 10:49:30,670 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-21 10:49:30,671 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 10:49:30,671 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [823411102] [2022-07-21 10:49:30,671 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [823411102] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 10:49:30,671 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 10:49:30,671 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-21 10:49:30,672 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1572104720] [2022-07-21 10:49:30,672 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 10:49:30,672 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 10:49:30,672 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 10:49:30,672 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 10:49:30,673 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 10:49:30,673 INFO L87 Difference]: Start difference. First operand 10030 states and 14785 transitions. Second operand has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 10:49:30,862 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 10:49:30,863 INFO L93 Difference]: Finished difference Result 10032 states and 14786 transitions. [2022-07-21 10:49:30,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 10:49:30,863 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 20 [2022-07-21 10:49:30,864 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 10:49:30,903 INFO L225 Difference]: With dead ends: 10032 [2022-07-21 10:49:30,903 INFO L226 Difference]: Without dead ends: 10029 [2022-07-21 10:49:30,911 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 10:49:30,911 INFO L413 NwaCegarLoop]: 7404 mSDtfsCounter, 7388 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7388 SdHoareTripleChecker+Valid, 7404 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-21 10:49:30,912 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7388 Valid, 7404 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-21 10:49:30,920 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10029 states. [2022-07-21 10:49:31,253 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10029 to 10029. [2022-07-21 10:49:31,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10029 states, 7129 states have (on average 1.3115443961284892) internal successors, (9350), 7297 states have internal predecessors, (9350), 2719 states have call successors, (2719), 181 states have call predecessors, (2719), 180 states have return successors, (2714), 2686 states have call predecessors, (2714), 2714 states have call successors, (2714) [2022-07-21 10:49:31,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10029 states to 10029 states and 14783 transitions. [2022-07-21 10:49:31,297 INFO L78 Accepts]: Start accepts. Automaton has 10029 states and 14783 transitions. Word has length 20 [2022-07-21 10:49:31,297 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 10:49:31,297 INFO L495 AbstractCegarLoop]: Abstraction has 10029 states and 14783 transitions. [2022-07-21 10:49:31,298 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 10:49:31,298 INFO L276 IsEmpty]: Start isEmpty. Operand 10029 states and 14783 transitions. [2022-07-21 10:49:31,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-07-21 10:49:31,298 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 10:49:31,299 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 10:49:31,299 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-07-21 10:49:31,299 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 10:49:31,299 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 10:49:31,299 INFO L85 PathProgramCache]: Analyzing trace with hash 1243393343, now seen corresponding path program 1 times [2022-07-21 10:49:31,300 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 10:49:31,300 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [757307530] [2022-07-21 10:49:31,300 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 10:49:31,300 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 10:49:31,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 10:49:31,436 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-21 10:49:31,437 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 10:49:31,437 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [757307530] [2022-07-21 10:49:31,438 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [757307530] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 10:49:31,438 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 10:49:31,438 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-21 10:49:31,438 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [977926188] [2022-07-21 10:49:31,438 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 10:49:31,439 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 10:49:31,439 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 10:49:31,439 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 10:49:31,439 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 10:49:31,440 INFO L87 Difference]: Start difference. First operand 10029 states and 14783 transitions. Second operand has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 10:49:31,624 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 10:49:31,624 INFO L93 Difference]: Finished difference Result 10031 states and 14784 transitions. [2022-07-21 10:49:31,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 10:49:31,624 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 21 [2022-07-21 10:49:31,625 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 10:49:31,704 INFO L225 Difference]: With dead ends: 10031 [2022-07-21 10:49:31,704 INFO L226 Difference]: Without dead ends: 10028 [2022-07-21 10:49:31,707 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 10:49:31,708 INFO L413 NwaCegarLoop]: 7402 mSDtfsCounter, 7385 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7385 SdHoareTripleChecker+Valid, 7402 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-21 10:49:31,709 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7385 Valid, 7402 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-21 10:49:31,717 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10028 states. [2022-07-21 10:49:32,020 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10028 to 10028. [2022-07-21 10:49:32,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10028 states, 7129 states have (on average 1.3114041240005612) internal successors, (9349), 7296 states have internal predecessors, (9349), 2718 states have call successors, (2718), 181 states have call predecessors, (2718), 180 states have return successors, (2714), 2686 states have call predecessors, (2714), 2714 states have call successors, (2714) [2022-07-21 10:49:32,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10028 states to 10028 states and 14781 transitions. [2022-07-21 10:49:32,063 INFO L78 Accepts]: Start accepts. Automaton has 10028 states and 14781 transitions. Word has length 21 [2022-07-21 10:49:32,063 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 10:49:32,063 INFO L495 AbstractCegarLoop]: Abstraction has 10028 states and 14781 transitions. [2022-07-21 10:49:32,063 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 10:49:32,063 INFO L276 IsEmpty]: Start isEmpty. Operand 10028 states and 14781 transitions. [2022-07-21 10:49:32,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-07-21 10:49:32,064 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 10:49:32,064 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 10:49:32,065 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-07-21 10:49:32,065 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 10:49:32,065 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 10:49:32,065 INFO L85 PathProgramCache]: Analyzing trace with hash -111845649, now seen corresponding path program 1 times [2022-07-21 10:49:32,065 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 10:49:32,065 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1079265748] [2022-07-21 10:49:32,066 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 10:49:32,066 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 10:49:32,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 10:49:32,200 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-21 10:49:32,200 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 10:49:32,200 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1079265748] [2022-07-21 10:49:32,200 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1079265748] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 10:49:32,201 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 10:49:32,201 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-21 10:49:32,201 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [676383162] [2022-07-21 10:49:32,201 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 10:49:32,201 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 10:49:32,201 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 10:49:32,202 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 10:49:32,202 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 10:49:32,202 INFO L87 Difference]: Start difference. First operand 10028 states and 14781 transitions. Second operand has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 10:49:32,382 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 10:49:32,382 INFO L93 Difference]: Finished difference Result 10030 states and 14782 transitions. [2022-07-21 10:49:32,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 10:49:32,383 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 22 [2022-07-21 10:49:32,383 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 10:49:32,416 INFO L225 Difference]: With dead ends: 10030 [2022-07-21 10:49:32,416 INFO L226 Difference]: Without dead ends: 10027 [2022-07-21 10:49:32,422 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 10:49:32,424 INFO L413 NwaCegarLoop]: 7400 mSDtfsCounter, 7382 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7382 SdHoareTripleChecker+Valid, 7400 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-21 10:49:32,425 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7382 Valid, 7400 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-21 10:49:32,433 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10027 states. [2022-07-21 10:49:32,842 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10027 to 10027. [2022-07-21 10:49:32,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10027 states, 7129 states have (on average 1.311263851872633) internal successors, (9348), 7295 states have internal predecessors, (9348), 2717 states have call successors, (2717), 181 states have call predecessors, (2717), 180 states have return successors, (2714), 2686 states have call predecessors, (2714), 2714 states have call successors, (2714) [2022-07-21 10:49:32,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10027 states to 10027 states and 14779 transitions. [2022-07-21 10:49:32,889 INFO L78 Accepts]: Start accepts. Automaton has 10027 states and 14779 transitions. Word has length 22 [2022-07-21 10:49:32,890 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 10:49:32,890 INFO L495 AbstractCegarLoop]: Abstraction has 10027 states and 14779 transitions. [2022-07-21 10:49:32,890 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 10:49:32,890 INFO L276 IsEmpty]: Start isEmpty. Operand 10027 states and 14779 transitions. [2022-07-21 10:49:32,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-07-21 10:49:32,891 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 10:49:32,891 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 10:49:32,892 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-07-21 10:49:32,892 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 10:49:32,892 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 10:49:32,892 INFO L85 PathProgramCache]: Analyzing trace with hash 825423426, now seen corresponding path program 1 times [2022-07-21 10:49:32,892 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 10:49:32,893 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [244144584] [2022-07-21 10:49:32,893 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 10:49:32,893 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 10:49:32,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 10:49:33,034 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-21 10:49:33,034 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 10:49:33,034 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [244144584] [2022-07-21 10:49:33,034 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [244144584] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 10:49:33,034 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 10:49:33,035 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-21 10:49:33,035 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1371928168] [2022-07-21 10:49:33,035 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 10:49:33,035 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 10:49:33,035 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 10:49:33,036 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 10:49:33,036 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 10:49:33,036 INFO L87 Difference]: Start difference. First operand 10027 states and 14779 transitions. Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 10:49:33,339 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 10:49:33,339 INFO L93 Difference]: Finished difference Result 16253 states and 23832 transitions. [2022-07-21 10:49:33,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 10:49:33,340 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 23 [2022-07-21 10:49:33,340 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 10:49:33,413 INFO L225 Difference]: With dead ends: 16253 [2022-07-21 10:49:33,414 INFO L226 Difference]: Without dead ends: 16241 [2022-07-21 10:49:33,428 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 10:49:33,429 INFO L413 NwaCegarLoop]: 8332 mSDtfsCounter, 7320 mSDsluCounter, 4579 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7320 SdHoareTripleChecker+Valid, 12911 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-21 10:49:33,429 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7320 Valid, 12911 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-21 10:49:33,444 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16241 states. [2022-07-21 10:49:34,570 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16241 to 16241. [2022-07-21 10:49:34,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16241 states, 11341 states have (on average 1.29124415836346) internal successors, (14644), 11631 states have internal predecessors, (14644), 4587 states have call successors, (4587), 313 states have call predecessors, (4587), 312 states have return successors, (4586), 4532 states have call predecessors, (4586), 4586 states have call successors, (4586) [2022-07-21 10:49:34,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16241 states to 16241 states and 23817 transitions. [2022-07-21 10:49:34,645 INFO L78 Accepts]: Start accepts. Automaton has 16241 states and 23817 transitions. Word has length 23 [2022-07-21 10:49:34,647 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 10:49:34,647 INFO L495 AbstractCegarLoop]: Abstraction has 16241 states and 23817 transitions. [2022-07-21 10:49:34,647 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-21 10:49:34,647 INFO L276 IsEmpty]: Start isEmpty. Operand 16241 states and 23817 transitions. [2022-07-21 10:49:34,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 816 [2022-07-21 10:49:34,705 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 10:49:34,706 INFO L195 NwaCegarLoop]: trace histogram [45, 45, 8, 8, 7, 7, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:49:34,707 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-07-21 10:49:34,707 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 10:49:34,707 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 10:49:34,708 INFO L85 PathProgramCache]: Analyzing trace with hash -1985306989, now seen corresponding path program 1 times [2022-07-21 10:49:34,708 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 10:49:34,708 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2144892649] [2022-07-21 10:49:34,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 10:49:34,708 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 10:49:34,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 10:49:35,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-21 10:49:35,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 10:49:35,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-07-21 10:49:35,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 10:49:35,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-07-21 10:49:35,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 10:49:35,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-07-21 10:49:35,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 10:49:35,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-07-21 10:49:35,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 10:49:35,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-07-21 10:49:35,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 10:49:35,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 10:49:35,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 10:49:35,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-07-21 10:49:35,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 10:49:35,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-07-21 10:49:35,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 10:49:35,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2022-07-21 10:49:35,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 10:49:35,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2022-07-21 10:49:35,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 10:49:35,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-07-21 10:49:35,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 10:49:35,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 10:49:35,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 10:49:35,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-07-21 10:49:35,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 10:49:35,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2022-07-21 10:49:35,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 10:49:35,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 10:49:35,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 10:49:35,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 10:49:35,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 10:49:35,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-21 10:49:35,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 10:49:35,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-21 10:49:35,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 10:49:35,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2022-07-21 10:49:35,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 10:49:35,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2022-07-21 10:49:35,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 10:49:35,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-07-21 10:49:35,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 10:49:35,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2022-07-21 10:49:35,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 10:49:35,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2022-07-21 10:49:35,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 10:49:35,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 10:49:35,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 10:49:35,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-21 10:49:35,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 10:49:35,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-07-21 10:49:35,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 10:49:35,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-21 10:49:35,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 10:49:35,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-21 10:49:35,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 10:49:35,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-21 10:49:35,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 10:49:35,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-07-21 10:49:35,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 10:49:35,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-07-21 10:49:35,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 10:49:35,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2022-07-21 10:49:35,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 10:49:35,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 10:49:35,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 10:49:35,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-21 10:49:35,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 10:49:35,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-07-21 10:49:35,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 10:49:35,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-21 10:49:35,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 10:49:35,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-21 10:49:35,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 10:49:35,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-21 10:49:35,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 10:49:35,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-07-21 10:49:35,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 10:49:35,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-07-21 10:49:35,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 10:49:35,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2022-07-21 10:49:35,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 10:49:35,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 10:49:35,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 10:49:35,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-21 10:49:35,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 10:49:35,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-07-21 10:49:35,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 10:49:35,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-21 10:49:35,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 10:49:35,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-21 10:49:35,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 10:49:35,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-21 10:49:35,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 10:49:35,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-07-21 10:49:35,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 10:49:35,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-07-21 10:49:35,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 10:49:35,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 406 [2022-07-21 10:49:35,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 10:49:35,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 10:49:35,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 10:49:35,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-21 10:49:35,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 10:49:35,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-07-21 10:49:35,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 10:49:35,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-21 10:49:35,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 10:49:35,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-21 10:49:35,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 10:49:35,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-21 10:49:35,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 10:49:35,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-07-21 10:49:35,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 10:49:35,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-07-21 10:49:35,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 10:49:35,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 474 [2022-07-21 10:49:35,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 10:49:35,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 485 [2022-07-21 10:49:35,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 10:49:35,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 525 [2022-07-21 10:49:35,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 10:49:35,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 530 [2022-07-21 10:49:35,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 10:49:35,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 535 [2022-07-21 10:49:35,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 10:49:35,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 540 [2022-07-21 10:49:35,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 10:49:35,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 545 [2022-07-21 10:49:35,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 10:49:35,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 550 [2022-07-21 10:49:35,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 10:49:35,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 555 [2022-07-21 10:49:35,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 10:49:35,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 560 [2022-07-21 10:49:35,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 10:49:35,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 565 [2022-07-21 10:49:35,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 10:49:35,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 570 [2022-07-21 10:49:35,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 10:49:35,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 575 [2022-07-21 10:49:35,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 10:49:35,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 580 [2022-07-21 10:49:35,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 10:49:35,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 585 [2022-07-21 10:49:35,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 10:49:35,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 590 [2022-07-21 10:49:35,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 10:49:35,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 595 [2022-07-21 10:49:35,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 10:49:35,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 600 [2022-07-21 10:49:35,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 10:49:35,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 605 [2022-07-21 10:49:35,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 10:49:35,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 610 [2022-07-21 10:49:35,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 10:49:35,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 615 [2022-07-21 10:49:35,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 10:49:35,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 620 [2022-07-21 10:49:35,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 10:49:35,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 625 [2022-07-21 10:49:35,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 10:49:35,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 630 [2022-07-21 10:49:35,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 10:49:35,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 10:49:35,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 10:49:35,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 10:49:35,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 10:49:35,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-21 10:49:35,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 10:49:35,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-21 10:49:35,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 10:49:35,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 659 [2022-07-21 10:49:35,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 10:49:35,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 664 [2022-07-21 10:49:36,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 10:49:36,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 669 [2022-07-21 10:49:36,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 10:49:36,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 10:49:36,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 10:49:36,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 10:49:36,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 10:49:36,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-21 10:49:36,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 10:49:36,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-21 10:49:36,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 10:49:36,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 698 [2022-07-21 10:49:36,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 10:49:36,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 10:49:36,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 10:49:36,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 10:49:36,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 10:49:36,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-21 10:49:36,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 10:49:36,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-21 10:49:36,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 10:49:36,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 729 [2022-07-21 10:49:36,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 10:49:36,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 737 [2022-07-21 10:49:36,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 10:49:36,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 749 [2022-07-21 10:49:36,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 10:49:36,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 760 [2022-07-21 10:49:36,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 10:49:36,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 10:49:36,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 10:49:36,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 775 [2022-07-21 10:49:36,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 10:49:36,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 782 [2022-07-21 10:49:36,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 10:49:36,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 796 [2022-07-21 10:49:36,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 10:49:36,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 802 [2022-07-21 10:49:36,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 10:49:36,386 INFO L134 CoverageAnalysis]: Checked inductivity of 3563 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3563 trivial. 0 not checked. [2022-07-21 10:49:36,387 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 10:49:36,387 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2144892649] [2022-07-21 10:49:36,387 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2144892649] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 10:49:36,387 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 10:49:36,387 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-07-21 10:49:36,388 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [241684892] [2022-07-21 10:49:36,388 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 10:49:36,390 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-21 10:49:36,390 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 10:49:36,390 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-21 10:49:36,391 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-07-21 10:49:36,391 INFO L87 Difference]: Start difference. First operand 16241 states and 23817 transitions. Second operand has 9 states, 9 states have (on average 36.888888888888886) internal successors, (332), 3 states have internal predecessors, (332), 2 states have call successors, (73), 8 states have call predecessors, (73), 1 states have return successors, (71), 2 states have call predecessors, (71), 2 states have call successors, (71) [2022-07-21 10:49:40,953 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 10:49:46,622 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 10:49:50,767 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-07-21 10:49:56,158 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-07-21 10:49:58,284 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-07-21 10:50:01,863 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-07-21 10:50:03,984 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-07-21 10:50:06,103 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-07-21 10:50:08,200 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-07-21 10:50:15,439 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 10:50:26,491 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.51s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 10:50:28,545 WARN L534 Checker$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 10:50:31,317 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 10:50:33,363 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 10:51:04,006 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.87s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 10:51:08,570 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 10:51:10,630 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 10:51:12,662 WARN L534 Checker$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 10:51:14,698 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 10:51:17,925 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.89s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-07-21 10:51:19,962 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-07-21 10:51:23,992 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-07-21 10:52:13,084 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 10:52:13,084 INFO L93 Difference]: Finished difference Result 50919 states and 78478 transitions. [2022-07-21 10:52:13,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-07-21 10:52:13,086 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 36.888888888888886) internal successors, (332), 3 states have internal predecessors, (332), 2 states have call successors, (73), 8 states have call predecessors, (73), 1 states have return successors, (71), 2 states have call predecessors, (71), 2 states have call successors, (71) Word has length 815 [2022-07-21 10:52:13,086 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 10:52:13,318 INFO L225 Difference]: With dead ends: 50919 [2022-07-21 10:52:13,319 INFO L226 Difference]: Without dead ends: 34681 [2022-07-21 10:52:13,403 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 247 GetRequests, 223 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 156 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=177, Invalid=473, Unknown=0, NotChecked=0, Total=650 [2022-07-21 10:52:13,404 INFO L413 NwaCegarLoop]: 8011 mSDtfsCounter, 15103 mSDsluCounter, 10439 mSDsCounter, 0 mSdLazyCounter, 37604 mSolverCounterSat, 14206 mSolverCounterUnsat, 17 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 143.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15344 SdHoareTripleChecker+Valid, 18450 SdHoareTripleChecker+Invalid, 51827 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.3s SdHoareTripleChecker+Time, 14206 IncrementalHoareTripleChecker+Valid, 37604 IncrementalHoareTripleChecker+Invalid, 17 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 152.5s IncrementalHoareTripleChecker+Time [2022-07-21 10:52:13,404 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [15344 Valid, 18450 Invalid, 51827 Unknown, 0 Unchecked, 0.3s Time], IncrementalHoareTripleChecker [14206 Valid, 37604 Invalid, 17 Unknown, 0 Unchecked, 152.5s Time] [2022-07-21 10:52:13,441 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34681 states. [2022-07-21 10:52:16,102 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34681 to 19073. [2022-07-21 10:52:16,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19073 states, 13511 states have (on average 1.307157131226408) internal successors, (17661), 13833 states have internal predecessors, (17661), 5161 states have call successors, (5161), 401 states have call predecessors, (5161), 400 states have return successors, (5160), 5100 states have call predecessors, (5160), 5160 states have call successors, (5160) [2022-07-21 10:52:16,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19073 states to 19073 states and 27982 transitions. [2022-07-21 10:52:16,201 INFO L78 Accepts]: Start accepts. Automaton has 19073 states and 27982 transitions. Word has length 815 [2022-07-21 10:52:16,201 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 10:52:16,201 INFO L495 AbstractCegarLoop]: Abstraction has 19073 states and 27982 transitions. [2022-07-21 10:52:16,201 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 36.888888888888886) internal successors, (332), 3 states have internal predecessors, (332), 2 states have call successors, (73), 8 states have call predecessors, (73), 1 states have return successors, (71), 2 states have call predecessors, (71), 2 states have call successors, (71) [2022-07-21 10:52:16,202 INFO L276 IsEmpty]: Start isEmpty. Operand 19073 states and 27982 transitions. [2022-07-21 10:52:16,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 828 [2022-07-21 10:52:16,270 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 10:52:16,272 INFO L195 NwaCegarLoop]: trace histogram [45, 45, 8, 8, 7, 7, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:52:16,272 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-07-21 10:52:16,272 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 10:52:16,273 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 10:52:16,273 INFO L85 PathProgramCache]: Analyzing trace with hash 1394582415, now seen corresponding path program 1 times [2022-07-21 10:52:16,273 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 10:52:16,273 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [587979155] [2022-07-21 10:52:16,273 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 10:52:16,274 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 10:52:16,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 10:52:16,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-07-21 10:52:16,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 10:52:16,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-21 10:52:16,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 10:52:16,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-07-21 10:52:16,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 10:52:16,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-07-21 10:52:16,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 10:52:16,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2022-07-21 10:52:16,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 10:52:16,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-07-21 10:52:16,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 10:52:16,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 10:52:16,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 10:52:16,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-07-21 10:52:16,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 10:52:16,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2022-07-21 10:52:16,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 10:52:16,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2022-07-21 10:52:16,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 10:52:16,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-07-21 10:52:16,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 10:52:16,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2022-07-21 10:52:16,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 10:52:16,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 10:52:16,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 10:52:16,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2022-07-21 10:52:16,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 10:52:16,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2022-07-21 10:52:16,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 10:52:16,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 10:52:16,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 10:52:16,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 10:52:16,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 10:52:16,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-21 10:52:16,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 10:52:16,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-21 10:52:16,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 10:52:16,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2022-07-21 10:52:16,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 10:52:16,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2022-07-21 10:52:16,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 10:52:16,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2022-07-21 10:52:16,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 10:52:16,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2022-07-21 10:52:16,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 10:52:16,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2022-07-21 10:52:16,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 10:52:16,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 10:52:16,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 10:52:16,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-21 10:52:16,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 10:52:16,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-07-21 10:52:16,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 10:52:16,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-21 10:52:16,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 10:52:16,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-21 10:52:16,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 10:52:16,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-21 10:52:16,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 10:52:16,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-07-21 10:52:16,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 10:52:16,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-07-21 10:52:16,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 10:52:16,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2022-07-21 10:52:16,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 10:52:16,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 10:52:16,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 10:52:16,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-21 10:52:16,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 10:52:16,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-07-21 10:52:16,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 10:52:16,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-21 10:52:16,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 10:52:16,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-21 10:52:16,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 10:52:16,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-21 10:52:16,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 10:52:16,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-07-21 10:52:16,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 10:52:16,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-07-21 10:52:16,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 10:52:16,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 361 [2022-07-21 10:52:16,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 10:52:17,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 10:52:17,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 10:52:17,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-21 10:52:17,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 10:52:17,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-07-21 10:52:17,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 10:52:17,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-21 10:52:17,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 10:52:17,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-21 10:52:17,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 10:52:17,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-21 10:52:17,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 10:52:17,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-07-21 10:52:17,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 10:52:17,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-07-21 10:52:17,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 10:52:17,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 418 [2022-07-21 10:52:17,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 10:52:17,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 10:52:17,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 10:52:17,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-21 10:52:17,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 10:52:17,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-07-21 10:52:17,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 10:52:17,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-21 10:52:17,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 10:52:17,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-21 10:52:17,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 10:52:17,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-21 10:52:17,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 10:52:17,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-07-21 10:52:17,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 10:52:17,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-07-21 10:52:17,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 10:52:17,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 486 [2022-07-21 10:52:17,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 10:52:17,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 497 [2022-07-21 10:52:17,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 10:52:17,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 537 [2022-07-21 10:52:17,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 10:52:17,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 542 [2022-07-21 10:52:17,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 10:52:17,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 547 [2022-07-21 10:52:17,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 10:52:17,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 552 [2022-07-21 10:52:17,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 10:52:17,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 557 [2022-07-21 10:52:17,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 10:52:17,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 562 [2022-07-21 10:52:17,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 10:52:17,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 567 [2022-07-21 10:52:17,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 10:52:17,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 572 [2022-07-21 10:52:17,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 10:52:17,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 577 [2022-07-21 10:52:17,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 10:52:17,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 582 [2022-07-21 10:52:17,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 10:52:17,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 587 [2022-07-21 10:52:17,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 10:52:17,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 592 [2022-07-21 10:52:17,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 10:52:17,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 597 [2022-07-21 10:52:17,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 10:52:17,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 602 [2022-07-21 10:52:17,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 10:52:17,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 607 [2022-07-21 10:52:17,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 10:52:17,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 612 [2022-07-21 10:52:17,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 10:52:17,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 617 [2022-07-21 10:52:17,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 10:52:17,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 622 [2022-07-21 10:52:17,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 10:52:17,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 627 [2022-07-21 10:52:17,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 10:52:17,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 632 [2022-07-21 10:52:17,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 10:52:17,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 637 [2022-07-21 10:52:17,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 10:52:17,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 642 [2022-07-21 10:52:17,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 10:52:17,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 10:52:17,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 10:52:17,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 10:52:17,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 10:52:17,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-21 10:52:17,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 10:52:17,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-21 10:52:17,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 10:52:17,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 671 [2022-07-21 10:52:17,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 10:52:17,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 676 [2022-07-21 10:52:17,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 10:52:17,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 681 [2022-07-21 10:52:17,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 10:52:17,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 10:52:17,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 10:52:17,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 10:52:17,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 10:52:17,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-21 10:52:17,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 10:52:17,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-21 10:52:17,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 10:52:17,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 710 [2022-07-21 10:52:17,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 10:52:17,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 10:52:17,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 10:52:17,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 10:52:17,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 10:52:17,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-21 10:52:17,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 10:52:17,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-21 10:52:17,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 10:52:17,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 741 [2022-07-21 10:52:17,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 10:52:17,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 749 [2022-07-21 10:52:17,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 10:52:17,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 761 [2022-07-21 10:52:17,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 10:52:17,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 772 [2022-07-21 10:52:17,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 10:52:17,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 10:52:17,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 10:52:17,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 787 [2022-07-21 10:52:17,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 10:52:17,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 794 [2022-07-21 10:52:17,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 10:52:17,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 808 [2022-07-21 10:52:17,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 10:52:17,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 814 [2022-07-21 10:52:17,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 10:52:17,726 INFO L134 CoverageAnalysis]: Checked inductivity of 3567 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3567 trivial. 0 not checked. [2022-07-21 10:52:17,726 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 10:52:17,727 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [587979155] [2022-07-21 10:52:17,727 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [587979155] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 10:52:17,727 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 10:52:17,727 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-07-21 10:52:17,727 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [139140260] [2022-07-21 10:52:17,727 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 10:52:17,728 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-21 10:52:17,728 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 10:52:17,729 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-21 10:52:17,729 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-07-21 10:52:17,729 INFO L87 Difference]: Start difference. First operand 19073 states and 27982 transitions. Second operand has 9 states, 9 states have (on average 37.888888888888886) internal successors, (341), 3 states have internal predecessors, (341), 2 states have call successors, (73), 8 states have call predecessors, (73), 1 states have return successors, (71), 2 states have call predecessors, (71), 2 states have call successors, (71) [2022-07-21 10:52:22,679 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 10:52:29,997 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-07-21 10:52:32,892 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.89s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-07-21 10:52:34,996 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-07-21 10:52:41,631 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 10:52:42,890 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.26s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 10:52:45,494 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.70s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 10:52:47,518 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 10:52:50,778 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 10:52:57,239 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []