./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 ae007674 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-dev-ae00767 [2021-12-28 03:50:58,148 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-28 03:50:58,151 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-28 03:50:58,190 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-28 03:50:58,191 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-28 03:50:58,193 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-28 03:50:58,194 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-28 03:50:58,198 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-28 03:50:58,200 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-28 03:50:58,203 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-28 03:50:58,204 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-28 03:50:58,205 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-28 03:50:58,205 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-28 03:50:58,207 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-28 03:50:58,208 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-28 03:50:58,212 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-28 03:50:58,213 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-28 03:50:58,214 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-28 03:50:58,215 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-28 03:50:58,219 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-28 03:50:58,220 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-28 03:50:58,221 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-28 03:50:58,222 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-28 03:50:58,223 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-28 03:50:58,228 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-28 03:50:58,228 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-28 03:50:58,228 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-28 03:50:58,229 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-28 03:50:58,230 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-28 03:50:58,230 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-28 03:50:58,231 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-28 03:50:58,231 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-28 03:50:58,232 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-28 03:50:58,233 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-28 03:50:58,234 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-28 03:50:58,234 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-28 03:50:58,234 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-28 03:50:58,234 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-28 03:50:58,235 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-28 03:50:58,236 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-28 03:50:58,236 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-28 03:50:58,237 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-28 03:50:58,261 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-28 03:50:58,262 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-28 03:50:58,262 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-28 03:50:58,263 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-28 03:50:58,263 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-28 03:50:58,263 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-28 03:50:58,264 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-28 03:50:58,264 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-28 03:50:58,265 INFO L138 SettingsManager]: * Use SBE=true [2021-12-28 03:50:58,265 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-28 03:50:58,265 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-28 03:50:58,265 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-28 03:50:58,266 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-28 03:50:58,266 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-28 03:50:58,266 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-28 03:50:58,266 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-28 03:50:58,266 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-28 03:50:58,266 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-28 03:50:58,267 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-28 03:50:58,267 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-28 03:50:58,267 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-28 03:50:58,267 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-28 03:50:58,267 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-28 03:50:58,267 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-28 03:50:58,267 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-28 03:50:58,268 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-28 03:50:58,268 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-28 03:50:58,268 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-28 03:50:58,268 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-28 03:50:58,268 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-28 03:50:58,268 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9ebc2bf251eebe5c3e705e13aaf0b2b77694b0f92422a04a1e22001ed538514b [2021-12-28 03:50:58,551 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-28 03:50:58,569 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-28 03:50:58,571 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-28 03:50:58,572 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-28 03:50:58,573 INFO L275 PluginConnector]: CDTParser initialized [2021-12-28 03:50:58,574 INFO L432 ainManager$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 [2021-12-28 03:50:58,623 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/07aa44a7e/6590b839348c4e2a94ec87cfb75fe653/FLAG6937c881f [2021-12-28 03:50:59,339 INFO L306 CDTParser]: Found 1 translation units. [2021-12-28 03:50:59,340 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 [2021-12-28 03:50:59,382 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/07aa44a7e/6590b839348c4e2a94ec87cfb75fe653/FLAG6937c881f [2021-12-28 03:50:59,657 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/07aa44a7e/6590b839348c4e2a94ec87cfb75fe653 [2021-12-28 03:50:59,659 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-28 03:50:59,661 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-28 03:50:59,662 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-28 03:50:59,663 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-28 03:50:59,665 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-28 03:50:59,666 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.12 03:50:59" (1/1) ... [2021-12-28 03:50:59,667 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@821a003 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 03:50:59, skipping insertion in model container [2021-12-28 03:50:59,667 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.12 03:50:59" (1/1) ... [2021-12-28 03:50:59,671 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-28 03:50:59,791 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-28 03:51:01,791 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] [2021-12-28 03:51:01,941 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-28 03:51:01,966 INFO L203 MainTranslator]: Completed pre-run [2021-12-28 03:51:02,339 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] [2021-12-28 03:51:02,346 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-28 03:51:02,437 INFO L208 MainTranslator]: Completed translation [2021-12-28 03:51:02,437 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 03:51:02 WrapperNode [2021-12-28 03:51:02,437 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-28 03:51:02,438 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-28 03:51:02,438 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-28 03:51:02,439 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-28 03:51:02,443 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 03:51:02" (1/1) ... [2021-12-28 03:51:02,667 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 03:51:02" (1/1) ... [2021-12-28 03:51:02,935 INFO L137 Inliner]: procedures = 348, calls = 6053, calls flagged for inlining = 130, calls inlined = 130, statements flattened = 11844 [2021-12-28 03:51:02,936 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-28 03:51:02,937 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-28 03:51:02,937 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-28 03:51:02,937 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-28 03:51:02,943 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 03:51:02" (1/1) ... [2021-12-28 03:51:02,943 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 03:51:02" (1/1) ... [2021-12-28 03:51:02,997 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 03:51:02" (1/1) ... [2021-12-28 03:51:02,997 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 03:51:02" (1/1) ... [2021-12-28 03:51:03,230 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 03:51:02" (1/1) ... [2021-12-28 03:51:03,255 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 03:51:02" (1/1) ... [2021-12-28 03:51:03,314 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 03:51:02" (1/1) ... [2021-12-28 03:51:03,347 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-28 03:51:03,348 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-28 03:51:03,348 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-28 03:51:03,348 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-28 03:51:03,349 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 03:51:02" (1/1) ... [2021-12-28 03:51:03,353 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-28 03:51:03,359 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 03:51:03,368 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) [2021-12-28 03:51:03,373 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 [2021-12-28 03:51:03,391 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_var_to_panel_info [2021-12-28 03:51:03,392 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_var_to_panel_info [2021-12-28 03:51:03,392 INFO L130 BoogieDeclarations]: Found specification of procedure fb_set_suspend [2021-12-28 03:51:03,392 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_set_suspend [2021-12-28 03:51:03,392 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_delete_i2c_busses [2021-12-28 03:51:03,392 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_delete_i2c_busses [2021-12-28 03:51:03,392 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2021-12-28 03:51:03,393 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2021-12-28 03:51:03,393 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-28 03:51:03,393 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-28 03:51:03,393 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_create_bin_file [2021-12-28 03:51:03,393 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_create_bin_file [2021-12-28 03:51:03,393 INFO L130 BoogieDeclarations]: Found specification of procedure __OUTPLLP [2021-12-28 03:51:03,393 INFO L138 BoogieDeclarations]: Found implementation of procedure __OUTPLLP [2021-12-28 03:51:03,393 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_fixup_offset [2021-12-28 03:51:03,393 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_fixup_offset [2021-12-28 03:51:03,394 INFO L130 BoogieDeclarations]: Found specification of procedure framebuffer_release [2021-12-28 03:51:03,394 INFO L138 BoogieDeclarations]: Found implementation of procedure framebuffer_release [2021-12-28 03:51:03,394 INFO L130 BoogieDeclarations]: Found specification of procedure _OUTREGP [2021-12-28 03:51:03,394 INFO L138 BoogieDeclarations]: Found implementation of procedure _OUTREGP [2021-12-28 03:51:03,394 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-28 03:51:03,394 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-28 03:51:03,394 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_region [2021-12-28 03:51:03,394 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_region [2021-12-28 03:51:03,394 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_crt_is_connected [2021-12-28 03:51:03,395 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_crt_is_connected [2021-12-28 03:51:03,395 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-12-28 03:51:03,395 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-12-28 03:51:03,395 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-12-28 03:51:03,395 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-12-28 03:51:03,395 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_setup_i2c_bus [2021-12-28 03:51:03,395 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_setup_i2c_bus [2021-12-28 03:51:03,395 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_probe_i2c_connector [2021-12-28 03:51:03,395 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_probe_i2c_connector [2021-12-28 03:51:03,396 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_pm_enable_dynamic_mode [2021-12-28 03:51:03,396 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_pm_enable_dynamic_mode [2021-12-28 03:51:03,396 INFO L130 BoogieDeclarations]: Found specification of procedure var_to_depth [2021-12-28 03:51:03,396 INFO L138 BoogieDeclarations]: Found implementation of procedure var_to_depth [2021-12-28 03:51:03,396 INFO L130 BoogieDeclarations]: Found specification of procedure __OUTPLL [2021-12-28 03:51:03,396 INFO L138 BoogieDeclarations]: Found implementation of procedure __OUTPLL [2021-12-28 03:51:03,397 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_videomode_to_var [2021-12-28 03:51:03,397 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_videomode_to_var [2021-12-28 03:51:03,397 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2021-12-28 03:51:03,397 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2021-12-28 03:51:03,397 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2021-12-28 03:51:03,397 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2021-12-28 03:51:03,397 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_pm_yclk_mclk_sync [2021-12-28 03:51:03,398 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_pm_yclk_mclk_sync [2021-12-28 03:51:03,398 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-12-28 03:51:03,398 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-12-28 03:51:03,398 INFO L130 BoogieDeclarations]: Found specification of procedure radeonfb_pm_init [2021-12-28 03:51:03,398 INFO L138 BoogieDeclarations]: Found implementation of procedure radeonfb_pm_init [2021-12-28 03:51:03,398 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_bl_get_brightness [2021-12-28 03:51:03,398 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_bl_get_brightness [2021-12-28 03:51:03,398 INFO L130 BoogieDeclarations]: Found specification of procedure radeonfb_engine_init [2021-12-28 03:51:03,399 INFO L138 BoogieDeclarations]: Found implementation of procedure radeonfb_engine_init [2021-12-28 03:51:03,399 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_update_lock_of_backlight_device [2021-12-28 03:51:03,399 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_update_lock_of_backlight_device [2021-12-28 03:51:03,400 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-28 03:51:03,400 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-28 03:51:03,400 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2021-12-28 03:51:03,400 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2021-12-28 03:51:03,400 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap [2021-12-28 03:51:03,400 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap [2021-12-28 03:51:03,401 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_engine_flush [2021-12-28 03:51:03,401 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_engine_flush [2021-12-28 03:51:03,401 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_screen_blank [2021-12-28 03:51:03,401 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_screen_blank [2021-12-28 03:51:03,401 INFO L130 BoogieDeclarations]: Found specification of procedure fb_dealloc_cmap [2021-12-28 03:51:03,401 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_dealloc_cmap [2021-12-28 03:51:03,401 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-28 03:51:03,402 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2021-12-28 03:51:03,402 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2021-12-28 03:51:03,402 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_unmap_ROM [2021-12-28 03:51:03,402 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_unmap_ROM [2021-12-28 03:51:03,402 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2021-12-28 03:51:03,402 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2021-12-28 03:51:03,402 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-28 03:51:03,403 INFO L130 BoogieDeclarations]: Found specification of procedure radeonfb_set_par [2021-12-28 03:51:03,403 INFO L138 BoogieDeclarations]: Found implementation of procedure radeonfb_set_par [2021-12-28 03:51:03,403 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2021-12-28 03:51:03,403 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2021-12-28 03:51:03,403 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_set_suspend [2021-12-28 03:51:03,403 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_set_suspend [2021-12-28 03:51:03,403 INFO L130 BoogieDeclarations]: Found specification of procedure _radeon_fifo_wait [2021-12-28 03:51:03,403 INFO L138 BoogieDeclarations]: Found implementation of procedure _radeon_fifo_wait [2021-12-28 03:51:03,403 INFO L130 BoogieDeclarations]: Found specification of procedure do_gettimeofday [2021-12-28 03:51:03,403 INFO L138 BoogieDeclarations]: Found implementation of procedure do_gettimeofday [2021-12-28 03:51:03,404 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-12-28 03:51:03,404 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-12-28 03:51:03,404 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_pm_save_regs [2021-12-28 03:51:03,404 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_pm_save_regs [2021-12-28 03:51:03,404 INFO L130 BoogieDeclarations]: Found specification of procedure radeonfb_pci_resume [2021-12-28 03:51:03,405 INFO L138 BoogieDeclarations]: Found implementation of procedure radeonfb_pci_resume [2021-12-28 03:51:03,405 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-28 03:51:03,405 INFO L130 BoogieDeclarations]: Found specification of procedure pci_save_state [2021-12-28 03:51:03,405 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_save_state [2021-12-28 03:51:03,405 INFO L130 BoogieDeclarations]: Found specification of procedure bl_get_data [2021-12-28 03:51:03,405 INFO L138 BoogieDeclarations]: Found implementation of procedure bl_get_data [2021-12-28 03:51:03,406 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2021-12-28 03:51:03,406 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2021-12-28 03:51:03,406 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-28 03:51:03,406 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_pm_enable_dll [2021-12-28 03:51:03,407 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_pm_enable_dll [2021-12-28 03:51:03,407 INFO L130 BoogieDeclarations]: Found specification of procedure fb_destroy_modedb [2021-12-28 03:51:03,407 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_destroy_modedb [2021-12-28 03:51:03,407 INFO L130 BoogieDeclarations]: Found specification of procedure radeonfb_pci_unregister [2021-12-28 03:51:03,407 INFO L138 BoogieDeclarations]: Found implementation of procedure radeonfb_pci_unregister [2021-12-28 03:51:03,407 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-28 03:51:03,407 INFO L130 BoogieDeclarations]: Found specification of procedure __INPLL [2021-12-28 03:51:03,407 INFO L138 BoogieDeclarations]: Found implementation of procedure __INPLL [2021-12-28 03:51:03,408 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_get_dstbpp [2021-12-28 03:51:03,408 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_get_dstbpp [2021-12-28 03:51:03,408 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2021-12-28 03:51:03,408 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2021-12-28 03:51:03,408 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_pm_full_reset_sdram [2021-12-28 03:51:03,408 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_pm_full_reset_sdram [2021-12-28 03:51:03,408 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-28 03:51:03,409 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-28 03:51:03,409 INFO L130 BoogieDeclarations]: Found specification of procedure _radeon_engine_idle [2021-12-28 03:51:03,411 INFO L138 BoogieDeclarations]: Found implementation of procedure _radeon_engine_idle [2021-12-28 03:51:03,411 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_get_mon_name [2021-12-28 03:51:03,411 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_get_mon_name [2021-12-28 03:51:03,411 INFO L130 BoogieDeclarations]: Found specification of procedure radeonfb_sync [2021-12-28 03:51:03,411 INFO L138 BoogieDeclarations]: Found implementation of procedure radeonfb_sync [2021-12-28 03:51:03,412 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_pm_program_mode_reg [2021-12-28 03:51:03,412 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_pm_program_mode_reg [2021-12-28 03:51:03,412 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-28 03:51:03,412 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-28 03:51:03,416 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_show_one_edid [2021-12-28 03:51:03,416 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_show_one_edid [2021-12-28 03:51:03,416 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_write_mode [2021-12-28 03:51:03,416 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_write_mode [2021-12-28 03:51:03,416 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-28 03:51:03,416 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-12-28 03:51:03,417 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-12-28 03:51:03,417 INFO L130 BoogieDeclarations]: Found specification of procedure _radeon_msleep [2021-12-28 03:51:03,417 INFO L138 BoogieDeclarations]: Found implementation of procedure _radeon_msleep [2021-12-28 03:51:03,417 INFO L130 BoogieDeclarations]: Found specification of procedure INMC [2021-12-28 03:51:03,417 INFO L138 BoogieDeclarations]: Found implementation of procedure INMC [2021-12-28 03:51:03,417 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-28 03:51:03,417 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-28 03:51:03,417 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_bl_get_level_brightness [2021-12-28 03:51:03,417 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_bl_get_level_brightness [2021-12-28 03:51:03,417 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_map_ROM [2021-12-28 03:51:03,418 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_map_ROM [2021-12-28 03:51:03,418 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-28 03:51:03,418 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_update_lock_of_backlight_device [2021-12-28 03:51:03,418 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_update_lock_of_backlight_device [2021-12-28 03:51:03,418 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-28 03:51:03,418 INFO L130 BoogieDeclarations]: Found specification of procedure pci_request_region [2021-12-28 03:51:03,418 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_request_region [2021-12-28 03:51:03,418 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-12-28 03:51:03,418 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-12-28 03:51:03,418 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-28 03:51:03,418 INFO L130 BoogieDeclarations]: Found specification of procedure fb_find_mode [2021-12-28 03:51:03,419 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_find_mode [2021-12-28 03:51:03,419 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_setcolreg [2021-12-28 03:51:03,419 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_setcolreg [2021-12-28 03:51:03,419 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_pll_errata_after_data [2021-12-28 03:51:03,419 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_pll_errata_after_data [2021-12-28 03:51:03,419 INFO L130 BoogieDeclarations]: Found specification of procedure console_lock [2021-12-28 03:51:03,419 INFO L138 BoogieDeclarations]: Found implementation of procedure console_lock [2021-12-28 03:51:03,419 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_pm_restore_regs [2021-12-28 03:51:03,419 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_pm_restore_regs [2021-12-28 03:51:03,419 INFO L130 BoogieDeclarations]: Found specification of procedure console_unlock [2021-12-28 03:51:03,420 INFO L138 BoogieDeclarations]: Found implementation of procedure console_unlock [2021-12-28 03:51:03,420 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2021-12-28 03:51:03,420 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2021-12-28 03:51:03,420 INFO L130 BoogieDeclarations]: Found specification of procedure OUTMC [2021-12-28 03:51:03,420 INFO L138 BoogieDeclarations]: Found implementation of procedure OUTMC [2021-12-28 03:51:03,420 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2021-12-28 03:51:03,420 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2021-12-28 03:51:03,420 INFO L130 BoogieDeclarations]: Found specification of procedure round_div [2021-12-28 03:51:03,420 INFO L138 BoogieDeclarations]: Found implementation of procedure round_div [2021-12-28 03:51:03,420 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_pm_disable_dynamic_mode [2021-12-28 03:51:03,420 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_pm_disable_dynamic_mode [2021-12-28 03:51:03,421 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2021-12-28 03:51:03,421 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2021-12-28 03:51:03,421 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_del_adapter [2021-12-28 03:51:03,421 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_del_adapter [2021-12-28 03:51:03,421 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_pll_errata_after_index [2021-12-28 03:51:03,421 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_pll_errata_after_index [2021-12-28 03:51:03,421 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2021-12-28 03:51:03,421 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2021-12-28 03:51:03,421 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_bl_update_status [2021-12-28 03:51:03,421 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_bl_update_status [2021-12-28 03:51:03,422 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-28 03:51:03,422 INFO L130 BoogieDeclarations]: Found specification of procedure writeb [2021-12-28 03:51:03,422 INFO L138 BoogieDeclarations]: Found implementation of procedure writeb [2021-12-28 03:51:03,422 INFO L130 BoogieDeclarations]: Found specification of procedure radeonfb_engine_reset [2021-12-28 03:51:03,422 INFO L138 BoogieDeclarations]: Found implementation of procedure radeonfb_engine_reset [2021-12-28 03:51:03,422 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_remove_bin_file [2021-12-28 03:51:03,422 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_remove_bin_file [2021-12-28 03:51:03,422 INFO L130 BoogieDeclarations]: Found specification of procedure readb [2021-12-28 03:51:03,422 INFO L138 BoogieDeclarations]: Found implementation of procedure readb [2021-12-28 03:51:03,422 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-28 03:51:03,422 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-28 03:51:04,307 INFO L234 CfgBuilder]: Building ICFG [2021-12-28 03:51:04,309 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-28 03:51:23,686 INFO L275 CfgBuilder]: Performing block encoding [2021-12-28 03:51:23,708 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-28 03:51:23,709 INFO L299 CfgBuilder]: Removed 36 assume(true) statements. [2021-12-28 03:51:23,714 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.12 03:51:23 BoogieIcfgContainer [2021-12-28 03:51:23,715 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-28 03:51:23,716 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-28 03:51:23,716 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-28 03:51:23,718 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-28 03:51:23,718 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.12 03:50:59" (1/3) ... [2021-12-28 03:51:23,719 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@580307f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.12 03:51:23, skipping insertion in model container [2021-12-28 03:51:23,719 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 03:51:02" (2/3) ... [2021-12-28 03:51:23,719 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@580307f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.12 03:51:23, skipping insertion in model container [2021-12-28 03:51:23,719 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.12 03:51:23" (3/3) ... [2021-12-28 03:51:23,722 INFO L111 eAbstractionObserver]: Analyzing ICFG 32_7a_cilled_linux-3.8-rc1-drivers--video--aty--radeonfb.ko-main.cil.out.i [2021-12-28 03:51:23,725 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-28 03:51:23,726 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-28 03:51:23,773 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-28 03:51:23,780 INFO L339 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, mLoopAccelerationTechnique=FAST_UPR [2021-12-28 03:51:23,780 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-28 03:51:23,852 INFO L276 IsEmpty]: Start isEmpty. Operand has 4226 states, 2769 states have (on average 1.3040808956301915) internal successors, (3611), 2890 states have internal predecessors, (3611), 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) [2021-12-28 03:51:23,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-12-28 03:51:23,858 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 03:51:23,858 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-28 03:51:23,859 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-28 03:51:23,862 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 03:51:23,862 INFO L85 PathProgramCache]: Analyzing trace with hash 1589680977, now seen corresponding path program 1 times [2021-12-28 03:51:23,868 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 03:51:23,868 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1215603240] [2021-12-28 03:51:23,869 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 03:51:23,869 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 03:51:24,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:51:24,300 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-28 03:51:24,300 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 03:51:24,300 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1215603240] [2021-12-28 03:51:24,301 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1215603240] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 03:51:24,301 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 03:51:24,301 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-28 03:51:24,302 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [466516922] [2021-12-28 03:51:24,303 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 03:51:24,305 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-28 03:51:24,306 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 03:51:24,322 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-28 03:51:24,322 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-28 03:51:24,330 INFO L87 Difference]: Start difference. First operand has 4226 states, 2769 states have (on average 1.3040808956301915) internal successors, (3611), 2890 states have internal predecessors, (3611), 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) [2021-12-28 03:51:24,778 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 03:51:24,778 INFO L93 Difference]: Finished difference Result 12432 states and 18981 transitions. [2021-12-28 03:51:24,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-28 03:51:24,780 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 [2021-12-28 03:51:24,781 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 03:51:24,845 INFO L225 Difference]: With dead ends: 12432 [2021-12-28 03:51:24,845 INFO L226 Difference]: Without dead ends: 8201 [2021-12-28 03:51:24,880 INFO L932 BasicCegarLoop]: 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 [2021-12-28 03:51:24,883 INFO L933 BasicCegarLoop]: 7722 mSDtfsCounter, 6150 mSDsluCounter, 6171 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6150 SdHoareTripleChecker+Valid, 13893 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-28 03:51:24,884 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6150 Valid, 13893 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-28 03:51:24,905 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8201 states. [2021-12-28 03:51:25,451 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8201 to 8197. [2021-12-28 03:51:25,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8197 states, 5295 states have (on average 1.301038715769594) internal successors, (6889), 5465 states have internal predecessors, (6889), 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) [2021-12-28 03:51:25,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8197 states to 8197 states and 12324 transitions. [2021-12-28 03:51:25,528 INFO L78 Accepts]: Start accepts. Automaton has 8197 states and 12324 transitions. Word has length 16 [2021-12-28 03:51:25,529 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 03:51:25,529 INFO L470 AbstractCegarLoop]: Abstraction has 8197 states and 12324 transitions. [2021-12-28 03:51:25,530 INFO L471 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) [2021-12-28 03:51:25,531 INFO L276 IsEmpty]: Start isEmpty. Operand 8197 states and 12324 transitions. [2021-12-28 03:51:25,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-12-28 03:51:25,536 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 03:51:25,536 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-28 03:51:25,536 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-28 03:51:25,537 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-28 03:51:25,537 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 03:51:25,537 INFO L85 PathProgramCache]: Analyzing trace with hash 1480036438, now seen corresponding path program 1 times [2021-12-28 03:51:25,537 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 03:51:25,538 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1795960877] [2021-12-28 03:51:25,538 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 03:51:25,538 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 03:51:25,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:51:25,716 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-28 03:51:25,717 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 03:51:25,717 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1795960877] [2021-12-28 03:51:25,717 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1795960877] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 03:51:25,717 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 03:51:25,717 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-28 03:51:25,717 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1147144410] [2021-12-28 03:51:25,718 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 03:51:25,719 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-28 03:51:25,719 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 03:51:25,719 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-28 03:51:25,720 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-28 03:51:25,720 INFO L87 Difference]: Start difference. First operand 8197 states and 12324 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) [2021-12-28 03:51:25,933 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 03:51:25,933 INFO L93 Difference]: Finished difference Result 8223 states and 12356 transitions. [2021-12-28 03:51:25,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-28 03:51:25,934 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 [2021-12-28 03:51:25,934 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 03:51:25,992 INFO L225 Difference]: With dead ends: 8223 [2021-12-28 03:51:25,992 INFO L226 Difference]: Without dead ends: 8210 [2021-12-28 03:51:26,004 INFO L932 BasicCegarLoop]: 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 [2021-12-28 03:51:26,006 INFO L933 BasicCegarLoop]: 6192 mSDtfsCounter, 6172 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6172 SdHoareTripleChecker+Valid, 6208 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 [2021-12-28 03:51:26,007 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6172 Valid, 6208 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-28 03:51:26,017 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8210 states. [2021-12-28 03:51:26,484 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8210 to 8197. [2021-12-28 03:51:26,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8197 states, 5295 states have (on average 1.3008498583569406) internal successors, (6888), 5465 states have internal predecessors, (6888), 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) [2021-12-28 03:51:26,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8197 states to 8197 states and 12323 transitions. [2021-12-28 03:51:26,531 INFO L78 Accepts]: Start accepts. Automaton has 8197 states and 12323 transitions. Word has length 19 [2021-12-28 03:51:26,531 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 03:51:26,531 INFO L470 AbstractCegarLoop]: Abstraction has 8197 states and 12323 transitions. [2021-12-28 03:51:26,531 INFO L471 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) [2021-12-28 03:51:26,531 INFO L276 IsEmpty]: Start isEmpty. Operand 8197 states and 12323 transitions. [2021-12-28 03:51:26,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-12-28 03:51:26,532 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 03:51:26,532 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-28 03:51:26,532 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-28 03:51:26,533 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-28 03:51:26,533 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 03:51:26,533 INFO L85 PathProgramCache]: Analyzing trace with hash 1537294740, now seen corresponding path program 1 times [2021-12-28 03:51:26,533 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 03:51:26,533 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1766643141] [2021-12-28 03:51:26,534 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 03:51:26,534 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 03:51:26,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:51:26,700 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-28 03:51:26,701 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 03:51:26,701 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1766643141] [2021-12-28 03:51:26,701 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1766643141] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 03:51:26,701 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 03:51:26,701 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-28 03:51:26,702 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [372628937] [2021-12-28 03:51:26,702 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 03:51:26,702 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-28 03:51:26,702 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 03:51:26,702 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-28 03:51:26,703 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-28 03:51:26,703 INFO L87 Difference]: Start difference. First operand 8197 states and 12323 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) [2021-12-28 03:51:26,906 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 03:51:26,907 INFO L93 Difference]: Finished difference Result 8199 states and 12324 transitions. [2021-12-28 03:51:26,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-28 03:51:26,907 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 [2021-12-28 03:51:26,907 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 03:51:26,967 INFO L225 Difference]: With dead ends: 8199 [2021-12-28 03:51:26,967 INFO L226 Difference]: Without dead ends: 8196 [2021-12-28 03:51:26,977 INFO L932 BasicCegarLoop]: 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 [2021-12-28 03:51:26,981 INFO L933 BasicCegarLoop]: 6174 mSDtfsCounter, 6159 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6159 SdHoareTripleChecker+Valid, 6174 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-28 03:51:26,982 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6159 Valid, 6174 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-28 03:51:26,991 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8196 states. [2021-12-28 03:51:27,387 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8196 to 8196. [2021-12-28 03:51:27,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8196 states, 5295 states have (on average 1.3006610009442872) internal successors, (6887), 5464 states have internal predecessors, (6887), 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) [2021-12-28 03:51:27,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8196 states to 8196 states and 12321 transitions. [2021-12-28 03:51:27,435 INFO L78 Accepts]: Start accepts. Automaton has 8196 states and 12321 transitions. Word has length 19 [2021-12-28 03:51:27,435 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 03:51:27,436 INFO L470 AbstractCegarLoop]: Abstraction has 8196 states and 12321 transitions. [2021-12-28 03:51:27,436 INFO L471 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) [2021-12-28 03:51:27,436 INFO L276 IsEmpty]: Start isEmpty. Operand 8196 states and 12321 transitions. [2021-12-28 03:51:27,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-12-28 03:51:27,437 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 03:51:27,438 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-28 03:51:27,438 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-28 03:51:27,438 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-28 03:51:27,439 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 03:51:27,439 INFO L85 PathProgramCache]: Analyzing trace with hash 409038500, now seen corresponding path program 1 times [2021-12-28 03:51:27,439 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 03:51:27,439 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [107830302] [2021-12-28 03:51:27,439 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 03:51:27,439 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 03:51:27,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:51:27,624 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-28 03:51:27,624 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 03:51:27,624 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [107830302] [2021-12-28 03:51:27,625 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [107830302] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 03:51:27,625 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 03:51:27,625 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-28 03:51:27,625 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1764657637] [2021-12-28 03:51:27,625 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 03:51:27,625 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-28 03:51:27,626 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 03:51:27,626 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-28 03:51:27,626 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-28 03:51:27,626 INFO L87 Difference]: Start difference. First operand 8196 states and 12321 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) [2021-12-28 03:51:27,808 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 03:51:27,809 INFO L93 Difference]: Finished difference Result 8198 states and 12322 transitions. [2021-12-28 03:51:27,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-28 03:51:27,809 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 [2021-12-28 03:51:27,809 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 03:51:27,848 INFO L225 Difference]: With dead ends: 8198 [2021-12-28 03:51:27,848 INFO L226 Difference]: Without dead ends: 8195 [2021-12-28 03:51:27,855 INFO L932 BasicCegarLoop]: 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 [2021-12-28 03:51:27,860 INFO L933 BasicCegarLoop]: 6172 mSDtfsCounter, 6156 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6156 SdHoareTripleChecker+Valid, 6172 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-28 03:51:27,860 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6156 Valid, 6172 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-28 03:51:27,870 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8195 states. [2021-12-28 03:51:28,309 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8195 to 8195. [2021-12-28 03:51:28,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8195 states, 5295 states have (on average 1.3004721435316335) internal successors, (6886), 5463 states have internal predecessors, (6886), 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) [2021-12-28 03:51:28,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8195 states to 8195 states and 12319 transitions. [2021-12-28 03:51:28,359 INFO L78 Accepts]: Start accepts. Automaton has 8195 states and 12319 transitions. Word has length 20 [2021-12-28 03:51:28,359 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 03:51:28,359 INFO L470 AbstractCegarLoop]: Abstraction has 8195 states and 12319 transitions. [2021-12-28 03:51:28,360 INFO L471 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) [2021-12-28 03:51:28,360 INFO L276 IsEmpty]: Start isEmpty. Operand 8195 states and 12319 transitions. [2021-12-28 03:51:28,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-12-28 03:51:28,361 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 03:51:28,361 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-28 03:51:28,361 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-28 03:51:28,361 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-28 03:51:28,362 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 03:51:28,362 INFO L85 PathProgramCache]: Analyzing trace with hash -207161705, now seen corresponding path program 1 times [2021-12-28 03:51:28,362 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 03:51:28,362 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1066698815] [2021-12-28 03:51:28,362 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 03:51:28,363 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 03:51:28,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:51:28,522 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-28 03:51:28,522 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 03:51:28,522 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1066698815] [2021-12-28 03:51:28,522 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1066698815] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 03:51:28,522 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 03:51:28,523 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-28 03:51:28,523 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [104446748] [2021-12-28 03:51:28,523 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 03:51:28,524 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-28 03:51:28,524 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 03:51:28,524 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-28 03:51:28,524 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-28 03:51:28,524 INFO L87 Difference]: Start difference. First operand 8195 states and 12319 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) [2021-12-28 03:51:28,741 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 03:51:28,742 INFO L93 Difference]: Finished difference Result 8197 states and 12320 transitions. [2021-12-28 03:51:28,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-28 03:51:28,742 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 [2021-12-28 03:51:28,743 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 03:51:28,779 INFO L225 Difference]: With dead ends: 8197 [2021-12-28 03:51:28,779 INFO L226 Difference]: Without dead ends: 8194 [2021-12-28 03:51:28,786 INFO L932 BasicCegarLoop]: 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 [2021-12-28 03:51:28,787 INFO L933 BasicCegarLoop]: 6170 mSDtfsCounter, 6153 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6153 SdHoareTripleChecker+Valid, 6170 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-28 03:51:28,788 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6153 Valid, 6170 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-28 03:51:28,799 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8194 states. [2021-12-28 03:51:29,135 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8194 to 8194. [2021-12-28 03:51:29,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8194 states, 5295 states have (on average 1.3002832861189801) internal successors, (6885), 5462 states have internal predecessors, (6885), 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) [2021-12-28 03:51:29,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8194 states to 8194 states and 12317 transitions. [2021-12-28 03:51:29,178 INFO L78 Accepts]: Start accepts. Automaton has 8194 states and 12317 transitions. Word has length 21 [2021-12-28 03:51:29,179 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 03:51:29,179 INFO L470 AbstractCegarLoop]: Abstraction has 8194 states and 12317 transitions. [2021-12-28 03:51:29,179 INFO L471 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) [2021-12-28 03:51:29,179 INFO L276 IsEmpty]: Start isEmpty. Operand 8194 states and 12317 transitions. [2021-12-28 03:51:29,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-12-28 03:51:29,180 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 03:51:29,180 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-28 03:51:29,180 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-28 03:51:29,180 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-28 03:51:29,180 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 03:51:29,180 INFO L85 PathProgramCache]: Analyzing trace with hash -2129494009, now seen corresponding path program 1 times [2021-12-28 03:51:29,181 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 03:51:29,181 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1575964376] [2021-12-28 03:51:29,181 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 03:51:29,181 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 03:51:29,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:51:29,352 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-28 03:51:29,353 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 03:51:29,353 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1575964376] [2021-12-28 03:51:29,353 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1575964376] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 03:51:29,353 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 03:51:29,353 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-28 03:51:29,354 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1311103450] [2021-12-28 03:51:29,354 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 03:51:29,354 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-28 03:51:29,354 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 03:51:29,354 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-28 03:51:29,354 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-28 03:51:29,355 INFO L87 Difference]: Start difference. First operand 8194 states and 12317 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) [2021-12-28 03:51:29,545 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 03:51:29,545 INFO L93 Difference]: Finished difference Result 8196 states and 12318 transitions. [2021-12-28 03:51:29,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-28 03:51:29,546 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 [2021-12-28 03:51:29,546 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 03:51:29,578 INFO L225 Difference]: With dead ends: 8196 [2021-12-28 03:51:29,578 INFO L226 Difference]: Without dead ends: 8193 [2021-12-28 03:51:29,585 INFO L932 BasicCegarLoop]: 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 [2021-12-28 03:51:29,586 INFO L933 BasicCegarLoop]: 6168 mSDtfsCounter, 6150 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6150 SdHoareTripleChecker+Valid, 6168 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-28 03:51:29,586 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6150 Valid, 6168 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-28 03:51:29,595 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8193 states. [2021-12-28 03:51:29,922 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8193 to 8193. [2021-12-28 03:51:29,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8193 states, 5295 states have (on average 1.3000944287063267) internal successors, (6884), 5461 states have internal predecessors, (6884), 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) [2021-12-28 03:51:29,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8193 states to 8193 states and 12315 transitions. [2021-12-28 03:51:29,960 INFO L78 Accepts]: Start accepts. Automaton has 8193 states and 12315 transitions. Word has length 22 [2021-12-28 03:51:29,960 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 03:51:29,960 INFO L470 AbstractCegarLoop]: Abstraction has 8193 states and 12315 transitions. [2021-12-28 03:51:29,960 INFO L471 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) [2021-12-28 03:51:29,960 INFO L276 IsEmpty]: Start isEmpty. Operand 8193 states and 12315 transitions. [2021-12-28 03:51:29,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-12-28 03:51:29,961 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 03:51:29,961 INFO L514 BasicCegarLoop]: 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] [2021-12-28 03:51:29,962 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-12-28 03:51:29,962 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-28 03:51:29,962 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 03:51:29,962 INFO L85 PathProgramCache]: Analyzing trace with hash -1592248422, now seen corresponding path program 1 times [2021-12-28 03:51:29,962 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 03:51:29,962 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1882802317] [2021-12-28 03:51:29,963 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 03:51:29,963 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 03:51:30,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:51:30,081 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-28 03:51:30,082 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 03:51:30,082 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1882802317] [2021-12-28 03:51:30,082 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1882802317] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 03:51:30,082 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 03:51:30,082 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-28 03:51:30,082 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1734600680] [2021-12-28 03:51:30,083 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 03:51:30,083 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-28 03:51:30,083 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 03:51:30,083 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-28 03:51:30,083 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-28 03:51:30,084 INFO L87 Difference]: Start difference. First operand 8193 states and 12315 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) [2021-12-28 03:51:30,401 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 03:51:30,401 INFO L93 Difference]: Finished difference Result 12967 states and 19432 transitions. [2021-12-28 03:51:30,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-28 03:51:30,402 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 [2021-12-28 03:51:30,402 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 03:51:30,440 INFO L225 Difference]: With dead ends: 12967 [2021-12-28 03:51:30,441 INFO L226 Difference]: Without dead ends: 12955 [2021-12-28 03:51:30,446 INFO L932 BasicCegarLoop]: 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 [2021-12-28 03:51:30,447 INFO L933 BasicCegarLoop]: 7100 mSDtfsCounter, 6088 mSDsluCounter, 3611 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6088 SdHoareTripleChecker+Valid, 10711 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 [2021-12-28 03:51:30,447 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6088 Valid, 10711 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-28 03:51:30,457 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12955 states. [2021-12-28 03:51:31,363 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12955 to 12955. [2021-12-28 03:51:31,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12955 states, 8055 states have (on average 1.2717566728739913) internal successors, (10244), 8345 states have internal predecessors, (10244), 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) [2021-12-28 03:51:31,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12955 states to 12955 states and 19417 transitions. [2021-12-28 03:51:31,433 INFO L78 Accepts]: Start accepts. Automaton has 12955 states and 19417 transitions. Word has length 23 [2021-12-28 03:51:31,435 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 03:51:31,435 INFO L470 AbstractCegarLoop]: Abstraction has 12955 states and 19417 transitions. [2021-12-28 03:51:31,435 INFO L471 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) [2021-12-28 03:51:31,435 INFO L276 IsEmpty]: Start isEmpty. Operand 12955 states and 19417 transitions. [2021-12-28 03:51:31,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 806 [2021-12-28 03:51:31,490 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 03:51:31,491 INFO L514 BasicCegarLoop]: 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, 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] [2021-12-28 03:51:31,492 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-12-28 03:51:31,492 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-28 03:51:31,492 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 03:51:31,493 INFO L85 PathProgramCache]: Analyzing trace with hash -1062257817, now seen corresponding path program 1 times [2021-12-28 03:51:31,493 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 03:51:31,493 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1652081557] [2021-12-28 03:51:31,493 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 03:51:31,493 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 03:51:31,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:51:31,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-28 03:51:31,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:51:31,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-12-28 03:51:31,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:51:31,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-12-28 03:51:31,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:51:31,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-12-28 03:51:31,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:51:31,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2021-12-28 03:51:31,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:51:31,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-12-28 03:51:31,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:51:31,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 03:51:31,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:51:31,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-12-28 03:51:31,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:51:31,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-12-28 03:51:31,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:51:32,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2021-12-28 03:51:32,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:51:32,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2021-12-28 03:51:32,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:51:32,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-28 03:51:32,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:51:32,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 03:51:32,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:51:32,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2021-12-28 03:51:32,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:51:32,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-12-28 03:51:32,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:51:32,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 03:51:32,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:51:32,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 03:51:32,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:51:32,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-28 03:51:32,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:51:32,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-28 03:51:32,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:51:32,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2021-12-28 03:51:32,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:51:32,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2021-12-28 03:51:32,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:51:32,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2021-12-28 03:51:32,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:51:32,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2021-12-28 03:51:32,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:51:32,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2021-12-28 03:51:32,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:51:32,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 03:51:32,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:51:32,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-28 03:51:32,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:51:32,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-28 03:51:32,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:51:32,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-12-28 03:51:32,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:51:32,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-28 03:51:32,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:51:32,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-28 03:51:32,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:51:32,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-28 03:51:32,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:51:32,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2021-12-28 03:51:32,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:51:32,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2021-12-28 03:51:32,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:51:32,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 03:51:32,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:51:32,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-28 03:51:32,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:51:32,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-28 03:51:32,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:51:32,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-12-28 03:51:32,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:51:32,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-28 03:51:32,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:51:32,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-28 03:51:32,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:51:32,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-28 03:51:32,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:51:32,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2021-12-28 03:51:32,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:51:32,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 343 [2021-12-28 03:51:32,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:51:32,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 03:51:32,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:51:32,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-28 03:51:32,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:51:32,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-28 03:51:32,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:51:32,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-12-28 03:51:32,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:51:32,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-28 03:51:32,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:51:32,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-28 03:51:32,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:51:32,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-28 03:51:32,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:51:32,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2021-12-28 03:51:32,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:51:32,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 398 [2021-12-28 03:51:32,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:51:32,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 03:51:32,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:51:32,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-28 03:51:32,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:51:32,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-28 03:51:32,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:51:32,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-12-28 03:51:32,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:51:32,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-28 03:51:32,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:51:32,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-28 03:51:32,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:51:32,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-28 03:51:32,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:51:32,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2021-12-28 03:51:32,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:51:32,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 464 [2021-12-28 03:51:32,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:51:32,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 475 [2021-12-28 03:51:32,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:51:32,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 515 [2021-12-28 03:51:32,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:51:32,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 520 [2021-12-28 03:51:32,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:51:32,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 525 [2021-12-28 03:51:32,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:51:32,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 530 [2021-12-28 03:51:32,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:51:32,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 535 [2021-12-28 03:51:32,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:51:32,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 540 [2021-12-28 03:51:32,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:51:32,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 545 [2021-12-28 03:51:32,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:51:32,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 550 [2021-12-28 03:51:32,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:51:32,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 555 [2021-12-28 03:51:32,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:51:32,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 560 [2021-12-28 03:51:32,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:51:32,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 565 [2021-12-28 03:51:32,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:51:32,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 570 [2021-12-28 03:51:32,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:51:32,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 575 [2021-12-28 03:51:32,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:51:32,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 580 [2021-12-28 03:51:32,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:51:32,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 585 [2021-12-28 03:51:32,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:51:32,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 590 [2021-12-28 03:51:32,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:51:32,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 595 [2021-12-28 03:51:32,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:51:32,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 600 [2021-12-28 03:51:32,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:51:32,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 605 [2021-12-28 03:51:32,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:51:32,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 610 [2021-12-28 03:51:32,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:51:32,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 615 [2021-12-28 03:51:32,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:51:32,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 620 [2021-12-28 03:51:32,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:51:32,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 03:51:32,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:51:32,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 03:51:32,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:51:32,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-28 03:51:32,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:51:32,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-28 03:51:32,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:51:32,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 649 [2021-12-28 03:51:32,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:51:32,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 654 [2021-12-28 03:51:32,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:51:32,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 659 [2021-12-28 03:51:32,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:51:32,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 03:51:32,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:51:32,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 03:51:32,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:51:32,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-28 03:51:32,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:51:32,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-28 03:51:32,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:51:32,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 688 [2021-12-28 03:51:32,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:51:32,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 03:51:32,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:51:32,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-28 03:51:32,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:51:32,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-28 03:51:32,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:51:32,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-28 03:51:32,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:51:32,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 719 [2021-12-28 03:51:32,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:51:32,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 727 [2021-12-28 03:51:32,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:51:32,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 739 [2021-12-28 03:51:32,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:51:32,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 750 [2021-12-28 03:51:32,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:51:32,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 03:51:32,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:51:32,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 765 [2021-12-28 03:51:32,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:51:32,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 772 [2021-12-28 03:51:32,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:51:32,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 786 [2021-12-28 03:51:32,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:51:32,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 792 [2021-12-28 03:51:32,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 03:51:32,690 INFO L134 CoverageAnalysis]: Checked inductivity of 3551 backedges. 75 proven. 0 refuted. 0 times theorem prover too weak. 3476 trivial. 0 not checked. [2021-12-28 03:51:32,690 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 03:51:32,690 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1652081557] [2021-12-28 03:51:32,690 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1652081557] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 03:51:32,690 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 03:51:32,691 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-12-28 03:51:32,691 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1931539531] [2021-12-28 03:51:32,691 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 03:51:32,692 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-12-28 03:51:32,692 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 03:51:32,692 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-12-28 03:51:32,692 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2021-12-28 03:51:32,693 INFO L87 Difference]: Start difference. First operand 12955 states and 19417 transitions. Second operand has 8 states, 8 states have (on average 43.25) internal successors, (346), 4 states have internal predecessors, (346), 3 states have call successors, (80), 6 states have call predecessors, (80), 2 states have return successors, (78), 3 states have call predecessors, (78), 3 states have call successors, (78) [2021-12-28 03:51:37,066 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-28 03:51:39,587 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-28 03:51:41,721 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-28 03:51:47,400 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-12-28 03:51:49,579 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.18s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-12-28 03:51:51,777 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.20s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-12-28 03:51:59,220 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.57s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []