./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 e19ca921 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-e19ca92 [2021-12-22 14:32:52,854 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-22 14:32:52,864 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-22 14:32:52,911 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-22 14:32:52,915 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-22 14:32:52,918 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-22 14:32:52,920 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-22 14:32:52,923 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-22 14:32:52,924 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-22 14:32:52,929 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-22 14:32:52,930 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-22 14:32:52,931 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-22 14:32:52,931 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-22 14:32:52,933 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-22 14:32:52,935 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-22 14:32:52,938 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-22 14:32:52,939 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-22 14:32:52,939 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-22 14:32:52,941 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-22 14:32:52,947 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-22 14:32:52,948 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-22 14:32:52,949 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-22 14:32:52,951 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-22 14:32:52,951 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-22 14:32:52,957 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-22 14:32:52,958 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-22 14:32:52,958 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-22 14:32:52,959 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-22 14:32:52,960 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-22 14:32:52,961 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-22 14:32:52,962 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-22 14:32:52,963 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-22 14:32:52,964 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-22 14:32:52,965 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-22 14:32:52,966 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-22 14:32:52,966 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-22 14:32:52,967 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-22 14:32:52,967 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-22 14:32:52,967 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-22 14:32:52,968 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-22 14:32:52,968 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-22 14:32:52,969 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-22 14:32:53,001 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-22 14:32:53,001 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-22 14:32:53,002 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-22 14:32:53,002 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-22 14:32:53,003 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-22 14:32:53,004 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-22 14:32:53,004 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-22 14:32:53,004 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-22 14:32:53,004 INFO L138 SettingsManager]: * Use SBE=true [2021-12-22 14:32:53,005 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-22 14:32:53,006 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-22 14:32:53,006 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-22 14:32:53,006 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-22 14:32:53,006 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-22 14:32:53,006 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-22 14:32:53,007 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-22 14:32:53,007 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-22 14:32:53,007 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-22 14:32:53,007 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-22 14:32:53,008 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-22 14:32:53,008 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-22 14:32:53,008 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-22 14:32:53,008 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-22 14:32:53,009 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-22 14:32:53,009 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-22 14:32:53,009 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-22 14:32:53,009 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-22 14:32:53,010 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-22 14:32:53,011 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-22 14:32:53,011 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-22 14:32:53,011 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-22 14:32:53,011 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9ebc2bf251eebe5c3e705e13aaf0b2b77694b0f92422a04a1e22001ed538514b [2021-12-22 14:32:53,242 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-22 14:32:53,268 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-22 14:32:53,271 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-22 14:32:53,273 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-22 14:32:53,273 INFO L275 PluginConnector]: CDTParser initialized [2021-12-22 14:32:53,274 INFO L432 ainManager$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 [2021-12-22 14:32:53,345 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/189967600/9ee17066ffaf41189576b475bcf39c4b/FLAG212a0a86e [2021-12-22 14:32:54,152 INFO L306 CDTParser]: Found 1 translation units. [2021-12-22 14:32:54,153 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 [2021-12-22 14:32:54,213 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/189967600/9ee17066ffaf41189576b475bcf39c4b/FLAG212a0a86e [2021-12-22 14:32:54,655 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/189967600/9ee17066ffaf41189576b475bcf39c4b [2021-12-22 14:32:54,657 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-22 14:32:54,659 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-22 14:32:54,660 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-22 14:32:54,660 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-22 14:32:54,663 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-22 14:32:54,664 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 02:32:54" (1/1) ... [2021-12-22 14:32:54,665 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@19a3d6bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:32:54, skipping insertion in model container [2021-12-22 14:32:54,666 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 02:32:54" (1/1) ... [2021-12-22 14:32:54,672 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-22 14:32:54,810 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-22 14:32:57,268 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] [2021-12-22 14:32:57,450 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-22 14:32:57,490 INFO L203 MainTranslator]: Completed pre-run [2021-12-22 14:32:57,942 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] [2021-12-22 14:32:57,952 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-22 14:32:58,087 INFO L208 MainTranslator]: Completed translation [2021-12-22 14:32:58,088 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:32:58 WrapperNode [2021-12-22 14:32:58,089 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-22 14:32:58,090 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-22 14:32:58,090 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-22 14:32:58,090 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-22 14:32:58,096 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:32:58" (1/1) ... [2021-12-22 14:32:58,268 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:32:58" (1/1) ... [2021-12-22 14:32:58,582 INFO L137 Inliner]: procedures = 348, calls = 6053, calls flagged for inlining = 130, calls inlined = 130, statements flattened = 11844 [2021-12-22 14:32:58,583 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-22 14:32:58,583 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-22 14:32:58,583 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-22 14:32:58,584 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-22 14:32:58,591 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:32:58" (1/1) ... [2021-12-22 14:32:58,591 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:32:58" (1/1) ... [2021-12-22 14:32:58,777 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:32:58" (1/1) ... [2021-12-22 14:32:58,778 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:32:58" (1/1) ... [2021-12-22 14:32:59,073 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:32:58" (1/1) ... [2021-12-22 14:32:59,106 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:32:58" (1/1) ... [2021-12-22 14:32:59,154 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:32:58" (1/1) ... [2021-12-22 14:32:59,277 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-22 14:32:59,279 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-22 14:32:59,279 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-22 14:32:59,279 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-22 14:32:59,316 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:32:58" (1/1) ... [2021-12-22 14:32:59,323 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-22 14:32:59,332 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 14:32:59,344 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) [2021-12-22 14:32:59,359 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 [2021-12-22 14:32:59,382 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_var_to_panel_info [2021-12-22 14:32:59,382 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_var_to_panel_info [2021-12-22 14:32:59,382 INFO L130 BoogieDeclarations]: Found specification of procedure fb_set_suspend [2021-12-22 14:32:59,383 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_set_suspend [2021-12-22 14:32:59,383 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_delete_i2c_busses [2021-12-22 14:32:59,383 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_delete_i2c_busses [2021-12-22 14:32:59,383 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2021-12-22 14:32:59,383 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2021-12-22 14:32:59,383 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-22 14:32:59,383 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-22 14:32:59,384 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_create_bin_file [2021-12-22 14:32:59,384 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_create_bin_file [2021-12-22 14:32:59,384 INFO L130 BoogieDeclarations]: Found specification of procedure __OUTPLLP [2021-12-22 14:32:59,384 INFO L138 BoogieDeclarations]: Found implementation of procedure __OUTPLLP [2021-12-22 14:32:59,384 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_fixup_offset [2021-12-22 14:32:59,384 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_fixup_offset [2021-12-22 14:32:59,384 INFO L130 BoogieDeclarations]: Found specification of procedure framebuffer_release [2021-12-22 14:32:59,385 INFO L138 BoogieDeclarations]: Found implementation of procedure framebuffer_release [2021-12-22 14:32:59,385 INFO L130 BoogieDeclarations]: Found specification of procedure _OUTREGP [2021-12-22 14:32:59,385 INFO L138 BoogieDeclarations]: Found implementation of procedure _OUTREGP [2021-12-22 14:32:59,385 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-22 14:32:59,385 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-22 14:32:59,385 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_region [2021-12-22 14:32:59,385 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_region [2021-12-22 14:32:59,386 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_crt_is_connected [2021-12-22 14:32:59,386 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_crt_is_connected [2021-12-22 14:32:59,386 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-12-22 14:32:59,386 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-12-22 14:32:59,386 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-12-22 14:32:59,386 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-12-22 14:32:59,386 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_setup_i2c_bus [2021-12-22 14:32:59,387 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_setup_i2c_bus [2021-12-22 14:32:59,387 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_probe_i2c_connector [2021-12-22 14:32:59,387 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_probe_i2c_connector [2021-12-22 14:32:59,387 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_pm_enable_dynamic_mode [2021-12-22 14:32:59,387 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_pm_enable_dynamic_mode [2021-12-22 14:32:59,387 INFO L130 BoogieDeclarations]: Found specification of procedure var_to_depth [2021-12-22 14:32:59,387 INFO L138 BoogieDeclarations]: Found implementation of procedure var_to_depth [2021-12-22 14:32:59,388 INFO L130 BoogieDeclarations]: Found specification of procedure __OUTPLL [2021-12-22 14:32:59,388 INFO L138 BoogieDeclarations]: Found implementation of procedure __OUTPLL [2021-12-22 14:32:59,388 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_videomode_to_var [2021-12-22 14:32:59,388 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_videomode_to_var [2021-12-22 14:32:59,388 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2021-12-22 14:32:59,388 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2021-12-22 14:32:59,388 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2021-12-22 14:32:59,389 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2021-12-22 14:32:59,389 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_pm_yclk_mclk_sync [2021-12-22 14:32:59,389 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_pm_yclk_mclk_sync [2021-12-22 14:32:59,389 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-12-22 14:32:59,389 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-12-22 14:32:59,389 INFO L130 BoogieDeclarations]: Found specification of procedure radeonfb_pm_init [2021-12-22 14:32:59,389 INFO L138 BoogieDeclarations]: Found implementation of procedure radeonfb_pm_init [2021-12-22 14:32:59,390 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_bl_get_brightness [2021-12-22 14:32:59,390 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_bl_get_brightness [2021-12-22 14:32:59,390 INFO L130 BoogieDeclarations]: Found specification of procedure radeonfb_engine_init [2021-12-22 14:32:59,390 INFO L138 BoogieDeclarations]: Found implementation of procedure radeonfb_engine_init [2021-12-22 14:32:59,390 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_update_lock_of_backlight_device [2021-12-22 14:32:59,390 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_update_lock_of_backlight_device [2021-12-22 14:32:59,390 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-22 14:32:59,391 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-22 14:32:59,391 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2021-12-22 14:32:59,391 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2021-12-22 14:32:59,391 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap [2021-12-22 14:32:59,391 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap [2021-12-22 14:32:59,391 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_engine_flush [2021-12-22 14:32:59,391 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_engine_flush [2021-12-22 14:32:59,392 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_screen_blank [2021-12-22 14:32:59,392 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_screen_blank [2021-12-22 14:32:59,392 INFO L130 BoogieDeclarations]: Found specification of procedure fb_dealloc_cmap [2021-12-22 14:32:59,392 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_dealloc_cmap [2021-12-22 14:32:59,392 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-22 14:32:59,392 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2021-12-22 14:32:59,392 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2021-12-22 14:32:59,393 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_unmap_ROM [2021-12-22 14:32:59,393 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_unmap_ROM [2021-12-22 14:32:59,393 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2021-12-22 14:32:59,393 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2021-12-22 14:32:59,393 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-22 14:32:59,393 INFO L130 BoogieDeclarations]: Found specification of procedure radeonfb_set_par [2021-12-22 14:32:59,393 INFO L138 BoogieDeclarations]: Found implementation of procedure radeonfb_set_par [2021-12-22 14:32:59,394 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2021-12-22 14:32:59,394 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2021-12-22 14:32:59,394 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_set_suspend [2021-12-22 14:32:59,394 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_set_suspend [2021-12-22 14:32:59,394 INFO L130 BoogieDeclarations]: Found specification of procedure _radeon_fifo_wait [2021-12-22 14:32:59,394 INFO L138 BoogieDeclarations]: Found implementation of procedure _radeon_fifo_wait [2021-12-22 14:32:59,394 INFO L130 BoogieDeclarations]: Found specification of procedure do_gettimeofday [2021-12-22 14:32:59,395 INFO L138 BoogieDeclarations]: Found implementation of procedure do_gettimeofday [2021-12-22 14:32:59,395 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-12-22 14:32:59,395 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-12-22 14:32:59,395 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_pm_save_regs [2021-12-22 14:32:59,395 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_pm_save_regs [2021-12-22 14:32:59,395 INFO L130 BoogieDeclarations]: Found specification of procedure radeonfb_pci_resume [2021-12-22 14:32:59,395 INFO L138 BoogieDeclarations]: Found implementation of procedure radeonfb_pci_resume [2021-12-22 14:32:59,395 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-22 14:32:59,396 INFO L130 BoogieDeclarations]: Found specification of procedure pci_save_state [2021-12-22 14:32:59,396 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_save_state [2021-12-22 14:32:59,396 INFO L130 BoogieDeclarations]: Found specification of procedure bl_get_data [2021-12-22 14:32:59,396 INFO L138 BoogieDeclarations]: Found implementation of procedure bl_get_data [2021-12-22 14:32:59,396 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2021-12-22 14:32:59,396 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2021-12-22 14:32:59,396 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-22 14:32:59,397 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_pm_enable_dll [2021-12-22 14:32:59,397 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_pm_enable_dll [2021-12-22 14:32:59,397 INFO L130 BoogieDeclarations]: Found specification of procedure fb_destroy_modedb [2021-12-22 14:32:59,397 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_destroy_modedb [2021-12-22 14:32:59,397 INFO L130 BoogieDeclarations]: Found specification of procedure radeonfb_pci_unregister [2021-12-22 14:32:59,397 INFO L138 BoogieDeclarations]: Found implementation of procedure radeonfb_pci_unregister [2021-12-22 14:32:59,397 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-22 14:32:59,398 INFO L130 BoogieDeclarations]: Found specification of procedure __INPLL [2021-12-22 14:32:59,398 INFO L138 BoogieDeclarations]: Found implementation of procedure __INPLL [2021-12-22 14:32:59,398 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_get_dstbpp [2021-12-22 14:32:59,398 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_get_dstbpp [2021-12-22 14:32:59,398 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2021-12-22 14:32:59,398 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2021-12-22 14:32:59,398 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_pm_full_reset_sdram [2021-12-22 14:32:59,399 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_pm_full_reset_sdram [2021-12-22 14:32:59,399 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-22 14:32:59,399 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-22 14:32:59,399 INFO L130 BoogieDeclarations]: Found specification of procedure _radeon_engine_idle [2021-12-22 14:32:59,399 INFO L138 BoogieDeclarations]: Found implementation of procedure _radeon_engine_idle [2021-12-22 14:32:59,399 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_get_mon_name [2021-12-22 14:32:59,399 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_get_mon_name [2021-12-22 14:32:59,400 INFO L130 BoogieDeclarations]: Found specification of procedure radeonfb_sync [2021-12-22 14:32:59,400 INFO L138 BoogieDeclarations]: Found implementation of procedure radeonfb_sync [2021-12-22 14:32:59,400 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_pm_program_mode_reg [2021-12-22 14:32:59,400 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_pm_program_mode_reg [2021-12-22 14:32:59,400 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-22 14:32:59,400 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-22 14:32:59,400 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_show_one_edid [2021-12-22 14:32:59,401 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_show_one_edid [2021-12-22 14:32:59,401 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_write_mode [2021-12-22 14:32:59,401 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_write_mode [2021-12-22 14:32:59,401 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-22 14:32:59,401 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-12-22 14:32:59,401 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-12-22 14:32:59,401 INFO L130 BoogieDeclarations]: Found specification of procedure _radeon_msleep [2021-12-22 14:32:59,402 INFO L138 BoogieDeclarations]: Found implementation of procedure _radeon_msleep [2021-12-22 14:32:59,402 INFO L130 BoogieDeclarations]: Found specification of procedure INMC [2021-12-22 14:32:59,402 INFO L138 BoogieDeclarations]: Found implementation of procedure INMC [2021-12-22 14:32:59,402 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-22 14:32:59,402 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-22 14:32:59,402 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_bl_get_level_brightness [2021-12-22 14:32:59,402 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_bl_get_level_brightness [2021-12-22 14:32:59,402 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_map_ROM [2021-12-22 14:32:59,403 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_map_ROM [2021-12-22 14:32:59,403 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-22 14:32:59,403 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_update_lock_of_backlight_device [2021-12-22 14:32:59,403 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_update_lock_of_backlight_device [2021-12-22 14:32:59,403 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-22 14:32:59,403 INFO L130 BoogieDeclarations]: Found specification of procedure pci_request_region [2021-12-22 14:32:59,403 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_request_region [2021-12-22 14:32:59,404 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-12-22 14:32:59,404 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-12-22 14:32:59,404 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-22 14:32:59,404 INFO L130 BoogieDeclarations]: Found specification of procedure fb_find_mode [2021-12-22 14:32:59,404 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_find_mode [2021-12-22 14:32:59,404 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_setcolreg [2021-12-22 14:32:59,404 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_setcolreg [2021-12-22 14:32:59,404 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_pll_errata_after_data [2021-12-22 14:32:59,405 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_pll_errata_after_data [2021-12-22 14:32:59,405 INFO L130 BoogieDeclarations]: Found specification of procedure console_lock [2021-12-22 14:32:59,405 INFO L138 BoogieDeclarations]: Found implementation of procedure console_lock [2021-12-22 14:32:59,405 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_pm_restore_regs [2021-12-22 14:32:59,405 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_pm_restore_regs [2021-12-22 14:32:59,405 INFO L130 BoogieDeclarations]: Found specification of procedure console_unlock [2021-12-22 14:32:59,405 INFO L138 BoogieDeclarations]: Found implementation of procedure console_unlock [2021-12-22 14:32:59,405 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2021-12-22 14:32:59,406 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2021-12-22 14:32:59,406 INFO L130 BoogieDeclarations]: Found specification of procedure OUTMC [2021-12-22 14:32:59,406 INFO L138 BoogieDeclarations]: Found implementation of procedure OUTMC [2021-12-22 14:32:59,406 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2021-12-22 14:32:59,406 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2021-12-22 14:32:59,406 INFO L130 BoogieDeclarations]: Found specification of procedure round_div [2021-12-22 14:32:59,406 INFO L138 BoogieDeclarations]: Found implementation of procedure round_div [2021-12-22 14:32:59,407 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_pm_disable_dynamic_mode [2021-12-22 14:32:59,407 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_pm_disable_dynamic_mode [2021-12-22 14:32:59,407 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2021-12-22 14:32:59,407 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2021-12-22 14:32:59,407 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_del_adapter [2021-12-22 14:32:59,407 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_del_adapter [2021-12-22 14:32:59,407 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_pll_errata_after_index [2021-12-22 14:32:59,407 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_pll_errata_after_index [2021-12-22 14:32:59,408 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2021-12-22 14:32:59,408 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2021-12-22 14:32:59,408 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_bl_update_status [2021-12-22 14:32:59,408 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_bl_update_status [2021-12-22 14:32:59,408 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-22 14:32:59,408 INFO L130 BoogieDeclarations]: Found specification of procedure writeb [2021-12-22 14:32:59,408 INFO L138 BoogieDeclarations]: Found implementation of procedure writeb [2021-12-22 14:32:59,409 INFO L130 BoogieDeclarations]: Found specification of procedure radeonfb_engine_reset [2021-12-22 14:32:59,409 INFO L138 BoogieDeclarations]: Found implementation of procedure radeonfb_engine_reset [2021-12-22 14:32:59,409 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_remove_bin_file [2021-12-22 14:32:59,409 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_remove_bin_file [2021-12-22 14:32:59,409 INFO L130 BoogieDeclarations]: Found specification of procedure readb [2021-12-22 14:32:59,409 INFO L138 BoogieDeclarations]: Found implementation of procedure readb [2021-12-22 14:32:59,409 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-22 14:32:59,410 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-22 14:33:00,379 INFO L234 CfgBuilder]: Building ICFG [2021-12-22 14:33:00,382 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-22 14:33:20,518 INFO L275 CfgBuilder]: Performing block encoding [2021-12-22 14:33:20,556 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-22 14:33:20,556 INFO L299 CfgBuilder]: Removed 36 assume(true) statements. [2021-12-22 14:33:20,563 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 02:33:20 BoogieIcfgContainer [2021-12-22 14:33:20,563 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-22 14:33:20,565 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-22 14:33:20,565 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-22 14:33:20,569 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-22 14:33:20,569 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.12 02:32:54" (1/3) ... [2021-12-22 14:33:20,570 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@372b4108 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 02:33:20, skipping insertion in model container [2021-12-22 14:33:20,570 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:32:58" (2/3) ... [2021-12-22 14:33:20,570 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@372b4108 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 02:33:20, skipping insertion in model container [2021-12-22 14:33:20,570 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 02:33:20" (3/3) ... [2021-12-22 14:33:20,571 INFO L111 eAbstractionObserver]: Analyzing ICFG 32_7a_cilled_linux-3.8-rc1-drivers--video--aty--radeonfb.ko-main.cil.out.i [2021-12-22 14:33:20,576 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-22 14:33:20,576 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-22 14:33:20,661 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-22 14:33:20,668 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 [2021-12-22 14:33:20,669 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-22 14:33:20,761 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) [2021-12-22 14:33:20,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-12-22 14:33:20,768 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 14:33:20,769 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 14:33:20,769 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 14:33:20,773 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 14:33:20,773 INFO L85 PathProgramCache]: Analyzing trace with hash 1589680977, now seen corresponding path program 1 times [2021-12-22 14:33:20,780 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 14:33:20,780 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [399357899] [2021-12-22 14:33:20,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 14:33:20,781 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 14:33:21,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:33:21,391 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-22 14:33:21,392 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 14:33:21,392 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [399357899] [2021-12-22 14:33:21,393 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [399357899] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 14:33:21,393 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 14:33:21,393 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-22 14:33:21,395 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1648139854] [2021-12-22 14:33:21,395 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 14:33:21,399 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-22 14:33:21,399 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 14:33:21,419 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-22 14:33:21,420 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-22 14:33:21,430 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) [2021-12-22 14:33:22,046 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 14:33:22,046 INFO L93 Difference]: Finished difference Result 12432 states and 18981 transitions. [2021-12-22 14:33:22,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-22 14:33:22,049 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 [2021-12-22 14:33:22,049 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 14:33:22,141 INFO L225 Difference]: With dead ends: 12432 [2021-12-22 14:33:22,142 INFO L226 Difference]: Without dead ends: 8201 [2021-12-22 14:33:22,191 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 [2021-12-22 14:33:22,198 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, 0.1s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-22 14:33:22,199 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6150 Valid, 13893 Invalid, 16 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-22 14:33:22,227 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8201 states. [2021-12-22 14:33:22,990 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8201 to 8197. [2021-12-22 14:33:23,016 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) [2021-12-22 14:33:23,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8197 states to 8197 states and 12324 transitions. [2021-12-22 14:33:23,113 INFO L78 Accepts]: Start accepts. Automaton has 8197 states and 12324 transitions. Word has length 16 [2021-12-22 14:33:23,114 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 14:33:23,114 INFO L470 AbstractCegarLoop]: Abstraction has 8197 states and 12324 transitions. [2021-12-22 14:33:23,115 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) [2021-12-22 14:33:23,116 INFO L276 IsEmpty]: Start isEmpty. Operand 8197 states and 12324 transitions. [2021-12-22 14:33:23,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-12-22 14:33:23,125 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 14:33:23,125 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 14:33:23,126 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-22 14:33:23,126 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 14:33:23,127 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 14:33:23,127 INFO L85 PathProgramCache]: Analyzing trace with hash 1480036438, now seen corresponding path program 1 times [2021-12-22 14:33:23,127 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 14:33:23,128 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [724348258] [2021-12-22 14:33:23,128 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 14:33:23,128 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 14:33:23,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:33:23,382 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-22 14:33:23,382 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 14:33:23,382 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [724348258] [2021-12-22 14:33:23,383 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [724348258] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 14:33:23,383 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 14:33:23,383 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-22 14:33:23,383 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1690254107] [2021-12-22 14:33:23,384 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 14:33:23,385 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-22 14:33:23,385 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 14:33:23,386 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-22 14:33:23,386 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-22 14:33:23,387 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) [2021-12-22 14:33:23,664 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 14:33:23,665 INFO L93 Difference]: Finished difference Result 8223 states and 12356 transitions. [2021-12-22 14:33:23,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-22 14:33:23,666 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 [2021-12-22 14:33:23,666 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 14:33:23,732 INFO L225 Difference]: With dead ends: 8223 [2021-12-22 14:33:23,733 INFO L226 Difference]: Without dead ends: 8210 [2021-12-22 14:33:23,746 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 [2021-12-22 14:33:23,748 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 [2021-12-22 14:33:23,748 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] [2021-12-22 14:33:23,760 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8210 states. [2021-12-22 14:33:24,231 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8210 to 8197. [2021-12-22 14:33:24,241 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) [2021-12-22 14:33:24,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8197 states to 8197 states and 12323 transitions. [2021-12-22 14:33:24,474 INFO L78 Accepts]: Start accepts. Automaton has 8197 states and 12323 transitions. Word has length 19 [2021-12-22 14:33:24,474 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 14:33:24,474 INFO L470 AbstractCegarLoop]: Abstraction has 8197 states and 12323 transitions. [2021-12-22 14:33:24,475 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) [2021-12-22 14:33:24,475 INFO L276 IsEmpty]: Start isEmpty. Operand 8197 states and 12323 transitions. [2021-12-22 14:33:24,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-12-22 14:33:24,477 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 14:33:24,477 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 14:33:24,477 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-22 14:33:24,477 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 14:33:24,478 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 14:33:24,478 INFO L85 PathProgramCache]: Analyzing trace with hash 1537294740, now seen corresponding path program 1 times [2021-12-22 14:33:24,478 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 14:33:24,478 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2052304304] [2021-12-22 14:33:24,478 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 14:33:24,479 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 14:33:24,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:33:24,734 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-22 14:33:24,735 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 14:33:24,735 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2052304304] [2021-12-22 14:33:24,736 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2052304304] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 14:33:24,736 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 14:33:24,736 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-22 14:33:24,736 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [957068160] [2021-12-22 14:33:24,736 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 14:33:24,737 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-22 14:33:24,737 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 14:33:24,738 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-22 14:33:24,738 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-22 14:33:24,738 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) [2021-12-22 14:33:24,990 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 14:33:24,991 INFO L93 Difference]: Finished difference Result 8199 states and 12324 transitions. [2021-12-22 14:33:24,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-22 14:33:24,991 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 [2021-12-22 14:33:24,992 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 14:33:25,067 INFO L225 Difference]: With dead ends: 8199 [2021-12-22 14:33:25,068 INFO L226 Difference]: Without dead ends: 8196 [2021-12-22 14:33:25,080 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 [2021-12-22 14:33:25,084 INFO L933 BasicCegarLoop]: 6174 mSDtfsCounter, 6159 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s 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 [2021-12-22 14:33:25,085 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] [2021-12-22 14:33:25,097 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8196 states. [2021-12-22 14:33:25,680 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8196 to 8196. [2021-12-22 14:33:25,690 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) [2021-12-22 14:33:25,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8196 states to 8196 states and 12321 transitions. [2021-12-22 14:33:25,733 INFO L78 Accepts]: Start accepts. Automaton has 8196 states and 12321 transitions. Word has length 19 [2021-12-22 14:33:25,733 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 14:33:25,733 INFO L470 AbstractCegarLoop]: Abstraction has 8196 states and 12321 transitions. [2021-12-22 14:33:25,733 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) [2021-12-22 14:33:25,733 INFO L276 IsEmpty]: Start isEmpty. Operand 8196 states and 12321 transitions. [2021-12-22 14:33:25,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-12-22 14:33:25,734 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 14:33:25,735 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] [2021-12-22 14:33:25,735 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-22 14:33:25,735 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 14:33:25,736 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 14:33:25,736 INFO L85 PathProgramCache]: Analyzing trace with hash 409038500, now seen corresponding path program 1 times [2021-12-22 14:33:25,736 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 14:33:25,736 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [566195614] [2021-12-22 14:33:25,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 14:33:25,736 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 14:33:25,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:33:25,936 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-22 14:33:25,936 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 14:33:25,936 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [566195614] [2021-12-22 14:33:25,937 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [566195614] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 14:33:25,937 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 14:33:25,937 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-22 14:33:25,937 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [365052357] [2021-12-22 14:33:25,937 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 14:33:25,938 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-22 14:33:25,938 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 14:33:25,938 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-22 14:33:25,938 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-22 14:33:25,939 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) [2021-12-22 14:33:26,181 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 14:33:26,182 INFO L93 Difference]: Finished difference Result 8198 states and 12322 transitions. [2021-12-22 14:33:26,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-22 14:33:26,182 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 [2021-12-22 14:33:26,183 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 14:33:26,228 INFO L225 Difference]: With dead ends: 8198 [2021-12-22 14:33:26,229 INFO L226 Difference]: Without dead ends: 8195 [2021-12-22 14:33:26,237 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 [2021-12-22 14:33:26,238 INFO L933 BasicCegarLoop]: 6172 mSDtfsCounter, 6156 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s 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 [2021-12-22 14:33:26,239 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] [2021-12-22 14:33:26,250 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8195 states. [2021-12-22 14:33:26,775 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8195 to 8195. [2021-12-22 14:33:26,785 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) [2021-12-22 14:33:26,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8195 states to 8195 states and 12319 transitions. [2021-12-22 14:33:26,831 INFO L78 Accepts]: Start accepts. Automaton has 8195 states and 12319 transitions. Word has length 20 [2021-12-22 14:33:26,831 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 14:33:26,832 INFO L470 AbstractCegarLoop]: Abstraction has 8195 states and 12319 transitions. [2021-12-22 14:33:26,832 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) [2021-12-22 14:33:26,832 INFO L276 IsEmpty]: Start isEmpty. Operand 8195 states and 12319 transitions. [2021-12-22 14:33:26,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-12-22 14:33:26,833 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 14:33:26,833 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] [2021-12-22 14:33:26,834 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-22 14:33:26,834 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 14:33:26,834 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 14:33:26,834 INFO L85 PathProgramCache]: Analyzing trace with hash -207161705, now seen corresponding path program 1 times [2021-12-22 14:33:26,834 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 14:33:26,835 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1687895855] [2021-12-22 14:33:26,835 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 14:33:26,835 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 14:33:26,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:33:27,015 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-22 14:33:27,015 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 14:33:27,015 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1687895855] [2021-12-22 14:33:27,015 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1687895855] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 14:33:27,016 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 14:33:27,017 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-22 14:33:27,017 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [714086404] [2021-12-22 14:33:27,017 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 14:33:27,017 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-22 14:33:27,018 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 14:33:27,018 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-22 14:33:27,018 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-22 14:33:27,018 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) [2021-12-22 14:33:27,251 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 14:33:27,252 INFO L93 Difference]: Finished difference Result 8197 states and 12320 transitions. [2021-12-22 14:33:27,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-22 14:33:27,253 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 [2021-12-22 14:33:27,253 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 14:33:27,294 INFO L225 Difference]: With dead ends: 8197 [2021-12-22 14:33:27,294 INFO L226 Difference]: Without dead ends: 8194 [2021-12-22 14:33:27,303 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 [2021-12-22 14:33:27,304 INFO L933 BasicCegarLoop]: 6170 mSDtfsCounter, 6153 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s 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 [2021-12-22 14:33:27,305 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] [2021-12-22 14:33:27,316 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8194 states. [2021-12-22 14:33:27,888 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8194 to 8194. [2021-12-22 14:33:27,899 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) [2021-12-22 14:33:27,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8194 states to 8194 states and 12317 transitions. [2021-12-22 14:33:27,949 INFO L78 Accepts]: Start accepts. Automaton has 8194 states and 12317 transitions. Word has length 21 [2021-12-22 14:33:27,950 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 14:33:27,951 INFO L470 AbstractCegarLoop]: Abstraction has 8194 states and 12317 transitions. [2021-12-22 14:33:27,951 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) [2021-12-22 14:33:27,951 INFO L276 IsEmpty]: Start isEmpty. Operand 8194 states and 12317 transitions. [2021-12-22 14:33:27,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-12-22 14:33:27,952 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 14:33:27,952 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] [2021-12-22 14:33:27,953 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-22 14:33:27,953 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 14:33:27,953 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 14:33:27,956 INFO L85 PathProgramCache]: Analyzing trace with hash -2129494009, now seen corresponding path program 1 times [2021-12-22 14:33:27,956 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 14:33:27,957 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1894693277] [2021-12-22 14:33:27,957 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 14:33:27,957 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 14:33:28,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:33:28,148 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-22 14:33:28,149 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 14:33:28,149 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1894693277] [2021-12-22 14:33:28,149 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1894693277] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 14:33:28,150 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 14:33:28,150 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-22 14:33:28,150 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1419573604] [2021-12-22 14:33:28,150 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 14:33:28,150 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-22 14:33:28,151 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 14:33:28,151 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-22 14:33:28,151 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-22 14:33:28,151 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) [2021-12-22 14:33:28,458 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 14:33:28,458 INFO L93 Difference]: Finished difference Result 8196 states and 12318 transitions. [2021-12-22 14:33:28,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-22 14:33:28,459 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 [2021-12-22 14:33:28,459 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 14:33:28,509 INFO L225 Difference]: With dead ends: 8196 [2021-12-22 14:33:28,510 INFO L226 Difference]: Without dead ends: 8193 [2021-12-22 14:33:28,520 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 [2021-12-22 14:33:28,521 INFO L933 BasicCegarLoop]: 6168 mSDtfsCounter, 6150 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s 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 [2021-12-22 14:33:28,523 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] [2021-12-22 14:33:28,534 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8193 states. [2021-12-22 14:33:29,130 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8193 to 8193. [2021-12-22 14:33:29,139 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) [2021-12-22 14:33:29,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8193 states to 8193 states and 12315 transitions. [2021-12-22 14:33:29,182 INFO L78 Accepts]: Start accepts. Automaton has 8193 states and 12315 transitions. Word has length 22 [2021-12-22 14:33:29,182 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 14:33:29,183 INFO L470 AbstractCegarLoop]: Abstraction has 8193 states and 12315 transitions. [2021-12-22 14:33:29,183 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) [2021-12-22 14:33:29,183 INFO L276 IsEmpty]: Start isEmpty. Operand 8193 states and 12315 transitions. [2021-12-22 14:33:29,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-12-22 14:33:29,184 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 14:33:29,184 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] [2021-12-22 14:33:29,185 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-12-22 14:33:29,185 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 14:33:29,185 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 14:33:29,185 INFO L85 PathProgramCache]: Analyzing trace with hash -1592248422, now seen corresponding path program 1 times [2021-12-22 14:33:29,186 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 14:33:29,186 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1066312756] [2021-12-22 14:33:29,186 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 14:33:29,186 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 14:33:29,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:33:29,400 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-22 14:33:29,401 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 14:33:29,401 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1066312756] [2021-12-22 14:33:29,401 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1066312756] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 14:33:29,401 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 14:33:29,401 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-22 14:33:29,402 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1744701148] [2021-12-22 14:33:29,402 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 14:33:29,402 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-22 14:33:29,402 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 14:33:29,403 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-22 14:33:29,403 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-22 14:33:29,403 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) [2021-12-22 14:33:29,815 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 14:33:29,815 INFO L93 Difference]: Finished difference Result 12967 states and 19432 transitions. [2021-12-22 14:33:29,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-22 14:33:29,816 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 [2021-12-22 14:33:29,816 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 14:33:29,898 INFO L225 Difference]: With dead ends: 12967 [2021-12-22 14:33:29,898 INFO L226 Difference]: Without dead ends: 12955 [2021-12-22 14:33:29,913 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 [2021-12-22 14:33:29,915 INFO L933 BasicCegarLoop]: 7100 mSDtfsCounter, 6088 mSDsluCounter, 3611 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s 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 [2021-12-22 14:33:29,916 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] [2021-12-22 14:33:29,929 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12955 states. [2021-12-22 14:33:31,230 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12955 to 12955. [2021-12-22 14:33:31,251 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) [2021-12-22 14:33:31,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12955 states to 12955 states and 19417 transitions. [2021-12-22 14:33:31,321 INFO L78 Accepts]: Start accepts. Automaton has 12955 states and 19417 transitions. Word has length 23 [2021-12-22 14:33:31,322 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 14:33:31,323 INFO L470 AbstractCegarLoop]: Abstraction has 12955 states and 19417 transitions. [2021-12-22 14:33:31,323 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) [2021-12-22 14:33:31,323 INFO L276 IsEmpty]: Start isEmpty. Operand 12955 states and 19417 transitions. [2021-12-22 14:33:31,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 806 [2021-12-22 14:33:31,405 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 14:33:31,406 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] [2021-12-22 14:33:31,407 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-12-22 14:33:31,407 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 14:33:31,408 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 14:33:31,408 INFO L85 PathProgramCache]: Analyzing trace with hash -1062257817, now seen corresponding path program 1 times [2021-12-22 14:33:31,409 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 14:33:31,409 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1053464426] [2021-12-22 14:33:31,409 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 14:33:31,409 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 14:33:31,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:33:32,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-22 14:33:32,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:33:32,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-12-22 14:33:32,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:33:32,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-12-22 14:33:32,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:33:32,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-12-22 14:33:32,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:33:32,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2021-12-22 14:33:32,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:33:32,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-12-22 14:33:32,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:33:32,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:33:32,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:33:32,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-12-22 14:33:32,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:33:32,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-12-22 14:33:32,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:33:32,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2021-12-22 14:33:32,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:33:32,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2021-12-22 14:33:32,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:33:32,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-22 14:33:32,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:33:32,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:33:32,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:33:32,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2021-12-22 14:33:32,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:33:32,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-12-22 14:33:32,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:33:32,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:33:32,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:33:32,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 14:33:32,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:33:32,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-22 14:33:32,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:33:32,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-22 14:33:32,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:33:32,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2021-12-22 14:33:32,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:33:32,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2021-12-22 14:33:32,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:33:32,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2021-12-22 14:33:32,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:33:32,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2021-12-22 14:33:32,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:33:32,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2021-12-22 14:33:32,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:33:32,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:33:32,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:33:32,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-22 14:33:32,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:33:32,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-22 14:33:32,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:33:32,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-12-22 14:33:32,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:33:32,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-22 14:33:32,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:33:32,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-22 14:33:32,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:33:32,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-22 14:33:32,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:33:32,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2021-12-22 14:33:32,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:33:32,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2021-12-22 14:33:32,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:33:32,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:33:32,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:33:32,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-22 14:33:32,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:33:32,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-22 14:33:32,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:33:32,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-12-22 14:33:32,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:33:32,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-22 14:33:32,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:33:32,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-22 14:33:32,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:33:32,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-22 14:33:32,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:33:32,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2021-12-22 14:33:32,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:33:32,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 343 [2021-12-22 14:33:32,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:33:32,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:33:32,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:33:32,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-22 14:33:32,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:33:32,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-22 14:33:32,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:33:32,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-12-22 14:33:32,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:33:32,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-22 14:33:32,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:33:32,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-22 14:33:32,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:33:32,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-22 14:33:32,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:33:32,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2021-12-22 14:33:32,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:33:32,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 398 [2021-12-22 14:33:32,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:33:32,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:33:32,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:33:32,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-22 14:33:32,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:33:32,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-22 14:33:32,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:33:32,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-12-22 14:33:32,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:33:32,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-22 14:33:32,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:33:32,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-22 14:33:32,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:33:32,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-22 14:33:32,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:33:32,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2021-12-22 14:33:32,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:33:32,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 464 [2021-12-22 14:33:32,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:33:32,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 475 [2021-12-22 14:33:32,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:33:32,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 515 [2021-12-22 14:33:32,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:33:32,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 520 [2021-12-22 14:33:32,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:33:32,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 525 [2021-12-22 14:33:32,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:33:32,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 530 [2021-12-22 14:33:32,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:33:32,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 535 [2021-12-22 14:33:32,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:33:32,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 540 [2021-12-22 14:33:32,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:33:32,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 545 [2021-12-22 14:33:32,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:33:32,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 550 [2021-12-22 14:33:32,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:33:32,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 555 [2021-12-22 14:33:32,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:33:32,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 560 [2021-12-22 14:33:32,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:33:32,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 565 [2021-12-22 14:33:32,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:33:32,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 570 [2021-12-22 14:33:32,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:33:32,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 575 [2021-12-22 14:33:32,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:33:32,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 580 [2021-12-22 14:33:32,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:33:32,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 585 [2021-12-22 14:33:32,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:33:32,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 590 [2021-12-22 14:33:32,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:33:32,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 595 [2021-12-22 14:33:32,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:33:32,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 600 [2021-12-22 14:33:32,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:33:32,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 605 [2021-12-22 14:33:32,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:33:32,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 610 [2021-12-22 14:33:32,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:33:32,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 615 [2021-12-22 14:33:32,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:33:32,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 620 [2021-12-22 14:33:32,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:33:32,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:33:32,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:33:32,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 14:33:32,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:33:32,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-22 14:33:32,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:33:32,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-22 14:33:32,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:33:32,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 649 [2021-12-22 14:33:32,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:33:32,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 654 [2021-12-22 14:33:32,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:33:32,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 659 [2021-12-22 14:33:32,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:33:32,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:33:32,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:33:32,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 14:33:32,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:33:32,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-22 14:33:32,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:33:32,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-22 14:33:32,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:33:32,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 688 [2021-12-22 14:33:32,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:33:32,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:33:32,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:33:32,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 14:33:32,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:33:32,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-22 14:33:32,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:33:32,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-22 14:33:32,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:33:32,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 719 [2021-12-22 14:33:32,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:33:32,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 727 [2021-12-22 14:33:32,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:33:32,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 739 [2021-12-22 14:33:32,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:33:32,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 750 [2021-12-22 14:33:32,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:33:32,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:33:32,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:33:32,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 765 [2021-12-22 14:33:33,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:33:33,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 772 [2021-12-22 14:33:33,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:33:33,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 786 [2021-12-22 14:33:33,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:33:33,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 792 [2021-12-22 14:33:33,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:33:33,053 INFO L134 CoverageAnalysis]: Checked inductivity of 3551 backedges. 75 proven. 0 refuted. 0 times theorem prover too weak. 3476 trivial. 0 not checked. [2021-12-22 14:33:33,053 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 14:33:33,053 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1053464426] [2021-12-22 14:33:33,053 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1053464426] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 14:33:33,054 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 14:33:33,054 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-12-22 14:33:33,054 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1639520977] [2021-12-22 14:33:33,054 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 14:33:33,056 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-12-22 14:33:33,056 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 14:33:33,056 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-12-22 14:33:33,056 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2021-12-22 14:33:33,057 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) [2021-12-22 14:33:37,348 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-22 14:33:39,373 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-22 14:33:40,794 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.42s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-22 14:33:43,244 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.55s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-22 14:33:46,601 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 []