./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 6c24879c 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-?-6c24879 [2022-07-12 12:15:26,815 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-12 12:15:26,817 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-12 12:15:26,861 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-12 12:15:26,862 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-12 12:15:26,863 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-12 12:15:26,865 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-12 12:15:26,868 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-12 12:15:26,869 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-12 12:15:26,875 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-12 12:15:26,877 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-12 12:15:26,879 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-12 12:15:26,879 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-12 12:15:26,882 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-12 12:15:26,883 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-12 12:15:26,887 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-12 12:15:26,888 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-12 12:15:26,890 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-12 12:15:26,892 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-12 12:15:26,897 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-12 12:15:26,899 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-12 12:15:26,900 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-12 12:15:26,901 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-12 12:15:26,902 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-12 12:15:26,904 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-12 12:15:26,908 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-12 12:15:26,909 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-12 12:15:26,910 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-12 12:15:26,911 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-12 12:15:26,912 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-12 12:15:26,913 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-12 12:15:26,913 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-12 12:15:26,914 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-12 12:15:26,915 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-12 12:15:26,916 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-12 12:15:26,916 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-12 12:15:26,917 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-12 12:15:26,917 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-12 12:15:26,917 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-12 12:15:26,918 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-12 12:15:26,918 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-12 12:15:26,920 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-12 12:15:26,921 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-12 12:15:26,954 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-12 12:15:26,960 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-12 12:15:26,960 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-12 12:15:26,961 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-12 12:15:26,962 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-12 12:15:26,962 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-12 12:15:26,962 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-12 12:15:26,963 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-12 12:15:26,963 INFO L138 SettingsManager]: * Use SBE=true [2022-07-12 12:15:26,964 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-12 12:15:26,964 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-12 12:15:26,964 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-12 12:15:26,964 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-12 12:15:26,965 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-12 12:15:26,965 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-12 12:15:26,965 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-12 12:15:26,965 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-12 12:15:26,965 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-12 12:15:26,966 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-12 12:15:26,966 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-12 12:15:26,966 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-12 12:15:26,966 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-12 12:15:26,967 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-12 12:15:26,967 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-12 12:15:26,967 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-12 12:15:26,968 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-12 12:15:26,968 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-12 12:15:26,968 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-12 12:15:26,968 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-12 12:15:26,968 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-12 12:15:26,969 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9ebc2bf251eebe5c3e705e13aaf0b2b77694b0f92422a04a1e22001ed538514b [2022-07-12 12:15:27,219 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-12 12:15:27,244 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-12 12:15:27,246 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-12 12:15:27,247 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-12 12:15:27,248 INFO L275 PluginConnector]: CDTParser initialized [2022-07-12 12:15:27,249 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--video--aty--radeonfb.ko-main.cil.out.i [2022-07-12 12:15:27,314 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9fc299af3/35798395876f4b008cd3f570f2281718/FLAG9fc8196d3 [2022-07-12 12:15:27,992 INFO L306 CDTParser]: Found 1 translation units. [2022-07-12 12:15:27,992 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--video--aty--radeonfb.ko-main.cil.out.i [2022-07-12 12:15:28,049 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9fc299af3/35798395876f4b008cd3f570f2281718/FLAG9fc8196d3 [2022-07-12 12:15:28,560 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9fc299af3/35798395876f4b008cd3f570f2281718 [2022-07-12 12:15:28,563 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-12 12:15:28,564 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-12 12:15:28,566 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-12 12:15:28,567 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-12 12:15:28,569 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-12 12:15:28,570 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 12:15:28" (1/1) ... [2022-07-12 12:15:28,571 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6482e35b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 12:15:28, skipping insertion in model container [2022-07-12 12:15:28,572 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 12:15:28" (1/1) ... [2022-07-12 12:15:28,577 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-12 12:15:28,727 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-12 12:15:31,135 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--video--aty--radeonfb.ko-main.cil.out.i[392555,392568] [2022-07-12 12:15:31,267 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 12:15:31,301 INFO L203 MainTranslator]: Completed pre-run [2022-07-12 12:15:31,702 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--video--aty--radeonfb.ko-main.cil.out.i[392555,392568] [2022-07-12 12:15:31,711 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 12:15:31,815 INFO L208 MainTranslator]: Completed translation [2022-07-12 12:15:31,816 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 12:15:31 WrapperNode [2022-07-12 12:15:31,817 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-12 12:15:31,818 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-12 12:15:31,818 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-12 12:15:31,818 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-12 12:15:31,838 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 12:15:31" (1/1) ... [2022-07-12 12:15:32,041 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 12:15:31" (1/1) ... [2022-07-12 12:15:32,526 INFO L137 Inliner]: procedures = 348, calls = 6056, calls flagged for inlining = 130, calls inlined = 130, statements flattened = 13098 [2022-07-12 12:15:32,528 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-12 12:15:32,529 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-12 12:15:32,529 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-12 12:15:32,529 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-12 12:15:32,548 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 12:15:31" (1/1) ... [2022-07-12 12:15:32,549 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 12:15:31" (1/1) ... [2022-07-12 12:15:32,782 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 12:15:31" (1/1) ... [2022-07-12 12:15:32,783 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 12:15:31" (1/1) ... [2022-07-12 12:15:33,209 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 12:15:31" (1/1) ... [2022-07-12 12:15:33,293 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 12:15:31" (1/1) ... [2022-07-12 12:15:33,347 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 12:15:31" (1/1) ... [2022-07-12 12:15:33,473 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-12 12:15:33,474 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-12 12:15:33,475 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-12 12:15:33,475 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-12 12:15:33,476 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 12:15:31" (1/1) ... [2022-07-12 12:15:33,482 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-12 12:15:33,490 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-12 12:15:33,533 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-07-12 12:15:33,609 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-07-12 12:15:33,650 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_var_to_panel_info [2022-07-12 12:15:33,651 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_var_to_panel_info [2022-07-12 12:15:33,651 INFO L130 BoogieDeclarations]: Found specification of procedure fb_set_suspend [2022-07-12 12:15:33,651 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_set_suspend [2022-07-12 12:15:33,651 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_delete_i2c_busses [2022-07-12 12:15:33,651 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_delete_i2c_busses [2022-07-12 12:15:33,652 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-07-12 12:15:33,652 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-07-12 12:15:33,652 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-12 12:15:33,652 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-12 12:15:33,652 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_create_bin_file [2022-07-12 12:15:33,652 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_create_bin_file [2022-07-12 12:15:33,652 INFO L130 BoogieDeclarations]: Found specification of procedure __OUTPLLP [2022-07-12 12:15:33,653 INFO L138 BoogieDeclarations]: Found implementation of procedure __OUTPLLP [2022-07-12 12:15:33,653 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_fixup_offset [2022-07-12 12:15:33,653 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_fixup_offset [2022-07-12 12:15:33,653 INFO L130 BoogieDeclarations]: Found specification of procedure framebuffer_release [2022-07-12 12:15:33,653 INFO L138 BoogieDeclarations]: Found implementation of procedure framebuffer_release [2022-07-12 12:15:33,653 INFO L130 BoogieDeclarations]: Found specification of procedure _OUTREGP [2022-07-12 12:15:33,653 INFO L138 BoogieDeclarations]: Found implementation of procedure _OUTREGP [2022-07-12 12:15:33,654 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-12 12:15:33,654 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-12 12:15:33,654 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_region [2022-07-12 12:15:33,654 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_region [2022-07-12 12:15:33,654 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_crt_is_connected [2022-07-12 12:15:33,654 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_crt_is_connected [2022-07-12 12:15:33,654 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-07-12 12:15:33,654 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-07-12 12:15:33,655 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-07-12 12:15:33,655 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-07-12 12:15:33,655 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_setup_i2c_bus [2022-07-12 12:15:33,655 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_setup_i2c_bus [2022-07-12 12:15:33,655 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_probe_i2c_connector [2022-07-12 12:15:33,655 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_probe_i2c_connector [2022-07-12 12:15:33,655 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_pm_enable_dynamic_mode [2022-07-12 12:15:33,656 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_pm_enable_dynamic_mode [2022-07-12 12:15:33,656 INFO L130 BoogieDeclarations]: Found specification of procedure var_to_depth [2022-07-12 12:15:33,656 INFO L138 BoogieDeclarations]: Found implementation of procedure var_to_depth [2022-07-12 12:15:33,656 INFO L130 BoogieDeclarations]: Found specification of procedure __OUTPLL [2022-07-12 12:15:33,656 INFO L138 BoogieDeclarations]: Found implementation of procedure __OUTPLL [2022-07-12 12:15:33,656 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_videomode_to_var [2022-07-12 12:15:33,656 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_videomode_to_var [2022-07-12 12:15:33,657 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2022-07-12 12:15:33,657 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2022-07-12 12:15:33,657 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2022-07-12 12:15:33,657 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2022-07-12 12:15:33,657 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_pm_yclk_mclk_sync [2022-07-12 12:15:33,657 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_pm_yclk_mclk_sync [2022-07-12 12:15:33,657 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-07-12 12:15:33,658 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-07-12 12:15:33,658 INFO L130 BoogieDeclarations]: Found specification of procedure radeonfb_pm_init [2022-07-12 12:15:33,658 INFO L138 BoogieDeclarations]: Found implementation of procedure radeonfb_pm_init [2022-07-12 12:15:33,658 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_bl_get_brightness [2022-07-12 12:15:33,658 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_bl_get_brightness [2022-07-12 12:15:33,658 INFO L130 BoogieDeclarations]: Found specification of procedure radeonfb_engine_init [2022-07-12 12:15:33,658 INFO L138 BoogieDeclarations]: Found implementation of procedure radeonfb_engine_init [2022-07-12 12:15:33,658 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_update_lock_of_backlight_device [2022-07-12 12:15:33,659 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_update_lock_of_backlight_device [2022-07-12 12:15:33,659 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-12 12:15:33,659 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-12 12:15:33,659 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-07-12 12:15:33,659 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-07-12 12:15:33,659 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap [2022-07-12 12:15:33,659 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap [2022-07-12 12:15:33,660 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_engine_flush [2022-07-12 12:15:33,660 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_engine_flush [2022-07-12 12:15:33,660 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_screen_blank [2022-07-12 12:15:33,660 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_screen_blank [2022-07-12 12:15:33,660 INFO L130 BoogieDeclarations]: Found specification of procedure fb_dealloc_cmap [2022-07-12 12:15:33,660 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_dealloc_cmap [2022-07-12 12:15:33,660 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-12 12:15:33,660 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2022-07-12 12:15:33,661 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2022-07-12 12:15:33,661 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_unmap_ROM [2022-07-12 12:15:33,661 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_unmap_ROM [2022-07-12 12:15:33,661 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2022-07-12 12:15:33,661 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2022-07-12 12:15:33,661 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-12 12:15:33,661 INFO L130 BoogieDeclarations]: Found specification of procedure radeonfb_set_par [2022-07-12 12:15:33,661 INFO L138 BoogieDeclarations]: Found implementation of procedure radeonfb_set_par [2022-07-12 12:15:33,662 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2022-07-12 12:15:33,662 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2022-07-12 12:15:33,662 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_set_suspend [2022-07-12 12:15:33,662 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_set_suspend [2022-07-12 12:15:33,662 INFO L130 BoogieDeclarations]: Found specification of procedure _radeon_fifo_wait [2022-07-12 12:15:33,662 INFO L138 BoogieDeclarations]: Found implementation of procedure _radeon_fifo_wait [2022-07-12 12:15:33,662 INFO L130 BoogieDeclarations]: Found specification of procedure do_gettimeofday [2022-07-12 12:15:33,663 INFO L138 BoogieDeclarations]: Found implementation of procedure do_gettimeofday [2022-07-12 12:15:33,663 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-07-12 12:15:33,663 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-07-12 12:15:33,663 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_pm_save_regs [2022-07-12 12:15:33,663 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_pm_save_regs [2022-07-12 12:15:33,663 INFO L130 BoogieDeclarations]: Found specification of procedure radeonfb_pci_resume [2022-07-12 12:15:33,663 INFO L138 BoogieDeclarations]: Found implementation of procedure radeonfb_pci_resume [2022-07-12 12:15:33,663 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-07-12 12:15:33,664 INFO L130 BoogieDeclarations]: Found specification of procedure pci_save_state [2022-07-12 12:15:33,664 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_save_state [2022-07-12 12:15:33,664 INFO L130 BoogieDeclarations]: Found specification of procedure bl_get_data [2022-07-12 12:15:33,664 INFO L138 BoogieDeclarations]: Found implementation of procedure bl_get_data [2022-07-12 12:15:33,664 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2022-07-12 12:15:33,664 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2022-07-12 12:15:33,664 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-07-12 12:15:33,664 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_pm_enable_dll [2022-07-12 12:15:33,665 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_pm_enable_dll [2022-07-12 12:15:33,665 INFO L130 BoogieDeclarations]: Found specification of procedure fb_destroy_modedb [2022-07-12 12:15:33,665 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_destroy_modedb [2022-07-12 12:15:33,665 INFO L130 BoogieDeclarations]: Found specification of procedure radeonfb_pci_unregister [2022-07-12 12:15:33,665 INFO L138 BoogieDeclarations]: Found implementation of procedure radeonfb_pci_unregister [2022-07-12 12:15:33,665 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-12 12:15:33,665 INFO L130 BoogieDeclarations]: Found specification of procedure __INPLL [2022-07-12 12:15:33,665 INFO L138 BoogieDeclarations]: Found implementation of procedure __INPLL [2022-07-12 12:15:33,666 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_get_dstbpp [2022-07-12 12:15:33,666 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_get_dstbpp [2022-07-12 12:15:33,666 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2022-07-12 12:15:33,666 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2022-07-12 12:15:33,666 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_pm_full_reset_sdram [2022-07-12 12:15:33,666 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_pm_full_reset_sdram [2022-07-12 12:15:33,666 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-12 12:15:33,666 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-12 12:15:33,667 INFO L130 BoogieDeclarations]: Found specification of procedure _radeon_engine_idle [2022-07-12 12:15:33,667 INFO L138 BoogieDeclarations]: Found implementation of procedure _radeon_engine_idle [2022-07-12 12:15:33,667 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_get_mon_name [2022-07-12 12:15:33,667 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_get_mon_name [2022-07-12 12:15:33,667 INFO L130 BoogieDeclarations]: Found specification of procedure radeonfb_sync [2022-07-12 12:15:33,667 INFO L138 BoogieDeclarations]: Found implementation of procedure radeonfb_sync [2022-07-12 12:15:33,667 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_pm_program_mode_reg [2022-07-12 12:15:33,668 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_pm_program_mode_reg [2022-07-12 12:15:33,668 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-12 12:15:33,668 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-12 12:15:33,668 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_show_one_edid [2022-07-12 12:15:33,668 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_show_one_edid [2022-07-12 12:15:33,668 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_write_mode [2022-07-12 12:15:33,668 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_write_mode [2022-07-12 12:15:33,668 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-12 12:15:33,669 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-07-12 12:15:33,669 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-07-12 12:15:33,669 INFO L130 BoogieDeclarations]: Found specification of procedure _radeon_msleep [2022-07-12 12:15:33,669 INFO L138 BoogieDeclarations]: Found implementation of procedure _radeon_msleep [2022-07-12 12:15:33,669 INFO L130 BoogieDeclarations]: Found specification of procedure INMC [2022-07-12 12:15:33,669 INFO L138 BoogieDeclarations]: Found implementation of procedure INMC [2022-07-12 12:15:33,669 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-12 12:15:33,669 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-12 12:15:33,670 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_bl_get_level_brightness [2022-07-12 12:15:33,670 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_bl_get_level_brightness [2022-07-12 12:15:33,670 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_map_ROM [2022-07-12 12:15:33,670 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_map_ROM [2022-07-12 12:15:33,670 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-12 12:15:33,670 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_update_lock_of_backlight_device [2022-07-12 12:15:33,670 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_update_lock_of_backlight_device [2022-07-12 12:15:33,671 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-12 12:15:33,671 INFO L130 BoogieDeclarations]: Found specification of procedure pci_request_region [2022-07-12 12:15:33,671 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_request_region [2022-07-12 12:15:33,671 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-07-12 12:15:33,671 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-07-12 12:15:33,671 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-12 12:15:33,671 INFO L130 BoogieDeclarations]: Found specification of procedure fb_find_mode [2022-07-12 12:15:33,671 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_find_mode [2022-07-12 12:15:33,672 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_setcolreg [2022-07-12 12:15:33,672 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_setcolreg [2022-07-12 12:15:33,672 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_pll_errata_after_data [2022-07-12 12:15:33,672 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_pll_errata_after_data [2022-07-12 12:15:33,672 INFO L130 BoogieDeclarations]: Found specification of procedure console_lock [2022-07-12 12:15:33,672 INFO L138 BoogieDeclarations]: Found implementation of procedure console_lock [2022-07-12 12:15:33,672 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_pm_restore_regs [2022-07-12 12:15:33,672 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_pm_restore_regs [2022-07-12 12:15:33,673 INFO L130 BoogieDeclarations]: Found specification of procedure console_unlock [2022-07-12 12:15:33,673 INFO L138 BoogieDeclarations]: Found implementation of procedure console_unlock [2022-07-12 12:15:33,673 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2022-07-12 12:15:33,673 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2022-07-12 12:15:33,673 INFO L130 BoogieDeclarations]: Found specification of procedure OUTMC [2022-07-12 12:15:33,673 INFO L138 BoogieDeclarations]: Found implementation of procedure OUTMC [2022-07-12 12:15:33,673 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2022-07-12 12:15:33,673 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2022-07-12 12:15:33,673 INFO L130 BoogieDeclarations]: Found specification of procedure round_div [2022-07-12 12:15:33,674 INFO L138 BoogieDeclarations]: Found implementation of procedure round_div [2022-07-12 12:15:33,674 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_pm_disable_dynamic_mode [2022-07-12 12:15:33,674 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_pm_disable_dynamic_mode [2022-07-12 12:15:33,674 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2022-07-12 12:15:33,674 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2022-07-12 12:15:33,674 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_del_adapter [2022-07-12 12:15:33,674 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_del_adapter [2022-07-12 12:15:33,675 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_pll_errata_after_index [2022-07-12 12:15:33,675 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_pll_errata_after_index [2022-07-12 12:15:33,675 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2022-07-12 12:15:33,675 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2022-07-12 12:15:33,675 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_bl_update_status [2022-07-12 12:15:33,675 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_bl_update_status [2022-07-12 12:15:33,675 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-12 12:15:33,676 INFO L130 BoogieDeclarations]: Found specification of procedure writeb [2022-07-12 12:15:33,676 INFO L138 BoogieDeclarations]: Found implementation of procedure writeb [2022-07-12 12:15:33,676 INFO L130 BoogieDeclarations]: Found specification of procedure radeonfb_engine_reset [2022-07-12 12:15:33,676 INFO L138 BoogieDeclarations]: Found implementation of procedure radeonfb_engine_reset [2022-07-12 12:15:33,676 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_remove_bin_file [2022-07-12 12:15:33,676 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_remove_bin_file [2022-07-12 12:15:33,676 INFO L130 BoogieDeclarations]: Found specification of procedure readb [2022-07-12 12:15:33,677 INFO L138 BoogieDeclarations]: Found implementation of procedure readb [2022-07-12 12:15:33,677 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-12 12:15:33,677 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-12 12:15:34,693 INFO L234 CfgBuilder]: Building ICFG [2022-07-12 12:15:34,696 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-12 12:15:55,353 INFO L275 CfgBuilder]: Performing block encoding [2022-07-12 12:15:55,384 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-12 12:15:55,384 INFO L299 CfgBuilder]: Removed 36 assume(true) statements. [2022-07-12 12:15:55,390 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.07 12:15:55 BoogieIcfgContainer [2022-07-12 12:15:55,391 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-12 12:15:55,393 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-12 12:15:55,393 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-12 12:15:55,396 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-12 12:15:55,396 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.07 12:15:28" (1/3) ... [2022-07-12 12:15:55,397 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8b6e27e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.07 12:15:55, skipping insertion in model container [2022-07-12 12:15:55,397 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 12:15:31" (2/3) ... [2022-07-12 12:15:55,397 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8b6e27e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.07 12:15:55, skipping insertion in model container [2022-07-12 12:15:55,398 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.07 12:15:55" (3/3) ... [2022-07-12 12:15:55,399 INFO L111 eAbstractionObserver]: Analyzing ICFG 32_7a_cilled_linux-3.8-rc1-drivers--video--aty--radeonfb.ko-main.cil.out.i [2022-07-12 12:15:55,412 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-12 12:15:55,412 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-12 12:15:55,538 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-12 12:15:55,542 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@12a15485, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@44cbd6d8 [2022-07-12 12:15:55,543 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-12 12:15:55,559 INFO L276 IsEmpty]: Start isEmpty. Operand has 5143 states, 3686 states have (on average 1.4628323385784048) internal successors, (5392), 3807 states have internal predecessors, (5392), 1400 states have call successors, (1400), 91 states have call predecessors, (1400), 91 states have return successors, (1400), 1386 states have call predecessors, (1400), 1400 states have call successors, (1400) [2022-07-12 12:15:55,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-07-12 12:15:55,567 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 12:15:55,568 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 12:15:55,569 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 12:15:55,573 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 12:15:55,574 INFO L85 PathProgramCache]: Analyzing trace with hash -781481802, now seen corresponding path program 1 times [2022-07-12 12:15:55,579 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 12:15:55,580 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2116419998] [2022-07-12 12:15:55,580 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 12:15:55,581 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 12:15:55,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:15:56,135 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 12:15:56,136 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 12:15:56,136 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2116419998] [2022-07-12 12:15:56,137 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2116419998] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 12:15:56,137 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 12:15:56,137 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-12 12:15:56,138 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1893894180] [2022-07-12 12:15:56,139 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 12:15:56,141 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-12 12:15:56,142 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 12:15:56,173 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-12 12:15:56,174 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 12:15:56,190 INFO L87 Difference]: Start difference. First operand has 5143 states, 3686 states have (on average 1.4628323385784048) internal successors, (5392), 3807 states have internal predecessors, (5392), 1400 states have call successors, (1400), 91 states have call predecessors, (1400), 91 states have return successors, (1400), 1386 states have call predecessors, (1400), 1400 states have call successors, (1400) Second operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 12:15:56,800 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 12:15:56,800 INFO L93 Difference]: Finished difference Result 15183 states and 25058 transitions. [2022-07-12 12:15:56,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-12 12:15:56,806 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2022-07-12 12:15:56,806 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 12:15:56,906 INFO L225 Difference]: With dead ends: 15183 [2022-07-12 12:15:56,907 INFO L226 Difference]: Without dead ends: 10035 [2022-07-12 12:15:56,967 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 12:15:56,971 INFO L413 NwaCegarLoop]: 8819 mSDtfsCounter, 7382 mSDsluCounter, 7403 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7382 SdHoareTripleChecker+Valid, 16222 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-12 12:15:56,972 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7382 Valid, 16222 Invalid, 16 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-12 12:15:57,000 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10035 states. [2022-07-12 12:15:57,681 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10035 to 10031. [2022-07-12 12:15:57,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10031 states, 7129 states have (on average 1.3119652125122738) internal successors, (9353), 7299 states have internal predecessors, (9353), 2721 states have call successors, (2721), 181 states have call predecessors, (2721), 180 states have return successors, (2714), 2686 states have call predecessors, (2714), 2714 states have call successors, (2714) [2022-07-12 12:15:57,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10031 states to 10031 states and 14788 transitions. [2022-07-12 12:15:57,784 INFO L78 Accepts]: Start accepts. Automaton has 10031 states and 14788 transitions. Word has length 16 [2022-07-12 12:15:57,784 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 12:15:57,785 INFO L495 AbstractCegarLoop]: Abstraction has 10031 states and 14788 transitions. [2022-07-12 12:15:57,786 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 12:15:57,786 INFO L276 IsEmpty]: Start isEmpty. Operand 10031 states and 14788 transitions. [2022-07-12 12:15:57,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-07-12 12:15:57,794 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 12:15:57,794 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 12:15:57,794 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-12 12:15:57,794 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 12:15:57,795 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 12:15:57,796 INFO L85 PathProgramCache]: Analyzing trace with hash -1083818242, now seen corresponding path program 1 times [2022-07-12 12:15:57,796 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 12:15:57,796 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [236885159] [2022-07-12 12:15:57,796 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 12:15:57,796 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 12:15:57,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:15:58,049 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 12:15:58,050 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 12:15:58,050 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [236885159] [2022-07-12 12:15:58,050 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [236885159] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 12:15:58,051 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 12:15:58,051 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-12 12:15:58,051 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1399844822] [2022-07-12 12:15:58,051 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 12:15:58,052 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-12 12:15:58,052 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 12:15:58,053 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-12 12:15:58,056 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 12:15:58,056 INFO L87 Difference]: Start difference. First operand 10031 states and 14788 transitions. Second operand has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 12:15:58,306 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 12:15:58,307 INFO L93 Difference]: Finished difference Result 10057 states and 14820 transitions. [2022-07-12 12:15:58,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-12 12:15:58,307 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2022-07-12 12:15:58,308 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 12:15:58,376 INFO L225 Difference]: With dead ends: 10057 [2022-07-12 12:15:58,376 INFO L226 Difference]: Without dead ends: 10044 [2022-07-12 12:15:58,390 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 12:15:58,392 INFO L413 NwaCegarLoop]: 7424 mSDtfsCounter, 7404 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7404 SdHoareTripleChecker+Valid, 7440 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-12 12:15:58,392 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7404 Valid, 7440 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-12 12:15:58,405 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10044 states. [2022-07-12 12:15:58,939 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10044 to 10031. [2022-07-12 12:15:58,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10031 states, 7129 states have (on average 1.3118249403843456) internal successors, (9352), 7299 states have internal predecessors, (9352), 2721 states have call successors, (2721), 181 states have call predecessors, (2721), 180 states have return successors, (2714), 2686 states have call predecessors, (2714), 2714 states have call successors, (2714) [2022-07-12 12:15:59,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10031 states to 10031 states and 14787 transitions. [2022-07-12 12:15:59,007 INFO L78 Accepts]: Start accepts. Automaton has 10031 states and 14787 transitions. Word has length 19 [2022-07-12 12:15:59,007 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 12:15:59,007 INFO L495 AbstractCegarLoop]: Abstraction has 10031 states and 14787 transitions. [2022-07-12 12:15:59,007 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 12:15:59,008 INFO L276 IsEmpty]: Start isEmpty. Operand 10031 states and 14787 transitions. [2022-07-12 12:15:59,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-07-12 12:15:59,009 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 12:15:59,009 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 12:15:59,010 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-12 12:15:59,010 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 12:15:59,010 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 12:15:59,010 INFO L85 PathProgramCache]: Analyzing trace with hash -1026559940, now seen corresponding path program 1 times [2022-07-12 12:15:59,010 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 12:15:59,011 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1116725585] [2022-07-12 12:15:59,011 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 12:15:59,011 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 12:15:59,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:15:59,247 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 12:15:59,247 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 12:15:59,247 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1116725585] [2022-07-12 12:15:59,248 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1116725585] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 12:15:59,249 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 12:15:59,249 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-12 12:15:59,249 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1239015401] [2022-07-12 12:15:59,249 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 12:15:59,250 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-12 12:15:59,250 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 12:15:59,250 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-12 12:15:59,250 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 12:15:59,251 INFO L87 Difference]: Start difference. First operand 10031 states and 14787 transitions. Second operand has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 12:15:59,487 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 12:15:59,487 INFO L93 Difference]: Finished difference Result 10033 states and 14788 transitions. [2022-07-12 12:15:59,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-12 12:15:59,488 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2022-07-12 12:15:59,488 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 12:15:59,556 INFO L225 Difference]: With dead ends: 10033 [2022-07-12 12:15:59,556 INFO L226 Difference]: Without dead ends: 10030 [2022-07-12 12:15:59,567 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 12:15:59,571 INFO L413 NwaCegarLoop]: 7406 mSDtfsCounter, 7391 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7391 SdHoareTripleChecker+Valid, 7406 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-12 12:15:59,572 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7391 Valid, 7406 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-12 12:15:59,585 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10030 states. [2022-07-12 12:15:59,968 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10030 to 10030. [2022-07-12 12:15:59,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10030 states, 7129 states have (on average 1.3116846682564174) internal successors, (9351), 7298 states have internal predecessors, (9351), 2720 states have call successors, (2720), 181 states have call predecessors, (2720), 180 states have return successors, (2714), 2686 states have call predecessors, (2714), 2714 states have call successors, (2714) [2022-07-12 12:16:00,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10030 states to 10030 states and 14785 transitions. [2022-07-12 12:16:00,043 INFO L78 Accepts]: Start accepts. Automaton has 10030 states and 14785 transitions. Word has length 19 [2022-07-12 12:16:00,043 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 12:16:00,043 INFO L495 AbstractCegarLoop]: Abstraction has 10030 states and 14785 transitions. [2022-07-12 12:16:00,044 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 12:16:00,044 INFO L276 IsEmpty]: Start isEmpty. Operand 10030 states and 14785 transitions. [2022-07-12 12:16:00,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-07-12 12:16:00,046 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 12:16:00,046 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 12:16:00,046 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-12 12:16:00,046 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 12:16:00,046 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 12:16:00,047 INFO L85 PathProgramCache]: Analyzing trace with hash -1760930420, now seen corresponding path program 1 times [2022-07-12 12:16:00,047 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 12:16:00,047 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1413972592] [2022-07-12 12:16:00,047 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 12:16:00,048 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 12:16:00,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:16:00,254 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 12:16:00,255 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 12:16:00,255 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1413972592] [2022-07-12 12:16:00,255 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1413972592] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 12:16:00,255 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 12:16:00,255 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-12 12:16:00,255 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1597468387] [2022-07-12 12:16:00,255 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 12:16:00,256 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-12 12:16:00,256 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 12:16:00,256 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-12 12:16:00,258 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 12:16:00,259 INFO L87 Difference]: Start difference. First operand 10030 states and 14785 transitions. Second operand has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 12:16:00,592 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 12:16:00,593 INFO L93 Difference]: Finished difference Result 10032 states and 14786 transitions. [2022-07-12 12:16:00,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-12 12:16:00,608 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 20 [2022-07-12 12:16:00,608 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 12:16:00,660 INFO L225 Difference]: With dead ends: 10032 [2022-07-12 12:16:00,660 INFO L226 Difference]: Without dead ends: 10029 [2022-07-12 12:16:00,668 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 12:16:00,669 INFO L413 NwaCegarLoop]: 7404 mSDtfsCounter, 7388 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7388 SdHoareTripleChecker+Valid, 7404 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-12 12:16:00,669 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7388 Valid, 7404 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-12 12:16:00,684 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10029 states. [2022-07-12 12:16:01,182 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10029 to 10029. [2022-07-12 12:16:01,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10029 states, 7129 states have (on average 1.3115443961284892) internal successors, (9350), 7297 states have internal predecessors, (9350), 2719 states have call successors, (2719), 181 states have call predecessors, (2719), 180 states have return successors, (2714), 2686 states have call predecessors, (2714), 2714 states have call successors, (2714) [2022-07-12 12:16:01,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10029 states to 10029 states and 14783 transitions. [2022-07-12 12:16:01,247 INFO L78 Accepts]: Start accepts. Automaton has 10029 states and 14783 transitions. Word has length 20 [2022-07-12 12:16:01,248 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 12:16:01,248 INFO L495 AbstractCegarLoop]: Abstraction has 10029 states and 14783 transitions. [2022-07-12 12:16:01,248 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 12:16:01,248 INFO L276 IsEmpty]: Start isEmpty. Operand 10029 states and 14783 transitions. [2022-07-12 12:16:01,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-07-12 12:16:01,249 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 12:16:01,249 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 12:16:01,249 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-07-12 12:16:01,250 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 12:16:01,250 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 12:16:01,250 INFO L85 PathProgramCache]: Analyzing trace with hash 1243393343, now seen corresponding path program 1 times [2022-07-12 12:16:01,250 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 12:16:01,250 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [660762294] [2022-07-12 12:16:01,251 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 12:16:01,251 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 12:16:01,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:16:01,461 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 12:16:01,462 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 12:16:01,462 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [660762294] [2022-07-12 12:16:01,463 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [660762294] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 12:16:01,463 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 12:16:01,464 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-12 12:16:01,464 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2143102564] [2022-07-12 12:16:01,464 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 12:16:01,465 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-12 12:16:01,465 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 12:16:01,465 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-12 12:16:01,465 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 12:16:01,466 INFO L87 Difference]: Start difference. First operand 10029 states and 14783 transitions. Second operand has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 12:16:01,802 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 12:16:01,808 INFO L93 Difference]: Finished difference Result 10031 states and 14784 transitions. [2022-07-12 12:16:01,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-12 12:16:01,809 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 21 [2022-07-12 12:16:01,809 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 12:16:01,899 INFO L225 Difference]: With dead ends: 10031 [2022-07-12 12:16:01,899 INFO L226 Difference]: Without dead ends: 10028 [2022-07-12 12:16:01,908 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 12:16:01,909 INFO L413 NwaCegarLoop]: 7402 mSDtfsCounter, 7385 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7385 SdHoareTripleChecker+Valid, 7402 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-12 12:16:01,909 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7385 Valid, 7402 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-12 12:16:01,936 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10028 states. [2022-07-12 12:16:02,489 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10028 to 10028. [2022-07-12 12:16:02,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10028 states, 7129 states have (on average 1.3114041240005612) internal successors, (9349), 7296 states have internal predecessors, (9349), 2718 states have call successors, (2718), 181 states have call predecessors, (2718), 180 states have return successors, (2714), 2686 states have call predecessors, (2714), 2714 states have call successors, (2714) [2022-07-12 12:16:02,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10028 states to 10028 states and 14781 transitions. [2022-07-12 12:16:02,560 INFO L78 Accepts]: Start accepts. Automaton has 10028 states and 14781 transitions. Word has length 21 [2022-07-12 12:16:02,561 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 12:16:02,561 INFO L495 AbstractCegarLoop]: Abstraction has 10028 states and 14781 transitions. [2022-07-12 12:16:02,561 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 12:16:02,561 INFO L276 IsEmpty]: Start isEmpty. Operand 10028 states and 14781 transitions. [2022-07-12 12:16:02,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-07-12 12:16:02,563 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 12:16:02,563 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 12:16:02,563 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-07-12 12:16:02,564 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 12:16:02,564 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 12:16:02,564 INFO L85 PathProgramCache]: Analyzing trace with hash -111845649, now seen corresponding path program 1 times [2022-07-12 12:16:02,564 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 12:16:02,564 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1951647964] [2022-07-12 12:16:02,565 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 12:16:02,565 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 12:16:02,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:16:02,796 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 12:16:02,797 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 12:16:02,797 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1951647964] [2022-07-12 12:16:02,797 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1951647964] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 12:16:02,797 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 12:16:02,797 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-12 12:16:02,798 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1022759800] [2022-07-12 12:16:02,798 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 12:16:02,798 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-12 12:16:02,798 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 12:16:02,799 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-12 12:16:02,799 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 12:16:02,799 INFO L87 Difference]: Start difference. First operand 10028 states and 14781 transitions. Second operand has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 12:16:03,162 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 12:16:03,162 INFO L93 Difference]: Finished difference Result 10030 states and 14782 transitions. [2022-07-12 12:16:03,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-12 12:16:03,163 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 22 [2022-07-12 12:16:03,163 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 12:16:03,209 INFO L225 Difference]: With dead ends: 10030 [2022-07-12 12:16:03,209 INFO L226 Difference]: Without dead ends: 10027 [2022-07-12 12:16:03,214 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 12:16:03,216 INFO L413 NwaCegarLoop]: 7400 mSDtfsCounter, 7382 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7382 SdHoareTripleChecker+Valid, 7400 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-12 12:16:03,217 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7382 Valid, 7400 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-12 12:16:03,230 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10027 states. [2022-07-12 12:16:03,722 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10027 to 10027. [2022-07-12 12:16:03,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10027 states, 7129 states have (on average 1.311263851872633) internal successors, (9348), 7295 states have internal predecessors, (9348), 2717 states have call successors, (2717), 181 states have call predecessors, (2717), 180 states have return successors, (2714), 2686 states have call predecessors, (2714), 2714 states have call successors, (2714) [2022-07-12 12:16:03,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10027 states to 10027 states and 14779 transitions. [2022-07-12 12:16:03,795 INFO L78 Accepts]: Start accepts. Automaton has 10027 states and 14779 transitions. Word has length 22 [2022-07-12 12:16:03,796 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 12:16:03,796 INFO L495 AbstractCegarLoop]: Abstraction has 10027 states and 14779 transitions. [2022-07-12 12:16:03,796 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 12:16:03,796 INFO L276 IsEmpty]: Start isEmpty. Operand 10027 states and 14779 transitions. [2022-07-12 12:16:03,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-07-12 12:16:03,798 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 12:16:03,798 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 12:16:03,798 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-07-12 12:16:03,798 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 12:16:03,799 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 12:16:03,799 INFO L85 PathProgramCache]: Analyzing trace with hash 825423426, now seen corresponding path program 1 times [2022-07-12 12:16:03,799 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 12:16:03,799 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1732963522] [2022-07-12 12:16:03,799 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 12:16:03,800 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 12:16:03,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:16:04,031 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-12 12:16:04,032 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 12:16:04,032 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1732963522] [2022-07-12 12:16:04,032 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1732963522] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 12:16:04,032 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 12:16:04,032 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-12 12:16:04,033 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1578161985] [2022-07-12 12:16:04,033 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 12:16:04,033 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-12 12:16:04,033 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 12:16:04,034 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-12 12:16:04,034 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 12:16:04,034 INFO L87 Difference]: Start difference. First operand 10027 states and 14779 transitions. Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 12:16:04,455 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 12:16:04,455 INFO L93 Difference]: Finished difference Result 16253 states and 23832 transitions. [2022-07-12 12:16:04,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-12 12:16:04,456 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 23 [2022-07-12 12:16:04,456 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 12:16:04,544 INFO L225 Difference]: With dead ends: 16253 [2022-07-12 12:16:04,545 INFO L226 Difference]: Without dead ends: 16241 [2022-07-12 12:16:04,561 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 12:16:04,562 INFO L413 NwaCegarLoop]: 8332 mSDtfsCounter, 7320 mSDsluCounter, 4579 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7320 SdHoareTripleChecker+Valid, 12911 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-12 12:16:04,562 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7320 Valid, 12911 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-12 12:16:04,579 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16241 states. [2022-07-12 12:16:05,801 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16241 to 16241. [2022-07-12 12:16:05,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16241 states, 11341 states have (on average 1.29124415836346) internal successors, (14644), 11631 states have internal predecessors, (14644), 4587 states have call successors, (4587), 313 states have call predecessors, (4587), 312 states have return successors, (4586), 4532 states have call predecessors, (4586), 4586 states have call successors, (4586) [2022-07-12 12:16:05,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16241 states to 16241 states and 23817 transitions. [2022-07-12 12:16:05,907 INFO L78 Accepts]: Start accepts. Automaton has 16241 states and 23817 transitions. Word has length 23 [2022-07-12 12:16:05,909 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 12:16:05,909 INFO L495 AbstractCegarLoop]: Abstraction has 16241 states and 23817 transitions. [2022-07-12 12:16:05,910 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-12 12:16:05,910 INFO L276 IsEmpty]: Start isEmpty. Operand 16241 states and 23817 transitions. [2022-07-12 12:16:05,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 816 [2022-07-12 12:16:05,994 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 12:16:05,995 INFO L195 NwaCegarLoop]: trace histogram [45, 45, 8, 8, 7, 7, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 12:16:05,996 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-07-12 12:16:05,996 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 12:16:05,996 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 12:16:05,997 INFO L85 PathProgramCache]: Analyzing trace with hash -1985306989, now seen corresponding path program 1 times [2022-07-12 12:16:05,997 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 12:16:05,997 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2066188587] [2022-07-12 12:16:05,997 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 12:16:05,997 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 12:16:06,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:16:06,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-12 12:16:06,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:16:06,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-07-12 12:16:06,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:16:06,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-07-12 12:16:06,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:16:06,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-07-12 12:16:06,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:16:06,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-07-12 12:16:06,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:16:06,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-07-12 12:16:06,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:16:06,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 12:16:06,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:16:06,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-07-12 12:16:06,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:16:06,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-07-12 12:16:06,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:16:06,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2022-07-12 12:16:06,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:16:06,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2022-07-12 12:16:06,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:16:06,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-07-12 12:16:06,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:16:06,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 12:16:06,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:16:06,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-07-12 12:16:06,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:16:06,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2022-07-12 12:16:06,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:16:06,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 12:16:06,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:16:06,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 12:16:06,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:16:06,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-12 12:16:06,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:16:06,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-12 12:16:06,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:16:06,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2022-07-12 12:16:06,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:16:06,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2022-07-12 12:16:06,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:16:06,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-07-12 12:16:06,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:16:06,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2022-07-12 12:16:06,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:16:06,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2022-07-12 12:16:06,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:16:06,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 12:16:06,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:16:06,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-12 12:16:06,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:16:06,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-07-12 12:16:06,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:16:06,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-12 12:16:06,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:16:06,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-12 12:16:06,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:16:06,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-12 12:16:06,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:16:06,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-07-12 12:16:06,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:16:06,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-07-12 12:16:06,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:16:06,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2022-07-12 12:16:07,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:16:07,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 12:16:07,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:16:07,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-12 12:16:07,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:16:07,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-07-12 12:16:07,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:16:07,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-12 12:16:07,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:16:07,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-12 12:16:07,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:16:07,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-12 12:16:07,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:16:07,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-07-12 12:16:07,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:16:07,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-07-12 12:16:07,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:16:07,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2022-07-12 12:16:07,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:16:07,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 12:16:07,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:16:07,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-12 12:16:07,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:16:07,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-07-12 12:16:07,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:16:07,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-12 12:16:07,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:16:07,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-12 12:16:07,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:16:07,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-12 12:16:07,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:16:07,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-07-12 12:16:07,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:16:07,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-07-12 12:16:07,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:16:07,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 406 [2022-07-12 12:16:07,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:16:07,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 12:16:07,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:16:07,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-12 12:16:07,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:16:07,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-07-12 12:16:07,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:16:07,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-12 12:16:07,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:16:07,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-12 12:16:07,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:16:07,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-12 12:16:07,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:16:07,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-07-12 12:16:07,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:16:07,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-07-12 12:16:07,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:16:07,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 474 [2022-07-12 12:16:07,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:16:07,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 485 [2022-07-12 12:16:07,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:16:07,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 525 [2022-07-12 12:16:07,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:16:07,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 530 [2022-07-12 12:16:07,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:16:07,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 535 [2022-07-12 12:16:07,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:16:07,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 540 [2022-07-12 12:16:07,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:16:07,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 545 [2022-07-12 12:16:07,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:16:07,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 550 [2022-07-12 12:16:07,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:16:07,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 555 [2022-07-12 12:16:07,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:16:07,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 560 [2022-07-12 12:16:07,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:16:07,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 565 [2022-07-12 12:16:07,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:16:07,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 570 [2022-07-12 12:16:07,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:16:07,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 575 [2022-07-12 12:16:07,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:16:07,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 580 [2022-07-12 12:16:07,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:16:07,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 585 [2022-07-12 12:16:07,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:16:07,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 590 [2022-07-12 12:16:07,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:16:07,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 595 [2022-07-12 12:16:07,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:16:07,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 600 [2022-07-12 12:16:07,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:16:07,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 605 [2022-07-12 12:16:07,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:16:07,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 610 [2022-07-12 12:16:07,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:16:07,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 615 [2022-07-12 12:16:07,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:16:07,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 620 [2022-07-12 12:16:07,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:16:07,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 625 [2022-07-12 12:16:07,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:16:07,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 630 [2022-07-12 12:16:07,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:16:07,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 12:16:07,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:16:07,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 12:16:07,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:16:07,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-12 12:16:07,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:16:07,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-12 12:16:07,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:16:07,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 659 [2022-07-12 12:16:07,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:16:07,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 664 [2022-07-12 12:16:07,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:16:07,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 669 [2022-07-12 12:16:07,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:16:07,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 12:16:07,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:16:07,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 12:16:07,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:16:07,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-12 12:16:07,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:16:07,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-12 12:16:07,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:16:07,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 698 [2022-07-12 12:16:07,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:16:07,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 12:16:07,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:16:07,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 12:16:07,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:16:07,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-12 12:16:07,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:16:07,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-12 12:16:07,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:16:07,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 729 [2022-07-12 12:16:07,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:16:07,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 737 [2022-07-12 12:16:07,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:16:07,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 749 [2022-07-12 12:16:07,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:16:07,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 760 [2022-07-12 12:16:07,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:16:07,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 12:16:07,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:16:07,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 775 [2022-07-12 12:16:07,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:16:07,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 782 [2022-07-12 12:16:07,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:16:07,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 796 [2022-07-12 12:16:07,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:16:07,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 802 [2022-07-12 12:16:07,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:16:08,001 INFO L134 CoverageAnalysis]: Checked inductivity of 3563 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3563 trivial. 0 not checked. [2022-07-12 12:16:08,002 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 12:16:08,002 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2066188587] [2022-07-12 12:16:08,002 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2066188587] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 12:16:08,002 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 12:16:08,002 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-07-12 12:16:08,003 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [621644992] [2022-07-12 12:16:08,003 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 12:16:08,004 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-12 12:16:08,004 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 12:16:08,005 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-12 12:16:08,005 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-07-12 12:16:08,005 INFO L87 Difference]: Start difference. First operand 16241 states and 23817 transitions. Second operand has 9 states, 9 states have (on average 36.888888888888886) internal successors, (332), 3 states have internal predecessors, (332), 2 states have call successors, (73), 8 states have call predecessors, (73), 1 states have return successors, (71), 2 states have call predecessors, (71), 2 states have call successors, (71) [2022-07-12 12:16:13,196 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 12:16:14,456 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.26s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 12:16:15,701 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.24s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 12:16:17,318 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.60s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 12:16:19,572 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 12:16:30,229 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-07-12 12:16:39,976 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.90s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 12:16:41,063 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 12:16:42,259 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 12:16:45,325 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-07-12 12:16:48,144 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 12:16:55,907 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 12:16:56,990 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 12:16:59,031 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 12:17:00,687 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.60s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 12:17:02,739 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 12:17:47,094 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 12:17:49,123 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 12:17:51,148 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 12:17:53,188 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 12:17:57,375 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-07-12 12:17:59,414 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-07-12 12:18:00,716 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.30s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-07-12 12:18:02,827 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-07-12 12:19:08,314 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 12:19:08,314 INFO L93 Difference]: Finished difference Result 50919 states and 78478 transitions. [2022-07-12 12:19:08,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-07-12 12:19:08,315 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 36.888888888888886) internal successors, (332), 3 states have internal predecessors, (332), 2 states have call successors, (73), 8 states have call predecessors, (73), 1 states have return successors, (71), 2 states have call predecessors, (71), 2 states have call successors, (71) Word has length 815 [2022-07-12 12:19:08,315 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 12:19:08,540 INFO L225 Difference]: With dead ends: 50919 [2022-07-12 12:19:08,541 INFO L226 Difference]: Without dead ends: 34681 [2022-07-12 12:19:08,625 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 247 GetRequests, 223 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 156 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=177, Invalid=473, Unknown=0, NotChecked=0, Total=650 [2022-07-12 12:19:08,626 INFO L413 NwaCegarLoop]: 8225 mSDtfsCounter, 14736 mSDsluCounter, 10441 mSDsCounter, 0 mSdLazyCounter, 38157 mSolverCounterSat, 14049 mSolverCounterUnsat, 13 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 165.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14978 SdHoareTripleChecker+Valid, 18666 SdHoareTripleChecker+Invalid, 52219 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.4s SdHoareTripleChecker+Time, 14049 IncrementalHoareTripleChecker+Valid, 38157 IncrementalHoareTripleChecker+Invalid, 13 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 174.9s IncrementalHoareTripleChecker+Time [2022-07-12 12:19:08,626 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [14978 Valid, 18666 Invalid, 52219 Unknown, 0 Unchecked, 0.4s Time], IncrementalHoareTripleChecker [14049 Valid, 38157 Invalid, 13 Unknown, 0 Unchecked, 174.9s Time] [2022-07-12 12:19:08,664 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34681 states. [2022-07-12 12:19:11,537 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34681 to 19073. [2022-07-12 12:19:11,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19073 states, 13511 states have (on average 1.307157131226408) internal successors, (17661), 13833 states have internal predecessors, (17661), 5161 states have call successors, (5161), 401 states have call predecessors, (5161), 400 states have return successors, (5160), 5100 states have call predecessors, (5160), 5160 states have call successors, (5160) [2022-07-12 12:19:11,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19073 states to 19073 states and 27982 transitions. [2022-07-12 12:19:11,669 INFO L78 Accepts]: Start accepts. Automaton has 19073 states and 27982 transitions. Word has length 815 [2022-07-12 12:19:11,669 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 12:19:11,670 INFO L495 AbstractCegarLoop]: Abstraction has 19073 states and 27982 transitions. [2022-07-12 12:19:11,670 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 36.888888888888886) internal successors, (332), 3 states have internal predecessors, (332), 2 states have call successors, (73), 8 states have call predecessors, (73), 1 states have return successors, (71), 2 states have call predecessors, (71), 2 states have call successors, (71) [2022-07-12 12:19:11,670 INFO L276 IsEmpty]: Start isEmpty. Operand 19073 states and 27982 transitions. [2022-07-12 12:19:11,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 828 [2022-07-12 12:19:11,767 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 12:19:11,768 INFO L195 NwaCegarLoop]: trace histogram [45, 45, 8, 8, 7, 7, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 12:19:11,768 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-07-12 12:19:11,769 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 12:19:11,769 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 12:19:11,769 INFO L85 PathProgramCache]: Analyzing trace with hash 1394582415, now seen corresponding path program 1 times [2022-07-12 12:19:11,769 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 12:19:11,769 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [643335298] [2022-07-12 12:19:11,770 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 12:19:11,770 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 12:19:12,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:19:12,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-07-12 12:19:12,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:19:12,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-12 12:19:12,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:19:12,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-07-12 12:19:12,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:19:12,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-07-12 12:19:12,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:19:12,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2022-07-12 12:19:12,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:19:12,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-07-12 12:19:12,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:19:12,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 12:19:12,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:19:12,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-07-12 12:19:12,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:19:12,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2022-07-12 12:19:12,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:19:12,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2022-07-12 12:19:12,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:19:12,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-07-12 12:19:12,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:19:12,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2022-07-12 12:19:12,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:19:12,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 12:19:12,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:19:12,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2022-07-12 12:19:12,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:19:12,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2022-07-12 12:19:12,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:19:12,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 12:19:12,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:19:12,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 12:19:12,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:19:12,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-12 12:19:12,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:19:12,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-12 12:19:12,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:19:12,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2022-07-12 12:19:12,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:19:12,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2022-07-12 12:19:12,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:19:12,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2022-07-12 12:19:12,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:19:12,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2022-07-12 12:19:12,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:19:12,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2022-07-12 12:19:12,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:19:12,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 12:19:12,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:19:12,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-12 12:19:12,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:19:12,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-07-12 12:19:12,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:19:12,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-12 12:19:12,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:19:12,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-12 12:19:12,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:19:12,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-12 12:19:12,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:19:12,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-07-12 12:19:12,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:19:12,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-07-12 12:19:12,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:19:12,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2022-07-12 12:19:12,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:19:12,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 12:19:12,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:19:12,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-12 12:19:12,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:19:12,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-07-12 12:19:12,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:19:12,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-12 12:19:12,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:19:12,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-12 12:19:12,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:19:12,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-12 12:19:12,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:19:12,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-07-12 12:19:12,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:19:12,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-07-12 12:19:12,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:19:12,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 361 [2022-07-12 12:19:13,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:19:13,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 12:19:13,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:19:13,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-12 12:19:13,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:19:13,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-07-12 12:19:13,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:19:13,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-12 12:19:13,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:19:13,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-12 12:19:13,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:19:13,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-12 12:19:13,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:19:13,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-07-12 12:19:13,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:19:13,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-07-12 12:19:13,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:19:13,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 418 [2022-07-12 12:19:13,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:19:13,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 12:19:13,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:19:13,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-12 12:19:13,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:19:13,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-07-12 12:19:13,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:19:13,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-12 12:19:13,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:19:13,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-12 12:19:13,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:19:13,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-12 12:19:13,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:19:13,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-07-12 12:19:13,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:19:13,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-07-12 12:19:13,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:19:13,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 486 [2022-07-12 12:19:13,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:19:13,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 497 [2022-07-12 12:19:13,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:19:13,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 537 [2022-07-12 12:19:13,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:19:13,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 542 [2022-07-12 12:19:13,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:19:13,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 547 [2022-07-12 12:19:13,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:19:13,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 552 [2022-07-12 12:19:13,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:19:13,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 557 [2022-07-12 12:19:13,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:19:13,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 562 [2022-07-12 12:19:13,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:19:13,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 567 [2022-07-12 12:19:13,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:19:13,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 572 [2022-07-12 12:19:13,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:19:13,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 577 [2022-07-12 12:19:13,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:19:13,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 582 [2022-07-12 12:19:13,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:19:13,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 587 [2022-07-12 12:19:13,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:19:13,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 592 [2022-07-12 12:19:13,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:19:13,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 597 [2022-07-12 12:19:13,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:19:13,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 602 [2022-07-12 12:19:13,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:19:13,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 607 [2022-07-12 12:19:13,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:19:13,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 612 [2022-07-12 12:19:13,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:19:13,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 617 [2022-07-12 12:19:13,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:19:13,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 622 [2022-07-12 12:19:13,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:19:13,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 627 [2022-07-12 12:19:13,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:19:13,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 632 [2022-07-12 12:19:13,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:19:13,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 637 [2022-07-12 12:19:13,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:19:13,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 642 [2022-07-12 12:19:13,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:19:13,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 12:19:13,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:19:13,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 12:19:13,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:19:13,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-12 12:19:13,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:19:13,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-12 12:19:13,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:19:13,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 671 [2022-07-12 12:19:13,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:19:13,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 676 [2022-07-12 12:19:13,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:19:13,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 681 [2022-07-12 12:19:13,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:19:13,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 12:19:13,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:19:13,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 12:19:13,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:19:13,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-12 12:19:13,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:19:13,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-12 12:19:13,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:19:13,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 710 [2022-07-12 12:19:13,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:19:13,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 12:19:13,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:19:13,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 12:19:13,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:19:13,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-12 12:19:13,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:19:13,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-12 12:19:13,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:19:13,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 741 [2022-07-12 12:19:13,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:19:13,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 749 [2022-07-12 12:19:13,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:19:13,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 761 [2022-07-12 12:19:13,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:19:13,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 772 [2022-07-12 12:19:13,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:19:13,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 12:19:13,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:19:13,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 787 [2022-07-12 12:19:13,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:19:13,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 794 [2022-07-12 12:19:13,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:19:13,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 808 [2022-07-12 12:19:13,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:19:13,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 814 [2022-07-12 12:19:13,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 12:19:13,890 INFO L134 CoverageAnalysis]: Checked inductivity of 3567 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3567 trivial. 0 not checked. [2022-07-12 12:19:13,890 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 12:19:13,890 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [643335298] [2022-07-12 12:19:13,890 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [643335298] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 12:19:13,890 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 12:19:13,891 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-07-12 12:19:13,891 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1972810853] [2022-07-12 12:19:13,891 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 12:19:13,892 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-12 12:19:13,892 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 12:19:13,893 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-12 12:19:13,893 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-07-12 12:19:13,893 INFO L87 Difference]: Start difference. First operand 19073 states and 27982 transitions. Second operand has 9 states, 9 states have (on average 37.888888888888886) internal successors, (341), 3 states have internal predecessors, (341), 2 states have call successors, (73), 8 states have call predecessors, (73), 1 states have return successors, (71), 2 states have call predecessors, (71), 2 states have call successors, (71) [2022-07-12 12:19:19,780 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-12 12:19:26,602 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-07-12 12:19:30,238 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 []