./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 eb692b52 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-?-eb692b5 [2022-07-19 23:17:29,893 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-19 23:17:29,913 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-19 23:17:29,944 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-19 23:17:29,944 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-19 23:17:29,945 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-19 23:17:29,946 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-19 23:17:29,947 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-19 23:17:29,948 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-19 23:17:29,949 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-19 23:17:29,949 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-19 23:17:29,950 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-19 23:17:29,950 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-19 23:17:29,951 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-19 23:17:29,952 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-19 23:17:29,952 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-19 23:17:29,953 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-19 23:17:29,953 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-19 23:17:29,954 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-19 23:17:29,956 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-19 23:17:29,956 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-19 23:17:29,957 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-19 23:17:29,958 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-19 23:17:29,958 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-19 23:17:29,959 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-19 23:17:29,962 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-19 23:17:29,962 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-19 23:17:29,962 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-19 23:17:29,963 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-19 23:17:29,963 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-19 23:17:29,964 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-19 23:17:29,966 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-19 23:17:29,967 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-19 23:17:29,967 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-19 23:17:29,968 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-19 23:17:29,968 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-19 23:17:29,970 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-19 23:17:29,971 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-19 23:17:29,971 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-19 23:17:29,971 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-19 23:17:29,972 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-19 23:17:29,972 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-19 23:17:29,973 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-19 23:17:29,986 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-19 23:17:29,990 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-19 23:17:29,990 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-19 23:17:29,990 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-19 23:17:29,991 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-19 23:17:29,991 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-19 23:17:29,991 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-19 23:17:29,992 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-19 23:17:29,992 INFO L138 SettingsManager]: * Use SBE=true [2022-07-19 23:17:29,992 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-19 23:17:29,992 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-19 23:17:29,993 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-19 23:17:29,993 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-19 23:17:29,993 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-19 23:17:29,993 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-19 23:17:29,993 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-19 23:17:29,993 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-19 23:17:29,993 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-19 23:17:29,993 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-19 23:17:29,994 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-19 23:17:29,994 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-19 23:17:29,995 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-19 23:17:29,995 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-19 23:17:29,995 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-19 23:17:29,995 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-19 23:17:29,995 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-19 23:17:29,996 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-19 23:17:29,996 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-19 23:17:29,996 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-19 23:17:29,996 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-19 23:17:29,996 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9ebc2bf251eebe5c3e705e13aaf0b2b77694b0f92422a04a1e22001ed538514b [2022-07-19 23:17:30,178 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-19 23:17:30,197 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-19 23:17:30,199 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-19 23:17:30,200 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-19 23:17:30,201 INFO L275 PluginConnector]: CDTParser initialized [2022-07-19 23:17:30,202 INFO L432 ainManager$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 [2022-07-19 23:17:30,248 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2b1bad8bb/5ca5bf546cd0404c867d96f98d361768/FLAG8617ecae0 [2022-07-19 23:17:30,900 INFO L306 CDTParser]: Found 1 translation units. [2022-07-19 23:17:30,901 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 [2022-07-19 23:17:30,942 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2b1bad8bb/5ca5bf546cd0404c867d96f98d361768/FLAG8617ecae0 [2022-07-19 23:17:31,272 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2b1bad8bb/5ca5bf546cd0404c867d96f98d361768 [2022-07-19 23:17:31,274 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-19 23:17:31,275 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-19 23:17:31,277 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-19 23:17:31,277 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-19 23:17:31,279 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-19 23:17:31,279 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.07 11:17:31" (1/1) ... [2022-07-19 23:17:31,280 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@c6a62e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:17:31, skipping insertion in model container [2022-07-19 23:17:31,281 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.07 11:17:31" (1/1) ... [2022-07-19 23:17:31,285 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-19 23:17:31,382 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-19 23:17:33,186 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] [2022-07-19 23:17:33,281 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-19 23:17:33,332 INFO L203 MainTranslator]: Completed pre-run [2022-07-19 23:17:33,656 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] [2022-07-19 23:17:33,665 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-19 23:17:33,779 INFO L208 MainTranslator]: Completed translation [2022-07-19 23:17:33,793 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:17:33 WrapperNode [2022-07-19 23:17:33,793 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-19 23:17:33,795 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-19 23:17:33,795 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-19 23:17:33,795 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-19 23:17:33,800 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:17:33" (1/1) ... [2022-07-19 23:17:33,964 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:17:33" (1/1) ... [2022-07-19 23:17:34,383 INFO L137 Inliner]: procedures = 348, calls = 6056, calls flagged for inlining = 130, calls inlined = 130, statements flattened = 13098 [2022-07-19 23:17:34,384 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-19 23:17:34,384 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-19 23:17:34,384 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-19 23:17:34,385 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-19 23:17:34,394 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:17:33" (1/1) ... [2022-07-19 23:17:34,394 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:17:33" (1/1) ... [2022-07-19 23:17:34,502 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:17:33" (1/1) ... [2022-07-19 23:17:34,503 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:17:33" (1/1) ... [2022-07-19 23:17:34,822 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:17:33" (1/1) ... [2022-07-19 23:17:34,850 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:17:33" (1/1) ... [2022-07-19 23:17:34,883 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:17:33" (1/1) ... [2022-07-19 23:17:34,940 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-19 23:17:34,942 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-19 23:17:34,942 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-19 23:17:34,942 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-19 23:17:34,943 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:17:33" (1/1) ... [2022-07-19 23:17:34,948 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-19 23:17:34,954 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-19 23:17:34,964 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) [2022-07-19 23:17:34,970 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 [2022-07-19 23:17:34,991 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_var_to_panel_info [2022-07-19 23:17:34,991 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_var_to_panel_info [2022-07-19 23:17:34,991 INFO L130 BoogieDeclarations]: Found specification of procedure fb_set_suspend [2022-07-19 23:17:34,991 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_set_suspend [2022-07-19 23:17:34,992 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_delete_i2c_busses [2022-07-19 23:17:34,992 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_delete_i2c_busses [2022-07-19 23:17:34,992 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-07-19 23:17:34,992 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-07-19 23:17:34,992 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-19 23:17:34,992 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-19 23:17:34,992 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_create_bin_file [2022-07-19 23:17:34,992 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_create_bin_file [2022-07-19 23:17:34,993 INFO L130 BoogieDeclarations]: Found specification of procedure __OUTPLLP [2022-07-19 23:17:34,993 INFO L138 BoogieDeclarations]: Found implementation of procedure __OUTPLLP [2022-07-19 23:17:34,993 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_fixup_offset [2022-07-19 23:17:34,993 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_fixup_offset [2022-07-19 23:17:34,993 INFO L130 BoogieDeclarations]: Found specification of procedure framebuffer_release [2022-07-19 23:17:34,993 INFO L138 BoogieDeclarations]: Found implementation of procedure framebuffer_release [2022-07-19 23:17:34,993 INFO L130 BoogieDeclarations]: Found specification of procedure _OUTREGP [2022-07-19 23:17:34,993 INFO L138 BoogieDeclarations]: Found implementation of procedure _OUTREGP [2022-07-19 23:17:34,994 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-19 23:17:34,994 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-19 23:17:34,994 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_region [2022-07-19 23:17:34,994 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_region [2022-07-19 23:17:34,994 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_crt_is_connected [2022-07-19 23:17:34,994 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_crt_is_connected [2022-07-19 23:17:34,994 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-07-19 23:17:34,995 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-07-19 23:17:34,995 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-07-19 23:17:34,995 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-07-19 23:17:34,995 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_setup_i2c_bus [2022-07-19 23:17:34,995 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_setup_i2c_bus [2022-07-19 23:17:34,995 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_probe_i2c_connector [2022-07-19 23:17:34,995 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_probe_i2c_connector [2022-07-19 23:17:34,995 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_pm_enable_dynamic_mode [2022-07-19 23:17:34,996 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_pm_enable_dynamic_mode [2022-07-19 23:17:34,996 INFO L130 BoogieDeclarations]: Found specification of procedure var_to_depth [2022-07-19 23:17:34,996 INFO L138 BoogieDeclarations]: Found implementation of procedure var_to_depth [2022-07-19 23:17:34,996 INFO L130 BoogieDeclarations]: Found specification of procedure __OUTPLL [2022-07-19 23:17:34,996 INFO L138 BoogieDeclarations]: Found implementation of procedure __OUTPLL [2022-07-19 23:17:34,996 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_videomode_to_var [2022-07-19 23:17:34,996 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_videomode_to_var [2022-07-19 23:17:34,996 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2022-07-19 23:17:34,997 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2022-07-19 23:17:34,997 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2022-07-19 23:17:34,997 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2022-07-19 23:17:34,997 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_pm_yclk_mclk_sync [2022-07-19 23:17:34,997 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_pm_yclk_mclk_sync [2022-07-19 23:17:34,997 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-07-19 23:17:34,998 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-07-19 23:17:34,998 INFO L130 BoogieDeclarations]: Found specification of procedure radeonfb_pm_init [2022-07-19 23:17:34,998 INFO L138 BoogieDeclarations]: Found implementation of procedure radeonfb_pm_init [2022-07-19 23:17:34,998 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_bl_get_brightness [2022-07-19 23:17:34,998 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_bl_get_brightness [2022-07-19 23:17:34,998 INFO L130 BoogieDeclarations]: Found specification of procedure radeonfb_engine_init [2022-07-19 23:17:34,999 INFO L138 BoogieDeclarations]: Found implementation of procedure radeonfb_engine_init [2022-07-19 23:17:34,999 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_update_lock_of_backlight_device [2022-07-19 23:17:35,000 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_update_lock_of_backlight_device [2022-07-19 23:17:35,000 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-19 23:17:35,000 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-19 23:17:35,000 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-07-19 23:17:35,001 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-07-19 23:17:35,001 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap [2022-07-19 23:17:35,001 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap [2022-07-19 23:17:35,001 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_engine_flush [2022-07-19 23:17:35,001 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_engine_flush [2022-07-19 23:17:35,001 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_screen_blank [2022-07-19 23:17:35,001 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_screen_blank [2022-07-19 23:17:35,001 INFO L130 BoogieDeclarations]: Found specification of procedure fb_dealloc_cmap [2022-07-19 23:17:35,001 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_dealloc_cmap [2022-07-19 23:17:35,002 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-19 23:17:35,002 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2022-07-19 23:17:35,002 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2022-07-19 23:17:35,002 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_unmap_ROM [2022-07-19 23:17:35,003 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_unmap_ROM [2022-07-19 23:17:35,003 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2022-07-19 23:17:35,003 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2022-07-19 23:17:35,003 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-19 23:17:35,003 INFO L130 BoogieDeclarations]: Found specification of procedure radeonfb_set_par [2022-07-19 23:17:35,003 INFO L138 BoogieDeclarations]: Found implementation of procedure radeonfb_set_par [2022-07-19 23:17:35,003 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2022-07-19 23:17:35,003 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2022-07-19 23:17:35,004 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_set_suspend [2022-07-19 23:17:35,004 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_set_suspend [2022-07-19 23:17:35,004 INFO L130 BoogieDeclarations]: Found specification of procedure _radeon_fifo_wait [2022-07-19 23:17:35,004 INFO L138 BoogieDeclarations]: Found implementation of procedure _radeon_fifo_wait [2022-07-19 23:17:35,004 INFO L130 BoogieDeclarations]: Found specification of procedure do_gettimeofday [2022-07-19 23:17:35,004 INFO L138 BoogieDeclarations]: Found implementation of procedure do_gettimeofday [2022-07-19 23:17:35,004 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-07-19 23:17:35,005 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-07-19 23:17:35,005 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_pm_save_regs [2022-07-19 23:17:35,005 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_pm_save_regs [2022-07-19 23:17:35,005 INFO L130 BoogieDeclarations]: Found specification of procedure radeonfb_pci_resume [2022-07-19 23:17:35,005 INFO L138 BoogieDeclarations]: Found implementation of procedure radeonfb_pci_resume [2022-07-19 23:17:35,005 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-07-19 23:17:35,006 INFO L130 BoogieDeclarations]: Found specification of procedure pci_save_state [2022-07-19 23:17:35,006 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_save_state [2022-07-19 23:17:35,006 INFO L130 BoogieDeclarations]: Found specification of procedure bl_get_data [2022-07-19 23:17:35,006 INFO L138 BoogieDeclarations]: Found implementation of procedure bl_get_data [2022-07-19 23:17:35,006 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2022-07-19 23:17:35,007 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2022-07-19 23:17:35,007 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-07-19 23:17:35,007 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_pm_enable_dll [2022-07-19 23:17:35,007 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_pm_enable_dll [2022-07-19 23:17:35,007 INFO L130 BoogieDeclarations]: Found specification of procedure fb_destroy_modedb [2022-07-19 23:17:35,008 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_destroy_modedb [2022-07-19 23:17:35,008 INFO L130 BoogieDeclarations]: Found specification of procedure radeonfb_pci_unregister [2022-07-19 23:17:35,008 INFO L138 BoogieDeclarations]: Found implementation of procedure radeonfb_pci_unregister [2022-07-19 23:17:35,008 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-19 23:17:35,008 INFO L130 BoogieDeclarations]: Found specification of procedure __INPLL [2022-07-19 23:17:35,008 INFO L138 BoogieDeclarations]: Found implementation of procedure __INPLL [2022-07-19 23:17:35,008 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_get_dstbpp [2022-07-19 23:17:35,009 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_get_dstbpp [2022-07-19 23:17:35,009 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2022-07-19 23:17:35,009 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2022-07-19 23:17:35,009 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_pm_full_reset_sdram [2022-07-19 23:17:35,009 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_pm_full_reset_sdram [2022-07-19 23:17:35,010 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-19 23:17:35,010 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-19 23:17:35,012 INFO L130 BoogieDeclarations]: Found specification of procedure _radeon_engine_idle [2022-07-19 23:17:35,012 INFO L138 BoogieDeclarations]: Found implementation of procedure _radeon_engine_idle [2022-07-19 23:17:35,012 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_get_mon_name [2022-07-19 23:17:35,012 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_get_mon_name [2022-07-19 23:17:35,013 INFO L130 BoogieDeclarations]: Found specification of procedure radeonfb_sync [2022-07-19 23:17:35,014 INFO L138 BoogieDeclarations]: Found implementation of procedure radeonfb_sync [2022-07-19 23:17:35,014 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_pm_program_mode_reg [2022-07-19 23:17:35,014 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_pm_program_mode_reg [2022-07-19 23:17:35,014 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-19 23:17:35,019 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-19 23:17:35,019 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_show_one_edid [2022-07-19 23:17:35,019 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_show_one_edid [2022-07-19 23:17:35,019 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_write_mode [2022-07-19 23:17:35,019 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_write_mode [2022-07-19 23:17:35,019 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-19 23:17:35,019 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-07-19 23:17:35,019 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-07-19 23:17:35,019 INFO L130 BoogieDeclarations]: Found specification of procedure _radeon_msleep [2022-07-19 23:17:35,020 INFO L138 BoogieDeclarations]: Found implementation of procedure _radeon_msleep [2022-07-19 23:17:35,020 INFO L130 BoogieDeclarations]: Found specification of procedure INMC [2022-07-19 23:17:35,020 INFO L138 BoogieDeclarations]: Found implementation of procedure INMC [2022-07-19 23:17:35,020 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-19 23:17:35,020 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-19 23:17:35,020 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_bl_get_level_brightness [2022-07-19 23:17:35,020 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_bl_get_level_brightness [2022-07-19 23:17:35,020 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_map_ROM [2022-07-19 23:17:35,020 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_map_ROM [2022-07-19 23:17:35,020 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-19 23:17:35,020 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_update_lock_of_backlight_device [2022-07-19 23:17:35,020 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_update_lock_of_backlight_device [2022-07-19 23:17:35,020 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-19 23:17:35,020 INFO L130 BoogieDeclarations]: Found specification of procedure pci_request_region [2022-07-19 23:17:35,020 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_request_region [2022-07-19 23:17:35,020 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-07-19 23:17:35,020 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-07-19 23:17:35,020 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-19 23:17:35,021 INFO L130 BoogieDeclarations]: Found specification of procedure fb_find_mode [2022-07-19 23:17:35,021 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_find_mode [2022-07-19 23:17:35,021 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_setcolreg [2022-07-19 23:17:35,021 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_setcolreg [2022-07-19 23:17:35,021 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_pll_errata_after_data [2022-07-19 23:17:35,021 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_pll_errata_after_data [2022-07-19 23:17:35,021 INFO L130 BoogieDeclarations]: Found specification of procedure console_lock [2022-07-19 23:17:35,021 INFO L138 BoogieDeclarations]: Found implementation of procedure console_lock [2022-07-19 23:17:35,021 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_pm_restore_regs [2022-07-19 23:17:35,021 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_pm_restore_regs [2022-07-19 23:17:35,021 INFO L130 BoogieDeclarations]: Found specification of procedure console_unlock [2022-07-19 23:17:35,021 INFO L138 BoogieDeclarations]: Found implementation of procedure console_unlock [2022-07-19 23:17:35,021 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2022-07-19 23:17:35,021 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2022-07-19 23:17:35,021 INFO L130 BoogieDeclarations]: Found specification of procedure OUTMC [2022-07-19 23:17:35,021 INFO L138 BoogieDeclarations]: Found implementation of procedure OUTMC [2022-07-19 23:17:35,021 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2022-07-19 23:17:35,021 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2022-07-19 23:17:35,021 INFO L130 BoogieDeclarations]: Found specification of procedure round_div [2022-07-19 23:17:35,022 INFO L138 BoogieDeclarations]: Found implementation of procedure round_div [2022-07-19 23:17:35,022 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_pm_disable_dynamic_mode [2022-07-19 23:17:35,022 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_pm_disable_dynamic_mode [2022-07-19 23:17:35,022 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2022-07-19 23:17:35,022 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2022-07-19 23:17:35,022 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_del_adapter [2022-07-19 23:17:35,022 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_del_adapter [2022-07-19 23:17:35,022 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_pll_errata_after_index [2022-07-19 23:17:35,022 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_pll_errata_after_index [2022-07-19 23:17:35,022 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2022-07-19 23:17:35,022 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2022-07-19 23:17:35,022 INFO L130 BoogieDeclarations]: Found specification of procedure radeon_bl_update_status [2022-07-19 23:17:35,022 INFO L138 BoogieDeclarations]: Found implementation of procedure radeon_bl_update_status [2022-07-19 23:17:35,022 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-19 23:17:35,022 INFO L130 BoogieDeclarations]: Found specification of procedure writeb [2022-07-19 23:17:35,022 INFO L138 BoogieDeclarations]: Found implementation of procedure writeb [2022-07-19 23:17:35,022 INFO L130 BoogieDeclarations]: Found specification of procedure radeonfb_engine_reset [2022-07-19 23:17:35,022 INFO L138 BoogieDeclarations]: Found implementation of procedure radeonfb_engine_reset [2022-07-19 23:17:35,022 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_remove_bin_file [2022-07-19 23:17:35,023 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_remove_bin_file [2022-07-19 23:17:35,023 INFO L130 BoogieDeclarations]: Found specification of procedure readb [2022-07-19 23:17:35,023 INFO L138 BoogieDeclarations]: Found implementation of procedure readb [2022-07-19 23:17:35,023 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-19 23:17:35,023 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-19 23:17:35,992 INFO L234 CfgBuilder]: Building ICFG [2022-07-19 23:17:35,994 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-19 23:17:52,552 INFO L275 CfgBuilder]: Performing block encoding [2022-07-19 23:17:52,583 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-19 23:17:52,584 INFO L299 CfgBuilder]: Removed 36 assume(true) statements. [2022-07-19 23:17:52,590 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.07 11:17:52 BoogieIcfgContainer [2022-07-19 23:17:52,590 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-19 23:17:52,592 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-19 23:17:52,592 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-19 23:17:52,594 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-19 23:17:52,595 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.07 11:17:31" (1/3) ... [2022-07-19 23:17:52,595 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3872ace9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.07 11:17:52, skipping insertion in model container [2022-07-19 23:17:52,595 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 11:17:33" (2/3) ... [2022-07-19 23:17:52,596 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3872ace9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.07 11:17:52, skipping insertion in model container [2022-07-19 23:17:52,596 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.07 11:17:52" (3/3) ... [2022-07-19 23:17:52,597 INFO L111 eAbstractionObserver]: Analyzing ICFG 32_7a_cilled_linux-3.8-rc1-drivers--video--aty--radeonfb.ko-main.cil.out.i [2022-07-19 23:17:52,607 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-19 23:17:52,607 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-19 23:17:52,714 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-19 23:17:52,721 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@7b1daa1a, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@afa8508 [2022-07-19 23:17:52,721 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-19 23:17:52,734 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) [2022-07-19 23:17:52,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-07-19 23:17:52,743 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 23:17:52,744 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 23:17:52,744 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 23:17:52,749 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 23:17:52,749 INFO L85 PathProgramCache]: Analyzing trace with hash -781481802, now seen corresponding path program 1 times [2022-07-19 23:17:52,754 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 23:17:52,755 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [477359756] [2022-07-19 23:17:52,755 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 23:17:52,755 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 23:17:53,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:17:53,229 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-19 23:17:53,230 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 23:17:53,230 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [477359756] [2022-07-19 23:17:53,231 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [477359756] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 23:17:53,231 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 23:17:53,231 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-19 23:17:53,232 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [315413731] [2022-07-19 23:17:53,232 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 23:17:53,235 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-19 23:17:53,235 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 23:17:53,264 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-19 23:17:53,264 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-19 23:17:53,276 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) [2022-07-19 23:17:53,765 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 23:17:53,766 INFO L93 Difference]: Finished difference Result 15183 states and 25058 transitions. [2022-07-19 23:17:53,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-19 23:17:53,772 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 [2022-07-19 23:17:53,772 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 23:17:53,869 INFO L225 Difference]: With dead ends: 15183 [2022-07-19 23:17:53,869 INFO L226 Difference]: Without dead ends: 10035 [2022-07-19 23:17:53,922 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 [2022-07-19 23:17:53,924 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, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-19 23:17:53,925 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7382 Valid, 16222 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-19 23:17:53,948 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10035 states. [2022-07-19 23:17:54,437 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10035 to 10031. [2022-07-19 23:17:54,466 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) [2022-07-19 23:17:54,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10031 states to 10031 states and 14788 transitions. [2022-07-19 23:17:54,518 INFO L78 Accepts]: Start accepts. Automaton has 10031 states and 14788 transitions. Word has length 16 [2022-07-19 23:17:54,518 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 23:17:54,518 INFO L495 AbstractCegarLoop]: Abstraction has 10031 states and 14788 transitions. [2022-07-19 23:17:54,519 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) [2022-07-19 23:17:54,519 INFO L276 IsEmpty]: Start isEmpty. Operand 10031 states and 14788 transitions. [2022-07-19 23:17:54,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-07-19 23:17:54,525 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 23:17:54,525 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 23:17:54,526 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-19 23:17:54,526 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 23:17:54,526 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 23:17:54,526 INFO L85 PathProgramCache]: Analyzing trace with hash -1083818242, now seen corresponding path program 1 times [2022-07-19 23:17:54,526 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 23:17:54,527 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [653093316] [2022-07-19 23:17:54,527 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 23:17:54,527 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 23:17:54,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:17:54,742 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-19 23:17:54,743 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 23:17:54,743 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [653093316] [2022-07-19 23:17:54,743 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [653093316] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 23:17:54,743 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 23:17:54,743 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-19 23:17:54,744 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [136325652] [2022-07-19 23:17:54,744 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 23:17:54,745 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-19 23:17:54,745 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 23:17:54,745 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-19 23:17:54,748 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-19 23:17:54,748 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) [2022-07-19 23:17:55,087 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 23:17:55,087 INFO L93 Difference]: Finished difference Result 10057 states and 14820 transitions. [2022-07-19 23:17:55,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-19 23:17:55,088 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 [2022-07-19 23:17:55,088 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 23:17:55,139 INFO L225 Difference]: With dead ends: 10057 [2022-07-19 23:17:55,139 INFO L226 Difference]: Without dead ends: 10044 [2022-07-19 23:17:55,148 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 [2022-07-19 23:17:55,150 INFO L413 NwaCegarLoop]: 7424 mSDtfsCounter, 7404 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7404 SdHoareTripleChecker+Valid, 7440 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-19 23:17:55,150 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] [2022-07-19 23:17:55,162 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10044 states. [2022-07-19 23:17:55,543 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10044 to 10031. [2022-07-19 23:17:55,556 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) [2022-07-19 23:17:55,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10031 states to 10031 states and 14787 transitions. [2022-07-19 23:17:55,600 INFO L78 Accepts]: Start accepts. Automaton has 10031 states and 14787 transitions. Word has length 19 [2022-07-19 23:17:55,600 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 23:17:55,601 INFO L495 AbstractCegarLoop]: Abstraction has 10031 states and 14787 transitions. [2022-07-19 23:17:55,601 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) [2022-07-19 23:17:55,601 INFO L276 IsEmpty]: Start isEmpty. Operand 10031 states and 14787 transitions. [2022-07-19 23:17:55,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-07-19 23:17:55,602 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 23:17:55,602 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 23:17:55,603 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-19 23:17:55,603 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 23:17:55,608 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 23:17:55,608 INFO L85 PathProgramCache]: Analyzing trace with hash -1026559940, now seen corresponding path program 1 times [2022-07-19 23:17:55,609 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 23:17:55,609 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1828553231] [2022-07-19 23:17:55,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 23:17:55,609 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 23:17:55,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:17:55,780 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-19 23:17:55,780 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 23:17:55,781 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1828553231] [2022-07-19 23:17:55,781 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1828553231] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 23:17:55,782 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 23:17:55,782 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-19 23:17:55,782 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [100998534] [2022-07-19 23:17:55,782 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 23:17:55,782 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-19 23:17:55,783 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 23:17:55,783 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-19 23:17:55,783 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-19 23:17:55,783 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) [2022-07-19 23:17:55,994 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 23:17:55,994 INFO L93 Difference]: Finished difference Result 10033 states and 14788 transitions. [2022-07-19 23:17:55,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-19 23:17:55,995 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 [2022-07-19 23:17:55,995 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 23:17:56,049 INFO L225 Difference]: With dead ends: 10033 [2022-07-19 23:17:56,050 INFO L226 Difference]: Without dead ends: 10030 [2022-07-19 23:17:56,060 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 [2022-07-19 23:17:56,064 INFO L413 NwaCegarLoop]: 7406 mSDtfsCounter, 7391 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7391 SdHoareTripleChecker+Valid, 7406 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-19 23:17:56,065 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] [2022-07-19 23:17:56,076 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10030 states. [2022-07-19 23:17:56,512 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10030 to 10030. [2022-07-19 23:17:56,523 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) [2022-07-19 23:17:56,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10030 states to 10030 states and 14785 transitions. [2022-07-19 23:17:56,578 INFO L78 Accepts]: Start accepts. Automaton has 10030 states and 14785 transitions. Word has length 19 [2022-07-19 23:17:56,578 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 23:17:56,578 INFO L495 AbstractCegarLoop]: Abstraction has 10030 states and 14785 transitions. [2022-07-19 23:17:56,579 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) [2022-07-19 23:17:56,579 INFO L276 IsEmpty]: Start isEmpty. Operand 10030 states and 14785 transitions. [2022-07-19 23:17:56,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-07-19 23:17:56,580 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 23:17:56,580 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] [2022-07-19 23:17:56,581 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-19 23:17:56,581 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 23:17:56,581 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 23:17:56,581 INFO L85 PathProgramCache]: Analyzing trace with hash -1760930420, now seen corresponding path program 1 times [2022-07-19 23:17:56,581 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 23:17:56,582 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1929073572] [2022-07-19 23:17:56,582 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 23:17:56,582 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 23:17:56,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:17:56,765 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-19 23:17:56,766 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 23:17:56,766 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1929073572] [2022-07-19 23:17:56,766 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1929073572] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 23:17:56,766 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 23:17:56,766 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-19 23:17:56,766 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1246652792] [2022-07-19 23:17:56,766 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 23:17:56,767 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-19 23:17:56,767 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 23:17:56,767 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-19 23:17:56,767 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-19 23:17:56,767 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) [2022-07-19 23:17:56,950 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 23:17:56,951 INFO L93 Difference]: Finished difference Result 10032 states and 14786 transitions. [2022-07-19 23:17:56,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-19 23:17:56,957 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 [2022-07-19 23:17:56,957 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 23:17:56,994 INFO L225 Difference]: With dead ends: 10032 [2022-07-19 23:17:56,994 INFO L226 Difference]: Without dead ends: 10029 [2022-07-19 23:17:57,001 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 [2022-07-19 23:17:57,002 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 [2022-07-19 23:17:57,002 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] [2022-07-19 23:17:57,011 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10029 states. [2022-07-19 23:17:57,344 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10029 to 10029. [2022-07-19 23:17:57,355 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) [2022-07-19 23:17:57,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10029 states to 10029 states and 14783 transitions. [2022-07-19 23:17:57,392 INFO L78 Accepts]: Start accepts. Automaton has 10029 states and 14783 transitions. Word has length 20 [2022-07-19 23:17:57,392 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 23:17:57,392 INFO L495 AbstractCegarLoop]: Abstraction has 10029 states and 14783 transitions. [2022-07-19 23:17:57,392 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) [2022-07-19 23:17:57,393 INFO L276 IsEmpty]: Start isEmpty. Operand 10029 states and 14783 transitions. [2022-07-19 23:17:57,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-07-19 23:17:57,393 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 23:17:57,394 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] [2022-07-19 23:17:57,394 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-07-19 23:17:57,394 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 23:17:57,394 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 23:17:57,394 INFO L85 PathProgramCache]: Analyzing trace with hash 1243393343, now seen corresponding path program 1 times [2022-07-19 23:17:57,395 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 23:17:57,395 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1852310243] [2022-07-19 23:17:57,395 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 23:17:57,395 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 23:17:57,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:17:57,541 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-19 23:17:57,541 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 23:17:57,541 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1852310243] [2022-07-19 23:17:57,542 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1852310243] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 23:17:57,542 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 23:17:57,542 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-19 23:17:57,543 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1861211391] [2022-07-19 23:17:57,543 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 23:17:57,543 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-19 23:17:57,543 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 23:17:57,544 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-19 23:17:57,544 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-19 23:17:57,544 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) [2022-07-19 23:17:57,809 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 23:17:57,810 INFO L93 Difference]: Finished difference Result 10031 states and 14784 transitions. [2022-07-19 23:17:57,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-19 23:17:57,810 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 [2022-07-19 23:17:57,811 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 23:17:57,848 INFO L225 Difference]: With dead ends: 10031 [2022-07-19 23:17:57,848 INFO L226 Difference]: Without dead ends: 10028 [2022-07-19 23:17:57,854 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 [2022-07-19 23:17:57,855 INFO L413 NwaCegarLoop]: 7402 mSDtfsCounter, 7385 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7385 SdHoareTripleChecker+Valid, 7402 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-19 23:17:57,856 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] [2022-07-19 23:17:57,865 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10028 states. [2022-07-19 23:17:58,282 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10028 to 10028. [2022-07-19 23:17:58,293 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) [2022-07-19 23:17:58,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10028 states to 10028 states and 14781 transitions. [2022-07-19 23:17:58,335 INFO L78 Accepts]: Start accepts. Automaton has 10028 states and 14781 transitions. Word has length 21 [2022-07-19 23:17:58,335 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 23:17:58,335 INFO L495 AbstractCegarLoop]: Abstraction has 10028 states and 14781 transitions. [2022-07-19 23:17:58,335 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) [2022-07-19 23:17:58,336 INFO L276 IsEmpty]: Start isEmpty. Operand 10028 states and 14781 transitions. [2022-07-19 23:17:58,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-07-19 23:17:58,336 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 23:17:58,337 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] [2022-07-19 23:17:58,337 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-07-19 23:17:58,337 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 23:17:58,337 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 23:17:58,337 INFO L85 PathProgramCache]: Analyzing trace with hash -111845649, now seen corresponding path program 1 times [2022-07-19 23:17:58,338 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 23:17:58,338 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1374485840] [2022-07-19 23:17:58,338 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 23:17:58,338 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 23:17:58,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:17:58,522 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-19 23:17:58,523 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 23:17:58,523 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1374485840] [2022-07-19 23:17:58,523 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1374485840] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 23:17:58,523 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 23:17:58,523 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-19 23:17:58,524 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1539705733] [2022-07-19 23:17:58,524 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 23:17:58,524 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-19 23:17:58,524 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 23:17:58,525 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-19 23:17:58,525 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-19 23:17:58,525 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) [2022-07-19 23:17:58,737 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 23:17:58,737 INFO L93 Difference]: Finished difference Result 10030 states and 14782 transitions. [2022-07-19 23:17:58,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-19 23:17:58,737 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 [2022-07-19 23:17:58,738 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 23:17:58,773 INFO L225 Difference]: With dead ends: 10030 [2022-07-19 23:17:58,774 INFO L226 Difference]: Without dead ends: 10027 [2022-07-19 23:17:58,782 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 [2022-07-19 23:17:58,785 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 [2022-07-19 23:17:58,785 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] [2022-07-19 23:17:58,793 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10027 states. [2022-07-19 23:17:59,207 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10027 to 10027. [2022-07-19 23:17:59,223 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) [2022-07-19 23:17:59,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10027 states to 10027 states and 14779 transitions. [2022-07-19 23:17:59,257 INFO L78 Accepts]: Start accepts. Automaton has 10027 states and 14779 transitions. Word has length 22 [2022-07-19 23:17:59,257 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 23:17:59,258 INFO L495 AbstractCegarLoop]: Abstraction has 10027 states and 14779 transitions. [2022-07-19 23:17:59,258 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) [2022-07-19 23:17:59,258 INFO L276 IsEmpty]: Start isEmpty. Operand 10027 states and 14779 transitions. [2022-07-19 23:17:59,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-07-19 23:17:59,259 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 23:17:59,259 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] [2022-07-19 23:17:59,259 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-07-19 23:17:59,259 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 23:17:59,260 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 23:17:59,260 INFO L85 PathProgramCache]: Analyzing trace with hash 825423426, now seen corresponding path program 1 times [2022-07-19 23:17:59,260 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 23:17:59,260 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [760877168] [2022-07-19 23:17:59,260 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 23:17:59,261 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 23:17:59,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:17:59,404 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-19 23:17:59,404 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 23:17:59,404 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [760877168] [2022-07-19 23:17:59,405 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [760877168] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 23:17:59,405 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 23:17:59,405 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-19 23:17:59,405 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [430891835] [2022-07-19 23:17:59,405 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 23:17:59,405 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-19 23:17:59,406 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 23:17:59,406 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-19 23:17:59,406 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-19 23:17:59,406 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) [2022-07-19 23:17:59,729 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 23:17:59,730 INFO L93 Difference]: Finished difference Result 16253 states and 23832 transitions. [2022-07-19 23:17:59,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-19 23:17:59,730 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 [2022-07-19 23:17:59,731 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 23:17:59,799 INFO L225 Difference]: With dead ends: 16253 [2022-07-19 23:17:59,799 INFO L226 Difference]: Without dead ends: 16241 [2022-07-19 23:17:59,814 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 [2022-07-19 23:17:59,814 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 [2022-07-19 23:17:59,815 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] [2022-07-19 23:17:59,827 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16241 states. [2022-07-19 23:18:00,795 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16241 to 16241. [2022-07-19 23:18:00,811 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) [2022-07-19 23:18:00,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16241 states to 16241 states and 23817 transitions. [2022-07-19 23:18:00,875 INFO L78 Accepts]: Start accepts. Automaton has 16241 states and 23817 transitions. Word has length 23 [2022-07-19 23:18:00,876 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 23:18:00,877 INFO L495 AbstractCegarLoop]: Abstraction has 16241 states and 23817 transitions. [2022-07-19 23:18:00,877 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) [2022-07-19 23:18:00,877 INFO L276 IsEmpty]: Start isEmpty. Operand 16241 states and 23817 transitions. [2022-07-19 23:18:00,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 816 [2022-07-19 23:18:00,934 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 23:18:00,935 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] [2022-07-19 23:18:00,935 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-07-19 23:18:00,935 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 23:18:00,935 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 23:18:00,936 INFO L85 PathProgramCache]: Analyzing trace with hash -1985306989, now seen corresponding path program 1 times [2022-07-19 23:18:00,936 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 23:18:00,936 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [736961471] [2022-07-19 23:18:00,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 23:18:00,936 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 23:18:01,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:18:01,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-19 23:18:01,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:18:01,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-07-19 23:18:01,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:18:01,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-07-19 23:18:01,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:18:01,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-07-19 23:18:01,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:18:01,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-07-19 23:18:01,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:18:01,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-07-19 23:18:01,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:18:01,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-19 23:18:01,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:18:01,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-07-19 23:18:01,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:18:01,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-07-19 23:18:01,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:18:01,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2022-07-19 23:18:01,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:18:01,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2022-07-19 23:18:01,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:18:01,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-07-19 23:18:01,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:18:01,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-19 23:18:01,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:18:01,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-07-19 23:18:01,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:18:01,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2022-07-19 23:18:01,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:18:01,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-19 23:18:01,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:18:01,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-19 23:18:01,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:18:01,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-19 23:18:01,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:18:01,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-19 23:18:01,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:18:01,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2022-07-19 23:18:01,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:18:01,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2022-07-19 23:18:01,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:18:01,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-07-19 23:18:01,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:18:01,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2022-07-19 23:18:01,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:18:01,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2022-07-19 23:18:01,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:18:01,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-19 23:18:01,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:18:01,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-19 23:18:01,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:18:01,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-07-19 23:18:01,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:18:01,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-19 23:18:01,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:18:01,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-19 23:18:01,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:18:01,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-19 23:18:01,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:18:01,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-07-19 23:18:01,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:18:01,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-07-19 23:18:01,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:18:01,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2022-07-19 23:18:01,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:18:01,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-19 23:18:01,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:18:01,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-19 23:18:01,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:18:01,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-07-19 23:18:01,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:18:01,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-19 23:18:01,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:18:01,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-19 23:18:01,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:18:01,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-19 23:18:01,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:18:01,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-07-19 23:18:01,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:18:01,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-07-19 23:18:01,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:18:01,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2022-07-19 23:18:01,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:18:01,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-19 23:18:01,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:18:01,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-19 23:18:01,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:18:01,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-07-19 23:18:01,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:18:01,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-19 23:18:01,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:18:01,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-19 23:18:01,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:18:01,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-19 23:18:01,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:18:01,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-07-19 23:18:01,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:18:01,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-07-19 23:18:01,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:18:01,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 406 [2022-07-19 23:18:01,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:18:01,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-19 23:18:01,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:18:01,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-19 23:18:01,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:18:01,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-07-19 23:18:01,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:18:01,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-19 23:18:01,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:18:01,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-19 23:18:01,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:18:01,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-19 23:18:01,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:18:01,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-07-19 23:18:01,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:18:01,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-07-19 23:18:01,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:18:01,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 474 [2022-07-19 23:18:01,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:18:01,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 485 [2022-07-19 23:18:01,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:18:01,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 525 [2022-07-19 23:18:01,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:18:01,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 530 [2022-07-19 23:18:01,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:18:01,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 535 [2022-07-19 23:18:01,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:18:01,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 540 [2022-07-19 23:18:01,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:18:01,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 545 [2022-07-19 23:18:01,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:18:01,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 550 [2022-07-19 23:18:01,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:18:01,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 555 [2022-07-19 23:18:01,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:18:01,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 560 [2022-07-19 23:18:01,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:18:01,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 565 [2022-07-19 23:18:01,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:18:01,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 570 [2022-07-19 23:18:01,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:18:01,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 575 [2022-07-19 23:18:01,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:18:01,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 580 [2022-07-19 23:18:01,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:18:01,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 585 [2022-07-19 23:18:01,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:18:01,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 590 [2022-07-19 23:18:01,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:18:01,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 595 [2022-07-19 23:18:01,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:18:01,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 600 [2022-07-19 23:18:01,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:18:01,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 605 [2022-07-19 23:18:01,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:18:01,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 610 [2022-07-19 23:18:01,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:18:01,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 615 [2022-07-19 23:18:01,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:18:01,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 620 [2022-07-19 23:18:01,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:18:01,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 625 [2022-07-19 23:18:02,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:18:02,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 630 [2022-07-19 23:18:02,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:18:02,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-19 23:18:02,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:18:02,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-19 23:18:02,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:18:02,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-19 23:18:02,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:18:02,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-19 23:18:02,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:18:02,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 659 [2022-07-19 23:18:02,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:18:02,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 664 [2022-07-19 23:18:02,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:18:02,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 669 [2022-07-19 23:18:02,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:18:02,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-19 23:18:02,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:18:02,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-19 23:18:02,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:18:02,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-19 23:18:02,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:18:02,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-19 23:18:02,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:18:02,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 698 [2022-07-19 23:18:02,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:18:02,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-19 23:18:02,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:18:02,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-19 23:18:02,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:18:02,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-19 23:18:02,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:18:02,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-19 23:18:02,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:18:02,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 729 [2022-07-19 23:18:02,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:18:02,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 737 [2022-07-19 23:18:02,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:18:02,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 749 [2022-07-19 23:18:02,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:18:02,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 760 [2022-07-19 23:18:02,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:18:02,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-19 23:18:02,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:18:02,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 775 [2022-07-19 23:18:02,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:18:02,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 782 [2022-07-19 23:18:02,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:18:02,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 796 [2022-07-19 23:18:02,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:18:02,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 802 [2022-07-19 23:18:02,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:18:02,408 INFO L134 CoverageAnalysis]: Checked inductivity of 3563 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3563 trivial. 0 not checked. [2022-07-19 23:18:02,409 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 23:18:02,409 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [736961471] [2022-07-19 23:18:02,409 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [736961471] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 23:18:02,409 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 23:18:02,409 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-07-19 23:18:02,410 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1905736124] [2022-07-19 23:18:02,410 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 23:18:02,411 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-19 23:18:02,412 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 23:18:02,412 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-19 23:18:02,412 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-07-19 23:18:02,412 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) [2022-07-19 23:18:06,790 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-19 23:18:08,922 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-19 23:18:12,095 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.88s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-19 23:18:15,070 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-19 23:18:17,414 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.32s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-19 23:18:21,471 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-07-19 23:18:23,583 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-07-19 23:18:36,463 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-19 23:18:39,960 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.37s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-19 23:18:45,580 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.46s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-19 23:18:47,380 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.80s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-19 23:18:49,426 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-19 23:18:51,464 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-19 23:18:52,740 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.23s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-19 23:18:54,776 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-19 23:19:30,933 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-19 23:19:34,686 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-19 23:19:36,707 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-19 23:19:38,721 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-19 23:19:40,767 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-19 23:19:44,488 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.70s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-07-19 23:19:46,524 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-07-19 23:19:48,566 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-07-19 23:19:50,716 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-07-19 23:20:38,825 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 23:20:38,826 INFO L93 Difference]: Finished difference Result 50919 states and 78478 transitions. [2022-07-19 23:20:38,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-07-19 23:20:38,826 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 [2022-07-19 23:20:38,827 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 23:20:39,016 INFO L225 Difference]: With dead ends: 50919 [2022-07-19 23:20:39,016 INFO L226 Difference]: Without dead ends: 34681 [2022-07-19 23:20:39,104 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 247 GetRequests, 223 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 156 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=177, Invalid=473, Unknown=0, NotChecked=0, Total=650 [2022-07-19 23:20:39,105 INFO L413 NwaCegarLoop]: 8165 mSDtfsCounter, 14859 mSDsluCounter, 10441 mSDsCounter, 0 mSdLazyCounter, 37959 mSolverCounterSat, 14043 mSolverCounterUnsat, 15 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 143.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15101 SdHoareTripleChecker+Valid, 18606 SdHoareTripleChecker+Invalid, 52017 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.3s SdHoareTripleChecker+Time, 14043 IncrementalHoareTripleChecker+Valid, 37959 IncrementalHoareTripleChecker+Invalid, 15 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 152.0s IncrementalHoareTripleChecker+Time [2022-07-19 23:20:39,105 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [15101 Valid, 18606 Invalid, 52017 Unknown, 0 Unchecked, 0.3s Time], IncrementalHoareTripleChecker [14043 Valid, 37959 Invalid, 15 Unknown, 0 Unchecked, 152.0s Time] [2022-07-19 23:20:39,141 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34681 states. [2022-07-19 23:20:41,858 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34681 to 19073. [2022-07-19 23:20:41,880 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) [2022-07-19 23:20:41,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19073 states to 19073 states and 27982 transitions. [2022-07-19 23:20:41,957 INFO L78 Accepts]: Start accepts. Automaton has 19073 states and 27982 transitions. Word has length 815 [2022-07-19 23:20:41,957 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 23:20:41,957 INFO L495 AbstractCegarLoop]: Abstraction has 19073 states and 27982 transitions. [2022-07-19 23:20:41,959 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) [2022-07-19 23:20:41,959 INFO L276 IsEmpty]: Start isEmpty. Operand 19073 states and 27982 transitions. [2022-07-19 23:20:42,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 828 [2022-07-19 23:20:42,028 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 23:20:42,029 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] [2022-07-19 23:20:42,029 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-07-19 23:20:42,029 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 23:20:42,029 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 23:20:42,030 INFO L85 PathProgramCache]: Analyzing trace with hash 1394582415, now seen corresponding path program 1 times [2022-07-19 23:20:42,030 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 23:20:42,030 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1236627186] [2022-07-19 23:20:42,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 23:20:42,030 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 23:20:42,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:20:42,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-07-19 23:20:42,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:20:42,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-07-19 23:20:42,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:20:42,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-07-19 23:20:42,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:20:42,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-07-19 23:20:42,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:20:42,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2022-07-19 23:20:42,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:20:42,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-07-19 23:20:42,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:20:42,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-19 23:20:42,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:20:42,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2022-07-19 23:20:42,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:20:42,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2022-07-19 23:20:42,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:20:42,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2022-07-19 23:20:42,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:20:42,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-07-19 23:20:42,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:20:42,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2022-07-19 23:20:42,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:20:42,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-19 23:20:42,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:20:42,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2022-07-19 23:20:42,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:20:42,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2022-07-19 23:20:42,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:20:42,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-19 23:20:42,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:20:42,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-19 23:20:42,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:20:42,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-19 23:20:42,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:20:42,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-19 23:20:42,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:20:42,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2022-07-19 23:20:42,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:20:42,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2022-07-19 23:20:42,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:20:42,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2022-07-19 23:20:42,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:20:42,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2022-07-19 23:20:42,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:20:42,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2022-07-19 23:20:42,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:20:42,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-19 23:20:42,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:20:42,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-19 23:20:42,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:20:42,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-07-19 23:20:42,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:20:42,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-19 23:20:42,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:20:42,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-19 23:20:42,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:20:42,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-19 23:20:42,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:20:42,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-07-19 23:20:42,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:20:42,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-07-19 23:20:42,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:20:42,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2022-07-19 23:20:42,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:20:42,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-19 23:20:42,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:20:42,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-19 23:20:42,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:20:42,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-07-19 23:20:42,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:20:42,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-19 23:20:42,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:20:42,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-19 23:20:42,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:20:42,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-19 23:20:42,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:20:42,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-07-19 23:20:42,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:20:42,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-07-19 23:20:42,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:20:42,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 361 [2022-07-19 23:20:42,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:20:42,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-19 23:20:42,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:20:42,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-19 23:20:42,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:20:42,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-07-19 23:20:42,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:20:42,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-19 23:20:42,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:20:42,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-19 23:20:42,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:20:42,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-19 23:20:42,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:20:42,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-07-19 23:20:42,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:20:42,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-07-19 23:20:42,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:20:42,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 418 [2022-07-19 23:20:42,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:20:42,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-19 23:20:42,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:20:42,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-19 23:20:42,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:20:42,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-07-19 23:20:42,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:20:42,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-19 23:20:42,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:20:42,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2022-07-19 23:20:42,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:20:42,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-19 23:20:42,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:20:42,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-07-19 23:20:42,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:20:42,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-07-19 23:20:42,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:20:42,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 486 [2022-07-19 23:20:42,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:20:42,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 497 [2022-07-19 23:20:42,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:20:42,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 537 [2022-07-19 23:20:42,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:20:42,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 542 [2022-07-19 23:20:42,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:20:42,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 547 [2022-07-19 23:20:42,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:20:42,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 552 [2022-07-19 23:20:42,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:20:42,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 557 [2022-07-19 23:20:42,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:20:42,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 562 [2022-07-19 23:20:42,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:20:42,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 567 [2022-07-19 23:20:42,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:20:42,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 572 [2022-07-19 23:20:42,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:20:42,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 577 [2022-07-19 23:20:42,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:20:42,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 582 [2022-07-19 23:20:42,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:20:42,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 587 [2022-07-19 23:20:42,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:20:42,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 592 [2022-07-19 23:20:42,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:20:42,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 597 [2022-07-19 23:20:43,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:20:43,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 602 [2022-07-19 23:20:43,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:20:43,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 607 [2022-07-19 23:20:43,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:20:43,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 612 [2022-07-19 23:20:43,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:20:43,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 617 [2022-07-19 23:20:43,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:20:43,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 622 [2022-07-19 23:20:43,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:20:43,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 627 [2022-07-19 23:20:43,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:20:43,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 632 [2022-07-19 23:20:43,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:20:43,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 637 [2022-07-19 23:20:43,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:20:43,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 642 [2022-07-19 23:20:43,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:20:43,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-19 23:20:43,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:20:43,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-19 23:20:43,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:20:43,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-19 23:20:43,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:20:43,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-19 23:20:43,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:20:43,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 671 [2022-07-19 23:20:43,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:20:43,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 676 [2022-07-19 23:20:43,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:20:43,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 681 [2022-07-19 23:20:43,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:20:43,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-19 23:20:43,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:20:43,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-19 23:20:43,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:20:43,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-19 23:20:43,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:20:43,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-19 23:20:43,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:20:43,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 710 [2022-07-19 23:20:43,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:20:43,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-19 23:20:43,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:20:43,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-19 23:20:43,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:20:43,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-19 23:20:43,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:20:43,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-19 23:20:43,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:20:43,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 741 [2022-07-19 23:20:43,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:20:43,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 749 [2022-07-19 23:20:43,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:20:43,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 761 [2022-07-19 23:20:43,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:20:43,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 772 [2022-07-19 23:20:43,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:20:43,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-19 23:20:43,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:20:43,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 787 [2022-07-19 23:20:43,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:20:43,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 794 [2022-07-19 23:20:43,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:20:43,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 808 [2022-07-19 23:20:43,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:20:43,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 814 [2022-07-19 23:20:43,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 23:20:43,475 INFO L134 CoverageAnalysis]: Checked inductivity of 3567 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3567 trivial. 0 not checked. [2022-07-19 23:20:43,476 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 23:20:43,476 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1236627186] [2022-07-19 23:20:43,476 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1236627186] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 23:20:43,476 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 23:20:43,476 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-07-19 23:20:43,476 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2002040102] [2022-07-19 23:20:43,477 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 23:20:43,478 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-19 23:20:43,478 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 23:20:43,478 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-19 23:20:43,478 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-07-19 23:20:43,479 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) [2022-07-19 23:20:47,613 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-19 23:20:51,333 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.57s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-19 23:20:54,783 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-07-19 23:21:05,449 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.89s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-19 23:21:06,658 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.21s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-19 23:21:08,685 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-19 23:21:09,880 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-19 23:21:17,934 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []