./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--mtd--mtd.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5b36d44f 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-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--mtd--mtd.ko-entry_point.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 cd8248f52e54312770460b05c349f71bb63d094ef2f9e53f87d753bfc5b43661 --- Real Ultimate output --- This is Ultimate 0.2.1-wip.dd.seqcomp-5b36d44 [2021-11-07 14:19:56,696 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 14:19:56,698 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 14:19:56,742 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 14:19:56,744 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 14:19:56,745 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 14:19:56,747 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 14:19:56,748 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 14:19:56,750 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 14:19:56,753 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 14:19:56,753 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 14:19:56,754 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 14:19:56,755 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 14:19:56,757 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 14:19:56,758 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 14:19:56,759 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 14:19:56,761 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 14:19:56,776 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 14:19:56,777 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 14:19:56,780 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 14:19:56,783 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 14:19:56,784 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 14:19:56,785 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 14:19:56,785 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 14:19:56,786 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 14:19:56,787 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 14:19:56,787 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 14:19:56,787 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 14:19:56,787 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 14:19:56,788 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 14:19:56,788 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 14:19:56,788 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 14:19:56,789 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 14:19:56,789 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 14:19:56,790 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 14:19:56,790 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 14:19:56,790 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 14:19:56,790 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 14:19:56,791 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 14:19:56,794 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 14:19:56,795 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 14:19:56,796 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-11-07 14:19:56,840 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 14:19:56,841 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 14:19:56,841 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-07 14:19:56,841 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-07 14:19:56,843 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-07 14:19:56,843 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-07 14:19:56,843 INFO L138 SettingsManager]: * Use SBE=true [2021-11-07 14:19:56,843 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 14:19:56,843 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-07 14:19:56,844 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 14:19:56,844 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-07 14:19:56,844 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-07 14:19:56,845 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-07 14:19:56,845 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-07 14:19:56,845 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 14:19:56,845 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-07 14:19:56,845 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 14:19:56,845 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-07 14:19:56,845 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-07 14:19:56,846 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 14:19:56,846 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 14:19:56,846 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-07 14:19:56,846 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-07 14:19:56,846 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-07 14:19:56,846 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-07 14:19:56,847 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-07 14:19:56,847 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-07 14:19:56,848 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-07 14:19:56,848 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 14:19:56,848 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cd8248f52e54312770460b05c349f71bb63d094ef2f9e53f87d753bfc5b43661 [2021-11-07 14:19:57,035 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 14:19:57,051 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 14:19:57,053 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 14:19:57,054 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 14:19:57,054 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 14:19:57,055 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--mtd--mtd.ko-entry_point.cil.out.i [2021-11-07 14:19:57,098 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9b159ac3b/c41087b63c6a44319f5d11112da3cc80/FLAG6bc1f37ba [2021-11-07 14:19:57,663 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 14:19:57,664 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--mtd--mtd.ko-entry_point.cil.out.i [2021-11-07 14:19:57,705 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9b159ac3b/c41087b63c6a44319f5d11112da3cc80/FLAG6bc1f37ba [2021-11-07 14:19:57,837 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9b159ac3b/c41087b63c6a44319f5d11112da3cc80 [2021-11-07 14:19:57,840 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 14:19:57,841 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 14:19:57,844 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 14:19:57,844 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 14:19:57,847 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 14:19:57,848 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 02:19:57" (1/1) ... [2021-11-07 14:19:57,849 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@52420a6c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:19:57, skipping insertion in model container [2021-11-07 14:19:57,850 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 02:19:57" (1/1) ... [2021-11-07 14:19:57,854 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 14:19:57,973 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 14:19:59,562 WARN L228 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-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--mtd--mtd.ko-entry_point.cil.out.i[372693,372706] [2021-11-07 14:19:59,612 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 14:19:59,701 INFO L203 MainTranslator]: Completed pre-run [2021-11-07 14:20:00,055 WARN L228 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-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--mtd--mtd.ko-entry_point.cil.out.i[372693,372706] [2021-11-07 14:20:00,062 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 14:20:00,180 INFO L208 MainTranslator]: Completed translation [2021-11-07 14:20:00,181 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:20:00 WrapperNode [2021-11-07 14:20:00,181 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 14:20:00,183 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-07 14:20:00,183 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-07 14:20:00,183 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-07 14:20:00,188 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:20:00" (1/1) ... [2021-11-07 14:20:00,301 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:20:00" (1/1) ... [2021-11-07 14:20:00,745 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-07 14:20:00,746 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-07 14:20:00,746 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-07 14:20:00,746 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-07 14:20:00,752 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:20:00" (1/1) ... [2021-11-07 14:20:00,752 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:20:00" (1/1) ... [2021-11-07 14:20:00,937 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:20:00" (1/1) ... [2021-11-07 14:20:00,939 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:20:00" (1/1) ... [2021-11-07 14:20:01,135 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:20:00" (1/1) ... [2021-11-07 14:20:01,252 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:20:00" (1/1) ... [2021-11-07 14:20:01,298 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:20:00" (1/1) ... [2021-11-07 14:20:01,433 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-07 14:20:01,434 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-07 14:20:01,434 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-07 14:20:01,434 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-07 14:20:01,435 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:20:00" (1/1) ... [2021-11-07 14:20:01,440 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 14:20:01,447 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-07 14:20:01,476 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-07 14:20:01,494 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-07 14:20:01,509 INFO L130 BoogieDeclarations]: Found specification of procedure part_get_fact_prot_info [2021-11-07 14:20:01,510 INFO L138 BoogieDeclarations]: Found implementation of procedure part_get_fact_prot_info [2021-11-07 14:20:01,510 INFO L130 BoogieDeclarations]: Found specification of procedure part_write_oob [2021-11-07 14:20:01,510 INFO L138 BoogieDeclarations]: Found implementation of procedure part_write_oob [2021-11-07 14:20:01,511 INFO L130 BoogieDeclarations]: Found specification of procedure mtd_block_markbad [2021-11-07 14:20:01,511 INFO L138 BoogieDeclarations]: Found implementation of procedure mtd_block_markbad [2021-11-07 14:20:01,511 INFO L130 BoogieDeclarations]: Found specification of procedure mtd_read_oob [2021-11-07 14:20:01,511 INFO L138 BoogieDeclarations]: Found implementation of procedure mtd_read_oob [2021-11-07 14:20:01,511 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2021-11-07 14:20:01,511 INFO L130 BoogieDeclarations]: Found specification of procedure mtd_suspend [2021-11-07 14:20:01,511 INFO L138 BoogieDeclarations]: Found implementation of procedure mtd_suspend [2021-11-07 14:20:01,511 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-07 14:20:01,512 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-07 14:20:01,512 INFO L130 BoogieDeclarations]: Found specification of procedure put_mtd_device [2021-11-07 14:20:01,512 INFO L138 BoogieDeclarations]: Found implementation of procedure put_mtd_device [2021-11-07 14:20:01,512 INFO L130 BoogieDeclarations]: Found specification of procedure part_write_user_prot_reg [2021-11-07 14:20:01,512 INFO L138 BoogieDeclarations]: Found implementation of procedure part_write_user_prot_reg [2021-11-07 14:20:01,512 INFO L130 BoogieDeclarations]: Found specification of procedure mtd_get_user_prot_info [2021-11-07 14:20:01,512 INFO L138 BoogieDeclarations]: Found implementation of procedure mtd_get_user_prot_info [2021-11-07 14:20:01,512 INFO L130 BoogieDeclarations]: Found specification of procedure part_read [2021-11-07 14:20:01,513 INFO L138 BoogieDeclarations]: Found implementation of procedure part_read [2021-11-07 14:20:01,513 INFO L130 BoogieDeclarations]: Found specification of procedure concat_write_oob [2021-11-07 14:20:01,513 INFO L138 BoogieDeclarations]: Found implementation of procedure concat_write_oob [2021-11-07 14:20:01,513 INFO L130 BoogieDeclarations]: Found specification of procedure vm_iomap_memory [2021-11-07 14:20:01,513 INFO L130 BoogieDeclarations]: Found specification of procedure mtd_read_user_prot_reg [2021-11-07 14:20:01,513 INFO L138 BoogieDeclarations]: Found implementation of procedure mtd_read_user_prot_reg [2021-11-07 14:20:01,513 INFO L130 BoogieDeclarations]: Found specification of procedure part_panic_write [2021-11-07 14:20:01,513 INFO L138 BoogieDeclarations]: Found implementation of procedure part_panic_write [2021-11-07 14:20:01,514 INFO L130 BoogieDeclarations]: Found specification of procedure concat_unlock [2021-11-07 14:20:01,514 INFO L138 BoogieDeclarations]: Found implementation of procedure concat_unlock [2021-11-07 14:20:01,514 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~loff_t~0~X~int~X~$Pointer$~X~$Pointer$~TO~int [2021-11-07 14:20:01,514 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~loff_t~0~X~int~X~$Pointer$~X~$Pointer$~TO~int [2021-11-07 14:20:01,514 INFO L130 BoogieDeclarations]: Found specification of procedure concat_sync [2021-11-07 14:20:01,514 INFO L138 BoogieDeclarations]: Found implementation of procedure concat_sync [2021-11-07 14:20:01,514 INFO L130 BoogieDeclarations]: Found specification of procedure mtd_is_locked [2021-11-07 14:20:01,514 INFO L138 BoogieDeclarations]: Found implementation of procedure mtd_is_locked [2021-11-07 14:20:01,515 INFO L130 BoogieDeclarations]: Found specification of procedure part_block_isreserved [2021-11-07 14:20:01,515 INFO L138 BoogieDeclarations]: Found implementation of procedure part_block_isreserved [2021-11-07 14:20:01,515 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-07 14:20:01,515 INFO L130 BoogieDeclarations]: Found specification of procedure concat_write [2021-11-07 14:20:01,515 INFO L138 BoogieDeclarations]: Found implementation of procedure concat_write [2021-11-07 14:20:01,515 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~loff_t~0~X~$Pointer$~TO~int [2021-11-07 14:20:01,516 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~loff_t~0~X~$Pointer$~TO~int [2021-11-07 14:20:01,516 INFO L130 BoogieDeclarations]: Found specification of procedure part_is_locked [2021-11-07 14:20:01,516 INFO L138 BoogieDeclarations]: Found implementation of procedure part_is_locked [2021-11-07 14:20:01,516 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-07 14:20:01,516 INFO L130 BoogieDeclarations]: Found specification of procedure part_block_markbad [2021-11-07 14:20:01,517 INFO L138 BoogieDeclarations]: Found implementation of procedure part_block_markbad [2021-11-07 14:20:01,517 INFO L130 BoogieDeclarations]: Found specification of procedure concat_resume [2021-11-07 14:20:01,517 INFO L138 BoogieDeclarations]: Found implementation of procedure concat_resume [2021-11-07 14:20:01,517 INFO L130 BoogieDeclarations]: Found specification of procedure part_unlock [2021-11-07 14:20:01,517 INFO L138 BoogieDeclarations]: Found implementation of procedure part_unlock [2021-11-07 14:20:01,517 INFO L130 BoogieDeclarations]: Found specification of procedure mtd_read_fact_prot_reg [2021-11-07 14:20:01,517 INFO L138 BoogieDeclarations]: Found implementation of procedure mtd_read_fact_prot_reg [2021-11-07 14:20:01,517 INFO L130 BoogieDeclarations]: Found specification of procedure mtd_sync [2021-11-07 14:20:01,518 INFO L138 BoogieDeclarations]: Found implementation of procedure mtd_sync [2021-11-07 14:20:01,518 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-07 14:20:01,518 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-07 14:20:01,518 INFO L130 BoogieDeclarations]: Found specification of procedure mtd_unpoint [2021-11-07 14:20:01,518 INFO L138 BoogieDeclarations]: Found implementation of procedure mtd_unpoint [2021-11-07 14:20:01,519 INFO L130 BoogieDeclarations]: Found specification of procedure concat_erase [2021-11-07 14:20:01,519 INFO L138 BoogieDeclarations]: Found implementation of procedure concat_erase [2021-11-07 14:20:01,520 INFO L130 BoogieDeclarations]: Found specification of procedure mtd_erase_callback [2021-11-07 14:20:01,520 INFO L138 BoogieDeclarations]: Found implementation of procedure mtd_erase_callback [2021-11-07 14:20:01,520 INFO L130 BoogieDeclarations]: Found specification of procedure mtd_block_isreserved [2021-11-07 14:20:01,520 INFO L138 BoogieDeclarations]: Found implementation of procedure mtd_block_isreserved [2021-11-07 14:20:01,520 INFO L130 BoogieDeclarations]: Found specification of procedure part_read_fact_prot_reg [2021-11-07 14:20:01,520 INFO L138 BoogieDeclarations]: Found implementation of procedure part_read_fact_prot_reg [2021-11-07 14:20:01,521 INFO L130 BoogieDeclarations]: Found specification of procedure mtd_resume [2021-11-07 14:20:01,521 INFO L138 BoogieDeclarations]: Found implementation of procedure mtd_resume [2021-11-07 14:20:01,521 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-07 14:20:01,521 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-07 14:20:01,521 INFO L130 BoogieDeclarations]: Found specification of procedure mtd_write_oob [2021-11-07 14:20:01,522 INFO L138 BoogieDeclarations]: Found implementation of procedure mtd_write_oob [2021-11-07 14:20:01,522 INFO L130 BoogieDeclarations]: Found specification of procedure part_write [2021-11-07 14:20:01,522 INFO L138 BoogieDeclarations]: Found implementation of procedure part_write [2021-11-07 14:20:01,522 INFO L130 BoogieDeclarations]: Found specification of procedure concat_lock [2021-11-07 14:20:01,522 INFO L138 BoogieDeclarations]: Found implementation of procedure concat_lock [2021-11-07 14:20:01,522 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-07 14:20:01,522 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-11-07 14:20:01,522 INFO L130 BoogieDeclarations]: Found specification of procedure register_mtd_user [2021-11-07 14:20:01,523 INFO L138 BoogieDeclarations]: Found implementation of procedure register_mtd_user [2021-11-07 14:20:01,523 INFO L130 BoogieDeclarations]: Found specification of procedure mtd_lock_user_prot_reg [2021-11-07 14:20:01,523 INFO L138 BoogieDeclarations]: Found implementation of procedure mtd_lock_user_prot_reg [2021-11-07 14:20:01,523 INFO L130 BoogieDeclarations]: Found specification of procedure concat_block_isbad [2021-11-07 14:20:01,523 INFO L138 BoogieDeclarations]: Found implementation of procedure concat_block_isbad [2021-11-07 14:20:01,523 INFO L130 BoogieDeclarations]: Found specification of procedure mtd_write [2021-11-07 14:20:01,523 INFO L138 BoogieDeclarations]: Found implementation of procedure mtd_write [2021-11-07 14:20:01,523 INFO L130 BoogieDeclarations]: Found specification of procedure part_sync [2021-11-07 14:20:01,524 INFO L138 BoogieDeclarations]: Found implementation of procedure part_sync [2021-11-07 14:20:01,524 INFO L130 BoogieDeclarations]: Found specification of procedure concat_suspend [2021-11-07 14:20:01,524 INFO L138 BoogieDeclarations]: Found implementation of procedure concat_suspend [2021-11-07 14:20:01,524 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-07 14:20:01,524 INFO L130 BoogieDeclarations]: Found specification of procedure __get_mtd_device [2021-11-07 14:20:01,524 INFO L138 BoogieDeclarations]: Found implementation of procedure __get_mtd_device [2021-11-07 14:20:01,525 INFO L130 BoogieDeclarations]: Found specification of procedure part_read_oob [2021-11-07 14:20:01,525 INFO L138 BoogieDeclarations]: Found implementation of procedure part_read_oob [2021-11-07 14:20:01,525 INFO L130 BoogieDeclarations]: Found specification of procedure kill_mtd_super [2021-11-07 14:20:01,525 INFO L138 BoogieDeclarations]: Found implementation of procedure kill_mtd_super [2021-11-07 14:20:01,526 INFO L130 BoogieDeclarations]: Found specification of procedure mtd_block_isbad [2021-11-07 14:20:01,526 INFO L138 BoogieDeclarations]: Found implementation of procedure mtd_block_isbad [2021-11-07 14:20:01,526 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~$Pointer$~TO~int [2021-11-07 14:20:01,526 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~$Pointer$~TO~int [2021-11-07 14:20:01,526 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-07 14:20:01,527 INFO L130 BoogieDeclarations]: Found specification of procedure mtd_erase [2021-11-07 14:20:01,527 INFO L138 BoogieDeclarations]: Found implementation of procedure mtd_erase [2021-11-07 14:20:01,527 INFO L130 BoogieDeclarations]: Found specification of procedure concat_read [2021-11-07 14:20:01,527 INFO L138 BoogieDeclarations]: Found implementation of procedure concat_read [2021-11-07 14:20:01,527 INFO L130 BoogieDeclarations]: Found specification of procedure concat_read_oob [2021-11-07 14:20:01,527 INFO L138 BoogieDeclarations]: Found implementation of procedure concat_read_oob [2021-11-07 14:20:01,527 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-07 14:20:01,527 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-07 14:20:01,528 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-11-07 14:20:01,528 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-11-07 14:20:01,528 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-11-07 14:20:01,528 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-11-07 14:20:01,528 INFO L130 BoogieDeclarations]: Found specification of procedure __put_mtd_device [2021-11-07 14:20:01,528 INFO L138 BoogieDeclarations]: Found implementation of procedure __put_mtd_device [2021-11-07 14:20:01,528 INFO L130 BoogieDeclarations]: Found specification of procedure mtd_get_fact_prot_info [2021-11-07 14:20:01,529 INFO L138 BoogieDeclarations]: Found implementation of procedure mtd_get_fact_prot_info [2021-11-07 14:20:01,529 INFO L130 BoogieDeclarations]: Found specification of procedure mtd_unlock [2021-11-07 14:20:01,530 INFO L138 BoogieDeclarations]: Found implementation of procedure mtd_unlock [2021-11-07 14:20:01,531 INFO L130 BoogieDeclarations]: Found specification of procedure part_suspend [2021-11-07 14:20:01,531 INFO L138 BoogieDeclarations]: Found implementation of procedure part_suspend [2021-11-07 14:20:01,531 INFO L130 BoogieDeclarations]: Found specification of procedure part_unpoint [2021-11-07 14:20:01,531 INFO L138 BoogieDeclarations]: Found implementation of procedure part_unpoint [2021-11-07 14:20:01,532 INFO L130 BoogieDeclarations]: Found specification of procedure part_block_isbad [2021-11-07 14:20:01,532 INFO L138 BoogieDeclarations]: Found implementation of procedure part_block_isbad [2021-11-07 14:20:01,533 INFO L130 BoogieDeclarations]: Found specification of procedure mtd_read [2021-11-07 14:20:01,533 INFO L138 BoogieDeclarations]: Found implementation of procedure mtd_read [2021-11-07 14:20:01,533 INFO L130 BoogieDeclarations]: Found specification of procedure part_read_user_prot_reg [2021-11-07 14:20:01,537 INFO L138 BoogieDeclarations]: Found implementation of procedure part_read_user_prot_reg [2021-11-07 14:20:01,537 INFO L130 BoogieDeclarations]: Found specification of procedure mtd_lock [2021-11-07 14:20:01,537 INFO L138 BoogieDeclarations]: Found implementation of procedure mtd_lock [2021-11-07 14:20:01,538 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~loff_t~0~X~int~TO~int [2021-11-07 14:20:01,538 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~loff_t~0~X~int~TO~int [2021-11-07 14:20:01,538 INFO L130 BoogieDeclarations]: Found specification of procedure part_erase [2021-11-07 14:20:01,538 INFO L138 BoogieDeclarations]: Found implementation of procedure part_erase [2021-11-07 14:20:01,538 INFO L130 BoogieDeclarations]: Found specification of procedure concat_block_markbad [2021-11-07 14:20:01,538 INFO L138 BoogieDeclarations]: Found implementation of procedure concat_block_markbad [2021-11-07 14:20:01,538 INFO L130 BoogieDeclarations]: Found specification of procedure concat_dev_erase [2021-11-07 14:20:01,538 INFO L138 BoogieDeclarations]: Found implementation of procedure concat_dev_erase [2021-11-07 14:20:01,538 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~loff_t~0~TO~int [2021-11-07 14:20:01,539 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~loff_t~0~TO~int [2021-11-07 14:20:01,539 INFO L130 BoogieDeclarations]: Found specification of procedure part_resume [2021-11-07 14:20:01,539 INFO L138 BoogieDeclarations]: Found implementation of procedure part_resume [2021-11-07 14:20:01,539 INFO L130 BoogieDeclarations]: Found specification of procedure mtd_cls_suspend [2021-11-07 14:20:01,539 INFO L138 BoogieDeclarations]: Found implementation of procedure mtd_cls_suspend [2021-11-07 14:20:01,539 INFO L130 BoogieDeclarations]: Found specification of procedure part_lock_user_prot_reg [2021-11-07 14:20:01,539 INFO L138 BoogieDeclarations]: Found implementation of procedure part_lock_user_prot_reg [2021-11-07 14:20:01,539 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-11-07 14:20:01,539 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-11-07 14:20:01,540 INFO L130 BoogieDeclarations]: Found specification of procedure part_lock [2021-11-07 14:20:01,540 INFO L138 BoogieDeclarations]: Found implementation of procedure part_lock [2021-11-07 14:20:01,540 INFO L130 BoogieDeclarations]: Found specification of procedure mtd_panic_write [2021-11-07 14:20:01,540 INFO L138 BoogieDeclarations]: Found implementation of procedure mtd_panic_write [2021-11-07 14:20:01,540 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-07 14:20:01,540 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~loff_t~0~X~~uint64_t~0~TO~int [2021-11-07 14:20:01,540 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~loff_t~0~X~~uint64_t~0~TO~int [2021-11-07 14:20:01,540 INFO L130 BoogieDeclarations]: Found specification of procedure part_get_user_prot_info [2021-11-07 14:20:01,540 INFO L138 BoogieDeclarations]: Found implementation of procedure part_get_user_prot_info [2021-11-07 14:20:01,541 INFO L130 BoogieDeclarations]: Found specification of procedure mtd_write_user_prot_reg [2021-11-07 14:20:01,541 INFO L138 BoogieDeclarations]: Found implementation of procedure mtd_write_user_prot_reg [2021-11-07 14:20:01,541 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-07 14:20:01,541 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-07 14:20:27,066 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-07 14:20:27,066 INFO L299 CfgBuilder]: Removed 3134 assume(true) statements. [2021-11-07 14:20:27,072 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 02:20:27 BoogieIcfgContainer [2021-11-07 14:20:27,073 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-07 14:20:27,074 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-07 14:20:27,074 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-07 14:20:27,076 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-07 14:20:27,077 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 02:19:57" (1/3) ... [2021-11-07 14:20:27,077 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28e94f73 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 02:20:27, skipping insertion in model container [2021-11-07 14:20:27,077 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 02:20:00" (2/3) ... [2021-11-07 14:20:27,077 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28e94f73 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 02:20:27, skipping insertion in model container [2021-11-07 14:20:27,078 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 02:20:27" (3/3) ... [2021-11-07 14:20:27,079 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-08_1a-drivers--mtd--mtd.ko-entry_point.cil.out.i [2021-11-07 14:20:27,086 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-07 14:20:27,086 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2021-11-07 14:20:27,140 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-07 14:20:27,146 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-07 14:20:27,146 INFO L340 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2021-11-07 14:20:27,226 INFO L276 IsEmpty]: Start isEmpty. Operand has 4570 states, 4287 states have (on average 1.443900163284348) internal successors, (6190), 4312 states have internal predecessors, (6190), 201 states have call successors, (201), 73 states have call predecessors, (201), 73 states have return successors, (201), 193 states have call predecessors, (201), 201 states have call successors, (201) [2021-11-07 14:20:27,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2021-11-07 14:20:27,240 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 14:20:27,241 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 14:20:27,242 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [##fun~$Pointer$~TO~intErr0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~intErr1ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~intErr2ASSERT_VIOLATIONERROR_FUNCTION (and 5 more)] === [2021-11-07 14:20:27,245 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 14:20:27,245 INFO L85 PathProgramCache]: Analyzing trace with hash -183713943, now seen corresponding path program 1 times [2021-11-07 14:20:27,251 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 14:20:27,251 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [531914712] [2021-11-07 14:20:27,251 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 14:20:27,252 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 14:20:27,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 14:20:28,029 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 14:20:28,029 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 14:20:28,030 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [531914712] [2021-11-07 14:20:28,030 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [531914712] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 14:20:28,030 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 14:20:28,031 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-07 14:20:28,032 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [54698446] [2021-11-07 14:20:28,033 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 14:20:28,038 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-07 14:20:28,038 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 14:20:28,058 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-07 14:20:28,058 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-07 14:20:28,067 INFO L87 Difference]: Start difference. First operand has 4570 states, 4287 states have (on average 1.443900163284348) internal successors, (6190), 4312 states have internal predecessors, (6190), 201 states have call successors, (201), 73 states have call predecessors, (201), 73 states have return successors, (201), 193 states have call predecessors, (201), 201 states have call successors, (201) Second operand has 2 states, 2 states have (on average 116.5) internal successors, (233), 2 states have internal predecessors, (233), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 14:20:28,224 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 14:20:28,225 INFO L93 Difference]: Finished difference Result 9112 states and 13205 transitions. [2021-11-07 14:20:28,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-07 14:20:28,227 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 116.5) internal successors, (233), 2 states have internal predecessors, (233), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 233 [2021-11-07 14:20:28,227 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 14:20:28,259 INFO L225 Difference]: With dead ends: 9112 [2021-11-07 14:20:28,259 INFO L226 Difference]: Without dead ends: 4512 [2021-11-07 14:20:28,277 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.02ms TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-07 14:20:28,281 INFO L933 BasicCegarLoop]: 6380 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.00ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 6380 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 12.67ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.00ms IncrementalHoareTripleChecker+Time [2021-11-07 14:20:28,281 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 6380 Invalid, 0 Unknown, 0 Unchecked, 12.67ms Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.00ms Time] [2021-11-07 14:20:28,300 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4512 states. [2021-11-07 14:20:28,415 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4512 to 4512. [2021-11-07 14:20:28,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4512 states, 4230 states have (on average 1.3981087470449172) internal successors, (5914), 4254 states have internal predecessors, (5914), 201 states have call successors, (201), 73 states have call predecessors, (201), 73 states have return successors, (201), 193 states have call predecessors, (201), 201 states have call successors, (201) [2021-11-07 14:20:28,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4512 states to 4512 states and 6316 transitions. [2021-11-07 14:20:28,441 INFO L78 Accepts]: Start accepts. Automaton has 4512 states and 6316 transitions. Word has length 233 [2021-11-07 14:20:28,442 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 14:20:28,442 INFO L470 AbstractCegarLoop]: Abstraction has 4512 states and 6316 transitions. [2021-11-07 14:20:28,442 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 116.5) internal successors, (233), 2 states have internal predecessors, (233), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 14:20:28,442 INFO L276 IsEmpty]: Start isEmpty. Operand 4512 states and 6316 transitions. [2021-11-07 14:20:28,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2021-11-07 14:20:28,449 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 14:20:28,449 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 14:20:28,450 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-07 14:20:28,450 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [##fun~$Pointer$~TO~intErr0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~intErr1ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~intErr2ASSERT_VIOLATIONERROR_FUNCTION (and 5 more)] === [2021-11-07 14:20:28,451 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 14:20:28,452 INFO L85 PathProgramCache]: Analyzing trace with hash -541464559, now seen corresponding path program 1 times [2021-11-07 14:20:28,452 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 14:20:28,452 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [312337448] [2021-11-07 14:20:28,452 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 14:20:28,452 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 14:20:28,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 14:20:29,145 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 14:20:29,145 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 14:20:29,146 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [312337448] [2021-11-07 14:20:29,146 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [312337448] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 14:20:29,146 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 14:20:29,146 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 14:20:29,146 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1468419867] [2021-11-07 14:20:29,146 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 14:20:29,148 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 14:20:29,149 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 14:20:29,152 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 14:20:29,153 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 14:20:29,153 INFO L87 Difference]: Start difference. First operand 4512 states and 6316 transitions. Second operand has 3 states, 3 states have (on average 77.66666666666667) internal successors, (233), 3 states have internal predecessors, (233), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 14:20:31,501 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.34s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-07 14:20:31,865 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 14:20:31,865 INFO L93 Difference]: Finished difference Result 13039 states and 18433 transitions. [2021-11-07 14:20:31,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 14:20:31,866 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 77.66666666666667) internal successors, (233), 3 states have internal predecessors, (233), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 233 [2021-11-07 14:20:31,868 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 14:20:31,905 INFO L225 Difference]: With dead ends: 13039 [2021-11-07 14:20:31,905 INFO L226 Difference]: Without dead ends: 8742 [2021-11-07 14:20:31,919 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 4.85ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 14:20:31,921 INFO L933 BasicCegarLoop]: 6514 mSDtfsCounter, 6042 mSDsluCounter, 6269 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2355.43ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 6042 SdHoareTripleChecker+Valid, 12783 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 23.71ms SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2487.80ms IncrementalHoareTripleChecker+Time [2021-11-07 14:20:31,921 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6042 Valid, 12783 Invalid, 15 Unknown, 0 Unchecked, 23.71ms Time], IncrementalHoareTripleChecker [3 Valid, 11 Invalid, 1 Unknown, 0 Unchecked, 2487.80ms Time] [2021-11-07 14:20:31,933 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8742 states. [2021-11-07 14:20:32,111 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8742 to 8728. [2021-11-07 14:20:32,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8728 states, 8172 states have (on average 1.4099363680861479) internal successors, (11522), 8213 states have internal predecessors, (11522), 402 states have call successors, (402), 146 states have call predecessors, (402), 146 states have return successors, (402), 386 states have call predecessors, (402), 402 states have call successors, (402) [2021-11-07 14:20:32,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8728 states to 8728 states and 12326 transitions. [2021-11-07 14:20:32,157 INFO L78 Accepts]: Start accepts. Automaton has 8728 states and 12326 transitions. Word has length 233 [2021-11-07 14:20:32,159 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 14:20:32,159 INFO L470 AbstractCegarLoop]: Abstraction has 8728 states and 12326 transitions. [2021-11-07 14:20:32,160 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 77.66666666666667) internal successors, (233), 3 states have internal predecessors, (233), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 14:20:32,160 INFO L276 IsEmpty]: Start isEmpty. Operand 8728 states and 12326 transitions. [2021-11-07 14:20:32,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 236 [2021-11-07 14:20:32,163 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 14:20:32,164 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 14:20:32,164 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-07 14:20:32,164 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [##fun~$Pointer$~TO~intErr0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~intErr1ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~intErr2ASSERT_VIOLATIONERROR_FUNCTION (and 5 more)] === [2021-11-07 14:20:32,165 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 14:20:32,165 INFO L85 PathProgramCache]: Analyzing trace with hash 1485629854, now seen corresponding path program 1 times [2021-11-07 14:20:32,165 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 14:20:32,165 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1648137285] [2021-11-07 14:20:32,165 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 14:20:32,166 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 14:20:32,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 14:20:32,846 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 14:20:32,846 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 14:20:32,846 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1648137285] [2021-11-07 14:20:32,846 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1648137285] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 14:20:32,846 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 14:20:32,847 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-07 14:20:32,847 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1088994975] [2021-11-07 14:20:32,847 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 14:20:32,847 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 14:20:32,848 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 14:20:32,848 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 14:20:32,848 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 14:20:32,848 INFO L87 Difference]: Start difference. First operand 8728 states and 12326 transitions. Second operand has 3 states, 3 states have (on average 78.33333333333333) internal successors, (235), 2 states have internal predecessors, (235), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 14:20:33,151 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 14:20:33,152 INFO L93 Difference]: Finished difference Result 25738 states and 36773 transitions. [2021-11-07 14:20:33,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 14:20:33,152 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 78.33333333333333) internal successors, (235), 2 states have internal predecessors, (235), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 235 [2021-11-07 14:20:33,153 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 14:20:33,236 INFO L225 Difference]: With dead ends: 25738 [2021-11-07 14:20:33,236 INFO L226 Difference]: Without dead ends: 17220 [2021-11-07 14:20:33,265 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.07ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 14:20:33,266 INFO L933 BasicCegarLoop]: 6550 mSDtfsCounter, 6063 mSDsluCounter, 6133 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 37.87ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 6063 SdHoareTripleChecker+Valid, 12683 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 17.89ms SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 46.78ms IncrementalHoareTripleChecker+Time [2021-11-07 14:20:33,266 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6063 Valid, 12683 Invalid, 44 Unknown, 0 Unchecked, 17.89ms Time], IncrementalHoareTripleChecker [7 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 46.78ms Time] [2021-11-07 14:20:33,285 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17220 states. [2021-11-07 14:20:33,559 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17220 to 17199. [2021-11-07 14:20:33,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17199 states, 16095 states have (on average 1.4149735942839392) internal successors, (22774), 16170 states have internal predecessors, (22774), 804 states have call successors, (804), 292 states have call predecessors, (804), 292 states have return successors, (928), 772 states have call predecessors, (928), 804 states have call successors, (928) [2021-11-07 14:20:33,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17199 states to 17199 states and 24506 transitions. [2021-11-07 14:20:33,635 INFO L78 Accepts]: Start accepts. Automaton has 17199 states and 24506 transitions. Word has length 235 [2021-11-07 14:20:33,636 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 14:20:33,636 INFO L470 AbstractCegarLoop]: Abstraction has 17199 states and 24506 transitions. [2021-11-07 14:20:33,637 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 78.33333333333333) internal successors, (235), 2 states have internal predecessors, (235), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 14:20:33,638 INFO L276 IsEmpty]: Start isEmpty. Operand 17199 states and 24506 transitions. [2021-11-07 14:20:33,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2021-11-07 14:20:33,640 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 14:20:33,640 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 14:20:33,640 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-07 14:20:33,641 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ##fun~$Pointer$~TO~intErr0ASSERT_VIOLATIONERROR_FUNCTION === [##fun~$Pointer$~TO~intErr0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~intErr1ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~intErr2ASSERT_VIOLATIONERROR_FUNCTION (and 5 more)] === [2021-11-07 14:20:33,641 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 14:20:33,641 INFO L85 PathProgramCache]: Analyzing trace with hash 129233594, now seen corresponding path program 1 times [2021-11-07 14:20:33,641 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 14:20:33,641 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1457636785] [2021-11-07 14:20:33,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 14:20:33,642 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 14:20:33,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 14:20:34,095 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 14:20:34,095 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 14:20:34,095 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1457636785] [2021-11-07 14:20:34,095 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1457636785] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 14:20:34,096 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 14:20:34,096 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 14:20:34,096 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1949680102] [2021-11-07 14:20:34,096 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 14:20:34,097 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 14:20:34,097 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 14:20:34,097 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 14:20:34,097 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 14:20:34,097 INFO L87 Difference]: Start difference. First operand 17199 states and 24506 transitions. Second operand has 3 states, 3 states have (on average 79.33333333333333) internal successors, (238), 3 states have internal predecessors, (238), 1 states have call successors, (3), 1 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 14:20:35,001 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 14:20:35,001 INFO L93 Difference]: Finished difference Result 50773 states and 72402 transitions. [2021-11-07 14:20:35,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 14:20:35,002 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 79.33333333333333) internal successors, (238), 3 states have internal predecessors, (238), 1 states have call successors, (3), 1 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 241 [2021-11-07 14:20:35,002 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 14:20:35,107 INFO L225 Difference]: With dead ends: 50773 [2021-11-07 14:20:35,107 INFO L226 Difference]: Without dead ends: 33789 [2021-11-07 14:20:35,141 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.92ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 14:20:35,143 INFO L933 BasicCegarLoop]: 6894 mSDtfsCounter, 6140 mSDsluCounter, 6034 mSDsCounter, 0 mSdLazyCounter, 63 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 161.19ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 6140 SdHoareTripleChecker+Valid, 12928 SdHoareTripleChecker+Invalid, 65 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 21.11ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 63 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 190.55ms IncrementalHoareTripleChecker+Time [2021-11-07 14:20:35,144 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6140 Valid, 12928 Invalid, 65 Unknown, 0 Unchecked, 21.11ms Time], IncrementalHoareTripleChecker [2 Valid, 63 Invalid, 0 Unknown, 0 Unchecked, 190.55ms Time] [2021-11-07 14:20:35,173 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33789 states. [2021-11-07 14:20:35,665 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33789 to 33707. [2021-11-07 14:20:35,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33707 states, 31531 states have (on average 1.4154958612159463) internal successors, (44632), 31662 states have internal predecessors, (44632), 1584 states have call successors, (1584), 584 states have call predecessors, (1584), 584 states have return successors, (1820), 1520 states have call predecessors, (1820), 1584 states have call successors, (1820) [2021-11-07 14:20:35,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33707 states to 33707 states and 48036 transitions. [2021-11-07 14:20:35,812 INFO L78 Accepts]: Start accepts. Automaton has 33707 states and 48036 transitions. Word has length 241 [2021-11-07 14:20:35,812 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 14:20:35,812 INFO L470 AbstractCegarLoop]: Abstraction has 33707 states and 48036 transitions. [2021-11-07 14:20:35,813 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 79.33333333333333) internal successors, (238), 3 states have internal predecessors, (238), 1 states have call successors, (3), 1 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 14:20:35,813 INFO L276 IsEmpty]: Start isEmpty. Operand 33707 states and 48036 transitions. [2021-11-07 14:20:35,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 290 [2021-11-07 14:20:35,817 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 14:20:35,817 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-07 14:20:35,817 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-07 14:20:35,818 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting __put_mtd_deviceErr0ASSERT_VIOLATIONERROR_FUNCTION === [##fun~$Pointer$~TO~intErr0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~intErr1ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~intErr2ASSERT_VIOLATIONERROR_FUNCTION (and 5 more)] === [2021-11-07 14:20:35,818 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 14:20:35,818 INFO L85 PathProgramCache]: Analyzing trace with hash 2041312555, now seen corresponding path program 1 times [2021-11-07 14:20:35,818 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 14:20:35,818 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1733029544] [2021-11-07 14:20:35,819 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 14:20:35,819 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 14:20:36,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 14:20:36,420 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 14:20:36,420 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 14:20:36,421 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1733029544] [2021-11-07 14:20:36,421 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1733029544] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 14:20:36,421 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 14:20:36,421 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 14:20:36,421 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1983653029] [2021-11-07 14:20:36,421 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 14:20:36,422 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 14:20:36,422 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 14:20:36,422 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 14:20:36,423 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 14:20:36,423 INFO L87 Difference]: Start difference. First operand 33707 states and 48036 transitions. Second operand has 3 states, 3 states have (on average 95.66666666666667) internal successors, (287), 3 states have internal predecessors, (287), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 14:20:37,409 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 14:20:37,409 INFO L93 Difference]: Finished difference Result 70877 states and 101226 transitions. [2021-11-07 14:20:37,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 14:20:37,410 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 95.66666666666667) internal successors, (287), 3 states have internal predecessors, (287), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 289 [2021-11-07 14:20:37,412 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 14:20:37,526 INFO L225 Difference]: With dead ends: 70877 [2021-11-07 14:20:37,526 INFO L226 Difference]: Without dead ends: 37385 [2021-11-07 14:20:37,599 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.16ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 14:20:37,600 INFO L933 BasicCegarLoop]: 6985 mSDtfsCounter, 1245 mSDsluCounter, 6064 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 241.82ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 1245 SdHoareTripleChecker+Valid, 13049 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 15.40ms SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 289.57ms IncrementalHoareTripleChecker+Time [2021-11-07 14:20:37,600 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1245 Valid, 13049 Invalid, 35 Unknown, 0 Unchecked, 15.40ms Time], IncrementalHoareTripleChecker [2 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 289.57ms Time] [2021-11-07 14:20:37,634 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37385 states. [2021-11-07 14:20:38,341 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37385 to 37327. [2021-11-07 14:20:38,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37327 states, 34923 states have (on average 1.4189502620049823) internal successors, (49554), 35106 states have internal predecessors, (49554), 1740 states have call successors, (1740), 656 states have call predecessors, (1740), 656 states have return successors, (2054), 1644 states have call predecessors, (2054), 1740 states have call successors, (2054) [2021-11-07 14:20:38,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37327 states to 37327 states and 53348 transitions. [2021-11-07 14:20:38,495 INFO L78 Accepts]: Start accepts. Automaton has 37327 states and 53348 transitions. Word has length 289 [2021-11-07 14:20:38,496 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 14:20:38,496 INFO L470 AbstractCegarLoop]: Abstraction has 37327 states and 53348 transitions. [2021-11-07 14:20:38,497 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 95.66666666666667) internal successors, (287), 3 states have internal predecessors, (287), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 14:20:38,497 INFO L276 IsEmpty]: Start isEmpty. Operand 37327 states and 53348 transitions. [2021-11-07 14:20:38,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 293 [2021-11-07 14:20:38,502 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 14:20:38,502 INFO L514 BasicCegarLoop]: trace histogram [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] [2021-11-07 14:20:38,502 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-07 14:20:38,503 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ##fun~$Pointer$~TO~intErr0ASSERT_VIOLATIONERROR_FUNCTION === [##fun~$Pointer$~TO~intErr0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~intErr1ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~intErr2ASSERT_VIOLATIONERROR_FUNCTION (and 5 more)] === [2021-11-07 14:20:38,503 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 14:20:38,504 INFO L85 PathProgramCache]: Analyzing trace with hash -1197629839, now seen corresponding path program 1 times [2021-11-07 14:20:38,505 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 14:20:38,505 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [537030138] [2021-11-07 14:20:38,505 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 14:20:38,505 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 14:20:38,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 14:20:39,245 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-07 14:20:39,245 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 14:20:39,246 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [537030138] [2021-11-07 14:20:39,246 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [537030138] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 14:20:39,246 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 14:20:39,246 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 14:20:39,246 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2113918946] [2021-11-07 14:20:39,246 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 14:20:39,247 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 14:20:39,247 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 14:20:39,248 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 14:20:39,248 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 14:20:39,248 INFO L87 Difference]: Start difference. First operand 37327 states and 53348 transitions. Second operand has 3 states, 3 states have (on average 96.33333333333333) internal successors, (289), 3 states have internal predecessors, (289), 1 states have call successors, (3), 1 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 14:20:41,352 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-07 14:20:42,394 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 14:20:42,395 INFO L93 Difference]: Finished difference Result 92257 states and 132070 transitions. [2021-11-07 14:20:42,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 14:20:42,395 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 96.33333333333333) internal successors, (289), 3 states have internal predecessors, (289), 1 states have call successors, (3), 1 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 292 [2021-11-07 14:20:42,396 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 14:20:42,592 INFO L225 Difference]: With dead ends: 92257 [2021-11-07 14:20:42,593 INFO L226 Difference]: Without dead ends: 55145 [2021-11-07 14:20:42,665 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.69ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 14:20:42,666 INFO L933 BasicCegarLoop]: 7323 mSDtfsCounter, 5983 mSDsluCounter, 6244 mSDsCounter, 0 mSdLazyCounter, 82 mSolverCounterSat, 22 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2179.87ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 5983 SdHoareTripleChecker+Valid, 13567 SdHoareTripleChecker+Invalid, 105 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 16.68ms SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 82 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2325.20ms IncrementalHoareTripleChecker+Time [2021-11-07 14:20:42,668 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5983 Valid, 13567 Invalid, 105 Unknown, 0 Unchecked, 16.68ms Time], IncrementalHoareTripleChecker [22 Valid, 82 Invalid, 1 Unknown, 0 Unchecked, 2325.20ms Time] [2021-11-07 14:20:42,718 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55145 states. [2021-11-07 14:20:43,670 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55145 to 55063. [2021-11-07 14:20:43,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55063 states, 51587 states have (on average 1.419582452943571) internal successors, (73232), 51826 states have internal predecessors, (73232), 2520 states have call successors, (2520), 948 states have call predecessors, (2520), 948 states have return successors, (2946), 2392 states have call predecessors, (2946), 2520 states have call successors, (2946) [2021-11-07 14:20:43,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55063 states to 55063 states and 78698 transitions. [2021-11-07 14:20:43,910 INFO L78 Accepts]: Start accepts. Automaton has 55063 states and 78698 transitions. Word has length 292 [2021-11-07 14:20:43,911 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 14:20:43,911 INFO L470 AbstractCegarLoop]: Abstraction has 55063 states and 78698 transitions. [2021-11-07 14:20:43,911 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 96.33333333333333) internal successors, (289), 3 states have internal predecessors, (289), 1 states have call successors, (3), 1 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 14:20:43,912 INFO L276 IsEmpty]: Start isEmpty. Operand 55063 states and 78698 transitions. [2021-11-07 14:20:43,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 313 [2021-11-07 14:20:43,917 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 14:20:43,918 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 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] [2021-11-07 14:20:43,918 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-07 14:20:43,918 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ##fun~$Pointer$~TO~intErr0ASSERT_VIOLATIONERROR_FUNCTION === [##fun~$Pointer$~TO~intErr0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~intErr1ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~intErr2ASSERT_VIOLATIONERROR_FUNCTION (and 5 more)] === [2021-11-07 14:20:43,919 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 14:20:43,919 INFO L85 PathProgramCache]: Analyzing trace with hash -1362589949, now seen corresponding path program 1 times [2021-11-07 14:20:43,919 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 14:20:43,919 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1374187636] [2021-11-07 14:20:43,919 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 14:20:43,920 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 14:20:44,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 14:20:45,196 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-11-07 14:20:45,196 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 14:20:45,196 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1374187636] [2021-11-07 14:20:45,197 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1374187636] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 14:20:45,197 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 14:20:45,197 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-07 14:20:45,197 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1665363477] [2021-11-07 14:20:45,197 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 14:20:45,198 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-07 14:20:45,198 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 14:20:45,198 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-07 14:20:45,198 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 14:20:45,199 INFO L87 Difference]: Start difference. First operand 55063 states and 78698 transitions. Second operand has 3 states, 3 states have (on average 100.33333333333333) internal successors, (301), 3 states have internal predecessors, (301), 1 states have call successors, (3), 1 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 14:20:46,202 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 14:20:46,203 INFO L93 Difference]: Finished difference Result 109959 states and 157265 transitions. [2021-11-07 14:20:46,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-07 14:20:46,204 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 100.33333333333333) internal successors, (301), 3 states have internal predecessors, (301), 1 states have call successors, (3), 1 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 312 [2021-11-07 14:20:46,204 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 14:20:46,379 INFO L225 Difference]: With dead ends: 109959 [2021-11-07 14:20:46,380 INFO L226 Difference]: Without dead ends: 55100 [2021-11-07 14:20:46,476 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 4.03ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-07 14:20:46,477 INFO L933 BasicCegarLoop]: 6312 mSDtfsCounter, 0 mSDsluCounter, 6268 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 82.76ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 12580 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 12.04ms SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 99.66ms IncrementalHoareTripleChecker+Time [2021-11-07 14:20:46,478 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 12580 Invalid, 54 Unknown, 0 Unchecked, 12.04ms Time], IncrementalHoareTripleChecker [6 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 99.66ms Time] [2021-11-07 14:20:46,527 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55100 states. [2021-11-07 14:20:47,577 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55100 to 55100. [2021-11-07 14:20:47,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55100 states, 51624 states have (on average 1.419281729428173) internal successors, (73269), 51863 states have internal predecessors, (73269), 2520 states have call successors, (2520), 948 states have call predecessors, (2520), 948 states have return successors, (2946), 2392 states have call predecessors, (2946), 2520 states have call successors, (2946) [2021-11-07 14:20:47,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55100 states to 55100 states and 78735 transitions. [2021-11-07 14:20:47,943 INFO L78 Accepts]: Start accepts. Automaton has 55100 states and 78735 transitions. Word has length 312 [2021-11-07 14:20:47,944 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 14:20:47,944 INFO L470 AbstractCegarLoop]: Abstraction has 55100 states and 78735 transitions. [2021-11-07 14:20:47,944 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 100.33333333333333) internal successors, (301), 3 states have internal predecessors, (301), 1 states have call successors, (3), 1 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 14:20:47,944 INFO L276 IsEmpty]: Start isEmpty. Operand 55100 states and 78735 transitions. [2021-11-07 14:20:47,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 314 [2021-11-07 14:20:47,950 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 14:20:47,950 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 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] [2021-11-07 14:20:47,950 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-07 14:20:47,951 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ##fun~$Pointer$~TO~intErr0ASSERT_VIOLATIONERROR_FUNCTION === [##fun~$Pointer$~TO~intErr0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~intErr1ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~intErr2ASSERT_VIOLATIONERROR_FUNCTION (and 5 more)] === [2021-11-07 14:20:47,951 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 14:20:47,951 INFO L85 PathProgramCache]: Analyzing trace with hash -1588329443, now seen corresponding path program 1 times [2021-11-07 14:20:47,951 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 14:20:47,951 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [995215866] [2021-11-07 14:20:47,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 14:20:47,952 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 14:20:48,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 14:20:48,879 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-11-07 14:20:48,879 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 14:20:48,879 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [995215866] [2021-11-07 14:20:48,879 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [995215866] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 14:20:48,879 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [42878799] [2021-11-07 14:20:48,880 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 14:20:48,880 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 14:20:48,880 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-07 14:20:48,882 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 14:20:48,915 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-07 14:20:51,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 14:20:51,433 INFO L263 TraceCheckSpWp]: Trace formula consists of 9587 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-07 14:20:51,459 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-07 14:20:52,010 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-07 14:20:52,010 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-07 14:20:52,010 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [42878799] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 14:20:52,010 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-07 14:20:52,011 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [4] total 7 [2021-11-07 14:20:52,011 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1552782551] [2021-11-07 14:20:52,011 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 14:20:52,011 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-07 14:20:52,011 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 14:20:52,012 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-07 14:20:52,012 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-11-07 14:20:52,012 INFO L87 Difference]: Start difference. First operand 55100 states and 78735 transitions. Second operand has 5 states, 5 states have (on average 60.8) internal successors, (304), 5 states have internal predecessors, (304), 1 states have call successors, (3), 1 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 14:20:54,116 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-07 14:20:55,421 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 14:20:55,422 INFO L93 Difference]: Finished difference Result 110568 states and 158029 transitions. [2021-11-07 14:20:55,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-07 14:20:55,422 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 60.8) internal successors, (304), 5 states have internal predecessors, (304), 1 states have call successors, (3), 1 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 313 [2021-11-07 14:20:55,423 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 14:20:55,574 INFO L225 Difference]: With dead ends: 110568 [2021-11-07 14:20:55,575 INFO L226 Difference]: Without dead ends: 55630 [2021-11-07 14:20:55,652 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 319 GetRequests, 311 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 49.29ms TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2021-11-07 14:20:55,653 INFO L933 BasicCegarLoop]: 12364 mSDtfsCounter, 6067 mSDsluCounter, 31011 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 4 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2128.72ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 6067 SdHoareTripleChecker+Valid, 43375 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 37.46ms SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2257.13ms IncrementalHoareTripleChecker+Time [2021-11-07 14:20:55,653 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6067 Valid, 43375 Invalid, 35 Unknown, 0 Unchecked, 37.46ms Time], IncrementalHoareTripleChecker [4 Valid, 30 Invalid, 1 Unknown, 0 Unchecked, 2257.13ms Time] [2021-11-07 14:20:55,700 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55630 states. [2021-11-07 14:20:56,547 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55630 to 55069. [2021-11-07 14:20:56,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55069 states, 51593 states have (on average 1.418971565910104) internal successors, (73209), 51832 states have internal predecessors, (73209), 2520 states have call successors, (2520), 948 states have call predecessors, (2520), 948 states have return successors, (2946), 2392 states have call predecessors, (2946), 2520 states have call successors, (2946) [2021-11-07 14:20:56,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55069 states to 55069 states and 78675 transitions. [2021-11-07 14:20:56,923 INFO L78 Accepts]: Start accepts. Automaton has 55069 states and 78675 transitions. Word has length 313 [2021-11-07 14:20:56,924 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 14:20:56,924 INFO L470 AbstractCegarLoop]: Abstraction has 55069 states and 78675 transitions. [2021-11-07 14:20:56,924 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 60.8) internal successors, (304), 5 states have internal predecessors, (304), 1 states have call successors, (3), 1 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 14:20:56,924 INFO L276 IsEmpty]: Start isEmpty. Operand 55069 states and 78675 transitions. [2021-11-07 14:20:56,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 327 [2021-11-07 14:20:56,929 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 14:20:56,929 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 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] [2021-11-07 14:20:56,968 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2021-11-07 14:20:57,155 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 14:20:57,156 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ##fun~$Pointer$~TO~intErr0ASSERT_VIOLATIONERROR_FUNCTION === [##fun~$Pointer$~TO~intErr0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~intErr1ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~intErr2ASSERT_VIOLATIONERROR_FUNCTION (and 5 more)] === [2021-11-07 14:20:57,156 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 14:20:57,156 INFO L85 PathProgramCache]: Analyzing trace with hash 1863241533, now seen corresponding path program 1 times [2021-11-07 14:20:57,156 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 14:20:57,156 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [512626421] [2021-11-07 14:20:57,157 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 14:20:57,157 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 14:20:57,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 14:20:57,815 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-11-07 14:20:57,816 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 14:20:57,816 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [512626421] [2021-11-07 14:20:57,816 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [512626421] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-07 14:20:57,816 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-07 14:20:57,816 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-07 14:20:57,817 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1766368659] [2021-11-07 14:20:57,817 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-07 14:20:57,818 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-07 14:20:57,818 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-07 14:20:57,818 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-07 14:20:57,818 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-07 14:20:57,819 INFO L87 Difference]: Start difference. First operand 55069 states and 78675 transitions. Second operand has 4 states, 4 states have (on average 79.25) internal successors, (317), 4 states have internal predecessors, (317), 1 states have call successors, (3), 1 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 14:20:58,861 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-07 14:20:58,862 INFO L93 Difference]: Finished difference Result 109954 states and 157168 transitions. [2021-11-07 14:20:58,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-07 14:20:58,862 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 79.25) internal successors, (317), 4 states have internal predecessors, (317), 1 states have call successors, (3), 1 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 326 [2021-11-07 14:20:58,863 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-07 14:20:59,019 INFO L225 Difference]: With dead ends: 109954 [2021-11-07 14:20:59,019 INFO L226 Difference]: Without dead ends: 55089 [2021-11-07 14:20:59,113 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 12.34ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-07 14:20:59,113 INFO L933 BasicCegarLoop]: 6319 mSDtfsCounter, 19 mSDsluCounter, 12617 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19.37ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 18936 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 11.44ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 25.41ms IncrementalHoareTripleChecker+Time [2021-11-07 14:20:59,114 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [19 Valid, 18936 Invalid, 17 Unknown, 0 Unchecked, 11.44ms Time], IncrementalHoareTripleChecker [0 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 25.41ms Time] [2021-11-07 14:20:59,163 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55089 states. [2021-11-07 14:21:00,014 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55089 to 55071. [2021-11-07 14:21:00,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55071 states, 51595 states have (on average 1.418839034790193) internal successors, (73205), 51834 states have internal predecessors, (73205), 2520 states have call successors, (2520), 948 states have call predecessors, (2520), 948 states have return successors, (2946), 2392 states have call predecessors, (2946), 2520 states have call successors, (2946) [2021-11-07 14:21:00,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55071 states to 55071 states and 78671 transitions. [2021-11-07 14:21:00,382 INFO L78 Accepts]: Start accepts. Automaton has 55071 states and 78671 transitions. Word has length 326 [2021-11-07 14:21:00,384 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-07 14:21:00,384 INFO L470 AbstractCegarLoop]: Abstraction has 55071 states and 78671 transitions. [2021-11-07 14:21:00,384 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 79.25) internal successors, (317), 4 states have internal predecessors, (317), 1 states have call successors, (3), 1 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 14:21:00,385 INFO L276 IsEmpty]: Start isEmpty. Operand 55071 states and 78671 transitions. [2021-11-07 14:21:00,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 327 [2021-11-07 14:21:00,390 INFO L506 BasicCegarLoop]: Found error trace [2021-11-07 14:21:00,391 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 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] [2021-11-07 14:21:00,391 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-11-07 14:21:00,391 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ##fun~$Pointer$~TO~intErr0ASSERT_VIOLATIONERROR_FUNCTION === [##fun~$Pointer$~TO~intErr0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~intErr1ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~intErr2ASSERT_VIOLATIONERROR_FUNCTION (and 5 more)] === [2021-11-07 14:21:00,391 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 14:21:00,392 INFO L85 PathProgramCache]: Analyzing trace with hash -15889413, now seen corresponding path program 1 times [2021-11-07 14:21:00,392 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-07 14:21:00,393 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1232517026] [2021-11-07 14:21:00,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 14:21:00,393 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 14:21:00,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-07 14:21:01,126 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-11-07 14:21:01,127 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-07 14:21:01,127 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1232517026] [2021-11-07 14:21:01,127 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1232517026] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-07 14:21:01,127 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [469142929] [2021-11-07 14:21:01,127 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 14:21:01,128 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-07 14:21:01,128 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-07 14:21:01,134 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-07 14:21:01,136 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process Killed by 15