./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-43_2a-drivers--md--dm-snapshot.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 839c364b 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-43_2a-drivers--md--dm-snapshot.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 d8e7c5aa7005923070e9554b87b5a04ee24ecedc3d8bb5799929a04800a522a8 --- Real Ultimate output --- This is Ultimate 0.2.2-839c364b5d67a0f615c82cb70ab247790648d4a9-839c364 [2021-12-14 18:14:48,745 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-14 18:14:48,774 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-14 18:14:48,809 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-14 18:14:48,809 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-14 18:14:48,812 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-14 18:14:48,813 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-14 18:14:48,815 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-14 18:14:48,816 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-14 18:14:48,819 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-14 18:14:48,820 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-14 18:14:48,821 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-14 18:14:48,821 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-14 18:14:48,823 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-14 18:14:48,824 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-14 18:14:48,826 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-14 18:14:48,827 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-14 18:14:48,827 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-14 18:14:48,829 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-14 18:14:48,833 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-14 18:14:48,833 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-14 18:14:48,834 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-14 18:14:48,835 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-14 18:14:48,836 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-14 18:14:48,840 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-14 18:14:48,840 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-14 18:14:48,840 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-14 18:14:48,841 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-14 18:14:48,842 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-14 18:14:48,842 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-14 18:14:48,842 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-14 18:14:48,843 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-14 18:14:48,844 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-14 18:14:48,845 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-14 18:14:48,846 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-14 18:14:48,846 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-14 18:14:48,847 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-14 18:14:48,847 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-14 18:14:48,847 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-14 18:14:48,847 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-14 18:14:48,848 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-14 18:14:48,853 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-14 18:14:48,877 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-14 18:14:48,877 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-14 18:14:48,877 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-14 18:14:48,877 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-14 18:14:48,878 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-14 18:14:48,878 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-14 18:14:48,878 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-14 18:14:48,879 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-14 18:14:48,879 INFO L138 SettingsManager]: * Use SBE=true [2021-12-14 18:14:48,879 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-14 18:14:48,880 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-14 18:14:48,880 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-14 18:14:48,880 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-14 18:14:48,880 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-14 18:14:48,880 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-14 18:14:48,880 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-14 18:14:48,880 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-14 18:14:48,880 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-14 18:14:48,881 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-14 18:14:48,881 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-14 18:14:48,881 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-14 18:14:48,881 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-14 18:14:48,881 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-14 18:14:48,881 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-14 18:14:48,881 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-14 18:14:48,882 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-14 18:14:48,882 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-14 18:14:48,882 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-14 18:14:48,882 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-14 18:14:48,882 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-14 18:14:48,882 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-14 18:14:48,882 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d8e7c5aa7005923070e9554b87b5a04ee24ecedc3d8bb5799929a04800a522a8 [2021-12-14 18:14:49,127 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-14 18:14:49,154 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-14 18:14:49,156 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-14 18:14:49,157 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-14 18:14:49,157 INFO L275 PluginConnector]: CDTParser initialized [2021-12-14 18:14:49,158 INFO L432 ainManager$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-43_2a-drivers--md--dm-snapshot.ko-entry_point.cil.out.i [2021-12-14 18:14:49,223 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/27b8eca7c/432ad03ea63e455998b669906de3805d/FLAGb506fa93b [2021-12-14 18:14:49,964 INFO L306 CDTParser]: Found 1 translation units. [2021-12-14 18:14:49,965 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--md--dm-snapshot.ko-entry_point.cil.out.i [2021-12-14 18:14:50,002 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/27b8eca7c/432ad03ea63e455998b669906de3805d/FLAGb506fa93b [2021-12-14 18:14:50,185 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/27b8eca7c/432ad03ea63e455998b669906de3805d [2021-12-14 18:14:50,187 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-14 18:14:50,189 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-14 18:14:50,191 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-14 18:14:50,191 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-14 18:14:50,193 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-14 18:14:50,194 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 06:14:50" (1/1) ... [2021-12-14 18:14:50,194 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@672ab870 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:14:50, skipping insertion in model container [2021-12-14 18:14:50,195 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 06:14:50" (1/1) ... [2021-12-14 18:14:50,199 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-14 18:14:50,298 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-14 18:14:51,766 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--md--dm-snapshot.ko-entry_point.cil.out.i[294962,294975] [2021-12-14 18:14:51,807 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-14 18:14:51,845 INFO L203 MainTranslator]: Completed pre-run [2021-12-14 18:14:52,098 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--md--dm-snapshot.ko-entry_point.cil.out.i[294962,294975] [2021-12-14 18:14:52,105 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-14 18:14:52,277 INFO L208 MainTranslator]: Completed translation [2021-12-14 18:14:52,278 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:14:52 WrapperNode [2021-12-14 18:14:52,291 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-14 18:14:52,292 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-14 18:14:52,292 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-14 18:14:52,292 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-14 18:14:52,298 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:14:52" (1/1) ... [2021-12-14 18:14:52,381 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:14:52" (1/1) ... [2021-12-14 18:14:52,544 INFO L137 Inliner]: procedures = 381, calls = 2815, calls flagged for inlining = 157, calls inlined = 151, statements flattened = 6666 [2021-12-14 18:14:52,544 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-14 18:14:52,545 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-14 18:14:52,545 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-14 18:14:52,545 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-14 18:14:52,551 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:14:52" (1/1) ... [2021-12-14 18:14:52,551 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:14:52" (1/1) ... [2021-12-14 18:14:52,596 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:14:52" (1/1) ... [2021-12-14 18:14:52,596 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:14:52" (1/1) ... [2021-12-14 18:14:52,693 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:14:52" (1/1) ... [2021-12-14 18:14:52,716 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:14:52" (1/1) ... [2021-12-14 18:14:52,740 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:14:52" (1/1) ... [2021-12-14 18:14:52,774 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-14 18:14:52,775 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-14 18:14:52,775 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-14 18:14:52,775 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-14 18:14:52,776 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:14:52" (1/1) ... [2021-12-14 18:14:52,781 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-14 18:14:52,788 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 18:14:52,823 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-14 18:14:52,897 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-14 18:14:52,926 INFO L130 BoogieDeclarations]: Found specification of procedure dm_table_get_mode [2021-12-14 18:14:52,927 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_table_get_mode [2021-12-14 18:14:52,927 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2021-12-14 18:14:52,927 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2021-12-14 18:14:52,927 INFO L130 BoogieDeclarations]: Found specification of procedure dm_exception_table_init [2021-12-14 18:14:52,927 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_exception_table_init [2021-12-14 18:14:52,928 INFO L130 BoogieDeclarations]: Found specification of procedure dm_vcalloc [2021-12-14 18:14:52,935 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_vcalloc [2021-12-14 18:14:52,936 INFO L130 BoogieDeclarations]: Found specification of procedure bdev_get_queue [2021-12-14 18:14:52,936 INFO L138 BoogieDeclarations]: Found implementation of procedure bdev_get_queue [2021-12-14 18:14:52,936 INFO L130 BoogieDeclarations]: Found specification of procedure bio_endio [2021-12-14 18:14:52,936 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_endio [2021-12-14 18:14:52,937 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2021-12-14 18:14:52,937 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2021-12-14 18:14:52,937 INFO L130 BoogieDeclarations]: Found specification of procedure dm_table_get_md [2021-12-14 18:14:52,937 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_table_get_md [2021-12-14 18:14:52,937 INFO L130 BoogieDeclarations]: Found specification of procedure stop_merge [2021-12-14 18:14:52,937 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_merge [2021-12-14 18:14:52,937 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-14 18:14:52,937 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-14 18:14:52,937 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-14 18:14:52,938 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-14 18:14:52,938 INFO L130 BoogieDeclarations]: Found specification of procedure kmem_cache_create [2021-12-14 18:14:52,938 INFO L138 BoogieDeclarations]: Found implementation of procedure kmem_cache_create [2021-12-14 18:14:52,938 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-14 18:14:52,938 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-14 18:14:52,938 INFO L130 BoogieDeclarations]: Found specification of procedure dm_per_bio_data [2021-12-14 18:14:52,938 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_per_bio_data [2021-12-14 18:14:52,938 INFO L130 BoogieDeclarations]: Found specification of procedure snapshot_map [2021-12-14 18:14:52,938 INFO L138 BoogieDeclarations]: Found implementation of procedure snapshot_map [2021-12-14 18:14:52,939 INFO L130 BoogieDeclarations]: Found specification of procedure init_tracked_chunk [2021-12-14 18:14:52,939 INFO L138 BoogieDeclarations]: Found implementation of procedure init_tracked_chunk [2021-12-14 18:14:52,939 INFO L130 BoogieDeclarations]: Found specification of procedure exit_origin_hash [2021-12-14 18:14:52,939 INFO L138 BoogieDeclarations]: Found implementation of procedure exit_origin_hash [2021-12-14 18:14:52,939 INFO L130 BoogieDeclarations]: Found specification of procedure __find_pending_exception [2021-12-14 18:14:52,939 INFO L138 BoogieDeclarations]: Found implementation of procedure __find_pending_exception [2021-12-14 18:14:52,939 INFO L130 BoogieDeclarations]: Found specification of procedure track_chunk [2021-12-14 18:14:52,939 INFO L138 BoogieDeclarations]: Found implementation of procedure track_chunk [2021-12-14 18:14:52,939 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2021-12-14 18:14:52,940 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2021-12-14 18:14:52,940 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-14 18:14:52,940 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-14 18:14:52,940 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~~sector_t~0~X~~sector_t~0~X~$Pointer$~TO~int [2021-12-14 18:14:52,940 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~~sector_t~0~X~~sector_t~0~X~$Pointer$~TO~int [2021-12-14 18:14:52,940 INFO L130 BoogieDeclarations]: Found specification of procedure remap_exception [2021-12-14 18:14:52,940 INFO L138 BoogieDeclarations]: Found implementation of procedure remap_exception [2021-12-14 18:14:52,940 INFO L130 BoogieDeclarations]: Found specification of procedure read_pending_exceptions_done_count [2021-12-14 18:14:52,940 INFO L138 BoogieDeclarations]: Found implementation of procedure read_pending_exceptions_done_count [2021-12-14 18:14:52,941 INFO L130 BoogieDeclarations]: Found specification of procedure get_info [2021-12-14 18:14:52,941 INFO L138 BoogieDeclarations]: Found implementation of procedure get_info [2021-12-14 18:14:52,941 INFO L130 BoogieDeclarations]: Found specification of procedure origin_ctr [2021-12-14 18:14:52,941 INFO L138 BoogieDeclarations]: Found implementation of procedure origin_ctr [2021-12-14 18:14:52,941 INFO L130 BoogieDeclarations]: Found specification of procedure persistent_usage [2021-12-14 18:14:52,941 INFO L138 BoogieDeclarations]: Found implementation of procedure persistent_usage [2021-12-14 18:14:52,941 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_pending_exception [2021-12-14 18:14:52,959 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_pending_exception [2021-12-14 18:14:52,960 INFO L130 BoogieDeclarations]: Found specification of procedure get_dev_size [2021-12-14 18:14:52,960 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dev_size [2021-12-14 18:14:52,960 INFO L130 BoogieDeclarations]: Found specification of procedure chunk_to_sector [2021-12-14 18:14:52,961 INFO L138 BoogieDeclarations]: Found implementation of procedure chunk_to_sector [2021-12-14 18:14:52,961 INFO L130 BoogieDeclarations]: Found specification of procedure __might_sleep [2021-12-14 18:14:52,962 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_sleep [2021-12-14 18:14:52,962 INFO L130 BoogieDeclarations]: Found specification of procedure dm_insert_exception [2021-12-14 18:14:52,962 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_insert_exception [2021-12-14 18:14:52,963 INFO L130 BoogieDeclarations]: Found specification of procedure snapshot_merge_next_chunks [2021-12-14 18:14:52,963 INFO L138 BoogieDeclarations]: Found implementation of procedure snapshot_merge_next_chunks [2021-12-14 18:14:52,963 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2021-12-14 18:14:52,963 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2021-12-14 18:14:52,963 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-12-14 18:14:52,963 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-12-14 18:14:52,963 INFO L130 BoogieDeclarations]: Found specification of procedure __lookup_origin [2021-12-14 18:14:52,964 INFO L138 BoogieDeclarations]: Found implementation of procedure __lookup_origin [2021-12-14 18:14:52,964 INFO L130 BoogieDeclarations]: Found specification of procedure get_exception [2021-12-14 18:14:52,964 INFO L138 BoogieDeclarations]: Found implementation of procedure get_exception [2021-12-14 18:14:52,964 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-12-14 18:14:52,964 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-12-14 18:14:52,964 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-14 18:14:52,964 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-14 18:14:52,965 INFO L130 BoogieDeclarations]: Found specification of procedure transient_read_metadata [2021-12-14 18:14:52,965 INFO L138 BoogieDeclarations]: Found implementation of procedure transient_read_metadata [2021-12-14 18:14:52,965 INFO L130 BoogieDeclarations]: Found specification of procedure dm_exception_table_exit [2021-12-14 18:14:52,965 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_exception_table_exit [2021-12-14 18:14:52,965 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-14 18:14:52,965 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-14 18:14:52,965 INFO L130 BoogieDeclarations]: Found specification of procedure transient_usage [2021-12-14 18:14:52,965 INFO L138 BoogieDeclarations]: Found implementation of procedure transient_usage [2021-12-14 18:14:52,965 INFO L130 BoogieDeclarations]: Found specification of procedure snapshot_status [2021-12-14 18:14:52,966 INFO L138 BoogieDeclarations]: Found implementation of procedure snapshot_status [2021-12-14 18:14:52,966 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~VOID [2021-12-14 18:14:52,966 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~VOID [2021-12-14 18:14:52,966 INFO L130 BoogieDeclarations]: Found specification of procedure origin_postsuspend [2021-12-14 18:14:52,966 INFO L138 BoogieDeclarations]: Found implementation of procedure origin_postsuspend [2021-12-14 18:14:52,966 INFO L130 BoogieDeclarations]: Found specification of procedure sector_to_chunk [2021-12-14 18:14:52,967 INFO L138 BoogieDeclarations]: Found implementation of procedure sector_to_chunk [2021-12-14 18:14:52,967 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-12-14 18:14:52,967 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-12-14 18:14:52,967 INFO L130 BoogieDeclarations]: Found specification of procedure dm_kcopyd_copy [2021-12-14 18:14:52,968 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_kcopyd_copy [2021-12-14 18:14:52,968 INFO L130 BoogieDeclarations]: Found specification of procedure __init_rwsem [2021-12-14 18:14:52,968 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_rwsem [2021-12-14 18:14:52,968 INFO L130 BoogieDeclarations]: Found specification of procedure dm_snap_cow [2021-12-14 18:14:52,968 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_snap_cow [2021-12-14 18:14:52,968 INFO L130 BoogieDeclarations]: Found specification of procedure bdev_logical_block_size [2021-12-14 18:14:52,969 INFO L138 BoogieDeclarations]: Found implementation of procedure bdev_logical_block_size [2021-12-14 18:14:52,969 INFO L130 BoogieDeclarations]: Found specification of procedure persistent_drop_snapshot [2021-12-14 18:14:52,969 INFO L138 BoogieDeclarations]: Found implementation of procedure persistent_drop_snapshot [2021-12-14 18:14:52,969 INFO L130 BoogieDeclarations]: Found specification of procedure dm_unregister_target [2021-12-14 18:14:52,969 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_unregister_target [2021-12-14 18:14:52,969 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_area [2021-12-14 18:14:52,969 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_area [2021-12-14 18:14:52,969 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-14 18:14:52,970 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-12-14 18:14:52,970 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-12-14 18:14:52,970 INFO L130 BoogieDeclarations]: Found specification of procedure snapshot_merge_map [2021-12-14 18:14:52,970 INFO L138 BoogieDeclarations]: Found implementation of procedure snapshot_merge_map [2021-12-14 18:14:52,970 INFO L130 BoogieDeclarations]: Found specification of procedure snapshot_dtr [2021-12-14 18:14:52,970 INFO L138 BoogieDeclarations]: Found implementation of procedure snapshot_dtr [2021-12-14 18:14:52,971 INFO L130 BoogieDeclarations]: Found specification of procedure generic_make_request [2021-12-14 18:14:52,971 INFO L138 BoogieDeclarations]: Found implementation of procedure generic_make_request [2021-12-14 18:14:52,973 INFO L130 BoogieDeclarations]: Found specification of procedure down_read [2021-12-14 18:14:52,973 INFO L138 BoogieDeclarations]: Found implementation of procedure down_read [2021-12-14 18:14:52,973 INFO L130 BoogieDeclarations]: Found specification of procedure __invalidate_snapshot [2021-12-14 18:14:52,973 INFO L138 BoogieDeclarations]: Found implementation of procedure __invalidate_snapshot [2021-12-14 18:14:52,974 INFO L130 BoogieDeclarations]: Found specification of procedure free_completed_exception [2021-12-14 18:14:52,975 INFO L138 BoogieDeclarations]: Found implementation of procedure free_completed_exception [2021-12-14 18:14:52,975 INFO L130 BoogieDeclarations]: Found specification of procedure persistent_status [2021-12-14 18:14:52,975 INFO L138 BoogieDeclarations]: Found implementation of procedure persistent_status [2021-12-14 18:14:52,975 INFO L130 BoogieDeclarations]: Found specification of procedure mempool_destroy [2021-12-14 18:14:52,979 INFO L138 BoogieDeclarations]: Found implementation of procedure mempool_destroy [2021-12-14 18:14:52,979 INFO L130 BoogieDeclarations]: Found specification of procedure flush_bios [2021-12-14 18:14:52,979 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_bios [2021-12-14 18:14:52,979 INFO L130 BoogieDeclarations]: Found specification of procedure free_pending_exception [2021-12-14 18:14:52,980 INFO L138 BoogieDeclarations]: Found implementation of procedure free_pending_exception [2021-12-14 18:14:52,980 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-14 18:14:52,980 INFO L130 BoogieDeclarations]: Found specification of procedure free_area [2021-12-14 18:14:52,980 INFO L138 BoogieDeclarations]: Found implementation of procedure free_area [2021-12-14 18:14:52,980 INFO L130 BoogieDeclarations]: Found specification of procedure area_location [2021-12-14 18:14:52,980 INFO L138 BoogieDeclarations]: Found implementation of procedure area_location [2021-12-14 18:14:52,980 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~X~$Pointer$~TO~VOID [2021-12-14 18:14:52,980 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~X~$Pointer$~TO~VOID [2021-12-14 18:14:52,980 INFO L130 BoogieDeclarations]: Found specification of procedure persistent_dtr [2021-12-14 18:14:52,980 INFO L138 BoogieDeclarations]: Found implementation of procedure persistent_dtr [2021-12-14 18:14:52,981 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2021-12-14 18:14:52,981 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2021-12-14 18:14:52,981 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-12-14 18:14:52,981 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-12-14 18:14:52,981 INFO L130 BoogieDeclarations]: Found specification of procedure dm_kcopyd_client_destroy [2021-12-14 18:14:52,981 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_kcopyd_client_destroy [2021-12-14 18:14:52,981 INFO L130 BoogieDeclarations]: Found specification of procedure dm_transient_snapshot_exit [2021-12-14 18:14:52,981 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_transient_snapshot_exit [2021-12-14 18:14:52,981 INFO L130 BoogieDeclarations]: Found specification of procedure origin_resume [2021-12-14 18:14:52,981 INFO L138 BoogieDeclarations]: Found implementation of procedure origin_resume [2021-12-14 18:14:52,982 INFO L130 BoogieDeclarations]: Found specification of procedure get_origin_minimum_chunksize [2021-12-14 18:14:52,982 INFO L138 BoogieDeclarations]: Found implementation of procedure get_origin_minimum_chunksize [2021-12-14 18:14:52,982 INFO L130 BoogieDeclarations]: Found specification of procedure __lookup_pending_exception [2021-12-14 18:14:52,982 INFO L138 BoogieDeclarations]: Found implementation of procedure __lookup_pending_exception [2021-12-14 18:14:52,982 INFO L130 BoogieDeclarations]: Found specification of procedure up_write [2021-12-14 18:14:52,982 INFO L138 BoogieDeclarations]: Found implementation of procedure up_write [2021-12-14 18:14:52,982 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-14 18:14:52,982 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-14 18:14:52,982 INFO L130 BoogieDeclarations]: Found specification of procedure persistent_commit_exception [2021-12-14 18:14:52,982 INFO L138 BoogieDeclarations]: Found implementation of procedure persistent_commit_exception [2021-12-14 18:14:52,983 INFO L130 BoogieDeclarations]: Found specification of procedure bdev_equal [2021-12-14 18:14:52,983 INFO L138 BoogieDeclarations]: Found implementation of procedure bdev_equal [2021-12-14 18:14:52,983 INFO L130 BoogieDeclarations]: Found specification of procedure bio_list_get [2021-12-14 18:14:52,983 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_list_get [2021-12-14 18:14:52,983 INFO L130 BoogieDeclarations]: Found specification of procedure start_merge [2021-12-14 18:14:52,983 INFO L138 BoogieDeclarations]: Found implementation of procedure start_merge [2021-12-14 18:14:52,983 INFO L130 BoogieDeclarations]: Found specification of procedure dm_consecutive_chunk_count [2021-12-14 18:14:52,983 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_consecutive_chunk_count [2021-12-14 18:14:52,984 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2021-12-14 18:14:52,984 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2021-12-14 18:14:52,984 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-12-14 18:14:52,984 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-12-14 18:14:52,984 INFO L130 BoogieDeclarations]: Found specification of procedure persistent_ctr [2021-12-14 18:14:52,985 INFO L138 BoogieDeclarations]: Found implementation of procedure persistent_ctr [2021-12-14 18:14:52,985 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-12-14 18:14:52,985 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-12-14 18:14:52,985 INFO L130 BoogieDeclarations]: Found specification of procedure bio_list_init [2021-12-14 18:14:52,985 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_list_init [2021-12-14 18:14:52,985 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-14 18:14:52,985 INFO L130 BoogieDeclarations]: Found specification of procedure dm_exception_store_destroy [2021-12-14 18:14:52,985 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_exception_store_destroy [2021-12-14 18:14:52,986 INFO L130 BoogieDeclarations]: Found specification of procedure merge_shutdown [2021-12-14 18:14:52,986 INFO L138 BoogieDeclarations]: Found implementation of procedure merge_shutdown [2021-12-14 18:14:52,986 INFO L130 BoogieDeclarations]: Found specification of procedure dm_exception_store_exit [2021-12-14 18:14:52,986 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_exception_store_exit [2021-12-14 18:14:52,986 INFO L130 BoogieDeclarations]: Found specification of procedure origin_dtr [2021-12-14 18:14:52,986 INFO L138 BoogieDeclarations]: Found implementation of procedure origin_dtr [2021-12-14 18:14:52,986 INFO L130 BoogieDeclarations]: Found specification of procedure persistent_commit_merge [2021-12-14 18:14:52,986 INFO L138 BoogieDeclarations]: Found implementation of procedure persistent_commit_merge [2021-12-14 18:14:52,986 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-12-14 18:14:52,987 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-12-14 18:14:52,987 INFO L130 BoogieDeclarations]: Found specification of procedure start_copy [2021-12-14 18:14:52,988 INFO L138 BoogieDeclarations]: Found implementation of procedure start_copy [2021-12-14 18:14:52,988 INFO L130 BoogieDeclarations]: Found specification of procedure dm_put_device [2021-12-14 18:14:52,988 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_put_device [2021-12-14 18:14:52,988 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2021-12-14 18:14:52,988 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2021-12-14 18:14:52,988 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-14 18:14:52,988 INFO L130 BoogieDeclarations]: Found specification of procedure transient_ctr [2021-12-14 18:14:52,988 INFO L138 BoogieDeclarations]: Found implementation of procedure transient_ctr [2021-12-14 18:14:52,988 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-14 18:14:52,988 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_nonatomic [2021-12-14 18:14:52,989 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_nonatomic [2021-12-14 18:14:52,989 INFO L130 BoogieDeclarations]: Found specification of procedure origin_write_extent [2021-12-14 18:14:52,989 INFO L138 BoogieDeclarations]: Found implementation of procedure origin_write_extent [2021-12-14 18:14:52,989 INFO L130 BoogieDeclarations]: Found specification of procedure transient_status [2021-12-14 18:14:52,989 INFO L138 BoogieDeclarations]: Found implementation of procedure transient_status [2021-12-14 18:14:52,989 INFO L130 BoogieDeclarations]: Found specification of procedure dm_io [2021-12-14 18:14:52,989 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_io [2021-12-14 18:14:52,989 INFO L130 BoogieDeclarations]: Found specification of procedure snapshot_resume [2021-12-14 18:14:52,989 INFO L138 BoogieDeclarations]: Found implementation of procedure snapshot_resume [2021-12-14 18:14:52,989 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-12-14 18:14:52,989 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-12-14 18:14:52,990 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2021-12-14 18:14:52,990 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2021-12-14 18:14:52,990 INFO L130 BoogieDeclarations]: Found specification of procedure error_bios [2021-12-14 18:14:52,990 INFO L138 BoogieDeclarations]: Found implementation of procedure error_bios [2021-12-14 18:14:52,990 INFO L130 BoogieDeclarations]: Found specification of procedure snapshot_preresume [2021-12-14 18:14:52,990 INFO L138 BoogieDeclarations]: Found implementation of procedure snapshot_preresume [2021-12-14 18:14:52,990 INFO L130 BoogieDeclarations]: Found specification of procedure snapshot_iterate_devices [2021-12-14 18:14:52,990 INFO L138 BoogieDeclarations]: Found implementation of procedure snapshot_iterate_devices [2021-12-14 18:14:52,990 INFO L130 BoogieDeclarations]: Found specification of procedure origin_iterate_devices [2021-12-14 18:14:52,990 INFO L138 BoogieDeclarations]: Found implementation of procedure origin_iterate_devices [2021-12-14 18:14:52,991 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-14 18:14:52,991 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-14 18:14:52,991 INFO L130 BoogieDeclarations]: Found specification of procedure transient_dtr [2021-12-14 18:14:52,991 INFO L138 BoogieDeclarations]: Found implementation of procedure transient_dtr [2021-12-14 18:14:52,991 INFO L130 BoogieDeclarations]: Found specification of procedure put_type [2021-12-14 18:14:52,991 INFO L138 BoogieDeclarations]: Found implementation of procedure put_type [2021-12-14 18:14:52,991 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2021-12-14 18:14:52,991 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2021-12-14 18:14:52,991 INFO L130 BoogieDeclarations]: Found specification of procedure __insert_snapshot [2021-12-14 18:14:52,991 INFO L138 BoogieDeclarations]: Found implementation of procedure __insert_snapshot [2021-12-14 18:14:52,992 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2021-12-14 18:14:52,992 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2021-12-14 18:14:52,992 INFO L130 BoogieDeclarations]: Found specification of procedure persistent_prepare_merge [2021-12-14 18:14:52,992 INFO L138 BoogieDeclarations]: Found implementation of procedure persistent_prepare_merge [2021-12-14 18:14:52,992 INFO L130 BoogieDeclarations]: Found specification of procedure read_exception [2021-12-14 18:14:52,992 INFO L138 BoogieDeclarations]: Found implementation of procedure read_exception [2021-12-14 18:14:52,992 INFO L130 BoogieDeclarations]: Found specification of procedure dm_exception_store_type_unregister [2021-12-14 18:14:52,992 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_exception_store_type_unregister [2021-12-14 18:14:53,000 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-14 18:14:53,001 INFO L130 BoogieDeclarations]: Found specification of procedure get_type [2021-12-14 18:14:53,001 INFO L138 BoogieDeclarations]: Found implementation of procedure get_type [2021-12-14 18:14:53,001 INFO L130 BoogieDeclarations]: Found specification of procedure dm_exception_store_type_register [2021-12-14 18:14:53,001 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_exception_store_type_register [2021-12-14 18:14:53,001 INFO L130 BoogieDeclarations]: Found specification of procedure snapshot_ctr [2021-12-14 18:14:53,001 INFO L138 BoogieDeclarations]: Found implementation of procedure snapshot_ctr [2021-12-14 18:14:53,001 INFO L130 BoogieDeclarations]: Found specification of procedure persistent_read_metadata [2021-12-14 18:14:53,001 INFO L138 BoogieDeclarations]: Found implementation of procedure persistent_read_metadata [2021-12-14 18:14:53,001 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2021-12-14 18:14:53,001 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2021-12-14 18:14:53,001 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-14 18:14:53,001 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-14 18:14:53,001 INFO L130 BoogieDeclarations]: Found specification of procedure dm_exception_store_set_chunk_size [2021-12-14 18:14:53,001 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_exception_store_set_chunk_size [2021-12-14 18:14:53,001 INFO L130 BoogieDeclarations]: Found specification of procedure dm_consecutive_chunk_count_inc [2021-12-14 18:14:53,001 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_consecutive_chunk_count_inc [2021-12-14 18:14:53,001 INFO L130 BoogieDeclarations]: Found specification of procedure __find_snapshots_sharing_cow [2021-12-14 18:14:53,001 INFO L138 BoogieDeclarations]: Found implementation of procedure __find_snapshots_sharing_cow [2021-12-14 18:14:53,002 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2021-12-14 18:14:53,002 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2021-12-14 18:14:53,002 INFO L130 BoogieDeclarations]: Found specification of procedure dm_remove_exception [2021-12-14 18:14:53,002 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_remove_exception [2021-12-14 18:14:53,002 INFO L130 BoogieDeclarations]: Found specification of procedure snapshot_end_io [2021-12-14 18:14:53,002 INFO L138 BoogieDeclarations]: Found implementation of procedure snapshot_end_io [2021-12-14 18:14:53,002 INFO L130 BoogieDeclarations]: Found specification of procedure dm_chunk_number [2021-12-14 18:14:53,002 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_chunk_number [2021-12-14 18:14:53,002 INFO L130 BoogieDeclarations]: Found specification of procedure kmem_cache_destroy [2021-12-14 18:14:53,002 INFO L138 BoogieDeclarations]: Found implementation of procedure kmem_cache_destroy [2021-12-14 18:14:53,002 INFO L130 BoogieDeclarations]: Found specification of procedure skip_metadata [2021-12-14 18:14:53,002 INFO L138 BoogieDeclarations]: Found implementation of procedure skip_metadata [2021-12-14 18:14:53,002 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-14 18:14:53,002 INFO L130 BoogieDeclarations]: Found specification of procedure zero_disk_area [2021-12-14 18:14:53,002 INFO L138 BoogieDeclarations]: Found implementation of procedure zero_disk_area [2021-12-14 18:14:53,002 INFO L130 BoogieDeclarations]: Found specification of procedure origin_map [2021-12-14 18:14:53,002 INFO L138 BoogieDeclarations]: Found implementation of procedure origin_map [2021-12-14 18:14:53,002 INFO L130 BoogieDeclarations]: Found specification of procedure strrchr [2021-12-14 18:14:53,002 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2021-12-14 18:14:53,002 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2021-12-14 18:14:53,002 INFO L130 BoogieDeclarations]: Found specification of procedure up_read [2021-12-14 18:14:53,002 INFO L138 BoogieDeclarations]: Found implementation of procedure up_read [2021-12-14 18:14:53,002 INFO L130 BoogieDeclarations]: Found specification of procedure persistent_prepare_exception [2021-12-14 18:14:53,002 INFO L138 BoogieDeclarations]: Found implementation of procedure persistent_prepare_exception [2021-12-14 18:14:53,003 INFO L130 BoogieDeclarations]: Found specification of procedure origin_status [2021-12-14 18:14:53,003 INFO L138 BoogieDeclarations]: Found implementation of procedure origin_status [2021-12-14 18:14:53,003 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2021-12-14 18:14:53,003 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2021-12-14 18:14:53,003 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-14 18:14:53,003 INFO L130 BoogieDeclarations]: Found specification of procedure dm_register_target [2021-12-14 18:14:53,003 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_register_target [2021-12-14 18:14:53,003 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~TO~int [2021-12-14 18:14:53,005 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~TO~int [2021-12-14 18:14:53,005 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2021-12-14 18:14:53,006 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2021-12-14 18:14:53,006 INFO L130 BoogieDeclarations]: Found specification of procedure snapshot_merge_resume [2021-12-14 18:14:53,006 INFO L138 BoogieDeclarations]: Found implementation of procedure snapshot_merge_resume [2021-12-14 18:14:53,006 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-14 18:14:53,006 INFO L130 BoogieDeclarations]: Found specification of procedure __check_for_conflicting_io [2021-12-14 18:14:53,006 INFO L138 BoogieDeclarations]: Found implementation of procedure __check_for_conflicting_io [2021-12-14 18:14:53,006 INFO L130 BoogieDeclarations]: Found specification of procedure origin_hash [2021-12-14 18:14:53,006 INFO L138 BoogieDeclarations]: Found implementation of procedure origin_hash [2021-12-14 18:14:53,006 INFO L130 BoogieDeclarations]: Found specification of procedure __find_exception_store_type [2021-12-14 18:14:53,006 INFO L138 BoogieDeclarations]: Found implementation of procedure __find_exception_store_type [2021-12-14 18:14:53,006 INFO L130 BoogieDeclarations]: Found specification of procedure bio_list_add [2021-12-14 18:14:53,006 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_list_add [2021-12-14 18:14:53,006 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-12-14 18:14:53,006 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-12-14 18:14:53,006 INFO L130 BoogieDeclarations]: Found specification of procedure area_io [2021-12-14 18:14:53,006 INFO L138 BoogieDeclarations]: Found implementation of procedure area_io [2021-12-14 18:14:53,006 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2021-12-14 18:14:53,006 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2021-12-14 18:14:53,006 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_completed_exception [2021-12-14 18:14:53,006 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_completed_exception [2021-12-14 18:14:53,006 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2021-12-14 18:14:53,006 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2021-12-14 18:14:53,006 INFO L130 BoogieDeclarations]: Found specification of procedure ffs [2021-12-14 18:14:53,006 INFO L138 BoogieDeclarations]: Found implementation of procedure ffs [2021-12-14 18:14:53,007 INFO L130 BoogieDeclarations]: Found specification of procedure exception_hash [2021-12-14 18:14:53,007 INFO L138 BoogieDeclarations]: Found implementation of procedure exception_hash [2021-12-14 18:14:53,007 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2021-12-14 18:14:53,007 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2021-12-14 18:14:53,007 INFO L130 BoogieDeclarations]: Found specification of procedure chunk_io [2021-12-14 18:14:53,007 INFO L138 BoogieDeclarations]: Found implementation of procedure chunk_io [2021-12-14 18:14:53,007 INFO L130 BoogieDeclarations]: Found specification of procedure _get_exception_store_type [2021-12-14 18:14:53,007 INFO L138 BoogieDeclarations]: Found implementation of procedure _get_exception_store_type [2021-12-14 18:14:53,007 INFO L130 BoogieDeclarations]: Found specification of procedure origin_merge [2021-12-14 18:14:53,007 INFO L138 BoogieDeclarations]: Found implementation of procedure origin_merge [2021-12-14 18:14:53,007 INFO L130 BoogieDeclarations]: Found specification of procedure dm_exception_store_create [2021-12-14 18:14:53,007 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_exception_store_create [2021-12-14 18:14:53,007 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_snapshot [2021-12-14 18:14:53,007 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_snapshot [2021-12-14 18:14:53,007 INFO L130 BoogieDeclarations]: Found specification of procedure kmem_cache_free [2021-12-14 18:14:53,007 INFO L138 BoogieDeclarations]: Found implementation of procedure kmem_cache_free [2021-12-14 18:14:53,007 INFO L130 BoogieDeclarations]: Found specification of procedure pending_complete [2021-12-14 18:14:53,007 INFO L138 BoogieDeclarations]: Found implementation of procedure pending_complete [2021-12-14 18:14:53,007 INFO L130 BoogieDeclarations]: Found specification of procedure down_write [2021-12-14 18:14:53,007 INFO L138 BoogieDeclarations]: Found implementation of procedure down_write [2021-12-14 18:14:53,007 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-12-14 18:14:53,007 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-12-14 18:14:53,007 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-12-14 18:14:53,007 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-12-14 18:14:53,008 INFO L130 BoogieDeclarations]: Found specification of procedure dm_lookup_exception [2021-12-14 18:14:53,008 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_lookup_exception [2021-12-14 18:14:53,008 INFO L130 BoogieDeclarations]: Found specification of procedure transient_prepare_exception [2021-12-14 18:14:53,008 INFO L138 BoogieDeclarations]: Found implementation of procedure transient_prepare_exception [2021-12-14 18:14:53,008 INFO L130 BoogieDeclarations]: Found specification of procedure write_header [2021-12-14 18:14:53,008 INFO L138 BoogieDeclarations]: Found implementation of procedure write_header [2021-12-14 18:14:53,008 INFO L130 BoogieDeclarations]: Found specification of procedure transient_commit_exception [2021-12-14 18:14:53,008 INFO L138 BoogieDeclarations]: Found implementation of procedure transient_commit_exception [2021-12-14 18:14:53,008 INFO L130 BoogieDeclarations]: Found specification of procedure zero_memory_area [2021-12-14 18:14:53,008 INFO L138 BoogieDeclarations]: Found implementation of procedure zero_memory_area [2021-12-14 18:14:53,008 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-14 18:14:53,008 INFO L130 BoogieDeclarations]: Found specification of procedure do_origin [2021-12-14 18:14:53,008 INFO L138 BoogieDeclarations]: Found implementation of procedure do_origin [2021-12-14 18:14:53,008 INFO L130 BoogieDeclarations]: Found specification of procedure dm_get_device [2021-12-14 18:14:53,008 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_get_device [2021-12-14 18:14:53,008 INFO L130 BoogieDeclarations]: Found specification of procedure snapshot_merge_presuspend [2021-12-14 18:14:53,008 INFO L138 BoogieDeclarations]: Found implementation of procedure snapshot_merge_presuspend [2021-12-14 18:14:53,008 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-14 18:14:53,008 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-14 18:14:53,008 INFO L130 BoogieDeclarations]: Found specification of procedure __origin_write [2021-12-14 18:14:53,008 INFO L138 BoogieDeclarations]: Found implementation of procedure __origin_write [2021-12-14 18:14:53,008 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2021-12-14 18:14:53,008 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2021-12-14 18:14:54,136 INFO L236 CfgBuilder]: Building ICFG [2021-12-14 18:14:54,140 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-14 18:14:54,379 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-14 18:14:59,168 INFO L277 CfgBuilder]: Performing block encoding [2021-12-14 18:14:59,183 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-14 18:14:59,185 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-14 18:14:59,189 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 06:14:59 BoogieIcfgContainer [2021-12-14 18:14:59,190 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-14 18:14:59,192 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-14 18:14:59,192 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-14 18:14:59,196 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-14 18:14:59,196 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 06:14:50" (1/3) ... [2021-12-14 18:14:59,196 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ae3c8fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 06:14:59, skipping insertion in model container [2021-12-14 18:14:59,197 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:14:52" (2/3) ... [2021-12-14 18:14:59,197 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ae3c8fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 06:14:59, skipping insertion in model container [2021-12-14 18:14:59,197 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 06:14:59" (3/3) ... [2021-12-14 18:14:59,198 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--md--dm-snapshot.ko-entry_point.cil.out.i [2021-12-14 18:14:59,202 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-14 18:14:59,203 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-14 18:14:59,294 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-14 18:14:59,300 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-14 18:14:59,301 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-14 18:14:59,359 INFO L276 IsEmpty]: Start isEmpty. Operand has 2826 states, 1876 states have (on average 1.3246268656716418) internal successors, (2485), 1941 states have internal predecessors, (2485), 774 states have call successors, (774), 175 states have call predecessors, (774), 174 states have return successors, (765), 743 states have call predecessors, (765), 765 states have call successors, (765) [2021-12-14 18:14:59,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 474 [2021-12-14 18:14:59,373 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 18:14:59,374 INFO L514 BasicCegarLoop]: trace histogram [18, 18, 18, 18, 18, 18, 18, 18, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-14 18:14:59,375 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-14 18:14:59,379 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 18:14:59,379 INFO L85 PathProgramCache]: Analyzing trace with hash 1243293602, now seen corresponding path program 1 times [2021-12-14 18:14:59,386 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 18:14:59,386 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [510279656] [2021-12-14 18:14:59,387 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 18:14:59,388 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 18:14:59,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:00,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-14 18:15:00,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:00,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:15:00,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:00,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:15:00,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:00,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-14 18:15:00,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:00,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:15:00,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:00,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:15:00,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:00,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-14 18:15:00,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:00,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:15:00,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:00,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:15:00,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:00,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-14 18:15:00,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:00,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:15:00,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:00,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:15:00,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:00,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-14 18:15:00,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:00,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:15:00,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:00,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:15:00,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:00,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-14 18:15:00,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:00,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:15:00,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:00,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:15:00,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:00,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-14 18:15:00,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:00,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:15:00,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:00,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:15:00,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:00,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-14 18:15:00,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:00,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:15:00,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:00,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:15:00,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:00,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-14 18:15:00,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:00,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:15:00,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:00,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:15:00,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:00,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-14 18:15:00,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:00,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:15:00,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:00,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:15:00,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:00,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-12-14 18:15:00,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:00,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:15:00,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:00,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:15:00,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:00,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2021-12-14 18:15:00,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:00,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:15:00,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:00,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:15:00,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:00,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2021-12-14 18:15:00,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:00,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:15:00,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:00,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:15:00,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:00,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2021-12-14 18:15:00,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:00,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:15:00,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:00,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:15:00,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:00,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2021-12-14 18:15:00,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:00,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:15:00,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:00,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:15:00,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:00,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2021-12-14 18:15:00,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:00,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:15:00,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:00,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:15:00,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:00,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2021-12-14 18:15:00,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:00,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:15:00,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:00,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2021-12-14 18:15:00,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:00,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:15:00,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:00,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2021-12-14 18:15:00,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:00,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:15:00,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:00,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2021-12-14 18:15:00,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:00,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:15:00,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:00,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2021-12-14 18:15:00,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:00,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:15:00,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:00,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 314 [2021-12-14 18:15:00,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:00,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:15:00,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:00,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 325 [2021-12-14 18:15:00,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:00,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:15:00,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:00,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 336 [2021-12-14 18:15:00,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:00,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:15:00,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:00,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 347 [2021-12-14 18:15:00,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:00,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:15:00,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:00,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 358 [2021-12-14 18:15:00,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:00,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:15:00,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:00,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 369 [2021-12-14 18:15:00,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:00,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:15:00,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:00,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 380 [2021-12-14 18:15:00,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:00,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:15:00,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:00,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 391 [2021-12-14 18:15:00,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:00,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:15:00,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:00,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 402 [2021-12-14 18:15:00,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:00,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:15:00,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:00,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 413 [2021-12-14 18:15:00,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:00,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:15:00,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:00,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 424 [2021-12-14 18:15:00,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:00,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:15:00,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:00,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 435 [2021-12-14 18:15:00,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:00,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:15:00,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:00,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 446 [2021-12-14 18:15:00,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:00,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:15:00,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:01,001 INFO L134 CoverageAnalysis]: Checked inductivity of 3057 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3057 trivial. 0 not checked. [2021-12-14 18:15:01,001 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 18:15:01,001 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [510279656] [2021-12-14 18:15:01,002 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [510279656] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 18:15:01,002 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 18:15:01,002 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-14 18:15:01,003 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1025793680] [2021-12-14 18:15:01,004 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 18:15:01,007 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-14 18:15:01,007 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 18:15:01,024 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-14 18:15:01,025 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-14 18:15:01,030 INFO L87 Difference]: Start difference. First operand has 2826 states, 1876 states have (on average 1.3246268656716418) internal successors, (2485), 1941 states have internal predecessors, (2485), 774 states have call successors, (774), 175 states have call predecessors, (774), 174 states have return successors, (765), 743 states have call predecessors, (765), 765 states have call successors, (765) Second operand has 5 states, 5 states have (on average 12.8) internal successors, (64), 2 states have internal predecessors, (64), 2 states have call successors, (41), 5 states have call predecessors, (41), 2 states have return successors, (37), 2 states have call predecessors, (37), 2 states have call successors, (37) [2021-12-14 18:15:08,004 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-14 18:15:10,023 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-14 18:15:12,749 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 18:15:12,750 INFO L93 Difference]: Finished difference Result 5927 states and 8795 transitions. [2021-12-14 18:15:12,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-14 18:15:12,753 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.8) internal successors, (64), 2 states have internal predecessors, (64), 2 states have call successors, (41), 5 states have call predecessors, (41), 2 states have return successors, (37), 2 states have call predecessors, (37), 2 states have call successors, (37) Word has length 473 [2021-12-14 18:15:12,754 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-14 18:15:12,794 INFO L225 Difference]: With dead ends: 5927 [2021-12-14 18:15:12,794 INFO L226 Difference]: Without dead ends: 3076 [2021-12-14 18:15:12,811 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 204 GetRequests, 200 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2021-12-14 18:15:12,814 INFO L933 BasicCegarLoop]: 3705 mSDtfsCounter, 1609 mSDsluCounter, 4921 mSDsCounter, 0 mSdLazyCounter, 3090 mSolverCounterSat, 1987 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1651 SdHoareTripleChecker+Valid, 8626 SdHoareTripleChecker+Invalid, 5079 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1987 IncrementalHoareTripleChecker+Valid, 3090 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.3s IncrementalHoareTripleChecker+Time [2021-12-14 18:15:12,814 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1651 Valid, 8626 Invalid, 5079 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1987 Valid, 3090 Invalid, 2 Unknown, 0 Unchecked, 11.3s Time] [2021-12-14 18:15:12,830 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3076 states. [2021-12-14 18:15:12,963 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3076 to 2796. [2021-12-14 18:15:12,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2796 states, 1864 states have (on average 1.31706008583691) internal successors, (2455), 1918 states have internal predecessors, (2455), 758 states have call successors, (758), 174 states have call predecessors, (758), 173 states have return successors, (756), 734 states have call predecessors, (756), 756 states have call successors, (756) [2021-12-14 18:15:12,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2796 states to 2796 states and 3969 transitions. [2021-12-14 18:15:12,989 INFO L78 Accepts]: Start accepts. Automaton has 2796 states and 3969 transitions. Word has length 473 [2021-12-14 18:15:12,990 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-14 18:15:12,990 INFO L470 AbstractCegarLoop]: Abstraction has 2796 states and 3969 transitions. [2021-12-14 18:15:12,990 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.8) internal successors, (64), 2 states have internal predecessors, (64), 2 states have call successors, (41), 5 states have call predecessors, (41), 2 states have return successors, (37), 2 states have call predecessors, (37), 2 states have call successors, (37) [2021-12-14 18:15:12,991 INFO L276 IsEmpty]: Start isEmpty. Operand 2796 states and 3969 transitions. [2021-12-14 18:15:13,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 474 [2021-12-14 18:15:13,000 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 18:15:13,000 INFO L514 BasicCegarLoop]: trace histogram [18, 18, 18, 18, 18, 18, 18, 18, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-14 18:15:13,000 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-14 18:15:13,001 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-14 18:15:13,001 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 18:15:13,001 INFO L85 PathProgramCache]: Analyzing trace with hash -289965182, now seen corresponding path program 1 times [2021-12-14 18:15:13,001 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 18:15:13,001 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1227393624] [2021-12-14 18:15:13,002 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 18:15:13,002 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 18:15:13,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:13,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-14 18:15:13,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:13,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:15:13,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:13,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:15:13,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:13,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-14 18:15:13,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:13,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:15:13,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:13,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:15:13,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:13,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-14 18:15:13,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:13,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:15:13,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:13,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:15:13,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:13,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-14 18:15:13,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:13,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:15:13,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:13,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:15:13,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:13,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-14 18:15:13,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:13,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:15:13,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:13,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:15:13,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:13,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-14 18:15:13,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:13,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:15:13,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:13,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:15:13,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:13,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-14 18:15:13,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:13,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:15:13,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:13,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:15:13,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:13,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-14 18:15:13,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:13,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:15:13,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:13,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:15:13,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:13,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-14 18:15:13,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:13,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:15:13,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:13,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:15:13,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:13,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-14 18:15:13,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:13,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:15:13,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:13,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:15:13,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:13,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-12-14 18:15:13,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:13,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:15:13,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:13,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:15:13,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:13,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2021-12-14 18:15:13,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:13,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:15:13,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:13,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:15:13,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:13,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2021-12-14 18:15:13,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:13,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:15:13,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:13,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:15:13,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:13,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2021-12-14 18:15:13,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:13,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:15:13,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:13,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:15:13,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:13,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2021-12-14 18:15:13,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:13,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:15:13,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:13,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:15:13,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:13,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2021-12-14 18:15:13,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:13,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:15:13,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:13,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:15:13,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:13,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2021-12-14 18:15:13,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:13,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:15:13,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:13,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2021-12-14 18:15:13,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:13,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:15:13,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:13,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2021-12-14 18:15:13,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:13,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:15:13,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:13,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2021-12-14 18:15:13,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:13,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:15:13,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:13,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2021-12-14 18:15:13,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:13,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:15:13,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:13,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 314 [2021-12-14 18:15:13,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:13,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:15:13,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:13,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 325 [2021-12-14 18:15:13,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:13,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:15:13,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:13,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 336 [2021-12-14 18:15:13,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:13,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:15:13,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:13,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 347 [2021-12-14 18:15:13,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:13,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:15:13,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:13,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 358 [2021-12-14 18:15:13,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:13,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:15:13,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:13,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 369 [2021-12-14 18:15:13,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:13,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:15:13,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:13,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 380 [2021-12-14 18:15:13,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:13,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:15:13,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:13,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 391 [2021-12-14 18:15:13,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:13,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:15:13,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:13,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 402 [2021-12-14 18:15:13,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:13,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:15:13,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:13,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 413 [2021-12-14 18:15:13,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:13,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:15:13,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:13,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 424 [2021-12-14 18:15:13,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:13,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:15:13,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:13,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 435 [2021-12-14 18:15:13,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:13,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:15:13,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:13,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 446 [2021-12-14 18:15:13,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:13,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:15:13,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:13,755 INFO L134 CoverageAnalysis]: Checked inductivity of 3057 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3057 trivial. 0 not checked. [2021-12-14 18:15:13,756 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 18:15:13,756 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1227393624] [2021-12-14 18:15:13,757 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1227393624] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 18:15:13,757 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 18:15:13,757 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-14 18:15:13,758 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1009903936] [2021-12-14 18:15:13,760 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 18:15:13,762 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-14 18:15:13,762 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 18:15:13,762 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-14 18:15:13,762 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-14 18:15:13,763 INFO L87 Difference]: Start difference. First operand 2796 states and 3969 transitions. Second operand has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 3 states have internal predecessors, (64), 2 states have call successors, (41), 5 states have call predecessors, (41), 1 states have return successors, (37), 1 states have call predecessors, (37), 1 states have call successors, (37) [2021-12-14 18:15:17,105 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.87s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-12-14 18:15:21,000 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-14 18:15:22,694 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.69s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-14 18:15:30,682 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 18:15:30,682 INFO L93 Difference]: Finished difference Result 8707 states and 12563 transitions. [2021-12-14 18:15:30,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-14 18:15:30,683 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 3 states have internal predecessors, (64), 2 states have call successors, (41), 5 states have call predecessors, (41), 1 states have return successors, (37), 1 states have call predecessors, (37), 1 states have call successors, (37) Word has length 473 [2021-12-14 18:15:30,684 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-14 18:15:30,712 INFO L225 Difference]: With dead ends: 8707 [2021-12-14 18:15:30,712 INFO L226 Difference]: Without dead ends: 5982 [2021-12-14 18:15:30,724 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 178 GetRequests, 170 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2021-12-14 18:15:30,725 INFO L933 BasicCegarLoop]: 4223 mSDtfsCounter, 6462 mSDsluCounter, 8359 mSDsCounter, 0 mSdLazyCounter, 5656 mSolverCounterSat, 4329 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6858 SdHoareTripleChecker+Valid, 12582 SdHoareTripleChecker+Invalid, 9986 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4329 IncrementalHoareTripleChecker+Valid, 5656 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.3s IncrementalHoareTripleChecker+Time [2021-12-14 18:15:30,725 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6858 Valid, 12582 Invalid, 9986 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4329 Valid, 5656 Invalid, 1 Unknown, 0 Unchecked, 16.3s Time] [2021-12-14 18:15:30,732 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5982 states. [2021-12-14 18:15:30,865 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5982 to 5416. [2021-12-14 18:15:30,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5416 states, 3616 states have (on average 1.3155420353982301) internal successors, (4757), 3724 states have internal predecessors, (4757), 1453 states have call successors, (1453), 347 states have call predecessors, (1453), 346 states have return successors, (1451), 1406 states have call predecessors, (1451), 1451 states have call successors, (1451) [2021-12-14 18:15:30,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5416 states to 5416 states and 7661 transitions. [2021-12-14 18:15:30,893 INFO L78 Accepts]: Start accepts. Automaton has 5416 states and 7661 transitions. Word has length 473 [2021-12-14 18:15:30,896 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-14 18:15:30,896 INFO L470 AbstractCegarLoop]: Abstraction has 5416 states and 7661 transitions. [2021-12-14 18:15:30,897 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 3 states have internal predecessors, (64), 2 states have call successors, (41), 5 states have call predecessors, (41), 1 states have return successors, (37), 1 states have call predecessors, (37), 1 states have call successors, (37) [2021-12-14 18:15:30,897 INFO L276 IsEmpty]: Start isEmpty. Operand 5416 states and 7661 transitions. [2021-12-14 18:15:30,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 475 [2021-12-14 18:15:30,901 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 18:15:30,902 INFO L514 BasicCegarLoop]: trace histogram [18, 18, 18, 18, 18, 18, 18, 18, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-14 18:15:30,902 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-14 18:15:30,902 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-14 18:15:30,902 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 18:15:30,903 INFO L85 PathProgramCache]: Analyzing trace with hash -2027837579, now seen corresponding path program 1 times [2021-12-14 18:15:30,903 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 18:15:30,904 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [651850733] [2021-12-14 18:15:30,905 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 18:15:30,905 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 18:15:31,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:31,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-14 18:15:31,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:31,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:15:31,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:31,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:15:31,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:31,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-14 18:15:31,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:31,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:15:31,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:31,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:15:31,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:31,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-14 18:15:31,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:31,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:15:31,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:31,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:15:31,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:31,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-14 18:15:31,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:31,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:15:31,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:31,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:15:31,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:31,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-14 18:15:31,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:31,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:15:31,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:31,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:15:31,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:31,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-14 18:15:31,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:31,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:15:31,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:31,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:15:31,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:31,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-14 18:15:31,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:31,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:15:31,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:31,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:15:31,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:31,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-14 18:15:31,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:31,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:15:31,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:31,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:15:31,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:31,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-14 18:15:31,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:31,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:15:31,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:31,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:15:31,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:31,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-14 18:15:31,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:31,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:15:31,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:31,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:15:31,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:31,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-12-14 18:15:31,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:31,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:15:31,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:31,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:15:31,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:31,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2021-12-14 18:15:31,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:31,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:15:31,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:31,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:15:31,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:31,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2021-12-14 18:15:31,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:31,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:15:31,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:31,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:15:31,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:31,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2021-12-14 18:15:31,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:31,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:15:31,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:31,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:15:31,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:31,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2021-12-14 18:15:31,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:31,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:15:31,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:31,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:15:31,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:31,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2021-12-14 18:15:31,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:31,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:15:31,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:31,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:15:31,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:31,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2021-12-14 18:15:31,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:31,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:15:31,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:31,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2021-12-14 18:15:31,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:31,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:15:31,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:31,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2021-12-14 18:15:31,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:31,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:15:31,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:31,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2021-12-14 18:15:31,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:31,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:15:31,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:31,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2021-12-14 18:15:31,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:31,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:15:31,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:31,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 314 [2021-12-14 18:15:31,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:31,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:15:31,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:31,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 325 [2021-12-14 18:15:31,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:31,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:15:31,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:31,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 336 [2021-12-14 18:15:31,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:31,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:15:31,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:31,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 347 [2021-12-14 18:15:31,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:31,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:15:31,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:31,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 358 [2021-12-14 18:15:31,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:31,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:15:31,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:31,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 369 [2021-12-14 18:15:31,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:31,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:15:31,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:31,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 380 [2021-12-14 18:15:31,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:31,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:15:31,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:31,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 391 [2021-12-14 18:15:31,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:31,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:15:31,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:31,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 402 [2021-12-14 18:15:31,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:31,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:15:31,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:31,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 413 [2021-12-14 18:15:31,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:31,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:15:31,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:31,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 424 [2021-12-14 18:15:31,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:31,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:15:31,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:31,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 435 [2021-12-14 18:15:31,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:31,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:15:31,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:31,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 446 [2021-12-14 18:15:31,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:31,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:15:31,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:31,720 INFO L134 CoverageAnalysis]: Checked inductivity of 3057 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3057 trivial. 0 not checked. [2021-12-14 18:15:31,720 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 18:15:31,722 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [651850733] [2021-12-14 18:15:31,722 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [651850733] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 18:15:31,723 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 18:15:31,723 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-14 18:15:31,723 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1446335664] [2021-12-14 18:15:31,723 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 18:15:31,724 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-14 18:15:31,724 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 18:15:31,725 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-14 18:15:31,725 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-14 18:15:31,725 INFO L87 Difference]: Start difference. First operand 5416 states and 7661 transitions. Second operand has 6 states, 6 states have (on average 10.833333333333334) internal successors, (65), 3 states have internal predecessors, (65), 2 states have call successors, (41), 5 states have call predecessors, (41), 1 states have return successors, (37), 1 states have call predecessors, (37), 1 states have call successors, (37) [2021-12-14 18:15:35,428 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-12-14 18:15:36,832 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.40s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-12-14 18:15:40,064 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-14 18:15:47,354 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 18:15:47,355 INFO L93 Difference]: Finished difference Result 16957 states and 24375 transitions. [2021-12-14 18:15:47,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-14 18:15:47,355 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.833333333333334) internal successors, (65), 3 states have internal predecessors, (65), 2 states have call successors, (41), 5 states have call predecessors, (41), 1 states have return successors, (37), 1 states have call predecessors, (37), 1 states have call successors, (37) Word has length 474 [2021-12-14 18:15:47,363 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-14 18:15:47,419 INFO L225 Difference]: With dead ends: 16957 [2021-12-14 18:15:47,420 INFO L226 Difference]: Without dead ends: 11612 [2021-12-14 18:15:47,444 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 178 GetRequests, 170 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2021-12-14 18:15:47,445 INFO L933 BasicCegarLoop]: 4370 mSDtfsCounter, 6696 mSDsluCounter, 6880 mSDsCounter, 0 mSdLazyCounter, 4366 mSolverCounterSat, 4429 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7100 SdHoareTripleChecker+Valid, 11250 SdHoareTripleChecker+Invalid, 8797 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4429 IncrementalHoareTripleChecker+Valid, 4366 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.1s IncrementalHoareTripleChecker+Time [2021-12-14 18:15:47,445 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7100 Valid, 11250 Invalid, 8797 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4429 Valid, 4366 Invalid, 2 Unknown, 0 Unchecked, 15.1s Time] [2021-12-14 18:15:47,455 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11612 states. [2021-12-14 18:15:47,813 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11612 to 10492. [2021-12-14 18:15:47,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10492 states, 7004 states have (on average 1.3129640205596802) internal successors, (9196), 7220 states have internal predecessors, (9196), 2799 states have call successors, (2799), 689 states have call predecessors, (2799), 688 states have return successors, (2797), 2706 states have call predecessors, (2797), 2797 states have call successors, (2797) [2021-12-14 18:15:47,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10492 states to 10492 states and 14792 transitions. [2021-12-14 18:15:47,877 INFO L78 Accepts]: Start accepts. Automaton has 10492 states and 14792 transitions. Word has length 474 [2021-12-14 18:15:47,880 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-14 18:15:47,880 INFO L470 AbstractCegarLoop]: Abstraction has 10492 states and 14792 transitions. [2021-12-14 18:15:47,881 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.833333333333334) internal successors, (65), 3 states have internal predecessors, (65), 2 states have call successors, (41), 5 states have call predecessors, (41), 1 states have return successors, (37), 1 states have call predecessors, (37), 1 states have call successors, (37) [2021-12-14 18:15:47,881 INFO L276 IsEmpty]: Start isEmpty. Operand 10492 states and 14792 transitions. [2021-12-14 18:15:47,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 481 [2021-12-14 18:15:47,887 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 18:15:47,887 INFO L514 BasicCegarLoop]: trace histogram [18, 18, 18, 18, 18, 18, 18, 18, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-14 18:15:47,887 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-14 18:15:47,887 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-14 18:15:47,888 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 18:15:47,888 INFO L85 PathProgramCache]: Analyzing trace with hash 50028138, now seen corresponding path program 1 times [2021-12-14 18:15:47,888 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 18:15:47,888 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1517552684] [2021-12-14 18:15:47,888 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 18:15:47,888 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 18:15:48,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:48,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-14 18:15:48,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:48,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:15:48,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:48,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:15:48,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:48,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-14 18:15:48,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:48,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:15:48,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:48,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:15:48,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:48,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-14 18:15:48,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:48,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:15:48,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:48,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:15:48,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:48,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-14 18:15:48,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:48,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:15:48,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:48,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:15:48,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:48,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-14 18:15:48,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:48,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:15:48,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:48,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:15:48,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:48,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-14 18:15:48,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:48,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:15:48,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:48,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:15:48,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:48,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-14 18:15:48,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:48,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:15:48,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:48,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:15:48,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:48,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-14 18:15:48,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:48,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:15:48,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:48,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:15:48,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:48,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-14 18:15:48,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:48,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:15:48,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:48,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:15:48,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:48,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-14 18:15:48,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:48,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:15:48,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:48,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:15:48,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:48,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-12-14 18:15:48,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:48,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:15:48,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:48,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:15:48,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:48,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2021-12-14 18:15:48,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:48,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:15:48,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:48,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:15:48,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:48,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2021-12-14 18:15:48,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:48,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:15:48,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:48,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:15:48,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:48,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2021-12-14 18:15:48,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:48,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:15:48,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:48,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:15:48,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:48,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2021-12-14 18:15:48,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:48,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:15:48,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:48,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:15:48,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:48,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2021-12-14 18:15:48,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:48,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:15:48,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:48,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 18:15:48,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:48,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2021-12-14 18:15:48,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:48,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:15:48,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:48,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2021-12-14 18:15:48,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:48,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:15:48,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:48,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2021-12-14 18:15:48,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:48,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:15:48,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:48,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2021-12-14 18:15:48,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:48,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:15:48,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:48,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2021-12-14 18:15:48,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:48,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:15:48,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:48,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 314 [2021-12-14 18:15:48,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:48,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:15:48,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:48,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 325 [2021-12-14 18:15:48,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:48,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:15:48,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:48,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 336 [2021-12-14 18:15:48,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:48,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:15:48,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:48,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 347 [2021-12-14 18:15:48,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:48,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:15:48,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:48,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 358 [2021-12-14 18:15:48,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:48,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:15:48,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:48,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 369 [2021-12-14 18:15:48,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:48,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:15:48,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:48,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 380 [2021-12-14 18:15:48,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:48,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:15:48,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:48,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 391 [2021-12-14 18:15:48,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:48,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:15:48,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:48,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 402 [2021-12-14 18:15:48,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:48,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:15:48,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:48,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 413 [2021-12-14 18:15:48,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:48,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:15:48,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:48,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 424 [2021-12-14 18:15:48,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:48,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:15:48,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:48,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 435 [2021-12-14 18:15:48,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:48,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:15:48,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:48,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 446 [2021-12-14 18:15:48,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:48,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 18:15:48,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 18:15:48,523 INFO L134 CoverageAnalysis]: Checked inductivity of 3057 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3057 trivial. 0 not checked. [2021-12-14 18:15:48,523 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 18:15:48,523 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1517552684] [2021-12-14 18:15:48,523 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1517552684] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 18:15:48,523 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 18:15:48,523 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-14 18:15:48,524 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [125795249] [2021-12-14 18:15:48,524 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 18:15:48,524 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-14 18:15:48,524 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 18:15:48,524 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-14 18:15:48,524 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-14 18:15:48,525 INFO L87 Difference]: Start difference. First operand 10492 states and 14792 transitions. Second operand has 6 states, 6 states have (on average 11.833333333333334) internal successors, (71), 3 states have internal predecessors, (71), 2 states have call successors, (41), 5 states have call predecessors, (41), 1 states have return successors, (37), 1 states have call predecessors, (37), 1 states have call successors, (37) [2021-12-14 18:15:52,463 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers []