./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--iio--accel--kxcjk-1013.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c3fed411 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--iio--accel--kxcjk-1013.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 3e9c6ba87a54868dec599f719996df2badd1b08d2641eaf7156cfe2e5d004f90 --- Real Ultimate output --- This is Ultimate 0.2.2-tmp.no-commuhash-c3fed41 [2021-12-18 05:42:02,335 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-18 05:42:02,337 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-18 05:42:02,373 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-18 05:42:02,373 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-18 05:42:02,374 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-18 05:42:02,375 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-18 05:42:02,376 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-18 05:42:02,377 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-18 05:42:02,378 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-18 05:42:02,378 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-18 05:42:02,380 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-18 05:42:02,381 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-18 05:42:02,384 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-18 05:42:02,385 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-18 05:42:02,387 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-18 05:42:02,389 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-18 05:42:02,394 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-18 05:42:02,395 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-18 05:42:02,397 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-18 05:42:02,398 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-18 05:42:02,399 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-18 05:42:02,416 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-18 05:42:02,416 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-18 05:42:02,418 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-18 05:42:02,418 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-18 05:42:02,419 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-18 05:42:02,419 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-18 05:42:02,420 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-18 05:42:02,420 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-18 05:42:02,420 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-18 05:42:02,421 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-18 05:42:02,423 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-18 05:42:02,423 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-18 05:42:02,424 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-18 05:42:02,424 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-18 05:42:02,425 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-18 05:42:02,425 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-18 05:42:02,425 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-18 05:42:02,426 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-18 05:42:02,426 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-18 05:42:02,427 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-18 05:42:02,458 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-18 05:42:02,458 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-18 05:42:02,459 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-18 05:42:02,459 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-18 05:42:02,460 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-18 05:42:02,460 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-18 05:42:02,460 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-18 05:42:02,460 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-18 05:42:02,461 INFO L138 SettingsManager]: * Use SBE=true [2021-12-18 05:42:02,461 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-18 05:42:02,461 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-18 05:42:02,462 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-18 05:42:02,462 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-18 05:42:02,462 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-18 05:42:02,462 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-18 05:42:02,462 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-18 05:42:02,462 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-18 05:42:02,462 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-18 05:42:02,463 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-18 05:42:02,463 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-18 05:42:02,463 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-18 05:42:02,463 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-18 05:42:02,463 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-18 05:42:02,464 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-18 05:42:02,464 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-18 05:42:02,464 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-18 05:42:02,464 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-18 05:42:02,465 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-18 05:42:02,466 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-18 05:42:02,466 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-18 05:42:02,466 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-18 05:42:02,466 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3e9c6ba87a54868dec599f719996df2badd1b08d2641eaf7156cfe2e5d004f90 [2021-12-18 05:42:02,737 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-18 05:42:02,765 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-18 05:42:02,768 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-18 05:42:02,769 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-18 05:42:02,770 INFO L275 PluginConnector]: CDTParser initialized [2021-12-18 05:42:02,772 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--iio--accel--kxcjk-1013.ko-entry_point.cil.out.i [2021-12-18 05:42:02,844 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/acfd5f659/3a2958a498a047709b387d58c8487662/FLAG23709231f [2021-12-18 05:42:03,422 INFO L306 CDTParser]: Found 1 translation units. [2021-12-18 05:42:03,423 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--iio--accel--kxcjk-1013.ko-entry_point.cil.out.i [2021-12-18 05:42:03,450 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/acfd5f659/3a2958a498a047709b387d58c8487662/FLAG23709231f [2021-12-18 05:42:03,850 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/acfd5f659/3a2958a498a047709b387d58c8487662 [2021-12-18 05:42:03,851 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-18 05:42:03,852 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-18 05:42:03,853 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-18 05:42:03,853 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-18 05:42:03,855 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-18 05:42:03,856 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.12 05:42:03" (1/1) ... [2021-12-18 05:42:03,856 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@574891 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 05:42:03, skipping insertion in model container [2021-12-18 05:42:03,856 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.12 05:42:03" (1/1) ... [2021-12-18 05:42:03,860 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-18 05:42:03,908 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-18 05:42:04,771 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-08_1a-drivers--iio--accel--kxcjk-1013.ko-entry_point.cil.out.i[206964,206977] [2021-12-18 05:42:04,807 WARN L610 FunctionHandler]: implicit declaration of function ldv_xmalloc [2021-12-18 05:42:04,816 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-18 05:42:04,853 INFO L203 MainTranslator]: Completed pre-run [2021-12-18 05:42:05,090 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-08_1a-drivers--iio--accel--kxcjk-1013.ko-entry_point.cil.out.i[206964,206977] [2021-12-18 05:42:05,094 WARN L610 FunctionHandler]: implicit declaration of function ldv_xmalloc [2021-12-18 05:42:05,097 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-18 05:42:05,174 INFO L208 MainTranslator]: Completed translation [2021-12-18 05:42:05,174 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 05:42:05 WrapperNode [2021-12-18 05:42:05,174 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-18 05:42:05,175 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-18 05:42:05,175 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-18 05:42:05,175 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-18 05:42:05,180 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 05:42:05" (1/1) ... [2021-12-18 05:42:05,235 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 05:42:05" (1/1) ... [2021-12-18 05:42:05,321 INFO L137 Inliner]: procedures = 217, calls = 1318, calls flagged for inlining = 114, calls inlined = 113, statements flattened = 3841 [2021-12-18 05:42:05,322 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-18 05:42:05,322 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-18 05:42:05,323 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-18 05:42:05,323 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-18 05:42:05,328 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 05:42:05" (1/1) ... [2021-12-18 05:42:05,329 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 05:42:05" (1/1) ... [2021-12-18 05:42:05,379 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 05:42:05" (1/1) ... [2021-12-18 05:42:05,379 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 05:42:05" (1/1) ... [2021-12-18 05:42:05,459 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 05:42:05" (1/1) ... [2021-12-18 05:42:05,470 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 05:42:05" (1/1) ... [2021-12-18 05:42:05,484 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 05:42:05" (1/1) ... [2021-12-18 05:42:05,518 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-18 05:42:05,519 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-18 05:42:05,519 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-18 05:42:05,520 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-18 05:42:05,520 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 05:42:05" (1/1) ... [2021-12-18 05:42:05,525 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-18 05:42:05,532 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-18 05:42:05,589 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) [2021-12-18 05:42:05,623 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 [2021-12-18 05:42:05,649 INFO L130 BoogieDeclarations]: Found specification of procedure kxcjk1013_read_event [2021-12-18 05:42:05,650 INFO L138 BoogieDeclarations]: Found implementation of procedure kxcjk1013_read_event [2021-12-18 05:42:05,650 INFO L130 BoogieDeclarations]: Found specification of procedure kxcjk1013_read_raw [2021-12-18 05:42:05,650 INFO L138 BoogieDeclarations]: Found implementation of procedure kxcjk1013_read_raw [2021-12-18 05:42:05,650 INFO L130 BoogieDeclarations]: Found specification of procedure __cmpxchg_wrong_size [2021-12-18 05:42:05,650 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-18 05:42:05,650 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-18 05:42:05,650 INFO L130 BoogieDeclarations]: Found specification of procedure iio_pollfunc_store_time [2021-12-18 05:42:05,651 INFO L138 BoogieDeclarations]: Found implementation of procedure iio_pollfunc_store_time [2021-12-18 05:42:05,651 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-18 05:42:05,651 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-18 05:42:05,651 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-18 05:42:05,651 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-18 05:42:05,651 INFO L130 BoogieDeclarations]: Found specification of procedure kxcjk1013_set_range [2021-12-18 05:42:05,651 INFO L138 BoogieDeclarations]: Found implementation of procedure kxcjk1013_set_range [2021-12-18 05:42:05,652 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-12-18 05:42:05,652 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-12-18 05:42:05,652 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-12-18 05:42:05,652 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-12-18 05:42:05,652 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_irq_2 [2021-12-18 05:42:05,652 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_irq_2 [2021-12-18 05:42:05,652 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-18 05:42:05,652 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-18 05:42:05,652 INFO L130 BoogieDeclarations]: Found specification of procedure iio_trigger_unregister [2021-12-18 05:42:05,653 INFO L138 BoogieDeclarations]: Found implementation of procedure iio_trigger_unregister [2021-12-18 05:42:05,653 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-18 05:42:05,653 INFO L130 BoogieDeclarations]: Found specification of procedure iio_trigger_register [2021-12-18 05:42:05,653 INFO L138 BoogieDeclarations]: Found implementation of procedure iio_trigger_register [2021-12-18 05:42:05,653 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_smbus_read_byte_data [2021-12-18 05:42:05,653 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_smbus_read_byte_data [2021-12-18 05:42:05,653 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-18 05:42:05,653 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-12-18 05:42:05,653 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-12-18 05:42:05,654 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-12-18 05:42:05,654 INFO L130 BoogieDeclarations]: Found specification of procedure iio_trigger_get_drvdata [2021-12-18 05:42:05,654 INFO L138 BoogieDeclarations]: Found implementation of procedure iio_trigger_get_drvdata [2021-12-18 05:42:05,654 INFO L130 BoogieDeclarations]: Found specification of procedure iio_triggered_buffer_cleanup [2021-12-18 05:42:05,654 INFO L138 BoogieDeclarations]: Found implementation of procedure iio_triggered_buffer_cleanup [2021-12-18 05:42:05,654 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2021-12-18 05:42:05,654 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2021-12-18 05:42:05,654 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-18 05:42:05,655 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-18 05:42:05,655 INFO L130 BoogieDeclarations]: Found specification of procedure kxcjk1013_write_raw [2021-12-18 05:42:05,655 INFO L138 BoogieDeclarations]: Found implementation of procedure kxcjk1013_write_raw [2021-12-18 05:42:05,655 INFO L130 BoogieDeclarations]: Found specification of procedure iio_trigger_poll [2021-12-18 05:42:05,655 INFO L138 BoogieDeclarations]: Found implementation of procedure iio_trigger_poll [2021-12-18 05:42:05,655 INFO L130 BoogieDeclarations]: Found specification of procedure pm_runtime_put_noidle [2021-12-18 05:42:05,655 INFO L138 BoogieDeclarations]: Found implementation of procedure pm_runtime_put_noidle [2021-12-18 05:42:05,656 INFO L130 BoogieDeclarations]: Found specification of procedure kxcjk1013_set_power_state [2021-12-18 05:42:05,656 INFO L138 BoogieDeclarations]: Found implementation of procedure kxcjk1013_set_power_state [2021-12-18 05:42:05,656 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2021-12-18 05:42:05,656 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2021-12-18 05:42:05,656 INFO L130 BoogieDeclarations]: Found specification of procedure iio_trigger_set_drvdata [2021-12-18 05:42:05,656 INFO L138 BoogieDeclarations]: Found implementation of procedure iio_trigger_set_drvdata [2021-12-18 05:42:05,657 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2021-12-18 05:42:05,657 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2021-12-18 05:42:05,657 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-18 05:42:05,658 INFO L130 BoogieDeclarations]: Found specification of procedure devm_request_threaded_irq [2021-12-18 05:42:05,658 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_request_threaded_irq [2021-12-18 05:42:05,658 INFO L130 BoogieDeclarations]: Found specification of procedure __pm_runtime_set_status [2021-12-18 05:42:05,658 INFO L138 BoogieDeclarations]: Found implementation of procedure __pm_runtime_set_status [2021-12-18 05:42:05,658 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-18 05:42:05,658 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_get_clientdata [2021-12-18 05:42:05,658 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_get_clientdata [2021-12-18 05:42:05,659 INFO L130 BoogieDeclarations]: Found specification of procedure kxcjk1013_trigger_handler [2021-12-18 05:42:05,659 INFO L138 BoogieDeclarations]: Found implementation of procedure kxcjk1013_trigger_handler [2021-12-18 05:42:05,659 INFO L130 BoogieDeclarations]: Found specification of procedure reg_check_2 [2021-12-18 05:42:05,659 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_check_2 [2021-12-18 05:42:05,659 INFO L130 BoogieDeclarations]: Found specification of procedure iio_priv [2021-12-18 05:42:05,660 INFO L138 BoogieDeclarations]: Found implementation of procedure iio_priv [2021-12-18 05:42:05,660 INFO L130 BoogieDeclarations]: Found specification of procedure iio_device_unregister [2021-12-18 05:42:05,660 INFO L138 BoogieDeclarations]: Found implementation of procedure iio_device_unregister [2021-12-18 05:42:05,660 INFO L130 BoogieDeclarations]: Found specification of procedure kxcjk1013_event_handler [2021-12-18 05:42:05,660 INFO L138 BoogieDeclarations]: Found implementation of procedure kxcjk1013_event_handler [2021-12-18 05:42:05,660 INFO L130 BoogieDeclarations]: Found specification of procedure kxcjk1013_setup_any_motion_interrupt [2021-12-18 05:42:05,660 INFO L138 BoogieDeclarations]: Found implementation of procedure kxcjk1013_setup_any_motion_interrupt [2021-12-18 05:42:05,660 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-18 05:42:05,661 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-18 05:42:05,661 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-18 05:42:05,661 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2021-12-18 05:42:05,661 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2021-12-18 05:42:05,661 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-18 05:42:05,661 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2021-12-18 05:42:05,661 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2021-12-18 05:42:05,661 INFO L130 BoogieDeclarations]: Found specification of procedure kxcjk1013_set_mode [2021-12-18 05:42:05,661 INFO L138 BoogieDeclarations]: Found implementation of procedure kxcjk1013_set_mode [2021-12-18 05:42:05,662 INFO L130 BoogieDeclarations]: Found specification of procedure kxcjk1013_get_acc_reg [2021-12-18 05:42:05,662 INFO L138 BoogieDeclarations]: Found implementation of procedure kxcjk1013_get_acc_reg [2021-12-18 05:42:05,662 INFO L130 BoogieDeclarations]: Found specification of procedure kxcjk1013_get_mode [2021-12-18 05:42:05,662 INFO L138 BoogieDeclarations]: Found implementation of procedure kxcjk1013_get_mode [2021-12-18 05:42:05,662 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-18 05:42:05,663 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-18 05:42:05,663 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_4 [2021-12-18 05:42:05,663 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_4 [2021-12-18 05:42:05,663 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2021-12-18 05:42:05,663 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2021-12-18 05:42:05,663 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_3 [2021-12-18 05:42:05,664 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_3 [2021-12-18 05:42:05,664 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_2 [2021-12-18 05:42:05,664 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_2 [2021-12-18 05:42:05,664 INFO L130 BoogieDeclarations]: Found specification of procedure iio_read_const_attr [2021-12-18 05:42:05,664 INFO L138 BoogieDeclarations]: Found implementation of procedure iio_read_const_attr [2021-12-18 05:42:05,664 INFO L130 BoogieDeclarations]: Found specification of procedure kxcjk1013_resume [2021-12-18 05:42:05,664 INFO L138 BoogieDeclarations]: Found implementation of procedure kxcjk1013_resume [2021-12-18 05:42:05,664 INFO L130 BoogieDeclarations]: Found specification of procedure kxcjk1013_write_event [2021-12-18 05:42:05,664 INFO L138 BoogieDeclarations]: Found implementation of procedure kxcjk1013_write_event [2021-12-18 05:42:05,665 INFO L130 BoogieDeclarations]: Found specification of procedure iio_push_event [2021-12-18 05:42:05,665 INFO L138 BoogieDeclarations]: Found implementation of procedure iio_push_event [2021-12-18 05:42:05,665 INFO L130 BoogieDeclarations]: Found specification of procedure kxcjk1013_suspend [2021-12-18 05:42:05,665 INFO L138 BoogieDeclarations]: Found implementation of procedure kxcjk1013_suspend [2021-12-18 05:42:05,665 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-18 05:42:05,665 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_smbus_write_byte_data [2021-12-18 05:42:05,665 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_smbus_write_byte_data [2021-12-18 05:42:05,666 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-18 05:42:05,666 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-18 05:42:05,666 INFO L130 BoogieDeclarations]: Found specification of procedure kxcjk1013_data_rdy_trig_poll [2021-12-18 05:42:05,667 INFO L138 BoogieDeclarations]: Found implementation of procedure kxcjk1013_data_rdy_trig_poll [2021-12-18 05:42:05,668 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2021-12-18 05:42:05,668 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2021-12-18 05:42:06,203 INFO L236 CfgBuilder]: Building ICFG [2021-12-18 05:42:06,206 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-18 05:42:06,474 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-18 05:42:20,378 INFO L277 CfgBuilder]: Performing block encoding [2021-12-18 05:42:20,394 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-18 05:42:20,395 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-18 05:42:20,398 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.12 05:42:20 BoogieIcfgContainer [2021-12-18 05:42:20,402 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-18 05:42:20,404 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-18 05:42:20,404 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-18 05:42:20,406 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-18 05:42:20,406 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.12 05:42:03" (1/3) ... [2021-12-18 05:42:20,407 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@24bf6ce3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.12 05:42:20, skipping insertion in model container [2021-12-18 05:42:20,407 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 05:42:05" (2/3) ... [2021-12-18 05:42:20,407 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@24bf6ce3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.12 05:42:20, skipping insertion in model container [2021-12-18 05:42:20,407 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.12 05:42:20" (3/3) ... [2021-12-18 05:42:20,408 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-08_1a-drivers--iio--accel--kxcjk-1013.ko-entry_point.cil.out.i [2021-12-18 05:42:20,414 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-18 05:42:20,414 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-18 05:42:20,453 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-18 05:42:20,457 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 [2021-12-18 05:42:20,458 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-18 05:42:20,488 INFO L276 IsEmpty]: Start isEmpty. Operand has 1188 states, 883 states have (on average 1.4167610419026047) internal successors, (1251), 903 states have internal predecessors, (1251), 252 states have call successors, (252), 52 states have call predecessors, (252), 51 states have return successors, (239), 238 states have call predecessors, (239), 239 states have call successors, (239) [2021-12-18 05:42:20,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 326 [2021-12-18 05:42:20,506 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 05:42:20,507 INFO L514 BasicCegarLoop]: trace histogram [18, 18, 18, 18, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 05:42:20,507 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 05:42:20,511 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 05:42:20,511 INFO L85 PathProgramCache]: Analyzing trace with hash -1309037368, now seen corresponding path program 1 times [2021-12-18 05:42:20,517 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 05:42:20,518 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [857272277] [2021-12-18 05:42:20,518 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 05:42:20,519 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 05:42:20,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:42:21,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 05:42:21,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:42:21,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:42:21,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:42:21,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:42:21,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:42:21,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-18 05:42:21,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:42:21,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:42:21,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:42:21,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:42:21,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:42:21,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-18 05:42:21,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:42:21,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:42:21,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:42:21,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:42:21,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:42:21,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-18 05:42:21,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:42:21,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:42:21,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:42:21,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:42:21,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:42:21,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-18 05:42:21,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:42:21,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:42:21,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:42:21,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:42:21,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:42:21,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-18 05:42:21,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:42:21,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:42:21,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:42:21,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:42:21,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:42:21,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-18 05:42:21,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:42:21,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:42:21,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:42:21,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:42:21,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:42:21,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-18 05:42:21,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:42:21,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:42:21,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:42:21,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:42:21,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:42:21,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-18 05:42:21,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:42:21,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:42:21,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:42:21,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:42:21,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:42:21,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 05:42:21,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:42:21,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:42:21,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:42:21,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:42:21,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:42:21,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-12-18 05:42:21,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:42:21,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:42:21,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:42:21,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:42:21,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:42:21,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-18 05:42:21,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:42:21,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2021-12-18 05:42:21,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:42:21,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2021-12-18 05:42:21,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:42:21,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2021-12-18 05:42:21,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:42:21,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2021-12-18 05:42:21,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:42:21,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2021-12-18 05:42:21,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:42:21,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2021-12-18 05:42:21,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:42:21,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2021-12-18 05:42:21,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:42:21,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2021-12-18 05:42:21,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:42:21,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2021-12-18 05:42:21,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:42:21,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2021-12-18 05:42:21,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:42:21,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-18 05:42:21,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:42:21,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2021-12-18 05:42:21,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:42:21,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2021-12-18 05:42:21,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:42:21,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2021-12-18 05:42:21,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:42:21,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2021-12-18 05:42:21,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:42:21,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 291 [2021-12-18 05:42:21,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:42:21,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2021-12-18 05:42:21,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:42:21,863 INFO L134 CoverageAnalysis]: Checked inductivity of 1535 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1535 trivial. 0 not checked. [2021-12-18 05:42:21,863 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 05:42:21,863 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [857272277] [2021-12-18 05:42:21,864 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [857272277] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 05:42:21,864 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 05:42:21,865 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-18 05:42:21,868 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [416533713] [2021-12-18 05:42:21,868 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 05:42:21,872 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-18 05:42:21,872 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 05:42:21,903 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-18 05:42:21,904 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-18 05:42:21,907 INFO L87 Difference]: Start difference. First operand has 1188 states, 883 states have (on average 1.4167610419026047) internal successors, (1251), 903 states have internal predecessors, (1251), 252 states have call successors, (252), 52 states have call predecessors, (252), 51 states have return successors, (239), 238 states have call predecessors, (239), 239 states have call successors, (239) 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, (32), 5 states have call predecessors, (32), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2021-12-18 05:42:23,964 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 05:42:25,970 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 [] [2021-12-18 05:42:27,712 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 05:42:27,713 INFO L93 Difference]: Finished difference Result 2509 states and 3752 transitions. [2021-12-18 05:42:27,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-18 05:42:27,715 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, (32), 5 states have call predecessors, (32), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) Word has length 325 [2021-12-18 05:42:27,715 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 05:42:27,735 INFO L225 Difference]: With dead ends: 2509 [2021-12-18 05:42:27,735 INFO L226 Difference]: Without dead ends: 1306 [2021-12-18 05:42:27,745 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 128 GetRequests, 124 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2021-12-18 05:42:27,747 INFO L933 BasicCegarLoop]: 1648 mSDtfsCounter, 756 mSDsluCounter, 1779 mSDsCounter, 0 mSdLazyCounter, 761 mSolverCounterSat, 673 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 773 SdHoareTripleChecker+Valid, 3427 SdHoareTripleChecker+Invalid, 1436 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 673 IncrementalHoareTripleChecker+Valid, 761 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.6s IncrementalHoareTripleChecker+Time [2021-12-18 05:42:27,748 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [773 Valid, 3427 Invalid, 1436 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [673 Valid, 761 Invalid, 2 Unknown, 0 Unchecked, 5.6s Time] [2021-12-18 05:42:27,761 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1306 states. [2021-12-18 05:42:27,831 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1306 to 1168. [2021-12-18 05:42:27,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1168 states, 878 states have (on average 1.4009111617312073) internal successors, (1230), 883 states have internal predecessors, (1230), 239 states have call successors, (239), 51 states have call predecessors, (239), 50 states have return successors, (238), 237 states have call predecessors, (238), 238 states have call successors, (238) [2021-12-18 05:42:27,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1168 states to 1168 states and 1707 transitions. [2021-12-18 05:42:27,842 INFO L78 Accepts]: Start accepts. Automaton has 1168 states and 1707 transitions. Word has length 325 [2021-12-18 05:42:27,842 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 05:42:27,842 INFO L470 AbstractCegarLoop]: Abstraction has 1168 states and 1707 transitions. [2021-12-18 05:42:27,843 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, (32), 5 states have call predecessors, (32), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2021-12-18 05:42:27,843 INFO L276 IsEmpty]: Start isEmpty. Operand 1168 states and 1707 transitions. [2021-12-18 05:42:27,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 326 [2021-12-18 05:42:27,848 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 05:42:27,848 INFO L514 BasicCegarLoop]: trace histogram [18, 18, 18, 18, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 05:42:27,848 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-18 05:42:27,849 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 05:42:27,849 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 05:42:27,849 INFO L85 PathProgramCache]: Analyzing trace with hash -798667406, now seen corresponding path program 1 times [2021-12-18 05:42:27,849 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 05:42:27,849 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1391849902] [2021-12-18 05:42:27,850 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 05:42:27,850 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 05:42:28,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:42:28,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 05:42:28,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:42:28,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:42:28,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:42:28,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:42:28,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:42:28,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-18 05:42:28,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:42:28,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:42:28,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:42:28,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:42:28,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:42:28,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-18 05:42:28,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:42:28,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:42:28,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:42:28,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:42:28,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:42:28,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-18 05:42:28,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:42:28,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:42:28,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:42:28,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:42:28,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:42:28,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-18 05:42:28,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:42:28,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:42:28,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:42:28,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:42:28,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:42:28,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-18 05:42:28,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:42:28,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:42:28,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:42:28,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:42:28,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:42:28,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-18 05:42:28,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:42:28,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:42:28,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:42:28,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:42:28,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:42:28,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-18 05:42:28,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:42:28,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:42:28,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:42:28,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:42:28,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:42:28,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-18 05:42:28,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:42:28,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:42:28,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:42:28,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:42:28,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:42:28,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 05:42:28,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:42:28,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:42:28,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:42:28,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:42:28,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:42:28,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-12-18 05:42:28,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:42:28,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:42:28,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:42:28,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:42:28,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:42:28,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-18 05:42:28,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:42:28,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2021-12-18 05:42:28,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:42:28,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2021-12-18 05:42:28,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:42:28,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2021-12-18 05:42:28,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:42:28,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2021-12-18 05:42:28,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:42:28,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2021-12-18 05:42:28,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:42:28,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2021-12-18 05:42:28,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:42:28,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2021-12-18 05:42:28,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:42:28,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2021-12-18 05:42:28,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:42:28,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2021-12-18 05:42:28,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:42:28,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2021-12-18 05:42:28,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:42:28,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-18 05:42:28,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:42:28,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2021-12-18 05:42:28,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:42:28,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2021-12-18 05:42:28,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:42:28,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2021-12-18 05:42:28,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:42:28,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2021-12-18 05:42:28,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:42:28,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 291 [2021-12-18 05:42:28,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:42:28,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2021-12-18 05:42:28,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:42:28,721 INFO L134 CoverageAnalysis]: Checked inductivity of 1535 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1535 trivial. 0 not checked. [2021-12-18 05:42:28,722 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 05:42:28,722 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1391849902] [2021-12-18 05:42:28,722 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1391849902] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 05:42:28,722 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 05:42:28,722 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-18 05:42:28,723 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1593767272] [2021-12-18 05:42:28,723 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 05:42:28,724 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-18 05:42:28,724 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 05:42:28,725 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-18 05:42:28,725 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-18 05:42:28,725 INFO L87 Difference]: Start difference. First operand 1168 states and 1707 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, (32), 5 states have call predecessors, (32), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2021-12-18 05:42:30,754 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 05:42:32,764 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 05:42:34,768 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 05:42:38,295 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 05:42:38,296 INFO L93 Difference]: Finished difference Result 3620 states and 5378 transitions. [2021-12-18 05:42:38,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-18 05:42:38,296 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, (32), 5 states have call predecessors, (32), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 325 [2021-12-18 05:42:38,297 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 05:42:38,308 INFO L225 Difference]: With dead ends: 3620 [2021-12-18 05:42:38,308 INFO L226 Difference]: Without dead ends: 2518 [2021-12-18 05:42:38,311 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2021-12-18 05:42:38,312 INFO L933 BasicCegarLoop]: 1768 mSDtfsCounter, 2931 mSDsluCounter, 3102 mSDsCounter, 0 mSdLazyCounter, 1600 mSolverCounterSat, 1418 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3092 SdHoareTripleChecker+Valid, 4870 SdHoareTripleChecker+Invalid, 3021 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1418 IncrementalHoareTripleChecker+Valid, 1600 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.3s IncrementalHoareTripleChecker+Time [2021-12-18 05:42:38,313 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3092 Valid, 4870 Invalid, 3021 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1418 Valid, 1600 Invalid, 3 Unknown, 0 Unchecked, 9.3s Time] [2021-12-18 05:42:38,315 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2518 states. [2021-12-18 05:42:38,372 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2518 to 2246. [2021-12-18 05:42:38,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2246 states, 1703 states have (on average 1.4104521432765706) internal successors, (2402), 1713 states have internal predecessors, (2402), 443 states have call successors, (443), 100 states have call predecessors, (443), 99 states have return successors, (442), 440 states have call predecessors, (442), 442 states have call successors, (442) [2021-12-18 05:42:38,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2246 states to 2246 states and 3287 transitions. [2021-12-18 05:42:38,384 INFO L78 Accepts]: Start accepts. Automaton has 2246 states and 3287 transitions. Word has length 325 [2021-12-18 05:42:38,385 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 05:42:38,385 INFO L470 AbstractCegarLoop]: Abstraction has 2246 states and 3287 transitions. [2021-12-18 05:42:38,386 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, (32), 5 states have call predecessors, (32), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2021-12-18 05:42:38,386 INFO L276 IsEmpty]: Start isEmpty. Operand 2246 states and 3287 transitions. [2021-12-18 05:42:38,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 329 [2021-12-18 05:42:38,390 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 05:42:38,391 INFO L514 BasicCegarLoop]: trace histogram [18, 18, 18, 18, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 05:42:38,391 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-18 05:42:38,391 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 05:42:38,391 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 05:42:38,392 INFO L85 PathProgramCache]: Analyzing trace with hash 1990966137, now seen corresponding path program 1 times [2021-12-18 05:42:38,392 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 05:42:38,393 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2133140429] [2021-12-18 05:42:38,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 05:42:38,394 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 05:42:38,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:42:38,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 05:42:38,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:42:38,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:42:38,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:42:38,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:42:38,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:42:38,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-18 05:42:38,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:42:38,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:42:38,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:42:38,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:42:38,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:42:38,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-18 05:42:38,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:42:38,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:42:38,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:42:38,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:42:38,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:42:38,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-18 05:42:38,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:42:38,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:42:38,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:42:38,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:42:38,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:42:38,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-18 05:42:38,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:42:38,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:42:38,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:42:38,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:42:38,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:42:38,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-18 05:42:38,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:42:38,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:42:38,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:42:38,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:42:38,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:42:38,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-18 05:42:38,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:42:39,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:42:39,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:42:39,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:42:39,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:42:39,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-18 05:42:39,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:42:39,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:42:39,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:42:39,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:42:39,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:42:39,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-18 05:42:39,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:42:39,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:42:39,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:42:39,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:42:39,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:42:39,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 05:42:39,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:42:39,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:42:39,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:42:39,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:42:39,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:42:39,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-12-18 05:42:39,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:42:39,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:42:39,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:42:39,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:42:39,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:42:39,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-18 05:42:39,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:42:39,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2021-12-18 05:42:39,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:42:39,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2021-12-18 05:42:39,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:42:39,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2021-12-18 05:42:39,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:42:39,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2021-12-18 05:42:39,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:42:39,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2021-12-18 05:42:39,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:42:39,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2021-12-18 05:42:39,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:42:39,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2021-12-18 05:42:39,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:42:39,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2021-12-18 05:42:39,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:42:39,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2021-12-18 05:42:39,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:42:39,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2021-12-18 05:42:39,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:42:39,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-18 05:42:39,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:42:39,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2021-12-18 05:42:39,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:42:39,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2021-12-18 05:42:39,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:42:39,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2021-12-18 05:42:39,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:42:39,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2021-12-18 05:42:39,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:42:39,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 291 [2021-12-18 05:42:39,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:42:39,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2021-12-18 05:42:39,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:42:39,292 INFO L134 CoverageAnalysis]: Checked inductivity of 1535 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1535 trivial. 0 not checked. [2021-12-18 05:42:39,292 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 05:42:39,293 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2133140429] [2021-12-18 05:42:39,293 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2133140429] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 05:42:39,293 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 05:42:39,293 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-18 05:42:39,293 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1570997779] [2021-12-18 05:42:39,293 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 05:42:39,294 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-18 05:42:39,295 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 05:42:39,295 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-18 05:42:39,296 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-18 05:42:39,296 INFO L87 Difference]: Start difference. First operand 2246 states and 3287 transitions. Second operand has 6 states, 6 states have (on average 11.166666666666666) internal successors, (67), 3 states have internal predecessors, (67), 3 states have call successors, (32), 5 states have call predecessors, (32), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2021-12-18 05:42:41,323 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 05:42:43,369 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 05:42:45,411 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 05:42:48,520 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 05:42:51,441 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 05:42:51,442 INFO L93 Difference]: Finished difference Result 4966 states and 7409 transitions. [2021-12-18 05:42:51,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-18 05:42:51,442 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.166666666666666) internal successors, (67), 3 states have internal predecessors, (67), 3 states have call successors, (32), 5 states have call predecessors, (32), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) Word has length 328 [2021-12-18 05:42:51,444 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 05:42:51,465 INFO L225 Difference]: With dead ends: 4966 [2021-12-18 05:42:51,465 INFO L226 Difference]: Without dead ends: 4959 [2021-12-18 05:42:51,469 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2021-12-18 05:42:51,473 INFO L933 BasicCegarLoop]: 1777 mSDtfsCounter, 2995 mSDsluCounter, 3787 mSDsCounter, 0 mSdLazyCounter, 2072 mSolverCounterSat, 1399 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3156 SdHoareTripleChecker+Valid, 5564 SdHoareTripleChecker+Invalid, 3475 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1399 IncrementalHoareTripleChecker+Valid, 2072 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.9s IncrementalHoareTripleChecker+Time [2021-12-18 05:42:51,474 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3156 Valid, 5564 Invalid, 3475 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1399 Valid, 2072 Invalid, 4 Unknown, 0 Unchecked, 11.9s Time] [2021-12-18 05:42:51,480 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4959 states. [2021-12-18 05:42:51,577 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4959 to 4419. [2021-12-18 05:42:51,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4419 states, 3365 states have (on average 1.4142644873699852) internal successors, (4759), 3385 states have internal predecessors, (4759), 856 states have call successors, (856), 198 states have call predecessors, (856), 197 states have return successors, (855), 851 states have call predecessors, (855), 855 states have call successors, (855) [2021-12-18 05:42:51,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4419 states to 4419 states and 6470 transitions. [2021-12-18 05:42:51,597 INFO L78 Accepts]: Start accepts. Automaton has 4419 states and 6470 transitions. Word has length 328 [2021-12-18 05:42:51,599 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 05:42:51,599 INFO L470 AbstractCegarLoop]: Abstraction has 4419 states and 6470 transitions. [2021-12-18 05:42:51,599 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.166666666666666) internal successors, (67), 3 states have internal predecessors, (67), 3 states have call successors, (32), 5 states have call predecessors, (32), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2021-12-18 05:42:51,599 INFO L276 IsEmpty]: Start isEmpty. Operand 4419 states and 6470 transitions. [2021-12-18 05:42:51,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 435 [2021-12-18 05:42:51,679 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 05:42:51,680 INFO L514 BasicCegarLoop]: trace histogram [18, 18, 18, 18, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 05:42:51,680 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-18 05:42:51,680 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 05:42:51,681 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 05:42:51,681 INFO L85 PathProgramCache]: Analyzing trace with hash 1755757977, now seen corresponding path program 1 times [2021-12-18 05:42:51,681 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 05:42:51,682 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1195140397] [2021-12-18 05:42:51,682 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 05:42:51,682 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 05:42:51,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:42:52,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 05:42:52,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:42:52,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:42:52,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:42:52,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:42:52,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:42:52,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-18 05:42:52,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:42:52,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:42:52,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:42:52,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:42:52,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:42:52,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-18 05:42:52,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:42:52,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:42:52,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:42:52,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:42:52,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:42:52,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-18 05:42:52,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:42:52,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:42:52,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:42:52,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:42:52,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:42:52,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-18 05:42:52,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:42:52,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:42:52,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:42:52,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:42:52,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:42:52,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-18 05:42:52,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:42:52,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:42:52,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:42:52,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:42:52,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:42:52,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-18 05:42:52,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:42:52,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:42:52,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:42:52,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:42:52,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:42:52,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-18 05:42:52,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:42:52,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:42:52,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:42:52,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:42:52,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:42:52,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-18 05:42:52,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:42:52,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:42:52,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:42:52,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:42:52,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:42:52,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 05:42:52,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:42:52,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:42:52,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:42:52,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:42:52,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:42:52,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-12-18 05:42:52,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:42:52,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:42:52,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:42:52,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:42:52,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:42:52,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-18 05:42:52,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:42:52,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2021-12-18 05:42:52,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:42:52,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2021-12-18 05:42:52,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:42:52,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2021-12-18 05:42:52,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:42:52,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2021-12-18 05:42:52,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:42:52,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2021-12-18 05:42:52,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:42:52,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2021-12-18 05:42:52,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:42:52,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2021-12-18 05:42:52,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:42:52,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2021-12-18 05:42:52,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:42:52,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2021-12-18 05:42:52,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:42:52,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2021-12-18 05:42:52,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:42:52,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-18 05:42:52,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:42:52,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2021-12-18 05:42:52,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:42:52,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2021-12-18 05:42:52,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:42:52,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2021-12-18 05:42:52,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:42:52,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2021-12-18 05:42:52,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:42:52,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 291 [2021-12-18 05:42:52,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:42:52,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2021-12-18 05:42:52,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:42:52,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 321 [2021-12-18 05:42:52,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:42:52,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2021-12-18 05:42:52,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:42:52,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 334 [2021-12-18 05:42:52,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:42:52,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 343 [2021-12-18 05:42:52,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:42:52,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2021-12-18 05:42:52,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:42:52,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 360 [2021-12-18 05:42:52,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:42:52,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 372 [2021-12-18 05:42:52,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:42:52,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:42:52,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:42:52,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 381 [2021-12-18 05:42:52,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:42:52,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 392 [2021-12-18 05:42:52,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:42:52,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 398 [2021-12-18 05:42:52,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:42:52,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:42:52,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:42:52,537 INFO L134 CoverageAnalysis]: Checked inductivity of 1556 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 1545 trivial. 0 not checked. [2021-12-18 05:42:52,537 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 05:42:52,537 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1195140397] [2021-12-18 05:42:52,537 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1195140397] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 05:42:52,538 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 05:42:52,538 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-18 05:42:52,538 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [961426269] [2021-12-18 05:42:52,538 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 05:42:52,539 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-18 05:42:52,539 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 05:42:52,539 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-18 05:42:52,540 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-12-18 05:42:52,540 INFO L87 Difference]: Start difference. First operand 4419 states and 6470 transitions. Second operand has 7 states, 7 states have (on average 20.285714285714285) internal successors, (142), 3 states have internal predecessors, (142), 2 states have call successors, (44), 6 states have call predecessors, (44), 1 states have return successors, (43), 2 states have call predecessors, (43), 2 states have call successors, (43) [2021-12-18 05:42:54,589 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 05:42:56,624 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 05:43:00,695 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 05:43:03,236 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-18 05:43:04,444 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 05:43:04,444 INFO L93 Difference]: Finished difference Result 13185 states and 19666 transitions. [2021-12-18 05:43:04,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-18 05:43:04,445 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 20.285714285714285) internal successors, (142), 3 states have internal predecessors, (142), 2 states have call successors, (44), 6 states have call predecessors, (44), 1 states have return successors, (43), 2 states have call predecessors, (43), 2 states have call successors, (43) Word has length 434 [2021-12-18 05:43:04,445 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 05:43:04,485 INFO L225 Difference]: With dead ends: 13185 [2021-12-18 05:43:04,485 INFO L226 Difference]: Without dead ends: 8832 [2021-12-18 05:43:04,499 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 137 GetRequests, 128 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2021-12-18 05:43:04,500 INFO L933 BasicCegarLoop]: 1701 mSDtfsCounter, 3555 mSDsluCounter, 2898 mSDsCounter, 0 mSdLazyCounter, 1576 mSolverCounterSat, 1992 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3733 SdHoareTripleChecker+Valid, 4599 SdHoareTripleChecker+Invalid, 3572 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1992 IncrementalHoareTripleChecker+Valid, 1576 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.5s IncrementalHoareTripleChecker+Time [2021-12-18 05:43:04,500 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3733 Valid, 4599 Invalid, 3572 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1992 Valid, 1576 Invalid, 4 Unknown, 0 Unchecked, 11.5s Time] [2021-12-18 05:43:04,508 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8832 states. [2021-12-18 05:43:04,721 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8832 to 7757. [2021-12-18 05:43:04,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7757 states, 5950 states have (on average 1.4319327731092437) internal successors, (8520), 5982 states have internal predecessors, (8520), 1474 states have call successors, (1474), 333 states have call predecessors, (1474), 332 states have return successors, (1473), 1465 states have call predecessors, (1473), 1473 states have call successors, (1473) [2021-12-18 05:43:04,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7757 states to 7757 states and 11467 transitions. [2021-12-18 05:43:04,768 INFO L78 Accepts]: Start accepts. Automaton has 7757 states and 11467 transitions. Word has length 434 [2021-12-18 05:43:04,771 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 05:43:04,771 INFO L470 AbstractCegarLoop]: Abstraction has 7757 states and 11467 transitions. [2021-12-18 05:43:04,772 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 20.285714285714285) internal successors, (142), 3 states have internal predecessors, (142), 2 states have call successors, (44), 6 states have call predecessors, (44), 1 states have return successors, (43), 2 states have call predecessors, (43), 2 states have call successors, (43) [2021-12-18 05:43:04,772 INFO L276 IsEmpty]: Start isEmpty. Operand 7757 states and 11467 transitions. [2021-12-18 05:43:04,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 535 [2021-12-18 05:43:04,793 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 05:43:04,794 INFO L514 BasicCegarLoop]: trace histogram [18, 18, 18, 18, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 05:43:04,794 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-18 05:43:04,794 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 05:43:04,795 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 05:43:04,795 INFO L85 PathProgramCache]: Analyzing trace with hash -1522066516, now seen corresponding path program 1 times [2021-12-18 05:43:04,795 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 05:43:04,795 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [931407335] [2021-12-18 05:43:04,795 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 05:43:04,796 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 05:43:05,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:05,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 05:43:05,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:05,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:43:05,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:05,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:43:05,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:05,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-18 05:43:05,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:05,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:43:05,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:05,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:43:05,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:05,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-18 05:43:05,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:05,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:43:05,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:05,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:43:05,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:05,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-18 05:43:05,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:05,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:43:05,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:05,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:43:05,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:05,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-18 05:43:05,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:05,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:43:05,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:05,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:43:05,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:05,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-18 05:43:05,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:05,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:43:05,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:05,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:43:05,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:05,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-18 05:43:05,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:05,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:43:05,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:05,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:43:05,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:05,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-18 05:43:05,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:05,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:43:05,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:05,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:43:05,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:05,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-18 05:43:05,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:05,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:43:05,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:05,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:43:05,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:05,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 05:43:05,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:05,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:43:05,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:05,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:43:05,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:05,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-12-18 05:43:05,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:05,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:43:05,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:05,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:43:05,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:05,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-18 05:43:05,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:05,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2021-12-18 05:43:05,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:05,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2021-12-18 05:43:05,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:05,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2021-12-18 05:43:05,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:05,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2021-12-18 05:43:05,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:05,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2021-12-18 05:43:05,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:05,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2021-12-18 05:43:05,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:05,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2021-12-18 05:43:05,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:05,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2021-12-18 05:43:05,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:05,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2021-12-18 05:43:05,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:05,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2021-12-18 05:43:05,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:05,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-18 05:43:05,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:05,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2021-12-18 05:43:05,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:05,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2021-12-18 05:43:05,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:05,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2021-12-18 05:43:05,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:05,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2021-12-18 05:43:05,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:05,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 291 [2021-12-18 05:43:05,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:05,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2021-12-18 05:43:05,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:05,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 323 [2021-12-18 05:43:05,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:05,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:43:05,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:05,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:43:05,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:05,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2021-12-18 05:43:05,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:05,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:43:05,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:05,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:43:05,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:05,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2021-12-18 05:43:05,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:05,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:43:05,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:05,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:43:05,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:05,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 374 [2021-12-18 05:43:05,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:05,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:43:05,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:05,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:43:05,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:05,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 390 [2021-12-18 05:43:05,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:05,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:43:05,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:05,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:43:05,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:05,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 424 [2021-12-18 05:43:05,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:05,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 432 [2021-12-18 05:43:05,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:05,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 437 [2021-12-18 05:43:05,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:05,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 446 [2021-12-18 05:43:05,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:05,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 458 [2021-12-18 05:43:05,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:05,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 463 [2021-12-18 05:43:05,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:05,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 475 [2021-12-18 05:43:05,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:05,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:43:05,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:05,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 484 [2021-12-18 05:43:05,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:05,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 495 [2021-12-18 05:43:05,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:05,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 501 [2021-12-18 05:43:05,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:05,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:43:05,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:05,866 INFO L134 CoverageAnalysis]: Checked inductivity of 2490 backedges. 24 proven. 11 refuted. 0 times theorem prover too weak. 2455 trivial. 0 not checked. [2021-12-18 05:43:05,867 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 05:43:05,867 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [931407335] [2021-12-18 05:43:05,869 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [931407335] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-18 05:43:05,869 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1325707110] [2021-12-18 05:43:05,869 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 05:43:05,869 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-18 05:43:05,870 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-18 05:43:05,871 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-18 05:43:05,873 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-12-18 05:43:07,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:07,477 INFO L263 TraceCheckSpWp]: Trace formula consists of 6950 conjuncts, 4 conjunts are in the unsatisfiable core [2021-12-18 05:43:07,496 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-18 05:43:08,200 INFO L134 CoverageAnalysis]: Checked inductivity of 2490 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 2456 trivial. 0 not checked. [2021-12-18 05:43:08,201 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-18 05:43:08,201 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1325707110] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 05:43:08,201 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-18 05:43:08,201 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [13] total 14 [2021-12-18 05:43:08,201 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1637785597] [2021-12-18 05:43:08,201 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 05:43:08,202 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-18 05:43:08,202 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 05:43:08,202 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-18 05:43:08,202 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=154, Unknown=0, NotChecked=0, Total=182 [2021-12-18 05:43:08,202 INFO L87 Difference]: Start difference. First operand 7757 states and 11467 transitions. Second operand has 4 states, 4 states have (on average 41.0) internal successors, (164), 4 states have internal predecessors, (164), 2 states have call successors, (49), 2 states have call predecessors, (49), 2 states have return successors, (48), 2 states have call predecessors, (48), 2 states have call successors, (48) [2021-12-18 05:43:08,616 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 05:43:08,617 INFO L93 Difference]: Finished difference Result 25431 states and 39112 transitions. [2021-12-18 05:43:08,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-18 05:43:08,617 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 41.0) internal successors, (164), 4 states have internal predecessors, (164), 2 states have call successors, (49), 2 states have call predecessors, (49), 2 states have return successors, (48), 2 states have call predecessors, (48), 2 states have call successors, (48) Word has length 534 [2021-12-18 05:43:08,618 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 05:43:08,693 INFO L225 Difference]: With dead ends: 25431 [2021-12-18 05:43:08,693 INFO L226 Difference]: Without dead ends: 17754 [2021-12-18 05:43:08,723 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 701 GetRequests, 687 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=178, Unknown=0, NotChecked=0, Total=210 [2021-12-18 05:43:08,724 INFO L933 BasicCegarLoop]: 2648 mSDtfsCounter, 2208 mSDsluCounter, 4864 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 189 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2392 SdHoareTripleChecker+Valid, 7512 SdHoareTripleChecker+Invalid, 218 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 189 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-12-18 05:43:08,724 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2392 Valid, 7512 Invalid, 218 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [189 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-12-18 05:43:08,740 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17754 states. [2021-12-18 05:43:09,127 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17754 to 7765. [2021-12-18 05:43:09,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7765 states, 5958 states have (on average 1.4313528029540115) internal successors, (8528), 5990 states have internal predecessors, (8528), 1474 states have call successors, (1474), 333 states have call predecessors, (1474), 332 states have return successors, (1473), 1465 states have call predecessors, (1473), 1473 states have call successors, (1473) [2021-12-18 05:43:09,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7765 states to 7765 states and 11475 transitions. [2021-12-18 05:43:09,159 INFO L78 Accepts]: Start accepts. Automaton has 7765 states and 11475 transitions. Word has length 534 [2021-12-18 05:43:09,160 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 05:43:09,160 INFO L470 AbstractCegarLoop]: Abstraction has 7765 states and 11475 transitions. [2021-12-18 05:43:09,160 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 41.0) internal successors, (164), 4 states have internal predecessors, (164), 2 states have call successors, (49), 2 states have call predecessors, (49), 2 states have return successors, (48), 2 states have call predecessors, (48), 2 states have call successors, (48) [2021-12-18 05:43:09,160 INFO L276 IsEmpty]: Start isEmpty. Operand 7765 states and 11475 transitions. [2021-12-18 05:43:09,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 609 [2021-12-18 05:43:09,182 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 05:43:09,182 INFO L514 BasicCegarLoop]: trace histogram [18, 18, 18, 18, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 8, 8, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 05:43:09,214 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2021-12-18 05:43:09,407 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-18 05:43:09,408 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 05:43:09,408 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 05:43:09,408 INFO L85 PathProgramCache]: Analyzing trace with hash -1082732076, now seen corresponding path program 1 times [2021-12-18 05:43:09,408 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 05:43:09,408 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1537839377] [2021-12-18 05:43:09,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 05:43:09,408 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 05:43:09,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:09,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 05:43:09,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:09,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:43:09,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:09,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:43:09,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:09,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-18 05:43:09,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:09,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:43:09,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:09,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:43:09,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:09,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-18 05:43:09,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:09,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:43:09,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:09,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:43:09,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:10,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-18 05:43:10,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:10,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:43:10,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:10,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:43:10,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:10,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-18 05:43:10,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:10,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:43:10,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:10,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:43:10,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:10,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-18 05:43:10,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:10,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:43:10,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:10,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:43:10,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:10,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-18 05:43:10,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:10,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:43:10,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:10,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:43:10,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:10,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-18 05:43:10,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:10,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:43:10,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:10,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:43:10,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:10,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-18 05:43:10,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:10,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:43:10,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:10,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:43:10,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:10,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 05:43:10,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:10,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:43:10,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:10,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:43:10,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:10,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-12-18 05:43:10,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:10,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:43:10,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:10,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:43:10,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:10,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-18 05:43:10,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:10,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2021-12-18 05:43:10,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:10,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2021-12-18 05:43:10,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:10,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2021-12-18 05:43:10,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:10,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2021-12-18 05:43:10,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:10,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2021-12-18 05:43:10,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:10,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2021-12-18 05:43:10,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:10,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2021-12-18 05:43:10,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:10,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2021-12-18 05:43:10,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:10,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2021-12-18 05:43:10,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:10,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2021-12-18 05:43:10,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:10,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-18 05:43:10,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:10,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2021-12-18 05:43:10,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:10,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2021-12-18 05:43:10,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:10,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2021-12-18 05:43:10,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:10,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2021-12-18 05:43:10,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:10,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 291 [2021-12-18 05:43:10,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:10,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2021-12-18 05:43:10,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:10,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 323 [2021-12-18 05:43:10,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:10,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:43:10,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:10,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:43:10,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:10,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2021-12-18 05:43:10,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:10,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:43:10,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:10,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:43:10,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:10,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2021-12-18 05:43:10,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:10,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:43:10,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:10,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:43:10,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:10,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 374 [2021-12-18 05:43:10,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:10,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:43:10,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:10,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:43:10,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:10,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 390 [2021-12-18 05:43:10,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:10,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:43:10,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:10,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:43:10,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:10,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 424 [2021-12-18 05:43:10,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:10,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 432 [2021-12-18 05:43:10,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:10,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 437 [2021-12-18 05:43:10,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:10,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 446 [2021-12-18 05:43:10,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:10,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 452 [2021-12-18 05:43:10,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:10,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 458 [2021-12-18 05:43:10,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:10,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:43:10,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:10,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 470 [2021-12-18 05:43:10,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:10,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 476 [2021-12-18 05:43:10,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:10,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 482 [2021-12-18 05:43:10,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:10,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:43:10,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:10,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 494 [2021-12-18 05:43:10,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:10,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 500 [2021-12-18 05:43:10,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:10,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 508 [2021-12-18 05:43:10,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:10,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 514 [2021-12-18 05:43:10,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:10,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:43:10,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:10,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 532 [2021-12-18 05:43:10,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:10,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 537 [2021-12-18 05:43:10,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:10,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 549 [2021-12-18 05:43:10,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:10,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:43:10,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:10,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 558 [2021-12-18 05:43:10,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:10,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 569 [2021-12-18 05:43:10,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:10,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 575 [2021-12-18 05:43:10,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:10,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:43:10,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:10,585 INFO L134 CoverageAnalysis]: Checked inductivity of 2592 backedges. 24 proven. 11 refuted. 0 times theorem prover too weak. 2557 trivial. 0 not checked. [2021-12-18 05:43:10,585 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 05:43:10,585 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1537839377] [2021-12-18 05:43:10,585 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1537839377] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-18 05:43:10,585 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [315375173] [2021-12-18 05:43:10,585 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 05:43:10,585 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-18 05:43:10,585 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-18 05:43:10,586 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-18 05:43:10,609 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-12-18 05:43:12,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:12,301 INFO L263 TraceCheckSpWp]: Trace formula consists of 7375 conjuncts, 5 conjunts are in the unsatisfiable core [2021-12-18 05:43:12,314 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-18 05:43:13,042 INFO L134 CoverageAnalysis]: Checked inductivity of 2592 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 2513 trivial. 0 not checked. [2021-12-18 05:43:13,043 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-18 05:43:13,043 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [315375173] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 05:43:13,043 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-18 05:43:13,043 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [13] total 16 [2021-12-18 05:43:13,043 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [832568893] [2021-12-18 05:43:13,043 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 05:43:13,044 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-18 05:43:13,044 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 05:43:13,045 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-18 05:43:13,045 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=208, Unknown=0, NotChecked=0, Total=240 [2021-12-18 05:43:13,045 INFO L87 Difference]: Start difference. First operand 7765 states and 11475 transitions. Second operand has 5 states, 5 states have (on average 39.2) internal successors, (196), 4 states have internal predecessors, (196), 2 states have call successors, (60), 2 states have call predecessors, (60), 3 states have return successors, (59), 3 states have call predecessors, (59), 2 states have call successors, (59) [2021-12-18 05:43:13,316 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 05:43:13,316 INFO L93 Difference]: Finished difference Result 18869 states and 28528 transitions. [2021-12-18 05:43:13,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-18 05:43:13,317 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 39.2) internal successors, (196), 4 states have internal predecessors, (196), 2 states have call successors, (60), 2 states have call predecessors, (60), 3 states have return successors, (59), 3 states have call predecessors, (59), 2 states have call successors, (59) Word has length 608 [2021-12-18 05:43:13,318 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 05:43:13,358 INFO L225 Difference]: With dead ends: 18869 [2021-12-18 05:43:13,358 INFO L226 Difference]: Without dead ends: 11184 [2021-12-18 05:43:13,384 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 797 GetRequests, 783 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=32, Invalid=208, Unknown=0, NotChecked=0, Total=240 [2021-12-18 05:43:13,385 INFO L933 BasicCegarLoop]: 2467 mSDtfsCounter, 579 mSDsluCounter, 6699 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 676 SdHoareTripleChecker+Valid, 9166 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-18 05:43:13,386 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [676 Valid, 9166 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-18 05:43:13,397 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11184 states. [2021-12-18 05:43:13,644 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11184 to 7781. [2021-12-18 05:43:13,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7781 states, 5970 states have (on average 1.4304857621440537) internal successors, (8540), 6002 states have internal predecessors, (8540), 1474 states have call successors, (1474), 333 states have call predecessors, (1474), 336 states have return successors, (1537), 1469 states have call predecessors, (1537), 1473 states have call successors, (1537) [2021-12-18 05:43:13,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7781 states to 7781 states and 11551 transitions. [2021-12-18 05:43:13,675 INFO L78 Accepts]: Start accepts. Automaton has 7781 states and 11551 transitions. Word has length 608 [2021-12-18 05:43:13,676 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 05:43:13,677 INFO L470 AbstractCegarLoop]: Abstraction has 7781 states and 11551 transitions. [2021-12-18 05:43:13,677 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 39.2) internal successors, (196), 4 states have internal predecessors, (196), 2 states have call successors, (60), 2 states have call predecessors, (60), 3 states have return successors, (59), 3 states have call predecessors, (59), 2 states have call successors, (59) [2021-12-18 05:43:13,677 INFO L276 IsEmpty]: Start isEmpty. Operand 7781 states and 11551 transitions. [2021-12-18 05:43:13,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 617 [2021-12-18 05:43:13,693 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 05:43:13,693 INFO L514 BasicCegarLoop]: trace histogram [18, 18, 18, 18, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 8, 8, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 05:43:13,744 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-12-18 05:43:13,915 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2021-12-18 05:43:13,916 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 05:43:13,916 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 05:43:13,916 INFO L85 PathProgramCache]: Analyzing trace with hash -259416643, now seen corresponding path program 1 times [2021-12-18 05:43:13,916 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 05:43:13,916 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [309248196] [2021-12-18 05:43:13,916 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 05:43:13,916 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 05:43:14,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:14,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 05:43:14,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:14,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:43:14,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:14,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:43:14,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:14,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-18 05:43:14,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:14,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:43:14,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:14,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:43:14,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:14,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-18 05:43:14,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:14,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:43:14,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:14,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:43:14,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:14,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-18 05:43:14,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:14,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:43:14,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:14,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:43:14,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:14,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-18 05:43:14,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:14,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:43:14,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:14,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:43:14,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:14,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-18 05:43:14,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:14,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:43:14,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:14,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:43:14,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:14,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-18 05:43:14,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:14,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:43:14,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:14,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:43:14,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:14,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-18 05:43:14,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:14,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:43:14,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:14,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:43:14,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:14,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-18 05:43:14,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:14,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:43:14,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:14,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:43:14,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:14,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 05:43:14,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:14,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:43:14,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:14,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:43:14,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:14,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-12-18 05:43:14,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:14,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:43:14,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:14,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:43:14,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:14,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-18 05:43:14,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:14,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2021-12-18 05:43:14,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:14,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2021-12-18 05:43:14,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:14,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2021-12-18 05:43:14,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:14,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2021-12-18 05:43:14,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:14,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2021-12-18 05:43:14,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:14,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2021-12-18 05:43:14,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:14,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2021-12-18 05:43:14,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:14,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2021-12-18 05:43:14,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:14,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2021-12-18 05:43:14,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:14,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2021-12-18 05:43:14,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:14,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-18 05:43:14,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:14,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2021-12-18 05:43:14,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:14,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2021-12-18 05:43:14,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:14,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2021-12-18 05:43:14,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:14,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2021-12-18 05:43:14,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:14,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 291 [2021-12-18 05:43:14,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:14,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2021-12-18 05:43:14,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:14,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 323 [2021-12-18 05:43:14,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:14,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:43:14,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:14,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:43:14,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:14,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2021-12-18 05:43:14,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:14,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:43:14,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:14,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:43:14,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:14,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2021-12-18 05:43:14,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:14,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:43:14,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:14,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:43:14,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:14,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 374 [2021-12-18 05:43:14,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:14,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:43:14,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:14,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:43:14,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:14,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 390 [2021-12-18 05:43:14,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:14,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:43:14,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:14,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:43:14,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:14,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 424 [2021-12-18 05:43:14,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:14,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 432 [2021-12-18 05:43:14,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:14,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 437 [2021-12-18 05:43:14,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:14,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 446 [2021-12-18 05:43:14,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:14,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 452 [2021-12-18 05:43:14,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:14,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 458 [2021-12-18 05:43:14,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:14,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:43:14,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:14,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-12-18 05:43:14,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:14,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 478 [2021-12-18 05:43:15,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:15,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 484 [2021-12-18 05:43:15,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:15,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 490 [2021-12-18 05:43:15,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:15,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:43:15,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:15,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 502 [2021-12-18 05:43:15,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:15,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 508 [2021-12-18 05:43:15,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:15,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 516 [2021-12-18 05:43:15,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:15,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 522 [2021-12-18 05:43:15,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:15,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:43:15,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:15,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 540 [2021-12-18 05:43:15,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:15,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 545 [2021-12-18 05:43:15,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:15,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 557 [2021-12-18 05:43:15,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:15,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:43:15,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:15,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 566 [2021-12-18 05:43:15,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:15,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 577 [2021-12-18 05:43:15,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:15,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 583 [2021-12-18 05:43:15,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:15,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:43:15,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:15,133 INFO L134 CoverageAnalysis]: Checked inductivity of 2598 backedges. 24 proven. 11 refuted. 0 times theorem prover too weak. 2563 trivial. 0 not checked. [2021-12-18 05:43:15,133 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 05:43:15,134 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [309248196] [2021-12-18 05:43:15,134 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [309248196] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-18 05:43:15,134 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1571931157] [2021-12-18 05:43:15,134 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 05:43:15,134 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-18 05:43:15,134 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-18 05:43:15,161 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-18 05:43:15,210 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-12-18 05:43:16,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:16,957 INFO L263 TraceCheckSpWp]: Trace formula consists of 7411 conjuncts, 5 conjunts are in the unsatisfiable core [2021-12-18 05:43:16,968 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-18 05:43:17,782 INFO L134 CoverageAnalysis]: Checked inductivity of 2598 backedges. 97 proven. 0 refuted. 0 times theorem prover too weak. 2501 trivial. 0 not checked. [2021-12-18 05:43:17,783 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-18 05:43:17,783 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1571931157] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 05:43:17,783 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-18 05:43:17,783 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [13] total 16 [2021-12-18 05:43:17,783 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1180507449] [2021-12-18 05:43:17,783 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 05:43:17,784 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-18 05:43:17,784 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 05:43:17,784 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-18 05:43:17,784 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=208, Unknown=0, NotChecked=0, Total=240 [2021-12-18 05:43:17,784 INFO L87 Difference]: Start difference. First operand 7781 states and 11551 transitions. Second operand has 5 states, 5 states have (on average 40.4) internal successors, (202), 4 states have internal predecessors, (202), 2 states have call successors, (61), 2 states have call predecessors, (61), 3 states have return successors, (60), 3 states have call predecessors, (60), 2 states have call successors, (60) [2021-12-18 05:43:18,152 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 05:43:18,152 INFO L93 Difference]: Finished difference Result 18901 states and 28564 transitions. [2021-12-18 05:43:18,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-18 05:43:18,156 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 40.4) internal successors, (202), 4 states have internal predecessors, (202), 2 states have call successors, (61), 2 states have call predecessors, (61), 3 states have return successors, (60), 3 states have call predecessors, (60), 2 states have call successors, (60) Word has length 616 [2021-12-18 05:43:18,157 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 05:43:18,189 INFO L225 Difference]: With dead ends: 18901 [2021-12-18 05:43:18,189 INFO L226 Difference]: Without dead ends: 11200 [2021-12-18 05:43:18,207 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 807 GetRequests, 793 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=208, Unknown=0, NotChecked=0, Total=240 [2021-12-18 05:43:18,208 INFO L933 BasicCegarLoop]: 2467 mSDtfsCounter, 579 mSDsluCounter, 6699 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 671 SdHoareTripleChecker+Valid, 9166 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-18 05:43:18,208 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [671 Valid, 9166 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-18 05:43:18,218 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11200 states. [2021-12-18 05:43:18,433 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11200 to 7797. [2021-12-18 05:43:18,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7797 states, 5982 states have (on average 1.4296221999331327) internal successors, (8552), 6014 states have internal predecessors, (8552), 1474 states have call successors, (1474), 333 states have call predecessors, (1474), 340 states have return successors, (1545), 1473 states have call predecessors, (1545), 1473 states have call successors, (1545) [2021-12-18 05:43:18,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7797 states to 7797 states and 11571 transitions. [2021-12-18 05:43:18,465 INFO L78 Accepts]: Start accepts. Automaton has 7797 states and 11571 transitions. Word has length 616 [2021-12-18 05:43:18,466 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 05:43:18,466 INFO L470 AbstractCegarLoop]: Abstraction has 7797 states and 11571 transitions. [2021-12-18 05:43:18,466 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 40.4) internal successors, (202), 4 states have internal predecessors, (202), 2 states have call successors, (61), 2 states have call predecessors, (61), 3 states have return successors, (60), 3 states have call predecessors, (60), 2 states have call successors, (60) [2021-12-18 05:43:18,466 INFO L276 IsEmpty]: Start isEmpty. Operand 7797 states and 11571 transitions. [2021-12-18 05:43:18,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 623 [2021-12-18 05:43:18,482 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 05:43:18,482 INFO L514 BasicCegarLoop]: trace histogram [18, 18, 18, 18, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 8, 8, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 05:43:18,519 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-12-18 05:43:18,704 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-18 05:43:18,704 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 05:43:18,705 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 05:43:18,705 INFO L85 PathProgramCache]: Analyzing trace with hash -2141896606, now seen corresponding path program 1 times [2021-12-18 05:43:18,705 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 05:43:18,705 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [653883721] [2021-12-18 05:43:18,705 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 05:43:18,705 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 05:43:18,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:19,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 05:43:19,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:19,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:43:19,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:19,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:43:19,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:19,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-18 05:43:19,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:19,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:43:19,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:19,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:43:19,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:19,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-18 05:43:19,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:19,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:43:19,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:19,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:43:19,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:19,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-18 05:43:19,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:19,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:43:19,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:19,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:43:19,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:19,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-18 05:43:19,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:19,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:43:19,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:19,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:43:19,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:19,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-18 05:43:19,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:19,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:43:19,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:19,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:43:19,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:19,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-18 05:43:19,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:19,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:43:19,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:19,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:43:19,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:19,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-18 05:43:19,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:19,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:43:19,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:19,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:43:19,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:19,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-18 05:43:19,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:19,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:43:19,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:19,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:43:19,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:19,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 05:43:19,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:19,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:43:19,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:19,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:43:19,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:19,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-12-18 05:43:19,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:19,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:43:19,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:19,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:43:19,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:19,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-18 05:43:19,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:19,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2021-12-18 05:43:19,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:19,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2021-12-18 05:43:19,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:19,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2021-12-18 05:43:19,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:19,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2021-12-18 05:43:19,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:19,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2021-12-18 05:43:19,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:19,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2021-12-18 05:43:19,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:19,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2021-12-18 05:43:19,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:19,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2021-12-18 05:43:19,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:19,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2021-12-18 05:43:19,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:19,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2021-12-18 05:43:19,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:19,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-18 05:43:19,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:19,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2021-12-18 05:43:19,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:19,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2021-12-18 05:43:19,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:19,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2021-12-18 05:43:19,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:19,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2021-12-18 05:43:19,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:19,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 291 [2021-12-18 05:43:19,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:19,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2021-12-18 05:43:19,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:19,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 323 [2021-12-18 05:43:19,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:19,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:43:19,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:19,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:43:19,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:19,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2021-12-18 05:43:19,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:19,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:43:19,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:19,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:43:19,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:19,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2021-12-18 05:43:19,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:19,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:43:19,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:19,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:43:19,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:19,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 374 [2021-12-18 05:43:19,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:19,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:43:19,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:19,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:43:19,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:19,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 390 [2021-12-18 05:43:19,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:19,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:43:19,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:19,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:43:19,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:19,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 424 [2021-12-18 05:43:19,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:19,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 432 [2021-12-18 05:43:19,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:19,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 437 [2021-12-18 05:43:19,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:19,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 446 [2021-12-18 05:43:19,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:19,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 452 [2021-12-18 05:43:19,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:19,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 458 [2021-12-18 05:43:19,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:19,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:43:19,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:19,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-12-18 05:43:19,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:19,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 478 [2021-12-18 05:43:19,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:19,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 484 [2021-12-18 05:43:19,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:19,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 490 [2021-12-18 05:43:19,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:19,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:43:19,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:19,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-18 05:43:19,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:19,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 508 [2021-12-18 05:43:19,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:19,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 514 [2021-12-18 05:43:19,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:19,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 522 [2021-12-18 05:43:19,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:19,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 528 [2021-12-18 05:43:19,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:19,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:43:19,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:19,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 546 [2021-12-18 05:43:19,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:19,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 551 [2021-12-18 05:43:19,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:19,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 563 [2021-12-18 05:43:19,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:19,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:43:19,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:19,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 572 [2021-12-18 05:43:19,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:19,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 583 [2021-12-18 05:43:19,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:19,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 589 [2021-12-18 05:43:19,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:19,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:43:19,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:19,833 INFO L134 CoverageAnalysis]: Checked inductivity of 2607 backedges. 24 proven. 11 refuted. 0 times theorem prover too weak. 2572 trivial. 0 not checked. [2021-12-18 05:43:19,833 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 05:43:19,833 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [653883721] [2021-12-18 05:43:19,834 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [653883721] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-18 05:43:19,834 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [109238865] [2021-12-18 05:43:19,834 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 05:43:19,834 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-18 05:43:19,834 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-18 05:43:19,835 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-18 05:43:19,836 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-12-18 05:43:21,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:21,724 INFO L263 TraceCheckSpWp]: Trace formula consists of 7457 conjuncts, 5 conjunts are in the unsatisfiable core [2021-12-18 05:43:21,733 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-18 05:43:22,474 INFO L134 CoverageAnalysis]: Checked inductivity of 2607 backedges. 66 proven. 0 refuted. 0 times theorem prover too weak. 2541 trivial. 0 not checked. [2021-12-18 05:43:22,474 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-18 05:43:22,474 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [109238865] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 05:43:22,474 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-18 05:43:22,474 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [13] total 16 [2021-12-18 05:43:22,474 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [784854202] [2021-12-18 05:43:22,475 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 05:43:22,475 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-18 05:43:22,475 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 05:43:22,475 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-18 05:43:22,476 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=208, Unknown=0, NotChecked=0, Total=240 [2021-12-18 05:43:22,476 INFO L87 Difference]: Start difference. First operand 7797 states and 11571 transitions. Second operand has 5 states, 5 states have (on average 40.8) internal successors, (204), 4 states have internal predecessors, (204), 2 states have call successors, (62), 2 states have call predecessors, (62), 3 states have return successors, (61), 3 states have call predecessors, (61), 2 states have call successors, (61) [2021-12-18 05:43:22,736 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 05:43:22,737 INFO L93 Difference]: Finished difference Result 18925 states and 28652 transitions. [2021-12-18 05:43:22,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-18 05:43:22,738 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 40.8) internal successors, (204), 4 states have internal predecessors, (204), 2 states have call successors, (62), 2 states have call predecessors, (62), 3 states have return successors, (61), 3 states have call predecessors, (61), 2 states have call successors, (61) Word has length 622 [2021-12-18 05:43:22,738 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 05:43:22,773 INFO L225 Difference]: With dead ends: 18925 [2021-12-18 05:43:22,773 INFO L226 Difference]: Without dead ends: 11208 [2021-12-18 05:43:22,794 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 815 GetRequests, 801 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=32, Invalid=208, Unknown=0, NotChecked=0, Total=240 [2021-12-18 05:43:22,794 INFO L933 BasicCegarLoop]: 2467 mSDtfsCounter, 579 mSDsluCounter, 6699 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 676 SdHoareTripleChecker+Valid, 9166 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-18 05:43:22,795 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [676 Valid, 9166 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-18 05:43:22,804 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11208 states. [2021-12-18 05:43:23,016 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11208 to 7805. [2021-12-18 05:43:23,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7805 states, 5990 states have (on average 1.4290484140233723) internal successors, (8560), 6018 states have internal predecessors, (8560), 1474 states have call successors, (1474), 333 states have call predecessors, (1474), 340 states have return successors, (1545), 1477 states have call predecessors, (1545), 1473 states have call successors, (1545) [2021-12-18 05:43:23,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7805 states to 7805 states and 11579 transitions. [2021-12-18 05:43:23,042 INFO L78 Accepts]: Start accepts. Automaton has 7805 states and 11579 transitions. Word has length 622 [2021-12-18 05:43:23,043 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 05:43:23,043 INFO L470 AbstractCegarLoop]: Abstraction has 7805 states and 11579 transitions. [2021-12-18 05:43:23,043 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 40.8) internal successors, (204), 4 states have internal predecessors, (204), 2 states have call successors, (62), 2 states have call predecessors, (62), 3 states have return successors, (61), 3 states have call predecessors, (61), 2 states have call successors, (61) [2021-12-18 05:43:23,043 INFO L276 IsEmpty]: Start isEmpty. Operand 7805 states and 11579 transitions. [2021-12-18 05:43:23,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 631 [2021-12-18 05:43:23,057 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 05:43:23,057 INFO L514 BasicCegarLoop]: trace histogram [18, 18, 18, 18, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 8, 8, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 05:43:23,091 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-12-18 05:43:23,283 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-18 05:43:23,284 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 05:43:23,284 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 05:43:23,284 INFO L85 PathProgramCache]: Analyzing trace with hash -426209973, now seen corresponding path program 2 times [2021-12-18 05:43:23,284 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 05:43:23,284 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [936488373] [2021-12-18 05:43:23,285 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 05:43:23,285 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 05:43:23,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:23,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-18 05:43:23,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:23,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:43:23,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:23,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:43:23,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:23,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-18 05:43:23,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:23,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:43:23,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:23,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:43:23,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:23,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-18 05:43:23,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:23,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:43:23,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:23,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:43:23,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:23,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-18 05:43:23,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:23,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:43:23,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:23,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:43:23,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:23,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-18 05:43:23,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:23,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:43:23,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:23,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:43:23,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:23,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-18 05:43:23,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:23,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:43:23,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:23,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:43:23,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:23,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-18 05:43:23,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:23,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:43:23,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:23,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:43:23,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:23,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-18 05:43:23,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:23,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:43:23,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:23,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:43:23,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:23,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-18 05:43:23,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:23,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:43:23,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:23,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:43:23,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:23,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-18 05:43:23,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:23,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:43:23,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:23,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:43:23,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:23,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-12-18 05:43:23,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:23,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:43:23,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:23,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:43:23,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:24,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-18 05:43:24,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:24,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2021-12-18 05:43:24,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:24,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2021-12-18 05:43:24,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:24,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2021-12-18 05:43:24,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:24,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2021-12-18 05:43:24,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:24,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2021-12-18 05:43:24,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:24,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2021-12-18 05:43:24,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:24,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2021-12-18 05:43:24,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:24,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2021-12-18 05:43:24,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:24,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2021-12-18 05:43:24,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:24,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2021-12-18 05:43:24,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:24,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-18 05:43:24,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:24,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2021-12-18 05:43:24,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:24,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2021-12-18 05:43:24,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:24,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2021-12-18 05:43:24,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:24,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2021-12-18 05:43:24,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:24,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 291 [2021-12-18 05:43:24,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:24,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2021-12-18 05:43:24,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:24,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 323 [2021-12-18 05:43:24,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:24,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:43:24,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:24,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:43:24,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:24,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2021-12-18 05:43:24,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:24,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:43:24,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:24,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:43:24,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:24,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2021-12-18 05:43:24,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:24,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:43:24,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:24,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:43:24,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:24,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 374 [2021-12-18 05:43:24,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:24,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:43:24,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:24,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:43:24,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:24,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 390 [2021-12-18 05:43:24,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:24,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:43:24,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:24,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 05:43:24,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:24,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 424 [2021-12-18 05:43:24,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:24,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 432 [2021-12-18 05:43:24,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:24,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 437 [2021-12-18 05:43:24,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:24,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 446 [2021-12-18 05:43:24,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:24,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 452 [2021-12-18 05:43:24,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:24,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 458 [2021-12-18 05:43:24,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:24,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:43:24,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:24,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-12-18 05:43:24,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:24,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 478 [2021-12-18 05:43:24,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:24,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 484 [2021-12-18 05:43:24,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:24,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 490 [2021-12-18 05:43:24,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:24,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:43:24,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:24,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-18 05:43:24,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:24,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 508 [2021-12-18 05:43:24,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:24,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 514 [2021-12-18 05:43:24,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:24,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 522 [2021-12-18 05:43:24,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:24,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 528 [2021-12-18 05:43:24,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:24,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:43:24,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:24,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2021-12-18 05:43:24,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:24,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 554 [2021-12-18 05:43:24,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:24,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 559 [2021-12-18 05:43:24,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:24,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 571 [2021-12-18 05:43:24,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:24,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:43:24,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:24,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 580 [2021-12-18 05:43:24,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:24,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 591 [2021-12-18 05:43:24,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:24,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 597 [2021-12-18 05:43:24,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:24,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 05:43:24,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 05:43:24,437 INFO L134 CoverageAnalysis]: Checked inductivity of 2624 backedges. 24 proven. 11 refuted. 0 times theorem prover too weak. 2589 trivial. 0 not checked. [2021-12-18 05:43:24,437 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 05:43:24,437 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [936488373] [2021-12-18 05:43:24,437 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [936488373] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-18 05:43:24,437 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2138175819] [2021-12-18 05:43:24,438 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-12-18 05:43:24,438 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-18 05:43:24,438 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-18 05:43:24,439 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-18 05:43:24,440 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process Killed by 15