./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 791161d1 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-?-791161d [2022-07-23 00:28:23,058 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-23 00:28:23,060 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-23 00:28:23,099 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-23 00:28:23,099 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-23 00:28:23,101 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-23 00:28:23,105 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-23 00:28:23,111 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-23 00:28:23,113 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-23 00:28:23,119 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-23 00:28:23,120 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-23 00:28:23,122 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-23 00:28:23,122 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-23 00:28:23,124 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-23 00:28:23,126 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-23 00:28:23,127 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-23 00:28:23,128 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-23 00:28:23,131 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-23 00:28:23,135 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-23 00:28:23,140 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-23 00:28:23,142 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-23 00:28:23,143 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-23 00:28:23,144 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-23 00:28:23,145 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-23 00:28:23,146 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-23 00:28:23,151 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-23 00:28:23,152 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-23 00:28:23,152 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-23 00:28:23,153 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-23 00:28:23,154 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-23 00:28:23,155 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-23 00:28:23,155 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-23 00:28:23,157 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-23 00:28:23,157 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-23 00:28:23,158 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-23 00:28:23,159 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-23 00:28:23,159 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-23 00:28:23,159 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-23 00:28:23,160 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-23 00:28:23,160 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-23 00:28:23,161 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-23 00:28:23,162 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-23 00:28:23,164 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-23 00:28:23,192 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-23 00:28:23,193 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-23 00:28:23,193 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-23 00:28:23,194 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-23 00:28:23,194 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-23 00:28:23,195 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-23 00:28:23,195 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-23 00:28:23,196 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-23 00:28:23,196 INFO L138 SettingsManager]: * Use SBE=true [2022-07-23 00:28:23,197 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-23 00:28:23,197 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-23 00:28:23,197 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-23 00:28:23,197 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-23 00:28:23,198 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-23 00:28:23,198 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-23 00:28:23,198 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-23 00:28:23,198 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-23 00:28:23,198 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-23 00:28:23,199 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-23 00:28:23,200 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-23 00:28:23,200 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-23 00:28:23,200 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-23 00:28:23,201 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-23 00:28:23,201 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-23 00:28:23,201 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-23 00:28:23,201 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-23 00:28:23,201 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-23 00:28:23,202 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-23 00:28:23,202 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-23 00:28:23,202 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-23 00:28:23,202 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3e9c6ba87a54868dec599f719996df2badd1b08d2641eaf7156cfe2e5d004f90 [2022-07-23 00:28:23,496 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-23 00:28:23,526 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-23 00:28:23,528 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-23 00:28:23,529 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-23 00:28:23,530 INFO L275 PluginConnector]: CDTParser initialized [2022-07-23 00:28:23,531 INFO L432 ainManager$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 [2022-07-23 00:28:23,600 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7564f54c0/e00b3a561418491a9c339348a88cecbb/FLAG6acb25e22 [2022-07-23 00:28:24,327 INFO L306 CDTParser]: Found 1 translation units. [2022-07-23 00:28:24,328 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 [2022-07-23 00:28:24,377 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7564f54c0/e00b3a561418491a9c339348a88cecbb/FLAG6acb25e22 [2022-07-23 00:28:24,435 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7564f54c0/e00b3a561418491a9c339348a88cecbb [2022-07-23 00:28:24,437 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-23 00:28:24,439 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-23 00:28:24,441 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-23 00:28:24,441 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-23 00:28:24,444 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-23 00:28:24,445 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 12:28:24" (1/1) ... [2022-07-23 00:28:24,445 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c97ab66 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 12:28:24, skipping insertion in model container [2022-07-23 00:28:24,446 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 12:28:24" (1/1) ... [2022-07-23 00:28:24,452 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-23 00:28:24,559 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-23 00:28:25,722 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] [2022-07-23 00:28:25,743 WARN L611 FunctionHandler]: implicit declaration of function ldv_xmalloc [2022-07-23 00:28:25,751 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-23 00:28:25,781 INFO L203 MainTranslator]: Completed pre-run [2022-07-23 00:28:26,058 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] [2022-07-23 00:28:26,066 WARN L611 FunctionHandler]: implicit declaration of function ldv_xmalloc [2022-07-23 00:28:26,069 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-23 00:28:26,212 INFO L208 MainTranslator]: Completed translation [2022-07-23 00:28:26,213 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 12:28:26 WrapperNode [2022-07-23 00:28:26,213 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-23 00:28:26,214 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-23 00:28:26,215 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-23 00:28:26,215 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-23 00:28:26,221 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 12:28:26" (1/1) ... [2022-07-23 00:28:26,317 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 12:28:26" (1/1) ... [2022-07-23 00:28:26,442 INFO L137 Inliner]: procedures = 217, calls = 1318, calls flagged for inlining = 114, calls inlined = 113, statements flattened = 3973 [2022-07-23 00:28:26,442 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-23 00:28:26,444 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-23 00:28:26,444 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-23 00:28:26,444 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-23 00:28:26,451 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 12:28:26" (1/1) ... [2022-07-23 00:28:26,452 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 12:28:26" (1/1) ... [2022-07-23 00:28:26,482 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 12:28:26" (1/1) ... [2022-07-23 00:28:26,483 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 12:28:26" (1/1) ... [2022-07-23 00:28:26,612 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 12:28:26" (1/1) ... [2022-07-23 00:28:26,639 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 12:28:26" (1/1) ... [2022-07-23 00:28:26,663 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 12:28:26" (1/1) ... [2022-07-23 00:28:26,686 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-23 00:28:26,688 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-23 00:28:26,688 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-23 00:28:26,689 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-23 00:28:26,690 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 12:28:26" (1/1) ... [2022-07-23 00:28:26,696 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-23 00:28:26,705 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 00:28:26,721 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-07-23 00:28:26,745 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-07-23 00:28:26,759 INFO L130 BoogieDeclarations]: Found specification of procedure kxcjk1013_read_event [2022-07-23 00:28:26,759 INFO L138 BoogieDeclarations]: Found implementation of procedure kxcjk1013_read_event [2022-07-23 00:28:26,759 INFO L130 BoogieDeclarations]: Found specification of procedure kxcjk1013_read_raw [2022-07-23 00:28:26,759 INFO L138 BoogieDeclarations]: Found implementation of procedure kxcjk1013_read_raw [2022-07-23 00:28:26,760 INFO L130 BoogieDeclarations]: Found specification of procedure __cmpxchg_wrong_size [2022-07-23 00:28:26,760 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-23 00:28:26,760 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-23 00:28:26,760 INFO L130 BoogieDeclarations]: Found specification of procedure iio_pollfunc_store_time [2022-07-23 00:28:26,760 INFO L138 BoogieDeclarations]: Found implementation of procedure iio_pollfunc_store_time [2022-07-23 00:28:26,760 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-07-23 00:28:26,760 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-07-23 00:28:26,761 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-23 00:28:26,761 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-23 00:28:26,761 INFO L130 BoogieDeclarations]: Found specification of procedure kxcjk1013_set_range [2022-07-23 00:28:26,761 INFO L138 BoogieDeclarations]: Found implementation of procedure kxcjk1013_set_range [2022-07-23 00:28:26,761 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-07-23 00:28:26,761 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-07-23 00:28:26,762 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-07-23 00:28:26,762 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-07-23 00:28:26,762 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_irq_2 [2022-07-23 00:28:26,762 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_irq_2 [2022-07-23 00:28:26,762 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-07-23 00:28:26,762 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-07-23 00:28:26,763 INFO L130 BoogieDeclarations]: Found specification of procedure iio_trigger_unregister [2022-07-23 00:28:26,763 INFO L138 BoogieDeclarations]: Found implementation of procedure iio_trigger_unregister [2022-07-23 00:28:26,763 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-23 00:28:26,763 INFO L130 BoogieDeclarations]: Found specification of procedure iio_trigger_register [2022-07-23 00:28:26,763 INFO L138 BoogieDeclarations]: Found implementation of procedure iio_trigger_register [2022-07-23 00:28:26,763 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_smbus_read_byte_data [2022-07-23 00:28:26,763 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_smbus_read_byte_data [2022-07-23 00:28:26,764 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-23 00:28:26,764 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-07-23 00:28:26,764 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-07-23 00:28:26,764 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-07-23 00:28:26,764 INFO L130 BoogieDeclarations]: Found specification of procedure iio_trigger_get_drvdata [2022-07-23 00:28:26,764 INFO L138 BoogieDeclarations]: Found implementation of procedure iio_trigger_get_drvdata [2022-07-23 00:28:26,765 INFO L130 BoogieDeclarations]: Found specification of procedure iio_triggered_buffer_cleanup [2022-07-23 00:28:26,765 INFO L138 BoogieDeclarations]: Found implementation of procedure iio_triggered_buffer_cleanup [2022-07-23 00:28:26,765 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2022-07-23 00:28:26,765 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2022-07-23 00:28:26,765 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-23 00:28:26,765 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-23 00:28:26,766 INFO L130 BoogieDeclarations]: Found specification of procedure kxcjk1013_write_raw [2022-07-23 00:28:26,766 INFO L138 BoogieDeclarations]: Found implementation of procedure kxcjk1013_write_raw [2022-07-23 00:28:26,766 INFO L130 BoogieDeclarations]: Found specification of procedure iio_trigger_poll [2022-07-23 00:28:26,766 INFO L138 BoogieDeclarations]: Found implementation of procedure iio_trigger_poll [2022-07-23 00:28:26,766 INFO L130 BoogieDeclarations]: Found specification of procedure pm_runtime_put_noidle [2022-07-23 00:28:26,766 INFO L138 BoogieDeclarations]: Found implementation of procedure pm_runtime_put_noidle [2022-07-23 00:28:26,766 INFO L130 BoogieDeclarations]: Found specification of procedure kxcjk1013_set_power_state [2022-07-23 00:28:26,767 INFO L138 BoogieDeclarations]: Found implementation of procedure kxcjk1013_set_power_state [2022-07-23 00:28:26,767 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2022-07-23 00:28:26,767 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2022-07-23 00:28:26,767 INFO L130 BoogieDeclarations]: Found specification of procedure iio_trigger_set_drvdata [2022-07-23 00:28:26,767 INFO L138 BoogieDeclarations]: Found implementation of procedure iio_trigger_set_drvdata [2022-07-23 00:28:26,767 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2022-07-23 00:28:26,768 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2022-07-23 00:28:26,768 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-07-23 00:28:26,768 INFO L130 BoogieDeclarations]: Found specification of procedure devm_request_threaded_irq [2022-07-23 00:28:26,768 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_request_threaded_irq [2022-07-23 00:28:26,768 INFO L130 BoogieDeclarations]: Found specification of procedure __pm_runtime_set_status [2022-07-23 00:28:26,768 INFO L138 BoogieDeclarations]: Found implementation of procedure __pm_runtime_set_status [2022-07-23 00:28:26,769 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-23 00:28:26,769 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_get_clientdata [2022-07-23 00:28:26,769 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_get_clientdata [2022-07-23 00:28:26,769 INFO L130 BoogieDeclarations]: Found specification of procedure kxcjk1013_trigger_handler [2022-07-23 00:28:26,769 INFO L138 BoogieDeclarations]: Found implementation of procedure kxcjk1013_trigger_handler [2022-07-23 00:28:26,769 INFO L130 BoogieDeclarations]: Found specification of procedure reg_check_2 [2022-07-23 00:28:26,769 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_check_2 [2022-07-23 00:28:26,770 INFO L130 BoogieDeclarations]: Found specification of procedure iio_priv [2022-07-23 00:28:26,770 INFO L138 BoogieDeclarations]: Found implementation of procedure iio_priv [2022-07-23 00:28:26,770 INFO L130 BoogieDeclarations]: Found specification of procedure iio_device_unregister [2022-07-23 00:28:26,770 INFO L138 BoogieDeclarations]: Found implementation of procedure iio_device_unregister [2022-07-23 00:28:26,770 INFO L130 BoogieDeclarations]: Found specification of procedure kxcjk1013_event_handler [2022-07-23 00:28:26,770 INFO L138 BoogieDeclarations]: Found implementation of procedure kxcjk1013_event_handler [2022-07-23 00:28:26,771 INFO L130 BoogieDeclarations]: Found specification of procedure kxcjk1013_setup_any_motion_interrupt [2022-07-23 00:28:26,771 INFO L138 BoogieDeclarations]: Found implementation of procedure kxcjk1013_setup_any_motion_interrupt [2022-07-23 00:28:26,771 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-23 00:28:26,771 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-23 00:28:26,771 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-23 00:28:26,771 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-07-23 00:28:26,771 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-07-23 00:28:26,772 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-23 00:28:26,772 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2022-07-23 00:28:26,772 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2022-07-23 00:28:26,772 INFO L130 BoogieDeclarations]: Found specification of procedure kxcjk1013_set_mode [2022-07-23 00:28:26,772 INFO L138 BoogieDeclarations]: Found implementation of procedure kxcjk1013_set_mode [2022-07-23 00:28:26,772 INFO L130 BoogieDeclarations]: Found specification of procedure kxcjk1013_get_acc_reg [2022-07-23 00:28:26,772 INFO L138 BoogieDeclarations]: Found implementation of procedure kxcjk1013_get_acc_reg [2022-07-23 00:28:26,773 INFO L130 BoogieDeclarations]: Found specification of procedure kxcjk1013_get_mode [2022-07-23 00:28:26,773 INFO L138 BoogieDeclarations]: Found implementation of procedure kxcjk1013_get_mode [2022-07-23 00:28:26,773 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-23 00:28:26,773 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-23 00:28:26,773 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_4 [2022-07-23 00:28:26,773 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_4 [2022-07-23 00:28:26,774 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2022-07-23 00:28:26,774 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2022-07-23 00:28:26,774 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_3 [2022-07-23 00:28:26,774 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_3 [2022-07-23 00:28:26,774 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_2 [2022-07-23 00:28:26,774 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_2 [2022-07-23 00:28:26,774 INFO L130 BoogieDeclarations]: Found specification of procedure iio_read_const_attr [2022-07-23 00:28:26,775 INFO L138 BoogieDeclarations]: Found implementation of procedure iio_read_const_attr [2022-07-23 00:28:26,775 INFO L130 BoogieDeclarations]: Found specification of procedure kxcjk1013_resume [2022-07-23 00:28:26,775 INFO L138 BoogieDeclarations]: Found implementation of procedure kxcjk1013_resume [2022-07-23 00:28:26,775 INFO L130 BoogieDeclarations]: Found specification of procedure kxcjk1013_write_event [2022-07-23 00:28:26,775 INFO L138 BoogieDeclarations]: Found implementation of procedure kxcjk1013_write_event [2022-07-23 00:28:26,775 INFO L130 BoogieDeclarations]: Found specification of procedure iio_push_event [2022-07-23 00:28:26,776 INFO L138 BoogieDeclarations]: Found implementation of procedure iio_push_event [2022-07-23 00:28:26,776 INFO L130 BoogieDeclarations]: Found specification of procedure kxcjk1013_suspend [2022-07-23 00:28:26,776 INFO L138 BoogieDeclarations]: Found implementation of procedure kxcjk1013_suspend [2022-07-23 00:28:26,776 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-23 00:28:26,776 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_smbus_write_byte_data [2022-07-23 00:28:26,776 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_smbus_write_byte_data [2022-07-23 00:28:26,776 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-23 00:28:26,777 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-23 00:28:26,777 INFO L130 BoogieDeclarations]: Found specification of procedure kxcjk1013_data_rdy_trig_poll [2022-07-23 00:28:26,777 INFO L138 BoogieDeclarations]: Found implementation of procedure kxcjk1013_data_rdy_trig_poll [2022-07-23 00:28:26,777 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-07-23 00:28:26,777 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-07-23 00:28:27,411 INFO L234 CfgBuilder]: Building ICFG [2022-07-23 00:28:27,443 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-23 00:28:27,662 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-23 00:28:43,631 INFO L275 CfgBuilder]: Performing block encoding [2022-07-23 00:28:43,651 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-23 00:28:43,651 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-23 00:28:43,655 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 12:28:43 BoogieIcfgContainer [2022-07-23 00:28:43,660 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-23 00:28:43,663 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-23 00:28:43,663 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-23 00:28:43,666 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-23 00:28:43,666 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.07 12:28:24" (1/3) ... [2022-07-23 00:28:43,667 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@18b87e2e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.07 12:28:43, skipping insertion in model container [2022-07-23 00:28:43,667 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 12:28:26" (2/3) ... [2022-07-23 00:28:43,667 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@18b87e2e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.07 12:28:43, skipping insertion in model container [2022-07-23 00:28:43,667 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 12:28:43" (3/3) ... [2022-07-23 00:28:43,669 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-08_1a-drivers--iio--accel--kxcjk-1013.ko-entry_point.cil.out.i [2022-07-23 00:28:43,681 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-23 00:28:43,682 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-23 00:28:43,761 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-23 00:28:43,767 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@3c111504, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@585fb496 [2022-07-23 00:28:43,768 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-23 00:28:43,777 INFO L276 IsEmpty]: Start isEmpty. Operand has 1256 states, 951 states have (on average 1.4542586750788644) internal successors, (1383), 971 states have internal predecessors, (1383), 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) [2022-07-23 00:28:43,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 326 [2022-07-23 00:28:43,813 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 00:28:43,814 INFO L195 NwaCegarLoop]: 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] [2022-07-23 00:28:43,815 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 00:28:43,820 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 00:28:43,821 INFO L85 PathProgramCache]: Analyzing trace with hash -276114238, now seen corresponding path program 1 times [2022-07-23 00:28:43,829 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 00:28:43,830 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [681488073] [2022-07-23 00:28:43,830 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 00:28:43,831 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 00:28:44,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:28:44,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 00:28:44,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:28:44,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:28:44,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:28:44,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:28:44,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:28:44,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-23 00:28:44,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:28:44,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:28:44,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:28:44,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:28:44,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:28:44,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-23 00:28:44,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:28:44,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:28:44,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:28:44,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:28:44,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:28:44,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-23 00:28:44,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:28:44,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:28:44,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:28:44,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:28:44,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:28:44,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-23 00:28:44,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:28:44,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:28:44,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:28:44,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:28:44,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:28:44,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-23 00:28:44,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:28:44,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:28:44,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:28:44,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:28:44,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:28:44,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-23 00:28:44,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:28:44,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:28:44,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:28:44,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:28:44,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:28:45,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-23 00:28:45,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:28:45,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:28:45,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:28:45,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:28:45,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:28:45,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-23 00:28:45,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:28:45,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:28:45,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:28:45,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:28:45,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:28:45,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-23 00:28:45,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:28:45,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:28:45,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:28:45,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:28:45,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:28:45,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-07-23 00:28:45,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:28:45,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:28:45,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:28:45,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:28:45,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:28:45,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-23 00:28:45,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:28:45,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2022-07-23 00:28:45,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:28:45,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2022-07-23 00:28:45,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:28:45,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2022-07-23 00:28:45,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:28:45,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2022-07-23 00:28:45,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:28:45,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-07-23 00:28:45,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:28:45,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2022-07-23 00:28:45,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:28:45,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2022-07-23 00:28:45,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:28:45,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2022-07-23 00:28:45,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:28:45,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2022-07-23 00:28:45,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:28:45,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2022-07-23 00:28:45,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:28:45,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-23 00:28:45,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:28:45,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2022-07-23 00:28:45,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:28:45,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2022-07-23 00:28:45,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:28:45,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2022-07-23 00:28:45,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:28:45,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2022-07-23 00:28:45,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:28:45,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 291 [2022-07-23 00:28:45,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:28:45,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2022-07-23 00:28:45,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:28:45,377 INFO L134 CoverageAnalysis]: Checked inductivity of 1535 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1535 trivial. 0 not checked. [2022-07-23 00:28:45,378 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 00:28:45,378 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [681488073] [2022-07-23 00:28:45,379 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [681488073] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 00:28:45,382 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 00:28:45,382 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-23 00:28:45,384 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1037708517] [2022-07-23 00:28:45,384 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 00:28:45,391 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-23 00:28:45,391 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 00:28:45,416 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-23 00:28:45,417 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-23 00:28:45,421 INFO L87 Difference]: Start difference. First operand has 1256 states, 951 states have (on average 1.4542586750788644) internal successors, (1383), 971 states have internal predecessors, (1383), 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) [2022-07-23 00:28:47,487 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 00:28:49,500 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 00:28:52,720 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 00:28:52,720 INFO L93 Difference]: Finished difference Result 2661 states and 4082 transitions. [2022-07-23 00:28:52,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-23 00:28:52,723 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 [2022-07-23 00:28:52,724 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 00:28:52,748 INFO L225 Difference]: With dead ends: 2661 [2022-07-23 00:28:52,748 INFO L226 Difference]: Without dead ends: 1390 [2022-07-23 00:28:52,764 INFO L412 NwaCegarLoop]: 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 [2022-07-23 00:28:52,767 INFO L413 NwaCegarLoop]: 1730 mSDtfsCounter, 844 mSDsluCounter, 2673 mSDsCounter, 0 mSdLazyCounter, 1103 mSolverCounterSat, 675 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 861 SdHoareTripleChecker+Valid, 4403 SdHoareTripleChecker+Invalid, 1780 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 675 IncrementalHoareTripleChecker+Valid, 1103 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.0s IncrementalHoareTripleChecker+Time [2022-07-23 00:28:52,768 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [861 Valid, 4403 Invalid, 1780 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [675 Valid, 1103 Invalid, 2 Unknown, 0 Unchecked, 7.0s Time] [2022-07-23 00:28:52,785 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1390 states. [2022-07-23 00:28:52,874 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1390 to 1236. [2022-07-23 00:28:52,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1236 states, 946 states have (on average 1.3953488372093024) internal successors, (1320), 951 states have internal predecessors, (1320), 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) [2022-07-23 00:28:52,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1236 states to 1236 states and 1797 transitions. [2022-07-23 00:28:52,893 INFO L78 Accepts]: Start accepts. Automaton has 1236 states and 1797 transitions. Word has length 325 [2022-07-23 00:28:52,895 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 00:28:52,895 INFO L495 AbstractCegarLoop]: Abstraction has 1236 states and 1797 transitions. [2022-07-23 00:28:52,896 INFO L496 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) [2022-07-23 00:28:52,896 INFO L276 IsEmpty]: Start isEmpty. Operand 1236 states and 1797 transitions. [2022-07-23 00:28:52,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 326 [2022-07-23 00:28:52,904 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 00:28:52,905 INFO L195 NwaCegarLoop]: 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] [2022-07-23 00:28:52,905 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-23 00:28:52,906 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 00:28:52,906 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 00:28:52,906 INFO L85 PathProgramCache]: Analyzing trace with hash 234255724, now seen corresponding path program 1 times [2022-07-23 00:28:52,906 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 00:28:52,907 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1436250883] [2022-07-23 00:28:52,907 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 00:28:52,909 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 00:28:53,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:28:53,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 00:28:53,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:28:53,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:28:53,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:28:53,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:28:53,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:28:53,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-23 00:28:53,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:28:53,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:28:53,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:28:53,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:28:53,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:28:53,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-23 00:28:53,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:28:53,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:28:53,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:28:53,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:28:53,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:28:53,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-23 00:28:53,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:28:53,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:28:53,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:28:53,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:28:53,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:28:53,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-23 00:28:53,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:28:53,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:28:53,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:28:53,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:28:53,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:28:53,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-23 00:28:53,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:28:53,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:28:53,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:28:53,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:28:53,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:28:53,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-23 00:28:53,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:28:53,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:28:53,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:28:53,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:28:53,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:28:53,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-23 00:28:53,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:28:53,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:28:53,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:28:53,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:28:53,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:28:53,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-23 00:28:53,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:28:53,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:28:53,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:28:53,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:28:53,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:28:53,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-23 00:28:53,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:28:53,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:28:53,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:28:53,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:28:53,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:28:53,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-07-23 00:28:53,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:28:53,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:28:53,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:28:53,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:28:53,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:28:53,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-23 00:28:53,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:28:53,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2022-07-23 00:28:53,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:28:53,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2022-07-23 00:28:53,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:28:53,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2022-07-23 00:28:53,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:28:53,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2022-07-23 00:28:53,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:28:53,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-07-23 00:28:53,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:28:53,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2022-07-23 00:28:53,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:28:53,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2022-07-23 00:28:53,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:28:53,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2022-07-23 00:28:53,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:28:53,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2022-07-23 00:28:53,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:28:53,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2022-07-23 00:28:53,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:28:53,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-23 00:28:53,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:28:53,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2022-07-23 00:28:53,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:28:53,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2022-07-23 00:28:53,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:28:53,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2022-07-23 00:28:53,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:28:53,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2022-07-23 00:28:53,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:28:53,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 291 [2022-07-23 00:28:53,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:28:53,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2022-07-23 00:28:53,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:28:53,933 INFO L134 CoverageAnalysis]: Checked inductivity of 1535 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1535 trivial. 0 not checked. [2022-07-23 00:28:53,933 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 00:28:53,933 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1436250883] [2022-07-23 00:28:53,934 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1436250883] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 00:28:53,934 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 00:28:53,934 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-23 00:28:53,934 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [951802348] [2022-07-23 00:28:53,934 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 00:28:53,936 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-23 00:28:53,936 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 00:28:53,936 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-23 00:28:53,937 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-07-23 00:28:53,937 INFO L87 Difference]: Start difference. First operand 1236 states and 1797 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) [2022-07-23 00:28:55,975 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 00:28:57,985 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 00:29:00,016 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 00:29:02,020 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 00:29:08,208 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 00:29:08,211 INFO L93 Difference]: Finished difference Result 3856 states and 5688 transitions. [2022-07-23 00:29:08,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-23 00:29:08,216 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 [2022-07-23 00:29:08,219 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 00:29:08,241 INFO L225 Difference]: With dead ends: 3856 [2022-07-23 00:29:08,241 INFO L226 Difference]: Without dead ends: 2686 [2022-07-23 00:29:08,248 INFO L412 NwaCegarLoop]: 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 [2022-07-23 00:29:08,249 INFO L413 NwaCegarLoop]: 1854 mSDtfsCounter, 3216 mSDsluCounter, 3840 mSDsCounter, 0 mSdLazyCounter, 2334 mSolverCounterSat, 1396 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3377 SdHoareTripleChecker+Valid, 5694 SdHoareTripleChecker+Invalid, 3734 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1396 IncrementalHoareTripleChecker+Valid, 2334 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.8s IncrementalHoareTripleChecker+Time [2022-07-23 00:29:08,250 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3377 Valid, 5694 Invalid, 3734 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1396 Valid, 2334 Invalid, 4 Unknown, 0 Unchecked, 13.8s Time] [2022-07-23 00:29:08,258 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2686 states. [2022-07-23 00:29:08,365 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2686 to 2382. [2022-07-23 00:29:08,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2382 states, 1839 states have (on average 1.4040239260467646) internal successors, (2582), 1849 states have internal predecessors, (2582), 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) [2022-07-23 00:29:08,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2382 states to 2382 states and 3467 transitions. [2022-07-23 00:29:08,383 INFO L78 Accepts]: Start accepts. Automaton has 2382 states and 3467 transitions. Word has length 325 [2022-07-23 00:29:08,387 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 00:29:08,387 INFO L495 AbstractCegarLoop]: Abstraction has 2382 states and 3467 transitions. [2022-07-23 00:29:08,387 INFO L496 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) [2022-07-23 00:29:08,388 INFO L276 IsEmpty]: Start isEmpty. Operand 2382 states and 3467 transitions. [2022-07-23 00:29:08,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 329 [2022-07-23 00:29:08,396 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 00:29:08,396 INFO L195 NwaCegarLoop]: 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] [2022-07-23 00:29:08,396 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-23 00:29:08,397 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 00:29:08,397 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 00:29:08,397 INFO L85 PathProgramCache]: Analyzing trace with hash -1609971855, now seen corresponding path program 1 times [2022-07-23 00:29:08,398 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 00:29:08,398 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [589128705] [2022-07-23 00:29:08,398 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 00:29:08,398 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 00:29:08,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:29:08,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 00:29:08,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:29:08,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:29:08,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:29:08,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:29:08,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:29:08,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-23 00:29:08,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:29:08,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:29:08,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:29:08,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:29:08,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:29:08,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-23 00:29:08,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:29:08,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:29:08,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:29:08,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:29:08,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:29:08,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-23 00:29:08,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:29:08,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:29:08,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:29:08,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:29:08,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:29:08,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-23 00:29:08,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:29:08,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:29:08,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:29:08,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:29:08,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:29:08,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-23 00:29:08,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:29:08,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:29:08,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:29:09,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:29:09,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:29:09,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-23 00:29:09,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:29:09,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:29:09,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:29:09,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:29:09,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:29:09,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-23 00:29:09,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:29:09,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:29:09,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:29:09,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:29:09,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:29:09,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-23 00:29:09,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:29:09,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:29:09,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:29:09,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:29:09,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:29:09,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-23 00:29:09,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:29:09,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:29:09,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:29:09,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:29:09,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:29:09,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-07-23 00:29:09,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:29:09,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:29:09,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:29:09,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:29:09,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:29:09,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-23 00:29:09,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:29:09,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2022-07-23 00:29:09,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:29:09,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2022-07-23 00:29:09,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:29:09,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2022-07-23 00:29:09,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:29:09,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2022-07-23 00:29:09,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:29:09,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-07-23 00:29:09,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:29:09,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2022-07-23 00:29:09,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:29:09,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2022-07-23 00:29:09,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:29:09,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2022-07-23 00:29:09,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:29:09,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2022-07-23 00:29:09,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:29:09,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2022-07-23 00:29:09,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:29:09,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-23 00:29:09,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:29:09,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2022-07-23 00:29:09,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:29:09,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2022-07-23 00:29:09,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:29:09,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2022-07-23 00:29:09,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:29:09,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2022-07-23 00:29:09,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:29:09,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 291 [2022-07-23 00:29:09,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:29:09,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2022-07-23 00:29:09,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:29:09,372 INFO L134 CoverageAnalysis]: Checked inductivity of 1535 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1535 trivial. 0 not checked. [2022-07-23 00:29:09,373 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 00:29:09,373 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [589128705] [2022-07-23 00:29:09,373 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [589128705] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 00:29:09,374 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 00:29:09,375 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-23 00:29:09,375 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [356926550] [2022-07-23 00:29:09,375 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 00:29:09,376 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-23 00:29:09,376 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 00:29:09,376 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-23 00:29:09,377 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-07-23 00:29:09,377 INFO L87 Difference]: Start difference. First operand 2382 states and 3467 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) [2022-07-23 00:29:11,413 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 00:29:13,439 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 00:29:15,442 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 00:29:20,321 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 00:29:23,254 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 00:29:23,255 INFO L93 Difference]: Finished difference Result 5302 states and 7849 transitions. [2022-07-23 00:29:23,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-23 00:29:23,261 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 [2022-07-23 00:29:23,261 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 00:29:23,294 INFO L225 Difference]: With dead ends: 5302 [2022-07-23 00:29:23,294 INFO L226 Difference]: Without dead ends: 5295 [2022-07-23 00:29:23,298 INFO L412 NwaCegarLoop]: 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 [2022-07-23 00:29:23,299 INFO L413 NwaCegarLoop]: 1860 mSDtfsCounter, 3282 mSDsluCounter, 3813 mSDsCounter, 0 mSdLazyCounter, 2296 mSolverCounterSat, 1410 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3443 SdHoareTripleChecker+Valid, 5673 SdHoareTripleChecker+Invalid, 3710 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1410 IncrementalHoareTripleChecker+Valid, 2296 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.5s IncrementalHoareTripleChecker+Time [2022-07-23 00:29:23,300 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3443 Valid, 5673 Invalid, 3710 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1410 Valid, 2296 Invalid, 4 Unknown, 0 Unchecked, 13.5s Time] [2022-07-23 00:29:23,307 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5295 states. [2022-07-23 00:29:23,476 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5295 to 4691. [2022-07-23 00:29:23,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4691 states, 3637 states have (on average 1.407478691229035) internal successors, (5119), 3657 states have internal predecessors, (5119), 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) [2022-07-23 00:29:23,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4691 states to 4691 states and 6830 transitions. [2022-07-23 00:29:23,521 INFO L78 Accepts]: Start accepts. Automaton has 4691 states and 6830 transitions. Word has length 328 [2022-07-23 00:29:23,523 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 00:29:23,523 INFO L495 AbstractCegarLoop]: Abstraction has 4691 states and 6830 transitions. [2022-07-23 00:29:23,523 INFO L496 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) [2022-07-23 00:29:23,524 INFO L276 IsEmpty]: Start isEmpty. Operand 4691 states and 6830 transitions. [2022-07-23 00:29:23,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 435 [2022-07-23 00:29:23,542 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 00:29:23,542 INFO L195 NwaCegarLoop]: 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] [2022-07-23 00:29:23,542 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-23 00:29:23,543 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 00:29:23,543 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 00:29:23,544 INFO L85 PathProgramCache]: Analyzing trace with hash -1784912224, now seen corresponding path program 1 times [2022-07-23 00:29:23,544 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 00:29:23,544 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1898663553] [2022-07-23 00:29:23,544 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 00:29:23,545 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 00:29:23,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:29:24,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 00:29:24,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:29:24,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:29:24,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:29:24,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:29:24,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:29:24,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-23 00:29:24,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:29:24,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:29:24,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:29:24,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:29:24,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:29:24,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-23 00:29:24,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:29:24,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:29:24,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:29:24,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:29:24,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:29:24,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-23 00:29:24,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:29:24,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:29:24,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:29:24,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:29:24,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:29:24,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-23 00:29:24,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:29:24,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:29:24,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:29:24,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:29:24,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:29:24,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-23 00:29:24,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:29:24,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:29:24,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:29:24,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:29:24,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:29:24,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-23 00:29:24,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:29:24,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:29:24,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:29:24,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:29:24,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:29:24,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-23 00:29:24,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:29:24,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:29:24,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:29:24,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:29:24,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:29:24,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-23 00:29:24,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:29:24,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:29:24,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:29:24,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:29:24,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:29:24,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-23 00:29:24,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:29:24,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:29:24,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:29:24,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:29:24,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:29:24,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-07-23 00:29:24,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:29:24,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:29:24,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:29:24,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:29:24,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:29:24,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-23 00:29:24,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:29:24,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2022-07-23 00:29:24,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:29:24,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2022-07-23 00:29:24,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:29:24,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2022-07-23 00:29:24,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:29:24,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2022-07-23 00:29:24,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:29:24,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-07-23 00:29:24,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:29:24,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2022-07-23 00:29:24,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:29:24,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2022-07-23 00:29:24,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:29:24,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2022-07-23 00:29:24,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:29:24,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2022-07-23 00:29:24,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:29:24,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2022-07-23 00:29:24,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:29:24,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-23 00:29:24,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:29:24,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2022-07-23 00:29:24,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:29:24,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2022-07-23 00:29:24,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:29:24,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2022-07-23 00:29:24,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:29:24,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2022-07-23 00:29:24,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:29:24,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 291 [2022-07-23 00:29:24,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:29:24,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2022-07-23 00:29:24,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:29:24,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 321 [2022-07-23 00:29:24,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:29:24,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2022-07-23 00:29:24,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:29:24,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 334 [2022-07-23 00:29:24,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:29:24,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 343 [2022-07-23 00:29:24,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:29:24,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2022-07-23 00:29:24,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:29:24,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 360 [2022-07-23 00:29:24,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:29:24,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 372 [2022-07-23 00:29:24,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:29:24,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:29:24,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:29:24,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 381 [2022-07-23 00:29:24,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:29:24,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 392 [2022-07-23 00:29:24,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:29:24,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 398 [2022-07-23 00:29:24,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:29:24,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:29:24,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:29:24,666 INFO L134 CoverageAnalysis]: Checked inductivity of 1556 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 1545 trivial. 0 not checked. [2022-07-23 00:29:24,666 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 00:29:24,666 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1898663553] [2022-07-23 00:29:24,667 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1898663553] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 00:29:24,667 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 00:29:24,667 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-23 00:29:24,667 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [238412649] [2022-07-23 00:29:24,667 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 00:29:24,668 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-07-23 00:29:24,668 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 00:29:24,669 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-07-23 00:29:24,670 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2022-07-23 00:29:24,670 INFO L87 Difference]: Start difference. First operand 4691 states and 6830 transitions. Second operand has 8 states, 8 states have (on average 17.75) internal successors, (142), 3 states have internal predecessors, (142), 2 states have call successors, (44), 7 states have call predecessors, (44), 1 states have return successors, (43), 2 states have call predecessors, (43), 2 states have call successors, (43) [2022-07-23 00:29:26,713 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 00:29:28,734 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 00:29:31,864 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 00:29:34,286 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 00:29:39,395 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 00:29:39,395 INFO L93 Difference]: Finished difference Result 15453 states and 23130 transitions. [2022-07-23 00:29:39,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-23 00:29:39,396 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 17.75) internal successors, (142), 3 states have internal predecessors, (142), 2 states have call successors, (44), 7 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 [2022-07-23 00:29:39,397 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 00:29:39,458 INFO L225 Difference]: With dead ends: 15453 [2022-07-23 00:29:39,458 INFO L226 Difference]: Without dead ends: 10828 [2022-07-23 00:29:39,482 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 132 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=92, Invalid=214, Unknown=0, NotChecked=0, Total=306 [2022-07-23 00:29:39,483 INFO L413 NwaCegarLoop]: 1769 mSDtfsCounter, 5757 mSDsluCounter, 3590 mSDsCounter, 0 mSdLazyCounter, 2519 mSolverCounterSat, 3129 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5965 SdHoareTripleChecker+Valid, 5359 SdHoareTripleChecker+Invalid, 5652 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3129 IncrementalHoareTripleChecker+Valid, 2519 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.1s IncrementalHoareTripleChecker+Time [2022-07-23 00:29:39,484 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5965 Valid, 5359 Invalid, 5652 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3129 Valid, 2519 Invalid, 4 Unknown, 0 Unchecked, 14.1s Time] [2022-07-23 00:29:39,496 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10828 states. [2022-07-23 00:29:39,878 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10828 to 8249. [2022-07-23 00:29:39,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8249 states, 6442 states have (on average 1.4244023595156783) internal successors, (9176), 6474 states have internal predecessors, (9176), 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) [2022-07-23 00:29:39,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8249 states to 8249 states and 12123 transitions. [2022-07-23 00:29:39,939 INFO L78 Accepts]: Start accepts. Automaton has 8249 states and 12123 transitions. Word has length 434 [2022-07-23 00:29:39,942 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 00:29:39,942 INFO L495 AbstractCegarLoop]: Abstraction has 8249 states and 12123 transitions. [2022-07-23 00:29:39,943 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 17.75) internal successors, (142), 3 states have internal predecessors, (142), 2 states have call successors, (44), 7 states have call predecessors, (44), 1 states have return successors, (43), 2 states have call predecessors, (43), 2 states have call successors, (43) [2022-07-23 00:29:39,943 INFO L276 IsEmpty]: Start isEmpty. Operand 8249 states and 12123 transitions. [2022-07-23 00:29:39,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 535 [2022-07-23 00:29:39,971 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 00:29:39,972 INFO L195 NwaCegarLoop]: 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] [2022-07-23 00:29:39,972 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-07-23 00:29:39,973 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 00:29:39,973 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 00:29:39,973 INFO L85 PathProgramCache]: Analyzing trace with hash 1780529031, now seen corresponding path program 1 times [2022-07-23 00:29:39,973 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 00:29:39,973 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1614236329] [2022-07-23 00:29:39,974 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 00:29:39,974 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 00:29:40,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:29:40,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 00:29:40,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:29:40,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:29:40,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:29:40,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:29:40,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:29:40,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-23 00:29:40,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:29:40,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:29:40,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:29:40,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:29:40,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:29:40,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-23 00:29:40,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:29:40,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:29:40,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:29:40,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:29:40,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:29:40,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-23 00:29:40,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:29:40,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:29:40,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:29:40,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:29:40,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:29:40,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-23 00:29:40,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:29:40,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:29:40,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:29:40,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:29:40,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:29:40,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-23 00:29:40,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:29:40,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:29:40,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:29:40,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:29:40,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:29:40,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-23 00:29:40,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:29:40,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:29:40,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:29:40,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:29:40,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:29:40,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-23 00:29:40,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:29:40,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:29:40,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:29:40,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:29:40,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:29:40,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-23 00:29:40,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:29:40,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:29:40,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:29:40,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:29:40,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:29:40,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-23 00:29:40,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:29:40,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:29:40,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:29:40,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:29:40,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:29:40,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-07-23 00:29:40,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:29:40,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:29:40,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:29:40,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:29:40,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:29:40,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-23 00:29:40,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:29:40,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2022-07-23 00:29:40,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:29:40,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2022-07-23 00:29:40,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:29:40,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2022-07-23 00:29:40,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:29:40,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2022-07-23 00:29:40,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:29:40,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-07-23 00:29:40,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:29:40,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2022-07-23 00:29:40,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:29:40,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2022-07-23 00:29:40,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:29:40,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2022-07-23 00:29:40,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:29:40,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2022-07-23 00:29:40,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:29:40,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2022-07-23 00:29:40,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:29:40,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-23 00:29:40,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:29:40,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2022-07-23 00:29:40,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:29:40,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2022-07-23 00:29:40,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:29:40,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2022-07-23 00:29:40,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:29:40,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2022-07-23 00:29:40,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:29:40,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 291 [2022-07-23 00:29:40,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:29:40,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2022-07-23 00:29:40,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:29:40,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 323 [2022-07-23 00:29:40,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:29:40,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:29:40,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:29:40,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:29:40,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:29:40,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2022-07-23 00:29:40,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:29:40,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:29:40,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:29:40,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:29:40,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:29:40,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2022-07-23 00:29:40,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:29:40,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:29:40,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:29:40,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:29:40,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:29:40,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 374 [2022-07-23 00:29:40,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:29:40,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:29:40,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:29:40,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:29:40,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:29:40,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 390 [2022-07-23 00:29:41,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:29:41,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:29:41,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:29:41,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:29:41,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:29:41,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 424 [2022-07-23 00:29:41,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:29:41,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 432 [2022-07-23 00:29:41,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:29:41,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 437 [2022-07-23 00:29:41,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:29:41,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 446 [2022-07-23 00:29:41,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:29:41,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 458 [2022-07-23 00:29:41,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:29:41,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 463 [2022-07-23 00:29:41,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:29:41,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 475 [2022-07-23 00:29:41,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:29:41,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:29:41,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:29:41,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 484 [2022-07-23 00:29:41,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:29:41,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 495 [2022-07-23 00:29:41,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:29:41,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 501 [2022-07-23 00:29:41,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:29:41,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:29:41,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:29:41,221 INFO L134 CoverageAnalysis]: Checked inductivity of 2490 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 2466 trivial. 0 not checked. [2022-07-23 00:29:41,223 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 00:29:41,223 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1614236329] [2022-07-23 00:29:41,223 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1614236329] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 00:29:41,223 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 00:29:41,223 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-07-23 00:29:41,224 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [542313939] [2022-07-23 00:29:41,224 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 00:29:41,225 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-07-23 00:29:41,225 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 00:29:41,226 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-07-23 00:29:41,226 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2022-07-23 00:29:41,226 INFO L87 Difference]: Start difference. First operand 8249 states and 12123 transitions. Second operand has 10 states, 10 states have (on average 15.7) internal successors, (157), 5 states have internal predecessors, (157), 3 states have call successors, (49), 7 states have call predecessors, (49), 1 states have return successors, (48), 2 states have call predecessors, (48), 2 states have call successors, (48) [2022-07-23 00:29:43,263 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 00:29:45,284 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 00:29:47,290 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 00:29:54,223 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 00:30:02,015 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 00:30:02,015 INFO L93 Difference]: Finished difference Result 36521 states and 56467 transitions. [2022-07-23 00:30:02,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-07-23 00:30:02,016 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 15.7) internal successors, (157), 5 states have internal predecessors, (157), 3 states have call successors, (49), 7 states have call predecessors, (49), 1 states have return successors, (48), 2 states have call predecessors, (48), 2 states have call successors, (48) Word has length 534 [2022-07-23 00:30:02,017 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 00:30:02,173 INFO L225 Difference]: With dead ends: 36521 [2022-07-23 00:30:02,174 INFO L226 Difference]: Without dead ends: 28352 [2022-07-23 00:30:02,212 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 186 GetRequests, 164 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 97 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=116, Invalid=436, Unknown=0, NotChecked=0, Total=552 [2022-07-23 00:30:02,216 INFO L413 NwaCegarLoop]: 3851 mSDtfsCounter, 5118 mSDsluCounter, 15717 mSDsCounter, 0 mSdLazyCounter, 9182 mSolverCounterSat, 2584 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5329 SdHoareTripleChecker+Valid, 19568 SdHoareTripleChecker+Invalid, 11770 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2584 IncrementalHoareTripleChecker+Valid, 9182 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.8s IncrementalHoareTripleChecker+Time [2022-07-23 00:30:02,217 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5329 Valid, 19568 Invalid, 11770 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2584 Valid, 9182 Invalid, 4 Unknown, 0 Unchecked, 19.8s Time] [2022-07-23 00:30:02,251 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28352 states. [2022-07-23 00:30:02,936 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28352 to 8257. [2022-07-23 00:30:02,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8257 states, 6450 states have (on average 1.423875968992248) internal successors, (9184), 6482 states have internal predecessors, (9184), 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) [2022-07-23 00:30:02,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8257 states to 8257 states and 12131 transitions. [2022-07-23 00:30:02,986 INFO L78 Accepts]: Start accepts. Automaton has 8257 states and 12131 transitions. Word has length 534 [2022-07-23 00:30:02,987 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 00:30:02,987 INFO L495 AbstractCegarLoop]: Abstraction has 8257 states and 12131 transitions. [2022-07-23 00:30:02,987 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 15.7) internal successors, (157), 5 states have internal predecessors, (157), 3 states have call successors, (49), 7 states have call predecessors, (49), 1 states have return successors, (48), 2 states have call predecessors, (48), 2 states have call successors, (48) [2022-07-23 00:30:02,987 INFO L276 IsEmpty]: Start isEmpty. Operand 8257 states and 12131 transitions. [2022-07-23 00:30:03,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 535 [2022-07-23 00:30:03,011 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 00:30:03,011 INFO L195 NwaCegarLoop]: 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] [2022-07-23 00:30:03,011 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-07-23 00:30:03,011 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 00:30:03,012 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 00:30:03,012 INFO L85 PathProgramCache]: Analyzing trace with hash -2091736439, now seen corresponding path program 1 times [2022-07-23 00:30:03,012 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 00:30:03,012 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [591162810] [2022-07-23 00:30:03,013 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 00:30:03,013 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 00:30:03,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:03,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 00:30:03,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:03,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:30:03,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:03,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:30:03,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:03,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-23 00:30:03,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:03,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:30:03,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:03,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:30:03,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:03,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-23 00:30:03,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:03,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:30:03,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:03,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:30:03,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:03,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-23 00:30:03,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:03,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:30:03,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:03,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:30:03,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:03,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-23 00:30:03,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:03,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:30:03,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:03,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:30:03,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:03,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-23 00:30:03,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:03,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:30:03,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:03,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:30:03,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:03,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-23 00:30:03,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:03,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:30:03,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:03,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:30:03,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:03,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-23 00:30:03,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:03,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:30:03,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:03,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:30:03,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:03,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-23 00:30:03,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:03,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:30:03,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:03,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:30:03,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:03,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-23 00:30:03,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:03,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:30:03,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:03,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:30:03,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:03,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-07-23 00:30:03,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:03,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:30:03,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:03,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:30:03,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:03,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-23 00:30:03,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:03,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2022-07-23 00:30:03,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:03,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2022-07-23 00:30:03,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:03,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2022-07-23 00:30:03,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:03,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2022-07-23 00:30:03,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:03,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-07-23 00:30:03,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:03,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2022-07-23 00:30:03,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:03,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2022-07-23 00:30:03,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:03,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2022-07-23 00:30:03,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:03,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2022-07-23 00:30:03,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:03,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2022-07-23 00:30:03,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:03,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-23 00:30:03,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:03,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2022-07-23 00:30:03,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:03,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2022-07-23 00:30:03,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:03,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2022-07-23 00:30:03,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:03,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2022-07-23 00:30:03,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:03,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 291 [2022-07-23 00:30:04,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:04,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2022-07-23 00:30:04,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:04,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 323 [2022-07-23 00:30:04,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:04,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:30:04,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:04,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:30:04,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:04,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2022-07-23 00:30:04,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:04,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:30:04,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:04,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:30:04,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:04,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2022-07-23 00:30:04,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:04,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:30:04,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:04,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:30:04,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:04,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 374 [2022-07-23 00:30:04,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:04,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:30:04,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:04,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:30:04,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:04,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 390 [2022-07-23 00:30:04,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:04,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:30:04,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:04,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:30:04,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:04,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 424 [2022-07-23 00:30:04,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:04,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 432 [2022-07-23 00:30:04,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:04,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 437 [2022-07-23 00:30:04,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:04,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 446 [2022-07-23 00:30:04,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:04,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 458 [2022-07-23 00:30:04,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:04,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 463 [2022-07-23 00:30:04,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:04,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 475 [2022-07-23 00:30:04,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:04,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:30:04,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:04,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 484 [2022-07-23 00:30:04,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:04,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 495 [2022-07-23 00:30:04,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:04,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 501 [2022-07-23 00:30:04,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:04,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:30:04,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:04,281 INFO L134 CoverageAnalysis]: Checked inductivity of 2490 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 2466 trivial. 0 not checked. [2022-07-23 00:30:04,281 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 00:30:04,281 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [591162810] [2022-07-23 00:30:04,281 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [591162810] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 00:30:04,282 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 00:30:04,282 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-07-23 00:30:04,282 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [573670465] [2022-07-23 00:30:04,282 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 00:30:04,284 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-23 00:30:04,284 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 00:30:04,284 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-23 00:30:04,284 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2022-07-23 00:30:04,285 INFO L87 Difference]: Start difference. First operand 8257 states and 12131 transitions. Second operand has 9 states, 9 states have (on average 17.444444444444443) internal successors, (157), 4 states have internal predecessors, (157), 2 states have call successors, (49), 7 states have call predecessors, (49), 1 states have return successors, (48), 2 states have call predecessors, (48), 2 states have call successors, (48) [2022-07-23 00:30:06,322 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 00:30:08,337 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 00:30:10,353 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 00:30:14,242 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 00:30:22,530 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 00:30:22,531 INFO L93 Difference]: Finished difference Result 29395 states and 46426 transitions. [2022-07-23 00:30:22,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-07-23 00:30:22,531 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 17.444444444444443) internal successors, (157), 4 states have internal predecessors, (157), 2 states have call successors, (49), 7 states have call predecessors, (49), 1 states have return successors, (48), 2 states have call predecessors, (48), 2 states have call successors, (48) Word has length 534 [2022-07-23 00:30:22,532 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 00:30:22,651 INFO L225 Difference]: With dead ends: 29395 [2022-07-23 00:30:22,652 INFO L226 Difference]: Without dead ends: 21218 [2022-07-23 00:30:22,691 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 170 GetRequests, 158 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=47, Invalid=135, Unknown=0, NotChecked=0, Total=182 [2022-07-23 00:30:22,693 INFO L413 NwaCegarLoop]: 2659 mSDtfsCounter, 3947 mSDsluCounter, 10393 mSDsCounter, 0 mSdLazyCounter, 5410 mSolverCounterSat, 1442 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4247 SdHoareTripleChecker+Valid, 13052 SdHoareTripleChecker+Invalid, 6856 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1442 IncrementalHoareTripleChecker+Valid, 5410 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.3s IncrementalHoareTripleChecker+Time [2022-07-23 00:30:22,693 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4247 Valid, 13052 Invalid, 6856 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1442 Valid, 5410 Invalid, 4 Unknown, 0 Unchecked, 17.3s Time] [2022-07-23 00:30:22,719 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21218 states. [2022-07-23 00:30:23,466 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21218 to 8265. [2022-07-23 00:30:23,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8265 states, 6458 states have (on average 1.4233508826262) internal successors, (9192), 6490 states have internal predecessors, (9192), 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) [2022-07-23 00:30:23,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8265 states to 8265 states and 12139 transitions. [2022-07-23 00:30:23,512 INFO L78 Accepts]: Start accepts. Automaton has 8265 states and 12139 transitions. Word has length 534 [2022-07-23 00:30:23,513 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 00:30:23,513 INFO L495 AbstractCegarLoop]: Abstraction has 8265 states and 12139 transitions. [2022-07-23 00:30:23,513 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 17.444444444444443) internal successors, (157), 4 states have internal predecessors, (157), 2 states have call successors, (49), 7 states have call predecessors, (49), 1 states have return successors, (48), 2 states have call predecessors, (48), 2 states have call successors, (48) [2022-07-23 00:30:23,514 INFO L276 IsEmpty]: Start isEmpty. Operand 8265 states and 12139 transitions. [2022-07-23 00:30:23,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 615 [2022-07-23 00:30:23,541 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 00:30:23,542 INFO L195 NwaCegarLoop]: 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, 1, 1, 1, 1, 1, 1] [2022-07-23 00:30:23,542 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-07-23 00:30:23,542 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 00:30:23,542 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 00:30:23,543 INFO L85 PathProgramCache]: Analyzing trace with hash 1013197848, now seen corresponding path program 1 times [2022-07-23 00:30:23,543 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 00:30:23,543 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [965695590] [2022-07-23 00:30:23,543 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 00:30:23,543 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 00:30:23,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:24,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 00:30:24,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:24,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:30:24,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:24,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:30:24,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:24,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-23 00:30:24,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:24,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:30:24,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:24,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:30:24,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:24,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-23 00:30:24,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:24,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:30:24,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:24,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:30:24,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:24,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-23 00:30:24,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:24,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:30:24,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:24,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:30:24,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:24,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-23 00:30:24,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:24,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:30:24,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:24,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:30:24,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:24,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-23 00:30:24,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:24,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:30:24,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:24,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:30:24,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:24,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-23 00:30:24,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:24,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:30:24,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:24,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:30:24,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:24,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-23 00:30:24,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:24,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:30:24,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:24,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:30:24,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:24,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-23 00:30:24,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:24,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:30:24,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:24,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:30:24,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:24,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-23 00:30:24,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:24,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:30:24,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:24,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:30:24,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:24,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-07-23 00:30:24,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:24,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:30:24,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:24,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:30:24,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:24,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-23 00:30:24,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:24,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2022-07-23 00:30:24,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:24,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2022-07-23 00:30:24,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:24,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2022-07-23 00:30:24,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:24,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2022-07-23 00:30:24,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:24,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-07-23 00:30:24,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:24,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2022-07-23 00:30:24,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:24,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2022-07-23 00:30:24,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:24,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2022-07-23 00:30:24,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:24,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2022-07-23 00:30:24,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:24,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2022-07-23 00:30:24,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:24,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-23 00:30:24,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:24,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2022-07-23 00:30:24,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:24,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2022-07-23 00:30:24,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:24,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2022-07-23 00:30:24,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:24,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2022-07-23 00:30:24,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:24,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 291 [2022-07-23 00:30:24,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:24,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2022-07-23 00:30:24,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:24,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 323 [2022-07-23 00:30:24,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:24,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:30:24,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:24,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:30:24,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:24,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2022-07-23 00:30:24,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:24,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:30:24,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:24,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:30:24,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:24,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2022-07-23 00:30:24,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:24,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:30:24,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:24,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:30:24,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:24,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 374 [2022-07-23 00:30:24,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:24,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:30:24,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:24,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:30:24,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:24,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 390 [2022-07-23 00:30:24,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:24,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:30:24,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:24,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:30:24,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:24,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 424 [2022-07-23 00:30:24,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:24,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 432 [2022-07-23 00:30:24,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:24,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 437 [2022-07-23 00:30:24,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:24,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 446 [2022-07-23 00:30:24,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:24,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 452 [2022-07-23 00:30:24,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:24,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 458 [2022-07-23 00:30:24,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:24,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:30:24,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:24,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 470 [2022-07-23 00:30:24,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:24,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 481 [2022-07-23 00:30:24,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:24,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 487 [2022-07-23 00:30:24,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:24,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:30:24,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:24,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 499 [2022-07-23 00:30:24,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:24,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 505 [2022-07-23 00:30:24,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:24,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 514 [2022-07-23 00:30:24,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:24,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 520 [2022-07-23 00:30:24,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:24,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:30:24,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:24,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 538 [2022-07-23 00:30:24,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:24,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 543 [2022-07-23 00:30:24,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:24,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 555 [2022-07-23 00:30:24,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:24,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:30:24,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:24,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 564 [2022-07-23 00:30:24,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:24,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 575 [2022-07-23 00:30:24,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:24,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 581 [2022-07-23 00:30:24,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:24,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:30:24,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:24,956 INFO L134 CoverageAnalysis]: Checked inductivity of 2592 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 2564 trivial. 0 not checked. [2022-07-23 00:30:24,956 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 00:30:24,957 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [965695590] [2022-07-23 00:30:24,957 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [965695590] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-23 00:30:24,957 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1821160460] [2022-07-23 00:30:24,957 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 00:30:24,957 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-23 00:30:24,958 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 00:30:24,963 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) [2022-07-23 00:30:24,964 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-07-23 00:30:26,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:26,387 INFO L263 TraceCheckSpWp]: Trace formula consists of 6330 conjuncts, 5 conjunts are in the unsatisfiable core [2022-07-23 00:30:26,421 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 00:30:26,514 INFO L134 CoverageAnalysis]: Checked inductivity of 2592 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 2513 trivial. 0 not checked. [2022-07-23 00:30:26,514 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 00:30:26,515 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1821160460] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 00:30:26,515 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-23 00:30:26,515 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [11] total 11 [2022-07-23 00:30:26,515 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1868257857] [2022-07-23 00:30:26,515 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 00:30:26,516 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-23 00:30:26,516 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 00:30:26,517 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-23 00:30:26,517 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2022-07-23 00:30:26,517 INFO L87 Difference]: Start difference. First operand 8265 states and 12139 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, (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) [2022-07-23 00:30:27,111 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 00:30:27,111 INFO L93 Difference]: Finished difference Result 19997 states and 30012 transitions. [2022-07-23 00:30:27,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-23 00:30:27,112 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, (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 614 [2022-07-23 00:30:27,113 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 00:30:27,159 INFO L225 Difference]: With dead ends: 19997 [2022-07-23 00:30:27,159 INFO L226 Difference]: Without dead ends: 11812 [2022-07-23 00:30:27,188 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 798 GetRequests, 788 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2022-07-23 00:30:27,189 INFO L413 NwaCegarLoop]: 2576 mSDtfsCounter, 598 mSDsluCounter, 6979 mSDsCounter, 0 mSdLazyCounter, 59 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 695 SdHoareTripleChecker+Valid, 9555 SdHoareTripleChecker+Invalid, 69 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 59 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-23 00:30:27,190 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [695 Valid, 9555 Invalid, 69 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 59 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-23 00:30:27,204 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11812 states. [2022-07-23 00:30:27,622 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11812 to 8281. [2022-07-23 00:30:27,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8281 states, 6470 states have (on average 1.422565687789799) internal successors, (9204), 6502 states have internal predecessors, (9204), 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) [2022-07-23 00:30:27,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8281 states to 8281 states and 12215 transitions. [2022-07-23 00:30:27,662 INFO L78 Accepts]: Start accepts. Automaton has 8281 states and 12215 transitions. Word has length 614 [2022-07-23 00:30:27,663 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 00:30:27,663 INFO L495 AbstractCegarLoop]: Abstraction has 8281 states and 12215 transitions. [2022-07-23 00:30:27,663 INFO L496 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, (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) [2022-07-23 00:30:27,663 INFO L276 IsEmpty]: Start isEmpty. Operand 8281 states and 12215 transitions. [2022-07-23 00:30:27,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 624 [2022-07-23 00:30:27,729 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 00:30:27,729 INFO L195 NwaCegarLoop]: 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, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 00:30:27,769 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2022-07-23 00:30:27,943 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-23 00:30:27,944 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 00:30:27,944 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 00:30:27,944 INFO L85 PathProgramCache]: Analyzing trace with hash 306244512, now seen corresponding path program 1 times [2022-07-23 00:30:27,944 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 00:30:27,944 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [34702685] [2022-07-23 00:30:27,944 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 00:30:27,945 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 00:30:28,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:28,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 00:30:28,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:28,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:30:28,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:28,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:30:28,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:28,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-23 00:30:28,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:28,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:30:28,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:28,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:30:28,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:28,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-23 00:30:28,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:28,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:30:28,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:28,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:30:28,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:28,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-23 00:30:28,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:28,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:30:28,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:28,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:30:28,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:28,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-23 00:30:28,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:28,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:30:28,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:28,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:30:28,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:28,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-23 00:30:28,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:28,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:30:28,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:28,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:30:28,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:28,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-23 00:30:28,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:28,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:30:28,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:28,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:30:28,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:28,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-23 00:30:28,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:28,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:30:28,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:28,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:30:28,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:28,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-23 00:30:28,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:28,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:30:28,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:28,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:30:28,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:28,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-23 00:30:28,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:28,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:30:28,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:28,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:30:28,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:28,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-07-23 00:30:28,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:28,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:30:28,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:28,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:30:28,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:28,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-23 00:30:28,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:28,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2022-07-23 00:30:28,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:28,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2022-07-23 00:30:28,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:28,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2022-07-23 00:30:28,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:28,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2022-07-23 00:30:28,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:28,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-07-23 00:30:28,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:28,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2022-07-23 00:30:28,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:28,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2022-07-23 00:30:28,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:28,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2022-07-23 00:30:28,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:28,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2022-07-23 00:30:28,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:28,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2022-07-23 00:30:28,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:28,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-23 00:30:28,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:28,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2022-07-23 00:30:28,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:28,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2022-07-23 00:30:28,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:28,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2022-07-23 00:30:28,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:28,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2022-07-23 00:30:28,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:28,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 291 [2022-07-23 00:30:28,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:28,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2022-07-23 00:30:28,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:28,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 323 [2022-07-23 00:30:28,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:28,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:30:28,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:28,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:30:28,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:28,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2022-07-23 00:30:28,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:28,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:30:28,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:28,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:30:28,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:28,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2022-07-23 00:30:28,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:28,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:30:28,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:28,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:30:28,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:28,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 374 [2022-07-23 00:30:28,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:28,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:30:28,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:28,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:30:28,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:28,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 390 [2022-07-23 00:30:28,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:28,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:30:28,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:28,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:30:28,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:28,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 424 [2022-07-23 00:30:28,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:28,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 432 [2022-07-23 00:30:28,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:28,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 437 [2022-07-23 00:30:28,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:28,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 446 [2022-07-23 00:30:28,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:28,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 452 [2022-07-23 00:30:28,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:28,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 458 [2022-07-23 00:30:28,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:28,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:30:28,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:28,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-23 00:30:28,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:28,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 479 [2022-07-23 00:30:28,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:28,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 490 [2022-07-23 00:30:28,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:29,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 496 [2022-07-23 00:30:29,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:29,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:30:29,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:29,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 508 [2022-07-23 00:30:29,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:29,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 514 [2022-07-23 00:30:29,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:29,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 523 [2022-07-23 00:30:29,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:29,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 529 [2022-07-23 00:30:29,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:29,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:30:29,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:29,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 547 [2022-07-23 00:30:29,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:29,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 552 [2022-07-23 00:30:29,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:29,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 564 [2022-07-23 00:30:29,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:29,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:30:29,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:29,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 573 [2022-07-23 00:30:29,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:29,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 584 [2022-07-23 00:30:29,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:29,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 590 [2022-07-23 00:30:29,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:29,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:30:29,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:29,174 INFO L134 CoverageAnalysis]: Checked inductivity of 2598 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 2574 trivial. 0 not checked. [2022-07-23 00:30:29,174 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 00:30:29,174 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [34702685] [2022-07-23 00:30:29,174 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [34702685] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 00:30:29,174 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 00:30:29,174 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-07-23 00:30:29,175 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [332393432] [2022-07-23 00:30:29,175 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 00:30:29,175 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-07-23 00:30:29,175 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 00:30:29,176 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-07-23 00:30:29,176 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2022-07-23 00:30:29,176 INFO L87 Difference]: Start difference. First operand 8281 states and 12215 transitions. Second operand has 11 states, 11 states have (on average 17.90909090909091) internal successors, (197), 4 states have internal predecessors, (197), 2 states have call successors, (60), 8 states have call predecessors, (60), 2 states have return successors, (59), 3 states have call predecessors, (59), 2 states have call successors, (59) [2022-07-23 00:30:31,213 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 00:30:33,250 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 00:30:35,278 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 00:30:39,001 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 00:30:41,747 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 00:30:46,405 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 00:30:46,405 INFO L93 Difference]: Finished difference Result 22873 states and 35394 transitions. [2022-07-23 00:30:46,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-23 00:30:46,406 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 17.90909090909091) internal successors, (197), 4 states have internal predecessors, (197), 2 states have call successors, (60), 8 states have call predecessors, (60), 2 states have return successors, (59), 3 states have call predecessors, (59), 2 states have call successors, (59) Word has length 623 [2022-07-23 00:30:46,407 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 00:30:46,480 INFO L225 Difference]: With dead ends: 22873 [2022-07-23 00:30:46,480 INFO L226 Difference]: Without dead ends: 14672 [2022-07-23 00:30:46,513 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 199 GetRequests, 182 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=96, Invalid=246, Unknown=0, NotChecked=0, Total=342 [2022-07-23 00:30:46,513 INFO L413 NwaCegarLoop]: 2454 mSDtfsCounter, 3103 mSDsluCounter, 9835 mSDsCounter, 0 mSdLazyCounter, 5122 mSolverCounterSat, 1679 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3269 SdHoareTripleChecker+Valid, 12289 SdHoareTripleChecker+Invalid, 6806 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1679 IncrementalHoareTripleChecker+Valid, 5122 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.4s IncrementalHoareTripleChecker+Time [2022-07-23 00:30:46,514 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3269 Valid, 12289 Invalid, 6806 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1679 Valid, 5122 Invalid, 5 Unknown, 0 Unchecked, 16.4s Time] [2022-07-23 00:30:46,528 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14672 states. [2022-07-23 00:30:47,126 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14672 to 8297. [2022-07-23 00:30:47,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8297 states, 6482 states have (on average 1.421783400185128) internal successors, (9216), 6514 states have internal predecessors, (9216), 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) [2022-07-23 00:30:47,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8297 states to 8297 states and 12235 transitions. [2022-07-23 00:30:47,170 INFO L78 Accepts]: Start accepts. Automaton has 8297 states and 12235 transitions. Word has length 623 [2022-07-23 00:30:47,171 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 00:30:47,171 INFO L495 AbstractCegarLoop]: Abstraction has 8297 states and 12235 transitions. [2022-07-23 00:30:47,171 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 17.90909090909091) internal successors, (197), 4 states have internal predecessors, (197), 2 states have call successors, (60), 8 states have call predecessors, (60), 2 states have return successors, (59), 3 states have call predecessors, (59), 2 states have call successors, (59) [2022-07-23 00:30:47,171 INFO L276 IsEmpty]: Start isEmpty. Operand 8297 states and 12235 transitions. [2022-07-23 00:30:47,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 636 [2022-07-23 00:30:47,194 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 00:30:47,194 INFO L195 NwaCegarLoop]: 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 00:30:47,194 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-07-23 00:30:47,195 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 00:30:47,195 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 00:30:47,195 INFO L85 PathProgramCache]: Analyzing trace with hash -1751625566, now seen corresponding path program 1 times [2022-07-23 00:30:47,195 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 00:30:47,195 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [89023057] [2022-07-23 00:30:47,196 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 00:30:47,196 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 00:30:47,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:47,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 00:30:47,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:47,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:30:47,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:47,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:30:47,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:47,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-23 00:30:47,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:47,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:30:47,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:47,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:30:47,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:47,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-23 00:30:47,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:47,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:30:47,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:47,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:30:47,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:47,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-23 00:30:47,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:47,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:30:47,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:47,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:30:47,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:47,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-23 00:30:47,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:47,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:30:47,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:47,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:30:47,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:47,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-23 00:30:47,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:47,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:30:47,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:47,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:30:47,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:47,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-23 00:30:47,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:47,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:30:47,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:47,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:30:47,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:47,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-23 00:30:47,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:47,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:30:47,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:47,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:30:47,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:47,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-23 00:30:47,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:47,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:30:47,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:47,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:30:47,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:47,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-23 00:30:47,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:47,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:30:47,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:47,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:30:47,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:47,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-07-23 00:30:47,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:47,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:30:47,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:47,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:30:47,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:47,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-23 00:30:48,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:48,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2022-07-23 00:30:48,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:48,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2022-07-23 00:30:48,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:48,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2022-07-23 00:30:48,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:48,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2022-07-23 00:30:48,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:48,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-07-23 00:30:48,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:48,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2022-07-23 00:30:48,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:48,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2022-07-23 00:30:48,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:48,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2022-07-23 00:30:48,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:48,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2022-07-23 00:30:48,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:48,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2022-07-23 00:30:48,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:48,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-23 00:30:48,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:48,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2022-07-23 00:30:48,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:48,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2022-07-23 00:30:48,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:48,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2022-07-23 00:30:48,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:48,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2022-07-23 00:30:48,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:48,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 291 [2022-07-23 00:30:48,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:48,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2022-07-23 00:30:48,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:48,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 323 [2022-07-23 00:30:48,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:48,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:30:48,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:48,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:30:48,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:48,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2022-07-23 00:30:48,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:48,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:30:48,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:48,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:30:48,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:48,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2022-07-23 00:30:48,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:48,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:30:48,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:48,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:30:48,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:48,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 374 [2022-07-23 00:30:48,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:48,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:30:48,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:48,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:30:48,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:48,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 390 [2022-07-23 00:30:48,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:48,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:30:48,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:48,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:30:48,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:48,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 424 [2022-07-23 00:30:48,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:48,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 432 [2022-07-23 00:30:48,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:48,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 437 [2022-07-23 00:30:48,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:48,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 446 [2022-07-23 00:30:48,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:48,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 452 [2022-07-23 00:30:48,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:48,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 458 [2022-07-23 00:30:48,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:48,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:30:48,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:48,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-23 00:30:48,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:48,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 479 [2022-07-23 00:30:48,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:48,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 490 [2022-07-23 00:30:48,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:48,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 496 [2022-07-23 00:30:48,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:48,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:30:48,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:48,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-23 00:30:48,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:48,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 520 [2022-07-23 00:30:48,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:48,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 526 [2022-07-23 00:30:48,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:48,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 535 [2022-07-23 00:30:48,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:48,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 541 [2022-07-23 00:30:48,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:48,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:30:48,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:48,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 559 [2022-07-23 00:30:48,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:48,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 564 [2022-07-23 00:30:48,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:48,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 576 [2022-07-23 00:30:48,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:48,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:30:48,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:48,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 585 [2022-07-23 00:30:48,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:48,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 596 [2022-07-23 00:30:48,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:48,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 602 [2022-07-23 00:30:48,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:48,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:30:48,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:48,569 INFO L134 CoverageAnalysis]: Checked inductivity of 2607 backedges. 24 proven. 11 refuted. 0 times theorem prover too weak. 2572 trivial. 0 not checked. [2022-07-23 00:30:48,569 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 00:30:48,569 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [89023057] [2022-07-23 00:30:48,569 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [89023057] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-23 00:30:48,569 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [156889793] [2022-07-23 00:30:48,569 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 00:30:48,570 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-23 00:30:48,570 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 00:30:48,571 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) [2022-07-23 00:30:48,572 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-07-23 00:30:50,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:50,229 INFO L263 TraceCheckSpWp]: Trace formula consists of 6430 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-23 00:30:50,245 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 00:30:50,288 INFO L134 CoverageAnalysis]: Checked inductivity of 2607 backedges. 103 proven. 0 refuted. 0 times theorem prover too weak. 2504 trivial. 0 not checked. [2022-07-23 00:30:50,289 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 00:30:50,289 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [156889793] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 00:30:50,289 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-23 00:30:50,290 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [10] total 10 [2022-07-23 00:30:50,290 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [696438105] [2022-07-23 00:30:50,290 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 00:30:50,291 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-23 00:30:50,291 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 00:30:50,292 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-23 00:30:50,292 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2022-07-23 00:30:50,292 INFO L87 Difference]: Start difference. First operand 8297 states and 12235 transitions. Second operand has 3 states, 3 states have (on average 72.33333333333333) internal successors, (217), 3 states have internal predecessors, (217), 2 states have call successors, (62), 2 states have call predecessors, (62), 2 states have return successors, (61), 2 states have call predecessors, (61), 2 states have call successors, (61) [2022-07-23 00:30:50,797 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 00:30:50,797 INFO L93 Difference]: Finished difference Result 16626 states and 24582 transitions. [2022-07-23 00:30:50,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-23 00:30:50,798 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 72.33333333333333) internal successors, (217), 3 states have internal predecessors, (217), 2 states have call successors, (62), 2 states have call predecessors, (62), 2 states have return successors, (61), 2 states have call predecessors, (61), 2 states have call successors, (61) Word has length 635 [2022-07-23 00:30:50,799 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 00:30:50,843 INFO L225 Difference]: With dead ends: 16626 [2022-07-23 00:30:50,843 INFO L226 Difference]: Without dead ends: 8409 [2022-07-23 00:30:50,870 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 824 GetRequests, 816 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2022-07-23 00:30:50,872 INFO L413 NwaCegarLoop]: 1784 mSDtfsCounter, 11 mSDsluCounter, 1770 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 3554 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-23 00:30:50,873 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 3554 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-23 00:30:50,882 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8409 states. [2022-07-23 00:30:51,402 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8409 to 8353. [2022-07-23 00:30:51,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8353 states, 6538 states have (on average 1.4218415417558887) internal successors, (9296), 6570 states have internal predecessors, (9296), 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) [2022-07-23 00:30:51,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8353 states to 8353 states and 12315 transitions. [2022-07-23 00:30:51,448 INFO L78 Accepts]: Start accepts. Automaton has 8353 states and 12315 transitions. Word has length 635 [2022-07-23 00:30:51,449 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 00:30:51,449 INFO L495 AbstractCegarLoop]: Abstraction has 8353 states and 12315 transitions. [2022-07-23 00:30:51,449 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 72.33333333333333) internal successors, (217), 3 states have internal predecessors, (217), 2 states have call successors, (62), 2 states have call predecessors, (62), 2 states have return successors, (61), 2 states have call predecessors, (61), 2 states have call successors, (61) [2022-07-23 00:30:51,450 INFO L276 IsEmpty]: Start isEmpty. Operand 8353 states and 12315 transitions. [2022-07-23 00:30:51,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 638 [2022-07-23 00:30:51,473 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 00:30:51,473 INFO L195 NwaCegarLoop]: 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 00:30:51,517 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-07-23 00:30:51,690 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2022-07-23 00:30:51,691 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 00:30:51,691 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 00:30:51,692 INFO L85 PathProgramCache]: Analyzing trace with hash -820670190, now seen corresponding path program 1 times [2022-07-23 00:30:51,692 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 00:30:51,692 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [562620313] [2022-07-23 00:30:51,692 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 00:30:51,692 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 00:30:51,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:52,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 00:30:52,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:52,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:30:52,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:52,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:30:52,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:52,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-23 00:30:52,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:52,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:30:52,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:52,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:30:52,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:52,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-23 00:30:52,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:52,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:30:52,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:52,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:30:52,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:52,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-23 00:30:52,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:52,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:30:52,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:52,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:30:52,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:52,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-23 00:30:52,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:52,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:30:52,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:52,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:30:52,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:52,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-23 00:30:52,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:52,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:30:52,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:52,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:30:52,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:52,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-23 00:30:52,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:52,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:30:52,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:52,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:30:52,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:52,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-23 00:30:52,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:52,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:30:52,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:52,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:30:52,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:52,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-23 00:30:52,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:52,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:30:52,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:52,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:30:52,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:52,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-23 00:30:52,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:52,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:30:52,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:52,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:30:52,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:52,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-07-23 00:30:52,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:52,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:30:52,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:52,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:30:52,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:52,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-23 00:30:52,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:52,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2022-07-23 00:30:52,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:52,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2022-07-23 00:30:52,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:52,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2022-07-23 00:30:52,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:52,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2022-07-23 00:30:52,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:52,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-07-23 00:30:52,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:52,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2022-07-23 00:30:52,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:52,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2022-07-23 00:30:52,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:52,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2022-07-23 00:30:52,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:52,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2022-07-23 00:30:52,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:52,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2022-07-23 00:30:52,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:52,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-23 00:30:52,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:52,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2022-07-23 00:30:52,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:52,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2022-07-23 00:30:52,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:52,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2022-07-23 00:30:52,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:52,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2022-07-23 00:30:52,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:52,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 291 [2022-07-23 00:30:52,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:52,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2022-07-23 00:30:52,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:52,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 323 [2022-07-23 00:30:52,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:52,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:30:52,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:52,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:30:52,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:52,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2022-07-23 00:30:52,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:52,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:30:52,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:52,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:30:52,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:52,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2022-07-23 00:30:52,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:52,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:30:52,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:52,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:30:52,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:52,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 374 [2022-07-23 00:30:52,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:52,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:30:52,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:52,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:30:52,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:52,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 390 [2022-07-23 00:30:52,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:52,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:30:52,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:52,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:30:52,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:52,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 424 [2022-07-23 00:30:52,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:52,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 432 [2022-07-23 00:30:52,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:52,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 437 [2022-07-23 00:30:52,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:52,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 446 [2022-07-23 00:30:52,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:52,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 452 [2022-07-23 00:30:52,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:52,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 458 [2022-07-23 00:30:52,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:52,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:30:52,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:52,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-23 00:30:52,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:52,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 479 [2022-07-23 00:30:52,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:52,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 490 [2022-07-23 00:30:52,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:52,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 496 [2022-07-23 00:30:52,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:52,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:30:52,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:52,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-07-23 00:30:52,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:52,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 522 [2022-07-23 00:30:52,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:52,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 528 [2022-07-23 00:30:52,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:52,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 537 [2022-07-23 00:30:52,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:52,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 543 [2022-07-23 00:30:52,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:52,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:30:52,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:52,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 561 [2022-07-23 00:30:52,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:52,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 566 [2022-07-23 00:30:52,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:52,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 578 [2022-07-23 00:30:52,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:52,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:30:52,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:52,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 587 [2022-07-23 00:30:52,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:52,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 598 [2022-07-23 00:30:52,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:52,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 604 [2022-07-23 00:30:52,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:52,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:30:52,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:52,929 INFO L134 CoverageAnalysis]: Checked inductivity of 2607 backedges. 26 proven. 2 refuted. 0 times theorem prover too weak. 2579 trivial. 0 not checked. [2022-07-23 00:30:52,929 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 00:30:52,929 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [562620313] [2022-07-23 00:30:52,929 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [562620313] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-23 00:30:52,929 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2062334529] [2022-07-23 00:30:52,930 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 00:30:52,930 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-23 00:30:52,930 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 00:30:52,931 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) [2022-07-23 00:30:52,933 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-07-23 00:30:54,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:54,447 INFO L263 TraceCheckSpWp]: Trace formula consists of 6438 conjuncts, 5 conjunts are in the unsatisfiable core [2022-07-23 00:30:54,475 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 00:30:54,543 INFO L134 CoverageAnalysis]: Checked inductivity of 2607 backedges. 66 proven. 0 refuted. 0 times theorem prover too weak. 2541 trivial. 0 not checked. [2022-07-23 00:30:54,543 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 00:30:54,543 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2062334529] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 00:30:54,544 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-23 00:30:54,544 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [11] total 11 [2022-07-23 00:30:54,544 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [995533182] [2022-07-23 00:30:54,544 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 00:30:54,545 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-23 00:30:54,545 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 00:30:54,545 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-23 00:30:54,546 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2022-07-23 00:30:54,546 INFO L87 Difference]: Start difference. First operand 8353 states and 12315 transitions. Second operand has 5 states, 5 states have (on average 43.8) internal successors, (219), 4 states have internal predecessors, (219), 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) [2022-07-23 00:30:55,204 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 00:30:55,204 INFO L93 Difference]: Finished difference Result 20165 states and 30296 transitions. [2022-07-23 00:30:55,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-23 00:30:55,205 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 43.8) internal successors, (219), 4 states have internal predecessors, (219), 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 637 [2022-07-23 00:30:55,206 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 00:30:55,257 INFO L225 Difference]: With dead ends: 20165 [2022-07-23 00:30:55,257 INFO L226 Difference]: Without dead ends: 11892 [2022-07-23 00:30:55,286 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 825 GetRequests, 815 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2022-07-23 00:30:55,286 INFO L413 NwaCegarLoop]: 2576 mSDtfsCounter, 598 mSDsluCounter, 6979 mSDsCounter, 0 mSdLazyCounter, 59 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 695 SdHoareTripleChecker+Valid, 9555 SdHoareTripleChecker+Invalid, 69 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 59 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-23 00:30:55,287 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [695 Valid, 9555 Invalid, 69 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 59 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-23 00:30:55,300 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11892 states. [2022-07-23 00:30:55,904 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11892 to 8361. [2022-07-23 00:30:55,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8361 states, 6546 states have (on average 1.4213260006110602) internal successors, (9304), 6574 states have internal predecessors, (9304), 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) [2022-07-23 00:30:55,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8361 states to 8361 states and 12323 transitions. [2022-07-23 00:30:55,948 INFO L78 Accepts]: Start accepts. Automaton has 8361 states and 12323 transitions. Word has length 637 [2022-07-23 00:30:55,949 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 00:30:55,949 INFO L495 AbstractCegarLoop]: Abstraction has 8361 states and 12323 transitions. [2022-07-23 00:30:55,950 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 43.8) internal successors, (219), 4 states have internal predecessors, (219), 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) [2022-07-23 00:30:55,950 INFO L276 IsEmpty]: Start isEmpty. Operand 8361 states and 12323 transitions. [2022-07-23 00:30:55,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 647 [2022-07-23 00:30:55,969 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 00:30:55,970 INFO L195 NwaCegarLoop]: 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, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 00:30:56,012 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-07-23 00:30:56,195 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-23 00:30:56,196 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 00:30:56,196 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 00:30:56,196 INFO L85 PathProgramCache]: Analyzing trace with hash 1968966406, now seen corresponding path program 2 times [2022-07-23 00:30:56,196 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 00:30:56,196 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [110438903] [2022-07-23 00:30:56,196 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 00:30:56,197 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 00:30:56,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:56,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 00:30:56,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:56,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:30:56,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:56,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:30:56,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:56,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-23 00:30:56,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:56,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:30:56,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:56,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:30:56,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:56,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-23 00:30:56,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:56,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:30:56,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:56,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:30:56,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:56,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-23 00:30:56,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:56,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:30:56,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:56,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:30:56,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:56,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-23 00:30:56,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:56,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:30:56,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:56,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:30:56,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:56,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-23 00:30:56,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:56,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:30:56,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:56,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:30:56,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:56,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-23 00:30:56,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:56,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:30:56,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:56,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:30:56,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:56,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-23 00:30:56,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:56,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:30:56,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:56,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:30:56,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:56,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-23 00:30:56,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:56,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:30:56,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:56,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:30:56,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:56,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-23 00:30:56,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:56,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:30:56,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:56,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:30:56,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:56,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-07-23 00:30:56,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:56,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:30:56,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:56,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:30:56,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:56,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-23 00:30:56,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:56,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2022-07-23 00:30:56,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:56,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2022-07-23 00:30:56,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:56,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2022-07-23 00:30:56,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:56,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2022-07-23 00:30:56,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:56,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-07-23 00:30:57,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:57,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2022-07-23 00:30:57,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:57,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2022-07-23 00:30:57,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:57,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2022-07-23 00:30:57,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:57,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2022-07-23 00:30:57,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:57,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2022-07-23 00:30:57,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:57,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-23 00:30:57,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:57,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2022-07-23 00:30:57,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:57,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2022-07-23 00:30:57,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:57,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2022-07-23 00:30:57,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:57,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2022-07-23 00:30:57,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:57,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 291 [2022-07-23 00:30:57,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:57,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2022-07-23 00:30:57,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:57,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 323 [2022-07-23 00:30:57,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:57,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:30:57,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:57,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:30:57,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:57,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2022-07-23 00:30:57,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:57,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:30:57,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:57,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:30:57,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:57,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2022-07-23 00:30:57,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:57,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:30:57,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:57,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:30:57,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:57,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 374 [2022-07-23 00:30:57,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:57,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:30:57,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:57,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:30:57,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:57,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 390 [2022-07-23 00:30:57,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:57,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:30:57,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:57,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:30:57,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:57,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 424 [2022-07-23 00:30:57,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:57,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 432 [2022-07-23 00:30:57,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:57,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 437 [2022-07-23 00:30:57,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:57,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 446 [2022-07-23 00:30:57,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:57,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 452 [2022-07-23 00:30:57,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:57,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 458 [2022-07-23 00:30:57,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:57,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:30:57,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:57,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-23 00:30:57,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:57,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 479 [2022-07-23 00:30:57,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:57,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 490 [2022-07-23 00:30:57,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:57,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 496 [2022-07-23 00:30:57,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:57,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:30:57,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:57,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-07-23 00:30:57,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:57,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 522 [2022-07-23 00:30:57,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:57,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 528 [2022-07-23 00:30:57,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:57,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 537 [2022-07-23 00:30:57,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:57,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 543 [2022-07-23 00:30:57,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:57,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:30:57,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:57,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-23 00:30:57,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:57,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 570 [2022-07-23 00:30:57,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:57,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 575 [2022-07-23 00:30:57,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:57,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 587 [2022-07-23 00:30:57,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:57,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:30:57,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:57,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 596 [2022-07-23 00:30:57,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:57,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 607 [2022-07-23 00:30:57,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:57,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 613 [2022-07-23 00:30:57,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:57,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:30:57,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:30:57,467 INFO L134 CoverageAnalysis]: Checked inductivity of 2625 backedges. 24 proven. 11 refuted. 0 times theorem prover too weak. 2590 trivial. 0 not checked. [2022-07-23 00:30:57,468 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 00:30:57,468 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [110438903] [2022-07-23 00:30:57,468 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [110438903] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-23 00:30:57,468 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [302239405] [2022-07-23 00:30:57,468 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-07-23 00:30:57,468 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-23 00:30:57,469 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 00:30:57,472 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) [2022-07-23 00:30:57,499 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process