./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-32_7a-drivers--md--dm-raid.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 35987657 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-32_7a-drivers--md--dm-raid.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 62515c851d4d8c80398352da8857a26e67ae776a292d33d62b0afdc92addb3ad --- Real Ultimate output --- This is Ultimate 0.2.2-?-3598765 [2022-07-21 12:12:23,343 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-21 12:12:23,345 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-21 12:12:23,377 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-21 12:12:23,377 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-21 12:12:23,378 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-21 12:12:23,384 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-21 12:12:23,388 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-21 12:12:23,390 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-21 12:12:23,394 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-21 12:12:23,395 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-21 12:12:23,400 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-21 12:12:23,401 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-21 12:12:23,402 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-21 12:12:23,404 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-21 12:12:23,406 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-21 12:12:23,407 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-21 12:12:23,408 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-21 12:12:23,411 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-21 12:12:23,417 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-21 12:12:23,419 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-21 12:12:23,420 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-21 12:12:23,422 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-21 12:12:23,423 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-21 12:12:23,424 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-21 12:12:23,429 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-21 12:12:23,431 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-21 12:12:23,431 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-21 12:12:23,432 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-21 12:12:23,433 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-21 12:12:23,434 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-21 12:12:23,434 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-21 12:12:23,436 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-21 12:12:23,436 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-21 12:12:23,437 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-21 12:12:23,438 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-21 12:12:23,439 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-21 12:12:23,439 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-21 12:12:23,439 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-21 12:12:23,440 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-21 12:12:23,440 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-21 12:12:23,442 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-21 12:12:23,448 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-21 12:12:23,473 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-21 12:12:23,474 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-21 12:12:23,474 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-21 12:12:23,474 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-21 12:12:23,475 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-21 12:12:23,475 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-21 12:12:23,476 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-21 12:12:23,476 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-21 12:12:23,476 INFO L138 SettingsManager]: * Use SBE=true [2022-07-21 12:12:23,477 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-21 12:12:23,477 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-21 12:12:23,478 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-21 12:12:23,478 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-21 12:12:23,478 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-21 12:12:23,478 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-21 12:12:23,478 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-21 12:12:23,479 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-21 12:12:23,479 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-21 12:12:23,479 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-21 12:12:23,479 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-21 12:12:23,479 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-21 12:12:23,480 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 12:12:23,480 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-21 12:12:23,480 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-21 12:12:23,480 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-21 12:12:23,481 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-21 12:12:23,481 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-21 12:12:23,481 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-21 12:12:23,481 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-21 12:12:23,481 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-21 12:12:23,482 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 62515c851d4d8c80398352da8857a26e67ae776a292d33d62b0afdc92addb3ad [2022-07-21 12:12:23,779 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-21 12:12:23,806 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-21 12:12:23,808 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-21 12:12:23,809 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-21 12:12:23,810 INFO L275 PluginConnector]: CDTParser initialized [2022-07-21 12:12:23,811 INFO L432 ainManager$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-32_7a-drivers--md--dm-raid.ko-entry_point.cil.out.i [2022-07-21 12:12:23,878 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c191863bf/e0143c3a36a94c9e8ea6f41f5480430a/FLAG487e5df06 [2022-07-21 12:12:24,666 INFO L306 CDTParser]: Found 1 translation units. [2022-07-21 12:12:24,666 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--md--dm-raid.ko-entry_point.cil.out.i [2022-07-21 12:12:24,707 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c191863bf/e0143c3a36a94c9e8ea6f41f5480430a/FLAG487e5df06 [2022-07-21 12:12:24,861 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c191863bf/e0143c3a36a94c9e8ea6f41f5480430a [2022-07-21 12:12:24,864 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-21 12:12:24,866 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-21 12:12:24,869 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-21 12:12:24,869 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-21 12:12:24,872 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-21 12:12:24,873 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 12:12:24" (1/1) ... [2022-07-21 12:12:24,874 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@15e55f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:12:24, skipping insertion in model container [2022-07-21 12:12:24,874 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 12:12:24" (1/1) ... [2022-07-21 12:12:24,882 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-21 12:12:25,006 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-21 12:12:26,425 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-32_7a-drivers--md--dm-raid.ko-entry_point.cil.out.i[217361,217374] [2022-07-21 12:12:26,522 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 12:12:26,547 INFO L203 MainTranslator]: Completed pre-run [2022-07-21 12:12:26,841 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-32_7a-drivers--md--dm-raid.ko-entry_point.cil.out.i[217361,217374] [2022-07-21 12:12:26,867 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 12:12:26,997 INFO L208 MainTranslator]: Completed translation [2022-07-21 12:12:26,998 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:12:26 WrapperNode [2022-07-21 12:12:26,999 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-21 12:12:27,000 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-21 12:12:27,000 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-21 12:12:27,001 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-21 12:12:27,006 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:12:26" (1/1) ... [2022-07-21 12:12:27,099 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:12:26" (1/1) ... [2022-07-21 12:12:27,248 INFO L137 Inliner]: procedures = 221, calls = 1591, calls flagged for inlining = 84, calls inlined = 76, statements flattened = 4452 [2022-07-21 12:12:27,248 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-21 12:12:27,249 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-21 12:12:27,249 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-21 12:12:27,250 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-21 12:12:27,257 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:12:26" (1/1) ... [2022-07-21 12:12:27,258 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:12:26" (1/1) ... [2022-07-21 12:12:27,293 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:12:26" (1/1) ... [2022-07-21 12:12:27,295 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:12:26" (1/1) ... [2022-07-21 12:12:27,421 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:12:26" (1/1) ... [2022-07-21 12:12:27,443 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:12:26" (1/1) ... [2022-07-21 12:12:27,470 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:12:26" (1/1) ... [2022-07-21 12:12:27,496 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-21 12:12:27,498 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-21 12:12:27,498 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-21 12:12:27,498 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-21 12:12:27,499 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:12:26" (1/1) ... [2022-07-21 12:12:27,506 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 12:12:27,514 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-21 12:12:27,533 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) [2022-07-21 12:12:27,556 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 [2022-07-21 12:12:27,570 INFO L130 BoogieDeclarations]: Found specification of procedure dm_table_get_mode [2022-07-21 12:12:27,570 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_table_get_mode [2022-07-21 12:12:27,570 INFO L130 BoogieDeclarations]: Found specification of procedure bdev_get_queue [2022-07-21 12:12:27,571 INFO L138 BoogieDeclarations]: Found implementation of procedure bdev_get_queue [2022-07-21 12:12:27,571 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-21 12:12:27,571 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-21 12:12:27,571 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-07-21 12:12:27,571 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-07-21 12:12:27,571 INFO L130 BoogieDeclarations]: Found specification of procedure lowmem_page_address [2022-07-21 12:12:27,571 INFO L138 BoogieDeclarations]: Found implementation of procedure lowmem_page_address [2022-07-21 12:12:27,572 INFO L130 BoogieDeclarations]: Found specification of procedure raid10_md_layout_to_format [2022-07-21 12:12:27,572 INFO L138 BoogieDeclarations]: Found implementation of procedure raid10_md_layout_to_format [2022-07-21 12:12:27,572 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-21 12:12:27,572 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-21 12:12:27,572 INFO L130 BoogieDeclarations]: Found specification of procedure raid_io_hints [2022-07-21 12:12:27,572 INFO L138 BoogieDeclarations]: Found implementation of procedure raid_io_hints [2022-07-21 12:12:27,572 INFO L130 BoogieDeclarations]: Found specification of procedure raid_message [2022-07-21 12:12:27,573 INFO L138 BoogieDeclarations]: Found implementation of procedure raid_message [2022-07-21 12:12:27,573 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-07-21 12:12:27,573 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-07-21 12:12:27,573 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-07-21 12:12:27,573 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-07-21 12:12:27,573 INFO L130 BoogieDeclarations]: Found specification of procedure raid10_md_layout_to_copies [2022-07-21 12:12:27,573 INFO L138 BoogieDeclarations]: Found implementation of procedure raid10_md_layout_to_copies [2022-07-21 12:12:27,574 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-21 12:12:27,574 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-21 12:12:27,574 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-07-21 12:12:27,575 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-07-21 12:12:27,575 INFO L130 BoogieDeclarations]: Found specification of procedure context_free [2022-07-21 12:12:27,575 INFO L138 BoogieDeclarations]: Found implementation of procedure context_free [2022-07-21 12:12:27,575 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2022-07-21 12:12:27,575 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2022-07-21 12:12:27,575 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2022-07-21 12:12:27,575 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2022-07-21 12:12:27,576 INFO L130 BoogieDeclarations]: Found specification of procedure super_validate [2022-07-21 12:12:27,576 INFO L138 BoogieDeclarations]: Found implementation of procedure super_validate [2022-07-21 12:12:27,576 INFO L130 BoogieDeclarations]: Found specification of procedure do_table_event [2022-07-21 12:12:27,576 INFO L138 BoogieDeclarations]: Found implementation of procedure do_table_event [2022-07-21 12:12:27,576 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-21 12:12:27,577 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-07-21 12:12:27,577 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-07-21 12:12:27,577 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-21 12:12:27,577 INFO L130 BoogieDeclarations]: Found specification of procedure sync_page_io [2022-07-21 12:12:27,577 INFO L138 BoogieDeclarations]: Found implementation of procedure sync_page_io [2022-07-21 12:12:27,578 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-07-21 12:12:27,578 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-07-21 12:12:27,578 INFO L130 BoogieDeclarations]: Found specification of procedure to_sector [2022-07-21 12:12:27,578 INFO L138 BoogieDeclarations]: Found implementation of procedure to_sector [2022-07-21 12:12:27,578 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-21 12:12:27,578 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-21 12:12:27,578 INFO L130 BoogieDeclarations]: Found specification of procedure raid_iterate_devices [2022-07-21 12:12:27,579 INFO L138 BoogieDeclarations]: Found implementation of procedure raid_iterate_devices [2022-07-21 12:12:27,579 INFO L130 BoogieDeclarations]: Found specification of procedure dm_put_device [2022-07-21 12:12:27,579 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_put_device [2022-07-21 12:12:27,579 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_reconfig_mutex_of_mddev [2022-07-21 12:12:27,580 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_reconfig_mutex_of_mddev [2022-07-21 12:12:27,580 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-21 12:12:27,580 INFO L130 BoogieDeclarations]: Found specification of procedure mddev_suspend [2022-07-21 12:12:27,581 INFO L138 BoogieDeclarations]: Found implementation of procedure mddev_suspend [2022-07-21 12:12:27,581 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-07-21 12:12:27,581 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-07-21 12:12:27,582 INFO L130 BoogieDeclarations]: Found specification of procedure super_sync [2022-07-21 12:12:27,582 INFO L138 BoogieDeclarations]: Found implementation of procedure super_sync [2022-07-21 12:12:27,582 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-21 12:12:27,582 INFO L130 BoogieDeclarations]: Found specification of procedure is_power_of_2 [2022-07-21 12:12:27,582 INFO L138 BoogieDeclarations]: Found implementation of procedure is_power_of_2 [2022-07-21 12:12:27,583 INFO L130 BoogieDeclarations]: Found specification of procedure md_wakeup_thread [2022-07-21 12:12:27,583 INFO L138 BoogieDeclarations]: Found implementation of procedure md_wakeup_thread [2022-07-21 12:12:27,583 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-07-21 12:12:27,583 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-07-21 12:12:27,583 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-21 12:12:27,583 INFO L130 BoogieDeclarations]: Found specification of procedure raid_merge [2022-07-21 12:12:27,583 INFO L138 BoogieDeclarations]: Found implementation of procedure raid_merge [2022-07-21 12:12:27,583 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2022-07-21 12:12:27,584 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2022-07-21 12:12:27,584 INFO L130 BoogieDeclarations]: Found specification of procedure raid_map [2022-07-21 12:12:27,584 INFO L138 BoogieDeclarations]: Found implementation of procedure raid_map [2022-07-21 12:12:27,584 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-21 12:12:27,584 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-21 12:12:27,584 INFO L130 BoogieDeclarations]: Found specification of procedure strcasecmp [2022-07-21 12:12:27,585 INFO L138 BoogieDeclarations]: Found implementation of procedure strcasecmp [2022-07-21 12:12:27,585 INFO L130 BoogieDeclarations]: Found specification of procedure md_stop [2022-07-21 12:12:27,585 INFO L138 BoogieDeclarations]: Found implementation of procedure md_stop [2022-07-21 12:12:27,585 INFO L130 BoogieDeclarations]: Found specification of procedure raid_status [2022-07-21 12:12:27,585 INFO L138 BoogieDeclarations]: Found implementation of procedure raid_status [2022-07-21 12:12:27,585 INFO L130 BoogieDeclarations]: Found specification of procedure kstrtoul [2022-07-21 12:12:27,585 INFO L138 BoogieDeclarations]: Found implementation of procedure kstrtoul [2022-07-21 12:12:27,586 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-07-21 12:12:27,586 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-07-21 12:12:27,586 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-07-21 12:12:27,586 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-07-21 12:12:27,587 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-21 12:12:27,587 INFO L130 BoogieDeclarations]: Found specification of procedure raid_dtr [2022-07-21 12:12:27,587 INFO L138 BoogieDeclarations]: Found implementation of procedure raid_dtr [2022-07-21 12:12:27,587 INFO L130 BoogieDeclarations]: Found specification of procedure dm_get_device [2022-07-21 12:12:27,588 INFO L138 BoogieDeclarations]: Found implementation of procedure dm_get_device [2022-07-21 12:12:27,588 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-21 12:12:27,588 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-21 12:12:27,588 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-07-21 12:12:27,589 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-07-21 12:12:28,152 INFO L234 CfgBuilder]: Building ICFG [2022-07-21 12:12:28,154 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-21 12:12:28,397 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-21 12:12:30,831 INFO L275 CfgBuilder]: Performing block encoding [2022-07-21 12:12:30,852 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-21 12:12:30,853 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-21 12:12:30,857 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 12:12:30 BoogieIcfgContainer [2022-07-21 12:12:30,857 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-21 12:12:30,859 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-21 12:12:30,859 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-21 12:12:30,862 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-21 12:12:30,862 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.07 12:12:24" (1/3) ... [2022-07-21 12:12:30,863 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ea91bc6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 12:12:30, skipping insertion in model container [2022-07-21 12:12:30,863 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:12:26" (2/3) ... [2022-07-21 12:12:30,864 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ea91bc6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 12:12:30, skipping insertion in model container [2022-07-21 12:12:30,864 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 12:12:30" (3/3) ... [2022-07-21 12:12:30,866 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--md--dm-raid.ko-entry_point.cil.out.i [2022-07-21 12:12:30,879 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-21 12:12:30,880 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-21 12:12:30,967 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-21 12:12:30,975 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@7af3bb39, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@4437042e [2022-07-21 12:12:30,975 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-21 12:12:30,985 INFO L276 IsEmpty]: Start isEmpty. Operand has 1151 states, 890 states have (on average 1.451685393258427) internal successors, (1292), 911 states have internal predecessors, (1292), 216 states have call successors, (216), 44 states have call predecessors, (216), 43 states have return successors, (212), 208 states have call predecessors, (212), 212 states have call successors, (212) [2022-07-21 12:12:31,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2022-07-21 12:12:31,009 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 12:12:31,011 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 12:12:31,013 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 12:12:31,019 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 12:12:31,023 INFO L85 PathProgramCache]: Analyzing trace with hash 660622254, now seen corresponding path program 1 times [2022-07-21 12:12:31,032 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 12:12:31,032 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1797495249] [2022-07-21 12:12:31,032 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 12:12:31,033 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 12:12:31,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:31,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 12:12:31,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:31,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:12:31,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:31,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:12:31,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:31,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-21 12:12:31,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:31,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:12:31,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:31,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:12:31,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:31,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-21 12:12:31,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:31,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:12:31,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:31,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:12:31,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:31,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-21 12:12:31,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:31,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:12:31,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:31,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:12:31,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:31,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-21 12:12:31,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:31,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:12:31,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:31,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:12:31,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:31,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-21 12:12:31,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:31,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:12:31,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:31,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:12:31,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:31,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-21 12:12:31,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:31,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:12:31,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:31,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:12:31,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:31,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-21 12:12:31,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:31,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:12:31,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:31,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:12:31,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:31,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2022-07-21 12:12:31,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:31,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:12:31,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:31,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-07-21 12:12:31,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:31,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:12:31,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:31,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2022-07-21 12:12:31,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:31,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:12:31,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:31,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2022-07-21 12:12:31,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:31,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:12:31,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:31,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2022-07-21 12:12:31,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:31,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:12:31,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:31,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2022-07-21 12:12:31,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:31,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:12:31,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:31,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2022-07-21 12:12:31,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:31,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:12:31,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:31,991 INFO L134 CoverageAnalysis]: Checked inductivity of 581 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 581 trivial. 0 not checked. [2022-07-21 12:12:31,991 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 12:12:31,992 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1797495249] [2022-07-21 12:12:31,995 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1797495249] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 12:12:31,996 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 12:12:31,996 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-21 12:12:31,997 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1587764524] [2022-07-21 12:12:31,998 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 12:12:32,003 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-21 12:12:32,003 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 12:12:32,034 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-21 12:12:32,035 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-21 12:12:32,040 INFO L87 Difference]: Start difference. First operand has 1151 states, 890 states have (on average 1.451685393258427) internal successors, (1292), 911 states have internal predecessors, (1292), 216 states have call successors, (216), 44 states have call predecessors, (216), 43 states have return successors, (212), 208 states have call predecessors, (212), 212 states have call successors, (212) Second operand has 5 states, 5 states have (on average 9.0) internal successors, (45), 2 states have internal predecessors, (45), 2 states have call successors, (19), 5 states have call predecessors, (19), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-07-21 12:12:34,273 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 12:12:34,274 INFO L93 Difference]: Finished difference Result 2324 states and 3500 transitions. [2022-07-21 12:12:34,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-21 12:12:34,277 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.0) internal successors, (45), 2 states have internal predecessors, (45), 2 states have call successors, (19), 5 states have call predecessors, (19), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 221 [2022-07-21 12:12:34,277 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 12:12:34,299 INFO L225 Difference]: With dead ends: 2324 [2022-07-21 12:12:34,300 INFO L226 Difference]: Without dead ends: 1166 [2022-07-21 12:12:34,313 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2022-07-21 12:12:34,316 INFO L413 NwaCegarLoop]: 1578 mSDtfsCounter, 1343 mSDsluCounter, 671 mSDsCounter, 0 mSdLazyCounter, 507 mSolverCounterSat, 819 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1346 SdHoareTripleChecker+Valid, 2249 SdHoareTripleChecker+Invalid, 1326 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 819 IncrementalHoareTripleChecker+Valid, 507 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2022-07-21 12:12:34,317 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1346 Valid, 2249 Invalid, 1326 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [819 Valid, 507 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2022-07-21 12:12:34,336 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1166 states. [2022-07-21 12:12:34,467 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1166 to 1139. [2022-07-21 12:12:34,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1139 states, 884 states have (on average 1.4457013574660633) internal successors, (1278), 899 states have internal predecessors, (1278), 212 states have call successors, (212), 43 states have call predecessors, (212), 42 states have return successors, (207), 203 states have call predecessors, (207), 207 states have call successors, (207) [2022-07-21 12:12:34,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1139 states to 1139 states and 1697 transitions. [2022-07-21 12:12:34,482 INFO L78 Accepts]: Start accepts. Automaton has 1139 states and 1697 transitions. Word has length 221 [2022-07-21 12:12:34,482 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 12:12:34,483 INFO L495 AbstractCegarLoop]: Abstraction has 1139 states and 1697 transitions. [2022-07-21 12:12:34,483 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.0) internal successors, (45), 2 states have internal predecessors, (45), 2 states have call successors, (19), 5 states have call predecessors, (19), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-07-21 12:12:34,483 INFO L276 IsEmpty]: Start isEmpty. Operand 1139 states and 1697 transitions. [2022-07-21 12:12:34,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2022-07-21 12:12:34,487 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 12:12:34,487 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 12:12:34,488 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-21 12:12:34,488 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 12:12:34,489 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 12:12:34,489 INFO L85 PathProgramCache]: Analyzing trace with hash 859733406, now seen corresponding path program 1 times [2022-07-21 12:12:34,489 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 12:12:34,489 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1771590524] [2022-07-21 12:12:34,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 12:12:34,490 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 12:12:34,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:34,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 12:12:34,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:34,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:12:34,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:34,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:12:34,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:34,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-21 12:12:34,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:34,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:12:34,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:34,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:12:34,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:34,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-21 12:12:34,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:34,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:12:34,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:34,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:12:34,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:34,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-21 12:12:34,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:34,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:12:34,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:34,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:12:34,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:34,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-21 12:12:34,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:34,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:12:34,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:34,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:12:34,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:34,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-21 12:12:34,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:34,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:12:34,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:34,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:12:34,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:34,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-21 12:12:34,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:34,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:12:34,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:34,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:12:34,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:34,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-21 12:12:34,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:34,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:12:34,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:34,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:12:34,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:34,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2022-07-21 12:12:34,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:34,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:12:34,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:34,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-07-21 12:12:34,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:34,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:12:34,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:34,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2022-07-21 12:12:34,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:34,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:12:34,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:34,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2022-07-21 12:12:34,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:34,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:12:34,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:34,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2022-07-21 12:12:34,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:34,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:12:34,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:34,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2022-07-21 12:12:34,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:34,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:12:34,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:34,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2022-07-21 12:12:34,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:34,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:12:34,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:35,002 INFO L134 CoverageAnalysis]: Checked inductivity of 581 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 581 trivial. 0 not checked. [2022-07-21 12:12:35,003 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 12:12:35,003 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1771590524] [2022-07-21 12:12:35,003 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1771590524] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 12:12:35,003 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 12:12:35,003 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-21 12:12:35,004 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1614139307] [2022-07-21 12:12:35,004 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 12:12:35,008 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-21 12:12:35,008 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 12:12:35,009 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-21 12:12:35,009 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-07-21 12:12:35,009 INFO L87 Difference]: Start difference. First operand 1139 states and 1697 transitions. Second operand has 6 states, 6 states have (on average 7.5) internal successors, (45), 3 states have internal predecessors, (45), 2 states have call successors, (19), 5 states have call predecessors, (19), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2022-07-21 12:12:39,270 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.57s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 12:12:40,547 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 12:12:40,547 INFO L93 Difference]: Finished difference Result 3363 states and 5041 transitions. [2022-07-21 12:12:40,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-21 12:12:40,548 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.5) internal successors, (45), 3 states have internal predecessors, (45), 2 states have call successors, (19), 5 states have call predecessors, (19), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 221 [2022-07-21 12:12:40,549 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 12:12:40,568 INFO L225 Difference]: With dead ends: 3363 [2022-07-21 12:12:40,569 INFO L226 Difference]: Without dead ends: 2263 [2022-07-21 12:12:40,575 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 77 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2022-07-21 12:12:40,576 INFO L413 NwaCegarLoop]: 1701 mSDtfsCounter, 4040 mSDsluCounter, 1654 mSDsCounter, 0 mSdLazyCounter, 1423 mSolverCounterSat, 1659 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4169 SdHoareTripleChecker+Valid, 3355 SdHoareTripleChecker+Invalid, 3082 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1659 IncrementalHoareTripleChecker+Valid, 1423 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.3s IncrementalHoareTripleChecker+Time [2022-07-21 12:12:40,577 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4169 Valid, 3355 Invalid, 3082 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1659 Valid, 1423 Invalid, 0 Unknown, 0 Unchecked, 5.3s Time] [2022-07-21 12:12:40,582 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2263 states. [2022-07-21 12:12:40,715 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2263 to 2209. [2022-07-21 12:12:40,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2209 states, 1727 states have (on average 1.4522292993630572) internal successors, (2508), 1753 states have internal predecessors, (2508), 400 states have call successors, (400), 82 states have call predecessors, (400), 81 states have return successors, (395), 387 states have call predecessors, (395), 395 states have call successors, (395) [2022-07-21 12:12:40,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2209 states to 2209 states and 3303 transitions. [2022-07-21 12:12:40,741 INFO L78 Accepts]: Start accepts. Automaton has 2209 states and 3303 transitions. Word has length 221 [2022-07-21 12:12:40,745 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 12:12:40,745 INFO L495 AbstractCegarLoop]: Abstraction has 2209 states and 3303 transitions. [2022-07-21 12:12:40,745 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.5) internal successors, (45), 3 states have internal predecessors, (45), 2 states have call successors, (19), 5 states have call predecessors, (19), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2022-07-21 12:12:40,749 INFO L276 IsEmpty]: Start isEmpty. Operand 2209 states and 3303 transitions. [2022-07-21 12:12:40,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2022-07-21 12:12:40,755 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 12:12:40,755 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 12:12:40,756 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-21 12:12:40,756 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 12:12:40,756 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 12:12:40,757 INFO L85 PathProgramCache]: Analyzing trace with hash 2140903287, now seen corresponding path program 1 times [2022-07-21 12:12:40,757 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 12:12:40,757 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [977793825] [2022-07-21 12:12:40,757 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 12:12:40,757 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 12:12:40,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:40,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 12:12:40,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:40,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:12:40,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:40,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:12:40,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:40,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-21 12:12:40,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:40,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:12:40,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:40,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:12:40,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:40,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-21 12:12:41,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:41,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:12:41,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:41,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:12:41,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:41,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-21 12:12:41,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:41,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:12:41,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:41,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:12:41,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:41,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-21 12:12:41,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:41,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:12:41,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:41,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:12:41,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:41,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-21 12:12:41,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:41,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:12:41,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:41,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:12:41,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:41,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-21 12:12:41,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:41,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:12:41,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:41,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:12:41,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:41,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-21 12:12:41,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:41,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:12:41,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:41,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:12:41,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:41,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2022-07-21 12:12:41,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:41,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:12:41,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:41,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-07-21 12:12:41,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:41,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:12:41,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:41,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2022-07-21 12:12:41,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:41,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:12:41,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:41,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2022-07-21 12:12:41,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:41,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:12:41,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:41,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2022-07-21 12:12:41,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:41,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:12:41,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:41,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2022-07-21 12:12:41,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:41,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:12:41,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:41,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2022-07-21 12:12:41,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:41,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:12:41,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:41,202 INFO L134 CoverageAnalysis]: Checked inductivity of 581 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 581 trivial. 0 not checked. [2022-07-21 12:12:41,203 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 12:12:41,203 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [977793825] [2022-07-21 12:12:41,203 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [977793825] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 12:12:41,203 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 12:12:41,204 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-21 12:12:41,204 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1657950136] [2022-07-21 12:12:41,204 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 12:12:41,205 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-21 12:12:41,205 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 12:12:41,205 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-21 12:12:41,205 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-07-21 12:12:41,206 INFO L87 Difference]: Start difference. First operand 2209 states and 3303 transitions. Second operand has 6 states, 6 states have (on average 8.0) internal successors, (48), 3 states have internal predecessors, (48), 3 states have call successors, (19), 5 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-07-21 12:12:43,348 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 12:12:43,348 INFO L93 Difference]: Finished difference Result 2262 states and 3394 transitions. [2022-07-21 12:12:43,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-21 12:12:43,349 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.0) internal successors, (48), 3 states have internal predecessors, (48), 3 states have call successors, (19), 5 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 224 [2022-07-21 12:12:43,350 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 12:12:43,362 INFO L225 Difference]: With dead ends: 2262 [2022-07-21 12:12:43,362 INFO L226 Difference]: Without dead ends: 2259 [2022-07-21 12:12:43,364 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 76 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2022-07-21 12:12:43,367 INFO L413 NwaCegarLoop]: 1555 mSDtfsCounter, 2770 mSDsluCounter, 657 mSDsCounter, 0 mSdLazyCounter, 512 mSolverCounterSat, 919 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2897 SdHoareTripleChecker+Valid, 2212 SdHoareTripleChecker+Invalid, 1431 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 919 IncrementalHoareTripleChecker+Valid, 512 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2022-07-21 12:12:43,370 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2897 Valid, 2212 Invalid, 1431 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [919 Valid, 512 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2022-07-21 12:12:43,373 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2259 states. [2022-07-21 12:12:43,446 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2259 to 2208. [2022-07-21 12:12:43,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2208 states, 1727 states have (on average 1.451650260567458) internal successors, (2507), 1752 states have internal predecessors, (2507), 399 states have call successors, (399), 82 states have call predecessors, (399), 81 states have return successors, (395), 387 states have call predecessors, (395), 395 states have call successors, (395) [2022-07-21 12:12:43,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2208 states to 2208 states and 3301 transitions. [2022-07-21 12:12:43,463 INFO L78 Accepts]: Start accepts. Automaton has 2208 states and 3301 transitions. Word has length 224 [2022-07-21 12:12:43,465 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 12:12:43,465 INFO L495 AbstractCegarLoop]: Abstraction has 2208 states and 3301 transitions. [2022-07-21 12:12:43,465 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.0) internal successors, (48), 3 states have internal predecessors, (48), 3 states have call successors, (19), 5 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-07-21 12:12:43,465 INFO L276 IsEmpty]: Start isEmpty. Operand 2208 states and 3301 transitions. [2022-07-21 12:12:43,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2022-07-21 12:12:43,469 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 12:12:43,469 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 12:12:43,469 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-21 12:12:43,469 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 12:12:43,470 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 12:12:43,470 INFO L85 PathProgramCache]: Analyzing trace with hash 1943191272, now seen corresponding path program 1 times [2022-07-21 12:12:43,470 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 12:12:43,470 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1763594079] [2022-07-21 12:12:43,471 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 12:12:43,471 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 12:12:43,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:43,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 12:12:43,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:43,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:12:43,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:43,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:12:43,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:43,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-21 12:12:43,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:43,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:12:43,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:43,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:12:43,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:43,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-21 12:12:43,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:43,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:12:43,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:43,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:12:43,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:43,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-21 12:12:43,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:43,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:12:43,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:43,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:12:43,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:43,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-21 12:12:43,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:43,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:12:43,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:43,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:12:43,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:43,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-21 12:12:43,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:43,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:12:43,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:43,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:12:43,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:43,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-21 12:12:43,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:43,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:12:43,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:43,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:12:43,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:43,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-21 12:12:43,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:43,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:12:43,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:43,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:12:43,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:43,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2022-07-21 12:12:43,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:43,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:12:43,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:43,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-07-21 12:12:43,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:43,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:12:43,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:43,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2022-07-21 12:12:43,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:43,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:12:43,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:43,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2022-07-21 12:12:43,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:43,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:12:43,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:43,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2022-07-21 12:12:43,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:43,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:12:43,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:43,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2022-07-21 12:12:43,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:43,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:12:43,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:43,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2022-07-21 12:12:43,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:43,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:12:43,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:43,869 INFO L134 CoverageAnalysis]: Checked inductivity of 581 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 581 trivial. 0 not checked. [2022-07-21 12:12:43,869 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 12:12:43,869 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1763594079] [2022-07-21 12:12:43,869 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1763594079] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 12:12:43,869 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 12:12:43,870 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-21 12:12:43,870 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1258051982] [2022-07-21 12:12:43,870 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 12:12:43,870 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-21 12:12:43,870 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 12:12:43,871 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-21 12:12:43,871 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-07-21 12:12:43,871 INFO L87 Difference]: Start difference. First operand 2208 states and 3301 transitions. Second operand has 6 states, 6 states have (on average 8.166666666666666) internal successors, (49), 3 states have internal predecessors, (49), 3 states have call successors, (19), 5 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-07-21 12:12:49,416 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 [] [2022-07-21 12:12:49,673 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 12:12:49,673 INFO L93 Difference]: Finished difference Result 2261 states and 3392 transitions. [2022-07-21 12:12:49,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-21 12:12:49,674 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.166666666666666) internal successors, (49), 3 states have internal predecessors, (49), 3 states have call successors, (19), 5 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 225 [2022-07-21 12:12:49,675 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 12:12:49,688 INFO L225 Difference]: With dead ends: 2261 [2022-07-21 12:12:49,689 INFO L226 Difference]: Without dead ends: 2258 [2022-07-21 12:12:49,691 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 76 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2022-07-21 12:12:49,692 INFO L413 NwaCegarLoop]: 1554 mSDtfsCounter, 2319 mSDsluCounter, 1838 mSDsCounter, 0 mSdLazyCounter, 1338 mSolverCounterSat, 646 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2445 SdHoareTripleChecker+Valid, 3392 SdHoareTripleChecker+Invalid, 1985 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 646 IncrementalHoareTripleChecker+Valid, 1338 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.7s IncrementalHoareTripleChecker+Time [2022-07-21 12:12:49,692 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2445 Valid, 3392 Invalid, 1985 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [646 Valid, 1338 Invalid, 1 Unknown, 0 Unchecked, 5.7s Time] [2022-07-21 12:12:49,696 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2258 states. [2022-07-21 12:12:49,759 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2258 to 2207. [2022-07-21 12:12:49,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2207 states, 1727 states have (on average 1.4510712217718587) internal successors, (2506), 1751 states have internal predecessors, (2506), 398 states have call successors, (398), 82 states have call predecessors, (398), 81 states have return successors, (395), 387 states have call predecessors, (395), 395 states have call successors, (395) [2022-07-21 12:12:49,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2207 states to 2207 states and 3299 transitions. [2022-07-21 12:12:49,775 INFO L78 Accepts]: Start accepts. Automaton has 2207 states and 3299 transitions. Word has length 225 [2022-07-21 12:12:49,775 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 12:12:49,776 INFO L495 AbstractCegarLoop]: Abstraction has 2207 states and 3299 transitions. [2022-07-21 12:12:49,776 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.166666666666666) internal successors, (49), 3 states have internal predecessors, (49), 3 states have call successors, (19), 5 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-07-21 12:12:49,776 INFO L276 IsEmpty]: Start isEmpty. Operand 2207 states and 3299 transitions. [2022-07-21 12:12:49,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2022-07-21 12:12:49,778 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 12:12:49,779 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 12:12:49,779 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-07-21 12:12:49,779 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 12:12:49,779 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 12:12:49,780 INFO L85 PathProgramCache]: Analyzing trace with hash 109090970, now seen corresponding path program 1 times [2022-07-21 12:12:49,780 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 12:12:49,780 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1012753283] [2022-07-21 12:12:49,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 12:12:49,780 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 12:12:49,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:49,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 12:12:49,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:49,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:12:49,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:50,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:12:50,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:50,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-21 12:12:50,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:50,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:12:50,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:50,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:12:50,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:50,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-21 12:12:50,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:50,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:12:50,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:50,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:12:50,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:50,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-21 12:12:50,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:50,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:12:50,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:50,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:12:50,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:50,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-21 12:12:50,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:50,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:12:50,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:50,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:12:50,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:50,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-21 12:12:50,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:50,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:12:50,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:50,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:12:50,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:50,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-21 12:12:50,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:50,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:12:50,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:50,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:12:50,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:50,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-21 12:12:50,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:50,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:12:50,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:50,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:12:50,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:50,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2022-07-21 12:12:50,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:50,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:12:50,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:50,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-07-21 12:12:50,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:50,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:12:50,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:50,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2022-07-21 12:12:50,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:50,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:12:50,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:50,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2022-07-21 12:12:50,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:50,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:12:50,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:50,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2022-07-21 12:12:50,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:50,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:12:50,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:50,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2022-07-21 12:12:50,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:50,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:12:50,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:50,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2022-07-21 12:12:50,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:50,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:12:50,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:50,220 INFO L134 CoverageAnalysis]: Checked inductivity of 581 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 581 trivial. 0 not checked. [2022-07-21 12:12:50,220 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 12:12:50,220 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1012753283] [2022-07-21 12:12:50,221 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1012753283] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 12:12:50,221 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 12:12:50,221 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-21 12:12:50,221 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [801795318] [2022-07-21 12:12:50,221 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 12:12:50,222 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-21 12:12:50,222 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 12:12:50,222 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-21 12:12:50,223 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-07-21 12:12:50,223 INFO L87 Difference]: Start difference. First operand 2207 states and 3299 transitions. Second operand has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 3 states have internal predecessors, (50), 3 states have call successors, (19), 5 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-07-21 12:12:52,667 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 [] [2022-07-21 12:12:54,169 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 12:12:54,169 INFO L93 Difference]: Finished difference Result 2260 states and 3390 transitions. [2022-07-21 12:12:54,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-21 12:12:54,170 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 3 states have internal predecessors, (50), 3 states have call successors, (19), 5 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 226 [2022-07-21 12:12:54,170 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 12:12:54,183 INFO L225 Difference]: With dead ends: 2260 [2022-07-21 12:12:54,183 INFO L226 Difference]: Without dead ends: 2257 [2022-07-21 12:12:54,185 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 76 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2022-07-21 12:12:54,185 INFO L413 NwaCegarLoop]: 1548 mSDtfsCounter, 2764 mSDsluCounter, 658 mSDsCounter, 0 mSdLazyCounter, 509 mSolverCounterSat, 917 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2893 SdHoareTripleChecker+Valid, 2206 SdHoareTripleChecker+Invalid, 1427 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 917 IncrementalHoareTripleChecker+Valid, 509 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.8s IncrementalHoareTripleChecker+Time [2022-07-21 12:12:54,186 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2893 Valid, 2206 Invalid, 1427 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [917 Valid, 509 Invalid, 1 Unknown, 0 Unchecked, 3.8s Time] [2022-07-21 12:12:54,189 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2257 states. [2022-07-21 12:12:54,253 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2257 to 2206. [2022-07-21 12:12:54,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2206 states, 1727 states have (on average 1.4504921829762594) internal successors, (2505), 1750 states have internal predecessors, (2505), 397 states have call successors, (397), 82 states have call predecessors, (397), 81 states have return successors, (395), 387 states have call predecessors, (395), 395 states have call successors, (395) [2022-07-21 12:12:54,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2206 states to 2206 states and 3297 transitions. [2022-07-21 12:12:54,270 INFO L78 Accepts]: Start accepts. Automaton has 2206 states and 3297 transitions. Word has length 226 [2022-07-21 12:12:54,270 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 12:12:54,270 INFO L495 AbstractCegarLoop]: Abstraction has 2206 states and 3297 transitions. [2022-07-21 12:12:54,271 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 3 states have internal predecessors, (50), 3 states have call successors, (19), 5 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-07-21 12:12:54,271 INFO L276 IsEmpty]: Start isEmpty. Operand 2206 states and 3297 transitions. [2022-07-21 12:12:54,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 228 [2022-07-21 12:12:54,275 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 12:12:54,276 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 12:12:54,276 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-07-21 12:12:54,276 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 12:12:54,276 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 12:12:54,277 INFO L85 PathProgramCache]: Analyzing trace with hash -913438677, now seen corresponding path program 1 times [2022-07-21 12:12:54,277 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 12:12:54,277 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [633679045] [2022-07-21 12:12:54,277 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 12:12:54,277 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 12:12:54,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:54,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 12:12:54,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:54,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:12:54,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:54,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:12:54,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:54,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-21 12:12:54,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:54,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:12:54,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:54,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:12:54,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:54,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-21 12:12:54,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:54,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:12:54,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:54,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:12:54,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:54,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-21 12:12:54,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:54,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:12:54,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:54,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:12:54,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:54,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-21 12:12:54,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:54,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:12:54,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:54,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:12:54,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:54,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-21 12:12:54,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:54,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:12:54,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:54,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:12:54,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:54,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-21 12:12:54,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:54,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:12:54,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:54,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:12:54,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:54,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-21 12:12:54,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:54,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:12:54,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:54,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:12:54,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:54,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2022-07-21 12:12:54,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:54,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:12:54,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:54,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-07-21 12:12:54,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:54,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:12:54,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:54,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2022-07-21 12:12:54,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:54,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:12:54,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:54,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2022-07-21 12:12:54,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:54,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:12:54,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:54,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2022-07-21 12:12:54,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:54,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:12:54,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:54,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2022-07-21 12:12:54,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:54,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:12:54,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:54,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2022-07-21 12:12:54,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:54,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:12:54,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:12:54,674 INFO L134 CoverageAnalysis]: Checked inductivity of 581 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 581 trivial. 0 not checked. [2022-07-21 12:12:54,674 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 12:12:54,674 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [633679045] [2022-07-21 12:12:54,674 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [633679045] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 12:12:54,675 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 12:12:54,675 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-21 12:12:54,675 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [355597362] [2022-07-21 12:12:54,675 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 12:12:54,676 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-21 12:12:54,676 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 12:12:54,677 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-21 12:12:54,677 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-07-21 12:12:54,677 INFO L87 Difference]: Start difference. First operand 2206 states and 3297 transitions. Second operand has 6 states, 6 states have (on average 8.5) internal successors, (51), 3 states have internal predecessors, (51), 3 states have call successors, (19), 5 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-07-21 12:13:03,272 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 [] [2022-07-21 12:13:03,558 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 12:13:03,558 INFO L93 Difference]: Finished difference Result 4438 states and 6670 transitions. [2022-07-21 12:13:03,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-21 12:13:03,559 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.5) internal successors, (51), 3 states have internal predecessors, (51), 3 states have call successors, (19), 5 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 227 [2022-07-21 12:13:03,559 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 12:13:03,584 INFO L225 Difference]: With dead ends: 4438 [2022-07-21 12:13:03,584 INFO L226 Difference]: Without dead ends: 4427 [2022-07-21 12:13:03,588 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 77 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2022-07-21 12:13:03,589 INFO L413 NwaCegarLoop]: 1688 mSDtfsCounter, 3168 mSDsluCounter, 2812 mSDsCounter, 0 mSdLazyCounter, 2477 mSolverCounterSat, 1134 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3293 SdHoareTripleChecker+Valid, 4500 SdHoareTripleChecker+Invalid, 3612 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1134 IncrementalHoareTripleChecker+Valid, 2477 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.7s IncrementalHoareTripleChecker+Time [2022-07-21 12:13:03,589 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3293 Valid, 4500 Invalid, 3612 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1134 Valid, 2477 Invalid, 1 Unknown, 0 Unchecked, 8.7s Time] [2022-07-21 12:13:03,594 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4427 states. [2022-07-21 12:13:03,726 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4427 to 4328. [2022-07-21 12:13:03,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4328 states, 3400 states have (on average 1.455) internal successors, (4947), 3443 states have internal predecessors, (4947), 770 states have call successors, (770), 160 states have call predecessors, (770), 157 states have return successors, (768), 750 states have call predecessors, (768), 768 states have call successors, (768) [2022-07-21 12:13:03,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4328 states to 4328 states and 6485 transitions. [2022-07-21 12:13:03,752 INFO L78 Accepts]: Start accepts. Automaton has 4328 states and 6485 transitions. Word has length 227 [2022-07-21 12:13:03,753 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 12:13:03,753 INFO L495 AbstractCegarLoop]: Abstraction has 4328 states and 6485 transitions. [2022-07-21 12:13:03,753 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.5) internal successors, (51), 3 states have internal predecessors, (51), 3 states have call successors, (19), 5 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-07-21 12:13:03,753 INFO L276 IsEmpty]: Start isEmpty. Operand 4328 states and 6485 transitions. [2022-07-21 12:13:03,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 334 [2022-07-21 12:13:03,769 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 12:13:03,769 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 3, 3, 3, 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] [2022-07-21 12:13:03,770 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-07-21 12:13:03,770 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 12:13:03,770 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 12:13:03,770 INFO L85 PathProgramCache]: Analyzing trace with hash -1626368121, now seen corresponding path program 1 times [2022-07-21 12:13:03,771 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 12:13:03,771 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [415190935] [2022-07-21 12:13:03,771 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 12:13:03,771 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 12:13:03,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:04,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 12:13:04,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:04,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:13:04,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:04,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:13:04,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:04,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-21 12:13:04,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:04,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:13:04,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:04,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:13:04,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:04,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-21 12:13:04,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:04,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:13:04,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:04,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:13:04,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:04,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-21 12:13:04,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:04,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:13:04,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:04,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:13:04,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:04,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-21 12:13:04,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:04,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:13:04,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:04,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:13:04,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:04,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-21 12:13:04,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:04,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:13:04,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:04,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:13:04,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:04,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-21 12:13:04,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:04,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:13:04,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:04,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:13:04,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:04,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-21 12:13:04,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:04,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:13:04,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:04,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:13:04,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:04,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2022-07-21 12:13:04,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:04,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:13:04,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:04,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-07-21 12:13:04,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:04,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:13:04,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:04,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2022-07-21 12:13:04,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:04,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:13:04,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:04,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2022-07-21 12:13:04,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:04,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:13:04,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:04,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2022-07-21 12:13:04,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:04,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:13:04,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:04,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2022-07-21 12:13:04,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:04,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:13:04,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:04,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2022-07-21 12:13:04,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:04,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:13:04,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:04,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2022-07-21 12:13:04,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:04,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2022-07-21 12:13:04,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:04,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2022-07-21 12:13:04,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:04,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-07-21 12:13:04,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:04,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:13:04,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:04,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-21 12:13:04,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:04,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2022-07-21 12:13:04,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:04,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 291 [2022-07-21 12:13:04,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:04,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 297 [2022-07-21 12:13:04,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:04,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 308 [2022-07-21 12:13:04,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:04,258 INFO L134 CoverageAnalysis]: Checked inductivity of 596 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 593 trivial. 0 not checked. [2022-07-21 12:13:04,258 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 12:13:04,258 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [415190935] [2022-07-21 12:13:04,258 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [415190935] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 12:13:04,258 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 12:13:04,258 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-21 12:13:04,259 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2090799673] [2022-07-21 12:13:04,259 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 12:13:04,259 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-21 12:13:04,259 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 12:13:04,260 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-21 12:13:04,260 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-07-21 12:13:04,260 INFO L87 Difference]: Start difference. First operand 4328 states and 6485 transitions. Second operand has 7 states, 7 states have (on average 18.714285714285715) internal successors, (131), 3 states have internal predecessors, (131), 2 states have call successors, (29), 6 states have call predecessors, (29), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2022-07-21 12:13:09,722 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 12:13:09,722 INFO L93 Difference]: Finished difference Result 8907 states and 13355 transitions. [2022-07-21 12:13:09,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-07-21 12:13:09,723 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 18.714285714285715) internal successors, (131), 3 states have internal predecessors, (131), 2 states have call successors, (29), 6 states have call predecessors, (29), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 333 [2022-07-21 12:13:09,723 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 12:13:09,749 INFO L225 Difference]: With dead ends: 8907 [2022-07-21 12:13:09,750 INFO L226 Difference]: Without dead ends: 4618 [2022-07-21 12:13:09,769 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 98 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=55, Invalid=101, Unknown=0, NotChecked=0, Total=156 [2022-07-21 12:13:09,770 INFO L413 NwaCegarLoop]: 1538 mSDtfsCounter, 1589 mSDsluCounter, 2589 mSDsCounter, 0 mSdLazyCounter, 2171 mSolverCounterSat, 856 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1634 SdHoareTripleChecker+Valid, 4127 SdHoareTripleChecker+Invalid, 3027 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 856 IncrementalHoareTripleChecker+Valid, 2171 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.2s IncrementalHoareTripleChecker+Time [2022-07-21 12:13:09,771 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1634 Valid, 4127 Invalid, 3027 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [856 Valid, 2171 Invalid, 0 Unknown, 0 Unchecked, 5.2s Time] [2022-07-21 12:13:09,776 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4618 states. [2022-07-21 12:13:09,934 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4618 to 4506. [2022-07-21 12:13:09,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4506 states, 3552 states have (on average 1.4538288288288288) internal successors, (5164), 3595 states have internal predecessors, (5164), 788 states have call successors, (788), 168 states have call predecessors, (788), 165 states have return successors, (786), 768 states have call predecessors, (786), 786 states have call successors, (786) [2022-07-21 12:13:09,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4506 states to 4506 states and 6738 transitions. [2022-07-21 12:13:09,967 INFO L78 Accepts]: Start accepts. Automaton has 4506 states and 6738 transitions. Word has length 333 [2022-07-21 12:13:09,967 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 12:13:09,967 INFO L495 AbstractCegarLoop]: Abstraction has 4506 states and 6738 transitions. [2022-07-21 12:13:09,968 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 18.714285714285715) internal successors, (131), 3 states have internal predecessors, (131), 2 states have call successors, (29), 6 states have call predecessors, (29), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2022-07-21 12:13:09,969 INFO L276 IsEmpty]: Start isEmpty. Operand 4506 states and 6738 transitions. [2022-07-21 12:13:09,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 359 [2022-07-21 12:13:09,987 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 12:13:09,987 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 7, 7, 7, 7, 7, 7, 7, 7, 3, 3, 3, 3, 3, 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] [2022-07-21 12:13:09,988 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-07-21 12:13:09,988 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 12:13:09,988 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 12:13:09,989 INFO L85 PathProgramCache]: Analyzing trace with hash 1305229095, now seen corresponding path program 1 times [2022-07-21 12:13:09,989 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 12:13:09,989 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1157705119] [2022-07-21 12:13:09,989 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 12:13:09,989 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 12:13:10,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:10,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 12:13:10,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:10,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:13:10,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:10,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:13:10,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:10,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-21 12:13:10,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:10,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:13:10,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:10,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:13:10,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:10,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-21 12:13:10,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:10,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:13:10,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:10,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:13:10,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:10,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-21 12:13:10,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:10,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:13:10,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:10,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:13:10,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:10,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-21 12:13:10,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:10,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:13:10,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:10,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:13:10,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:10,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-21 12:13:10,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:10,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:13:10,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:10,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:13:10,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:10,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-21 12:13:10,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:10,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:13:10,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:10,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:13:10,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:10,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-21 12:13:10,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:10,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:13:10,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:10,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:13:10,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:10,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2022-07-21 12:13:10,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:10,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:13:10,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:10,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-07-21 12:13:10,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:10,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:13:10,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:10,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2022-07-21 12:13:10,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:10,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:13:10,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:10,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2022-07-21 12:13:10,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:10,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:13:10,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:10,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2022-07-21 12:13:10,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:10,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:13:10,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:10,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2022-07-21 12:13:10,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:10,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:13:10,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:10,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2022-07-21 12:13:10,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:10,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:13:10,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:10,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2022-07-21 12:13:10,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:10,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:13:10,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:10,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:13:10,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:10,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2022-07-21 12:13:10,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:10,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-21 12:13:10,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:10,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2022-07-21 12:13:10,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:10,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2022-07-21 12:13:10,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:10,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:13:10,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:10,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2022-07-21 12:13:10,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:10,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2022-07-21 12:13:10,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:10,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 319 [2022-07-21 12:13:10,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:10,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 325 [2022-07-21 12:13:10,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:10,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 336 [2022-07-21 12:13:10,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:10,452 INFO L134 CoverageAnalysis]: Checked inductivity of 716 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 708 trivial. 0 not checked. [2022-07-21 12:13:10,452 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 12:13:10,452 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1157705119] [2022-07-21 12:13:10,452 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1157705119] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 12:13:10,453 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 12:13:10,453 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-21 12:13:10,453 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1975125740] [2022-07-21 12:13:10,453 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 12:13:10,454 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-21 12:13:10,454 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 12:13:10,454 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-21 12:13:10,454 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-07-21 12:13:10,468 INFO L87 Difference]: Start difference. First operand 4506 states and 6738 transitions. Second operand has 7 states, 7 states have (on average 19.857142857142858) internal successors, (139), 3 states have internal predecessors, (139), 2 states have call successors, (30), 6 states have call predecessors, (30), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2022-07-21 12:13:14,726 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 12:13:14,726 INFO L93 Difference]: Finished difference Result 9061 states and 13586 transitions. [2022-07-21 12:13:14,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-21 12:13:14,727 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 19.857142857142858) internal successors, (139), 3 states have internal predecessors, (139), 2 states have call successors, (30), 6 states have call predecessors, (30), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) Word has length 358 [2022-07-21 12:13:14,728 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 12:13:14,755 INFO L225 Difference]: With dead ends: 9061 [2022-07-21 12:13:14,756 INFO L226 Difference]: Without dead ends: 4612 [2022-07-21 12:13:14,775 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 102 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2022-07-21 12:13:14,776 INFO L413 NwaCegarLoop]: 1521 mSDtfsCounter, 1441 mSDsluCounter, 2704 mSDsCounter, 0 mSdLazyCounter, 2063 mSolverCounterSat, 819 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1464 SdHoareTripleChecker+Valid, 4225 SdHoareTripleChecker+Invalid, 2882 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 819 IncrementalHoareTripleChecker+Valid, 2063 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.0s IncrementalHoareTripleChecker+Time [2022-07-21 12:13:14,776 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1464 Valid, 4225 Invalid, 2882 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [819 Valid, 2063 Invalid, 0 Unknown, 0 Unchecked, 4.0s Time] [2022-07-21 12:13:14,782 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4612 states. [2022-07-21 12:13:14,924 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4612 to 4510. [2022-07-21 12:13:14,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4510 states, 3556 states have (on average 1.453318335208099) internal successors, (5168), 3599 states have internal predecessors, (5168), 788 states have call successors, (788), 168 states have call predecessors, (788), 165 states have return successors, (786), 768 states have call predecessors, (786), 786 states have call successors, (786) [2022-07-21 12:13:14,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4510 states to 4510 states and 6742 transitions. [2022-07-21 12:13:15,000 INFO L78 Accepts]: Start accepts. Automaton has 4510 states and 6742 transitions. Word has length 358 [2022-07-21 12:13:15,002 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 12:13:15,002 INFO L495 AbstractCegarLoop]: Abstraction has 4510 states and 6742 transitions. [2022-07-21 12:13:15,002 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 19.857142857142858) internal successors, (139), 3 states have internal predecessors, (139), 2 states have call successors, (30), 6 states have call predecessors, (30), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2022-07-21 12:13:15,002 INFO L276 IsEmpty]: Start isEmpty. Operand 4510 states and 6742 transitions. [2022-07-21 12:13:15,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 359 [2022-07-21 12:13:15,020 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 12:13:15,020 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 7, 7, 7, 7, 7, 7, 7, 7, 3, 3, 3, 3, 3, 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] [2022-07-21 12:13:15,020 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-07-21 12:13:15,021 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 12:13:15,022 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 12:13:15,022 INFO L85 PathProgramCache]: Analyzing trace with hash 248497893, now seen corresponding path program 1 times [2022-07-21 12:13:15,022 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 12:13:15,022 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1387105632] [2022-07-21 12:13:15,022 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 12:13:15,023 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 12:13:15,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:15,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 12:13:15,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:15,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:13:15,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:15,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:13:15,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:15,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-21 12:13:15,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:15,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:13:15,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:15,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:13:15,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:15,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-21 12:13:15,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:15,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:13:15,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:15,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:13:15,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:15,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-21 12:13:15,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:15,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:13:15,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:15,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:13:15,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:15,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-21 12:13:15,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:15,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:13:15,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:15,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:13:15,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:15,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-21 12:13:15,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:15,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:13:15,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:15,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:13:15,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:15,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-21 12:13:15,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:15,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:13:15,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:15,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:13:15,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:15,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-21 12:13:15,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:15,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:13:15,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:15,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:13:15,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:15,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2022-07-21 12:13:15,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:15,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:13:15,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:15,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-07-21 12:13:15,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:15,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:13:15,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:15,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2022-07-21 12:13:15,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:15,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:13:15,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:15,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2022-07-21 12:13:15,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:15,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:13:15,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:15,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2022-07-21 12:13:15,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:15,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:13:15,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:15,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2022-07-21 12:13:15,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:15,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:13:15,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:15,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2022-07-21 12:13:15,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:15,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:13:15,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:15,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2022-07-21 12:13:15,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:15,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:13:15,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:15,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:13:15,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:15,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2022-07-21 12:13:15,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:15,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-21 12:13:15,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:15,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2022-07-21 12:13:15,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:15,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2022-07-21 12:13:15,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:15,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:13:15,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:15,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2022-07-21 12:13:15,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:15,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2022-07-21 12:13:15,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:15,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 319 [2022-07-21 12:13:15,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:15,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 325 [2022-07-21 12:13:15,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:15,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 336 [2022-07-21 12:13:15,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:15,523 INFO L134 CoverageAnalysis]: Checked inductivity of 716 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 708 trivial. 0 not checked. [2022-07-21 12:13:15,523 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 12:13:15,524 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1387105632] [2022-07-21 12:13:15,524 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1387105632] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 12:13:15,524 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 12:13:15,524 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-21 12:13:15,524 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [855404943] [2022-07-21 12:13:15,524 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 12:13:15,525 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-07-21 12:13:15,525 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 12:13:15,526 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-07-21 12:13:15,526 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2022-07-21 12:13:15,527 INFO L87 Difference]: Start difference. First operand 4510 states and 6742 transitions. Second operand has 8 states, 8 states have (on average 17.375) internal successors, (139), 4 states have internal predecessors, (139), 2 states have call successors, (30), 6 states have call predecessors, (30), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2022-07-21 12:13:24,680 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 [] [2022-07-21 12:13:24,941 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 12:13:24,941 INFO L93 Difference]: Finished difference Result 11727 states and 18018 transitions. [2022-07-21 12:13:24,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-21 12:13:24,942 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 17.375) internal successors, (139), 4 states have internal predecessors, (139), 2 states have call successors, (30), 6 states have call predecessors, (30), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) Word has length 358 [2022-07-21 12:13:24,943 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 12:13:24,984 INFO L225 Difference]: With dead ends: 11727 [2022-07-21 12:13:24,984 INFO L226 Difference]: Without dead ends: 7274 [2022-07-21 12:13:25,007 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2022-07-21 12:13:25,008 INFO L413 NwaCegarLoop]: 2108 mSDtfsCounter, 2481 mSDsluCounter, 5201 mSDsCounter, 0 mSdLazyCounter, 3624 mSolverCounterSat, 961 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2630 SdHoareTripleChecker+Valid, 7309 SdHoareTripleChecker+Invalid, 4586 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 961 IncrementalHoareTripleChecker+Valid, 3624 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.1s IncrementalHoareTripleChecker+Time [2022-07-21 12:13:25,008 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2630 Valid, 7309 Invalid, 4586 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [961 Valid, 3624 Invalid, 1 Unknown, 0 Unchecked, 9.1s Time] [2022-07-21 12:13:25,016 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7274 states. [2022-07-21 12:13:25,278 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7274 to 4518. [2022-07-21 12:13:25,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4518 states, 3564 states have (on average 1.452300785634119) internal successors, (5176), 3607 states have internal predecessors, (5176), 788 states have call successors, (788), 168 states have call predecessors, (788), 165 states have return successors, (786), 768 states have call predecessors, (786), 786 states have call successors, (786) [2022-07-21 12:13:25,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4518 states to 4518 states and 6750 transitions. [2022-07-21 12:13:25,299 INFO L78 Accepts]: Start accepts. Automaton has 4518 states and 6750 transitions. Word has length 358 [2022-07-21 12:13:25,300 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 12:13:25,300 INFO L495 AbstractCegarLoop]: Abstraction has 4518 states and 6750 transitions. [2022-07-21 12:13:25,300 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 17.375) internal successors, (139), 4 states have internal predecessors, (139), 2 states have call successors, (30), 6 states have call predecessors, (30), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2022-07-21 12:13:25,300 INFO L276 IsEmpty]: Start isEmpty. Operand 4518 states and 6750 transitions. [2022-07-21 12:13:25,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 378 [2022-07-21 12:13:25,316 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 12:13:25,316 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 7, 7, 7, 7, 7, 7, 7, 7, 3, 3, 3, 3, 3, 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] [2022-07-21 12:13:25,316 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-07-21 12:13:25,317 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 12:13:25,317 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 12:13:25,317 INFO L85 PathProgramCache]: Analyzing trace with hash -502414417, now seen corresponding path program 1 times [2022-07-21 12:13:25,317 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 12:13:25,318 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [720011178] [2022-07-21 12:13:25,318 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 12:13:25,318 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 12:13:25,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:25,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 12:13:25,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:25,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:13:25,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:25,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:13:25,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:25,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-21 12:13:25,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:25,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:13:25,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:25,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:13:25,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:25,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-21 12:13:25,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:25,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:13:25,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:25,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:13:25,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:25,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-21 12:13:25,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:25,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:13:25,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:25,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:13:25,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:25,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-21 12:13:25,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:25,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:13:25,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:25,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:13:25,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:25,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-21 12:13:25,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:25,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:13:25,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:25,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:13:25,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:25,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-21 12:13:25,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:25,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:13:25,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:25,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:13:25,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:25,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-21 12:13:25,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:25,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:13:25,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:25,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:13:25,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:25,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2022-07-21 12:13:25,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:25,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:13:25,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:25,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-07-21 12:13:25,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:25,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:13:25,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:25,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2022-07-21 12:13:25,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:25,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:13:25,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:25,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2022-07-21 12:13:25,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:25,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:13:25,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:25,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2022-07-21 12:13:25,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:25,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:13:25,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:25,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2022-07-21 12:13:25,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:25,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:13:25,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:25,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2022-07-21 12:13:25,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:25,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:13:25,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:25,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2022-07-21 12:13:25,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:25,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:13:25,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:25,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:13:25,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:25,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2022-07-21 12:13:25,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:25,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-21 12:13:25,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:25,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2022-07-21 12:13:25,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:25,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2022-07-21 12:13:25,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:25,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:13:25,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:25,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2022-07-21 12:13:25,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:25,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 324 [2022-07-21 12:13:25,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:25,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 338 [2022-07-21 12:13:25,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:25,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2022-07-21 12:13:25,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:25,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2022-07-21 12:13:25,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:25,806 INFO L134 CoverageAnalysis]: Checked inductivity of 716 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 708 trivial. 0 not checked. [2022-07-21 12:13:25,806 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 12:13:25,806 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [720011178] [2022-07-21 12:13:25,806 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [720011178] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 12:13:25,806 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 12:13:25,806 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-21 12:13:25,807 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1864185501] [2022-07-21 12:13:25,807 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 12:13:25,807 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-07-21 12:13:25,808 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 12:13:25,808 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-07-21 12:13:25,808 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2022-07-21 12:13:25,808 INFO L87 Difference]: Start difference. First operand 4518 states and 6750 transitions. Second operand has 8 states, 8 states have (on average 19.75) internal successors, (158), 4 states have internal predecessors, (158), 2 states have call successors, (30), 6 states have call predecessors, (30), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2022-07-21 12:13:32,866 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 [] [2022-07-21 12:13:33,436 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 12:13:33,437 INFO L93 Difference]: Finished difference Result 11745 states and 18016 transitions. [2022-07-21 12:13:33,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-07-21 12:13:33,437 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 19.75) internal successors, (158), 4 states have internal predecessors, (158), 2 states have call successors, (30), 6 states have call predecessors, (30), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) Word has length 377 [2022-07-21 12:13:33,438 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 12:13:33,469 INFO L225 Difference]: With dead ends: 11745 [2022-07-21 12:13:33,470 INFO L226 Difference]: Without dead ends: 7284 [2022-07-21 12:13:33,485 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2022-07-21 12:13:33,486 INFO L413 NwaCegarLoop]: 2148 mSDtfsCounter, 2915 mSDsluCounter, 4306 mSDsCounter, 0 mSdLazyCounter, 2902 mSolverCounterSat, 1207 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3023 SdHoareTripleChecker+Valid, 6454 SdHoareTripleChecker+Invalid, 4110 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1207 IncrementalHoareTripleChecker+Valid, 2902 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.2s IncrementalHoareTripleChecker+Time [2022-07-21 12:13:33,486 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3023 Valid, 6454 Invalid, 4110 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1207 Valid, 2902 Invalid, 1 Unknown, 0 Unchecked, 7.2s Time] [2022-07-21 12:13:33,491 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7284 states. [2022-07-21 12:13:33,727 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7284 to 4526. [2022-07-21 12:13:33,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4526 states, 3572 states have (on average 1.4512877939529676) internal successors, (5184), 3615 states have internal predecessors, (5184), 788 states have call successors, (788), 168 states have call predecessors, (788), 165 states have return successors, (786), 768 states have call predecessors, (786), 786 states have call successors, (786) [2022-07-21 12:13:33,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4526 states to 4526 states and 6758 transitions. [2022-07-21 12:13:33,749 INFO L78 Accepts]: Start accepts. Automaton has 4526 states and 6758 transitions. Word has length 377 [2022-07-21 12:13:33,750 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 12:13:33,750 INFO L495 AbstractCegarLoop]: Abstraction has 4526 states and 6758 transitions. [2022-07-21 12:13:33,750 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 19.75) internal successors, (158), 4 states have internal predecessors, (158), 2 states have call successors, (30), 6 states have call predecessors, (30), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2022-07-21 12:13:33,750 INFO L276 IsEmpty]: Start isEmpty. Operand 4526 states and 6758 transitions. [2022-07-21 12:13:33,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 379 [2022-07-21 12:13:33,762 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 12:13:33,762 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 7, 7, 7, 7, 7, 7, 7, 7, 3, 3, 3, 3, 3, 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] [2022-07-21 12:13:33,762 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-07-21 12:13:33,763 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 12:13:33,763 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 12:13:33,763 INFO L85 PathProgramCache]: Analyzing trace with hash 1365836942, now seen corresponding path program 1 times [2022-07-21 12:13:33,764 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 12:13:33,764 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1799406719] [2022-07-21 12:13:33,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 12:13:33,764 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 12:13:33,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:33,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 12:13:33,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:33,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:13:33,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:33,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:13:33,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:33,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-21 12:13:33,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:33,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:13:33,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:33,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:13:33,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:33,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-21 12:13:33,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:33,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:13:33,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:33,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:13:33,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:33,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-21 12:13:33,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:33,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:13:33,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:33,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:13:33,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:33,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-21 12:13:34,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:34,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:13:34,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:34,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:13:34,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:34,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-21 12:13:34,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:34,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:13:34,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:34,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:13:34,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:34,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-21 12:13:34,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:34,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:13:34,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:34,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:13:34,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:34,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-21 12:13:34,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:34,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:13:34,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:34,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:13:34,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:34,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2022-07-21 12:13:34,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:34,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:13:34,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:34,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-07-21 12:13:34,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:34,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:13:34,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:34,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2022-07-21 12:13:34,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:34,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:13:34,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:34,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2022-07-21 12:13:34,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:34,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:13:34,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:34,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2022-07-21 12:13:34,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:34,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:13:34,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:34,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2022-07-21 12:13:34,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:34,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:13:34,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:34,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2022-07-21 12:13:34,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:34,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:13:34,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:34,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2022-07-21 12:13:34,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:34,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:13:34,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:34,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:13:34,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:34,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2022-07-21 12:13:34,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:34,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-21 12:13:34,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:34,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2022-07-21 12:13:34,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:34,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2022-07-21 12:13:34,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:34,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:13:34,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:34,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2022-07-21 12:13:34,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:34,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 325 [2022-07-21 12:13:34,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:34,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 339 [2022-07-21 12:13:34,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:34,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 345 [2022-07-21 12:13:34,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:34,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 356 [2022-07-21 12:13:34,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:34,154 INFO L134 CoverageAnalysis]: Checked inductivity of 716 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 708 trivial. 0 not checked. [2022-07-21 12:13:34,154 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 12:13:34,155 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1799406719] [2022-07-21 12:13:34,155 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1799406719] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 12:13:34,155 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 12:13:34,155 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-21 12:13:34,155 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [914213938] [2022-07-21 12:13:34,155 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 12:13:34,156 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-21 12:13:34,156 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 12:13:34,157 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-21 12:13:34,157 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-07-21 12:13:34,157 INFO L87 Difference]: Start difference. First operand 4526 states and 6758 transitions. Second operand has 7 states, 7 states have (on average 22.714285714285715) internal successors, (159), 3 states have internal predecessors, (159), 2 states have call successors, (30), 6 states have call predecessors, (30), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2022-07-21 12:13:36,945 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.56s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 12:13:40,826 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 12:13:40,826 INFO L93 Difference]: Finished difference Result 9101 states and 13626 transitions. [2022-07-21 12:13:40,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-21 12:13:40,827 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 22.714285714285715) internal successors, (159), 3 states have internal predecessors, (159), 2 states have call successors, (30), 6 states have call predecessors, (30), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) Word has length 378 [2022-07-21 12:13:40,827 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 12:13:40,847 INFO L225 Difference]: With dead ends: 9101 [2022-07-21 12:13:40,847 INFO L226 Difference]: Without dead ends: 4632 [2022-07-21 12:13:40,864 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 102 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2022-07-21 12:13:40,865 INFO L413 NwaCegarLoop]: 1521 mSDtfsCounter, 1436 mSDsluCounter, 3220 mSDsCounter, 0 mSdLazyCounter, 2546 mSolverCounterSat, 804 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1459 SdHoareTripleChecker+Valid, 4741 SdHoareTripleChecker+Invalid, 3350 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 804 IncrementalHoareTripleChecker+Valid, 2546 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.4s IncrementalHoareTripleChecker+Time [2022-07-21 12:13:40,865 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1459 Valid, 4741 Invalid, 3350 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [804 Valid, 2546 Invalid, 0 Unknown, 0 Unchecked, 6.4s Time] [2022-07-21 12:13:40,871 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4632 states. [2022-07-21 12:13:41,083 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4632 to 4530. [2022-07-21 12:13:41,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4530 states, 3576 states have (on average 1.4507829977628635) internal successors, (5188), 3619 states have internal predecessors, (5188), 788 states have call successors, (788), 168 states have call predecessors, (788), 165 states have return successors, (786), 768 states have call predecessors, (786), 786 states have call successors, (786) [2022-07-21 12:13:41,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4530 states to 4530 states and 6762 transitions. [2022-07-21 12:13:41,106 INFO L78 Accepts]: Start accepts. Automaton has 4530 states and 6762 transitions. Word has length 378 [2022-07-21 12:13:41,106 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 12:13:41,106 INFO L495 AbstractCegarLoop]: Abstraction has 4530 states and 6762 transitions. [2022-07-21 12:13:41,106 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 22.714285714285715) internal successors, (159), 3 states have internal predecessors, (159), 2 states have call successors, (30), 6 states have call predecessors, (30), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2022-07-21 12:13:41,107 INFO L276 IsEmpty]: Start isEmpty. Operand 4530 states and 6762 transitions. [2022-07-21 12:13:41,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 379 [2022-07-21 12:13:41,118 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 12:13:41,118 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 7, 7, 7, 7, 7, 7, 7, 7, 3, 3, 3, 3, 3, 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] [2022-07-21 12:13:41,118 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-07-21 12:13:41,118 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 12:13:41,119 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 12:13:41,119 INFO L85 PathProgramCache]: Analyzing trace with hash -1020672564, now seen corresponding path program 1 times [2022-07-21 12:13:41,119 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 12:13:41,119 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [176584018] [2022-07-21 12:13:41,119 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 12:13:41,119 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 12:13:41,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:41,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 12:13:41,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:41,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:13:41,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:41,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:13:41,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:41,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-21 12:13:41,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:41,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:13:41,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:41,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:13:41,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:41,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-21 12:13:41,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:41,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:13:41,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:41,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:13:41,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:41,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-21 12:13:41,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:41,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:13:41,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:41,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:13:41,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:41,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-21 12:13:41,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:41,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:13:41,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:41,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:13:41,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:41,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-21 12:13:41,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:41,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:13:41,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:41,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:13:41,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:41,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-21 12:13:41,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:41,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:13:41,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:41,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:13:41,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:41,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-21 12:13:41,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:41,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:13:41,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:41,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:13:41,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:41,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2022-07-21 12:13:41,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:41,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:13:41,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:41,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-07-21 12:13:41,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:41,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:13:41,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:41,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2022-07-21 12:13:41,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:41,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:13:41,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:41,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2022-07-21 12:13:41,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:41,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:13:41,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:41,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2022-07-21 12:13:41,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:41,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:13:41,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:41,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2022-07-21 12:13:41,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:41,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:13:41,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:41,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2022-07-21 12:13:41,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:41,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:13:41,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:41,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2022-07-21 12:13:41,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:41,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:13:41,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:41,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:13:41,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:41,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2022-07-21 12:13:41,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:41,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-21 12:13:41,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:41,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2022-07-21 12:13:41,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:41,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2022-07-21 12:13:41,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:41,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:13:41,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:41,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2022-07-21 12:13:41,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:41,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 325 [2022-07-21 12:13:41,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:41,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 339 [2022-07-21 12:13:41,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:41,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 345 [2022-07-21 12:13:41,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:41,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 356 [2022-07-21 12:13:41,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:41,550 INFO L134 CoverageAnalysis]: Checked inductivity of 716 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 708 trivial. 0 not checked. [2022-07-21 12:13:41,551 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 12:13:41,551 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [176584018] [2022-07-21 12:13:41,551 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [176584018] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 12:13:41,551 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 12:13:41,551 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-21 12:13:41,552 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [233880222] [2022-07-21 12:13:41,552 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 12:13:41,552 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-21 12:13:41,552 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 12:13:41,553 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-21 12:13:41,553 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-07-21 12:13:41,553 INFO L87 Difference]: Start difference. First operand 4530 states and 6762 transitions. Second operand has 7 states, 7 states have (on average 22.714285714285715) internal successors, (159), 3 states have internal predecessors, (159), 2 states have call successors, (30), 6 states have call predecessors, (30), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2022-07-21 12:13:48,393 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 12:13:48,393 INFO L93 Difference]: Finished difference Result 11555 states and 17605 transitions. [2022-07-21 12:13:48,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-21 12:13:48,394 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 22.714285714285715) internal successors, (159), 3 states have internal predecessors, (159), 2 states have call successors, (30), 6 states have call predecessors, (30), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) Word has length 378 [2022-07-21 12:13:48,395 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 12:13:48,434 INFO L225 Difference]: With dead ends: 11555 [2022-07-21 12:13:48,434 INFO L226 Difference]: Without dead ends: 7082 [2022-07-21 12:13:48,457 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 102 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2022-07-21 12:13:48,458 INFO L413 NwaCegarLoop]: 2178 mSDtfsCounter, 2149 mSDsluCounter, 3869 mSDsCounter, 0 mSdLazyCounter, 2708 mSolverCounterSat, 918 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2297 SdHoareTripleChecker+Valid, 6047 SdHoareTripleChecker+Invalid, 3626 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 918 IncrementalHoareTripleChecker+Valid, 2708 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.4s IncrementalHoareTripleChecker+Time [2022-07-21 12:13:48,459 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2297 Valid, 6047 Invalid, 3626 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [918 Valid, 2708 Invalid, 0 Unknown, 0 Unchecked, 6.4s Time] [2022-07-21 12:13:48,471 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7082 states. [2022-07-21 12:13:48,787 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7082 to 4670. [2022-07-21 12:13:48,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4670 states, 3688 states have (on average 1.4490238611713666) internal successors, (5344), 3731 states have internal predecessors, (5344), 816 states have call successors, (816), 168 states have call predecessors, (816), 165 states have return successors, (814), 796 states have call predecessors, (814), 814 states have call successors, (814) [2022-07-21 12:13:48,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4670 states to 4670 states and 6974 transitions. [2022-07-21 12:13:48,822 INFO L78 Accepts]: Start accepts. Automaton has 4670 states and 6974 transitions. Word has length 378 [2022-07-21 12:13:48,823 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 12:13:48,823 INFO L495 AbstractCegarLoop]: Abstraction has 4670 states and 6974 transitions. [2022-07-21 12:13:48,823 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 22.714285714285715) internal successors, (159), 3 states have internal predecessors, (159), 2 states have call successors, (30), 6 states have call predecessors, (30), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2022-07-21 12:13:48,823 INFO L276 IsEmpty]: Start isEmpty. Operand 4670 states and 6974 transitions. [2022-07-21 12:13:48,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 380 [2022-07-21 12:13:48,836 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 12:13:48,836 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 7, 7, 7, 7, 7, 7, 7, 7, 3, 3, 3, 3, 3, 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] [2022-07-21 12:13:48,836 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-07-21 12:13:48,836 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 12:13:48,837 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 12:13:48,837 INFO L85 PathProgramCache]: Analyzing trace with hash 109220375, now seen corresponding path program 1 times [2022-07-21 12:13:48,837 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 12:13:48,837 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1452211306] [2022-07-21 12:13:48,838 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 12:13:48,838 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 12:13:48,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:49,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 12:13:49,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:49,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:13:49,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:49,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:13:49,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:49,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-21 12:13:49,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:49,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:13:49,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:49,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:13:49,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:49,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-21 12:13:49,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:49,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:13:49,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:49,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:13:49,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:49,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-21 12:13:49,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:49,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:13:49,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:49,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:13:49,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:49,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-21 12:13:49,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:49,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:13:49,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:49,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:13:49,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:49,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-21 12:13:49,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:49,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:13:49,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:49,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:13:49,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:49,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-21 12:13:49,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:49,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:13:49,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:49,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:13:49,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:49,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-21 12:13:49,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:49,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:13:49,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:49,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:13:49,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:49,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2022-07-21 12:13:49,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:49,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:13:49,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:49,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-07-21 12:13:49,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:49,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:13:49,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:49,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2022-07-21 12:13:49,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:49,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:13:49,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:49,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2022-07-21 12:13:49,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:49,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:13:49,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:49,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2022-07-21 12:13:49,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:49,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:13:49,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:49,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2022-07-21 12:13:49,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:49,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:13:49,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:49,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2022-07-21 12:13:49,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:49,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:13:49,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:49,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2022-07-21 12:13:49,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:49,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:13:49,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:49,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:13:49,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:49,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2022-07-21 12:13:49,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:49,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-21 12:13:49,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:49,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2022-07-21 12:13:49,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:49,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2022-07-21 12:13:49,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:49,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:13:49,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:49,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2022-07-21 12:13:49,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:49,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 326 [2022-07-21 12:13:49,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:49,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2022-07-21 12:13:49,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:49,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 346 [2022-07-21 12:13:49,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:49,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2022-07-21 12:13:49,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:49,322 INFO L134 CoverageAnalysis]: Checked inductivity of 716 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 708 trivial. 0 not checked. [2022-07-21 12:13:49,323 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 12:13:49,323 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1452211306] [2022-07-21 12:13:49,323 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1452211306] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 12:13:49,323 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 12:13:49,323 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-21 12:13:49,324 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1053976266] [2022-07-21 12:13:49,324 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 12:13:49,324 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-07-21 12:13:49,324 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 12:13:49,325 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-07-21 12:13:49,325 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2022-07-21 12:13:49,325 INFO L87 Difference]: Start difference. First operand 4670 states and 6974 transitions. Second operand has 8 states, 8 states have (on average 20.0) internal successors, (160), 4 states have internal predecessors, (160), 2 states have call successors, (30), 6 states have call predecessors, (30), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2022-07-21 12:13:52,027 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.27s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 12:13:59,864 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 12:13:59,864 INFO L93 Difference]: Finished difference Result 12563 states and 19342 transitions. [2022-07-21 12:13:59,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-21 12:13:59,865 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 20.0) internal successors, (160), 4 states have internal predecessors, (160), 2 states have call successors, (30), 6 states have call predecessors, (30), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) Word has length 379 [2022-07-21 12:13:59,866 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 12:13:59,908 INFO L225 Difference]: With dead ends: 12563 [2022-07-21 12:13:59,908 INFO L226 Difference]: Without dead ends: 7950 [2022-07-21 12:13:59,923 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2022-07-21 12:13:59,924 INFO L413 NwaCegarLoop]: 2302 mSDtfsCounter, 2649 mSDsluCounter, 6627 mSDsCounter, 0 mSdLazyCounter, 4667 mSolverCounterSat, 927 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2821 SdHoareTripleChecker+Valid, 8929 SdHoareTripleChecker+Invalid, 5594 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 927 IncrementalHoareTripleChecker+Valid, 4667 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.0s IncrementalHoareTripleChecker+Time [2022-07-21 12:13:59,924 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2821 Valid, 8929 Invalid, 5594 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [927 Valid, 4667 Invalid, 0 Unknown, 0 Unchecked, 10.0s Time] [2022-07-21 12:13:59,932 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7950 states. [2022-07-21 12:14:00,194 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7950 to 4678. [2022-07-21 12:14:00,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4678 states, 3696 states have (on average 1.448051948051948) internal successors, (5352), 3739 states have internal predecessors, (5352), 816 states have call successors, (816), 168 states have call predecessors, (816), 165 states have return successors, (814), 796 states have call predecessors, (814), 814 states have call successors, (814) [2022-07-21 12:14:00,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4678 states to 4678 states and 6982 transitions. [2022-07-21 12:14:00,223 INFO L78 Accepts]: Start accepts. Automaton has 4678 states and 6982 transitions. Word has length 379 [2022-07-21 12:14:00,224 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 12:14:00,224 INFO L495 AbstractCegarLoop]: Abstraction has 4678 states and 6982 transitions. [2022-07-21 12:14:00,224 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 20.0) internal successors, (160), 4 states have internal predecessors, (160), 2 states have call successors, (30), 6 states have call predecessors, (30), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2022-07-21 12:14:00,225 INFO L276 IsEmpty]: Start isEmpty. Operand 4678 states and 6982 transitions. [2022-07-21 12:14:00,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 381 [2022-07-21 12:14:00,238 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 12:14:00,238 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 7, 7, 7, 7, 7, 7, 7, 7, 3, 3, 3, 3, 3, 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] [2022-07-21 12:14:00,238 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-07-21 12:14:00,239 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 12:14:00,239 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 12:14:00,239 INFO L85 PathProgramCache]: Analyzing trace with hash -315279114, now seen corresponding path program 1 times [2022-07-21 12:14:00,239 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 12:14:00,240 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1442347711] [2022-07-21 12:14:00,240 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 12:14:00,240 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 12:14:00,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:00,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 12:14:00,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:00,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:14:00,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:00,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:14:00,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:00,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-21 12:14:00,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:00,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:14:00,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:00,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:14:00,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:00,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-21 12:14:00,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:00,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:14:00,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:00,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:14:00,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:00,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-21 12:14:00,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:00,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:14:00,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:00,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:14:00,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:00,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-21 12:14:00,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:00,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:14:00,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:00,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:14:00,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:00,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-21 12:14:00,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:00,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:14:00,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:00,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:14:00,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:00,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-21 12:14:00,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:00,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:14:00,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:00,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:14:00,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:00,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-21 12:14:00,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:00,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:14:00,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:00,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:14:00,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:00,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2022-07-21 12:14:00,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:00,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:14:00,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:00,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-07-21 12:14:00,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:00,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:14:00,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:00,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2022-07-21 12:14:00,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:00,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:14:00,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:00,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2022-07-21 12:14:00,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:00,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:14:00,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:00,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2022-07-21 12:14:00,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:00,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:14:00,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:00,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2022-07-21 12:14:00,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:00,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:14:00,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:00,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2022-07-21 12:14:00,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:00,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:14:00,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:00,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2022-07-21 12:14:00,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:00,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:14:00,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:00,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:14:00,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:00,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2022-07-21 12:14:00,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:00,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-21 12:14:00,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:00,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2022-07-21 12:14:00,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:00,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2022-07-21 12:14:00,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:00,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:14:00,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:00,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2022-07-21 12:14:00,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:00,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 327 [2022-07-21 12:14:00,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:00,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2022-07-21 12:14:00,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:00,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 347 [2022-07-21 12:14:00,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:00,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 358 [2022-07-21 12:14:00,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:00,971 INFO L134 CoverageAnalysis]: Checked inductivity of 716 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 708 trivial. 0 not checked. [2022-07-21 12:14:00,972 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 12:14:00,972 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1442347711] [2022-07-21 12:14:00,972 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1442347711] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-21 12:14:00,972 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [471827671] [2022-07-21 12:14:00,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 12:14:00,973 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-21 12:14:00,973 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-21 12:14:00,979 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) [2022-07-21 12:14:00,981 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-07-21 12:14:02,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:02,064 INFO L263 TraceCheckSpWp]: Trace formula consists of 3955 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-21 12:14:02,086 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 12:14:02,151 INFO L134 CoverageAnalysis]: Checked inductivity of 716 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 708 trivial. 0 not checked. [2022-07-21 12:14:02,152 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 12:14:02,152 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [471827671] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 12:14:02,152 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-21 12:14:02,152 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [8] total 10 [2022-07-21 12:14:02,153 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1212952701] [2022-07-21 12:14:02,153 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 12:14:02,154 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-21 12:14:02,154 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 12:14:02,154 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-21 12:14:02,154 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2022-07-21 12:14:02,155 INFO L87 Difference]: Start difference. First operand 4678 states and 6982 transitions. Second operand has 4 states, 4 states have (on average 40.25) internal successors, (161), 4 states have internal predecessors, (161), 2 states have call successors, (30), 2 states have call predecessors, (30), 2 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2022-07-21 12:14:02,498 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 12:14:02,498 INFO L93 Difference]: Finished difference Result 11909 states and 18064 transitions. [2022-07-21 12:14:02,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-21 12:14:02,499 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 40.25) internal successors, (161), 4 states have internal predecessors, (161), 2 states have call successors, (30), 2 states have call predecessors, (30), 2 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) Word has length 380 [2022-07-21 12:14:02,500 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 12:14:02,530 INFO L225 Difference]: With dead ends: 11909 [2022-07-21 12:14:02,530 INFO L226 Difference]: Without dead ends: 7288 [2022-07-21 12:14:02,550 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 486 GetRequests, 477 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2022-07-21 12:14:02,551 INFO L413 NwaCegarLoop]: 2338 mSDtfsCounter, 711 mSDsluCounter, 4100 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 824 SdHoareTripleChecker+Valid, 6438 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-21 12:14:02,551 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [824 Valid, 6438 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-21 12:14:02,559 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7288 states. [2022-07-21 12:14:02,878 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7288 to 4966. [2022-07-21 12:14:02,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4966 states, 3928 states have (on average 1.445010183299389) internal successors, (5676), 3971 states have internal predecessors, (5676), 872 states have call successors, (872), 168 states have call predecessors, (872), 165 states have return successors, (870), 852 states have call predecessors, (870), 870 states have call successors, (870) [2022-07-21 12:14:02,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4966 states to 4966 states and 7418 transitions. [2022-07-21 12:14:02,908 INFO L78 Accepts]: Start accepts. Automaton has 4966 states and 7418 transitions. Word has length 380 [2022-07-21 12:14:02,909 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 12:14:02,909 INFO L495 AbstractCegarLoop]: Abstraction has 4966 states and 7418 transitions. [2022-07-21 12:14:02,909 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 40.25) internal successors, (161), 4 states have internal predecessors, (161), 2 states have call successors, (30), 2 states have call predecessors, (30), 2 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2022-07-21 12:14:02,909 INFO L276 IsEmpty]: Start isEmpty. Operand 4966 states and 7418 transitions. [2022-07-21 12:14:02,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 381 [2022-07-21 12:14:02,922 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 12:14:02,923 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 7, 7, 7, 7, 7, 7, 7, 7, 3, 3, 3, 3, 3, 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] [2022-07-21 12:14:02,964 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-07-21 12:14:03,139 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2022-07-21 12:14:03,140 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 12:14:03,140 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 12:14:03,141 INFO L85 PathProgramCache]: Analyzing trace with hash -369672012, now seen corresponding path program 1 times [2022-07-21 12:14:03,141 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 12:14:03,141 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [733698809] [2022-07-21 12:14:03,141 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 12:14:03,141 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 12:14:03,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:03,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 12:14:03,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:03,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:14:03,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:03,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:14:03,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:03,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-21 12:14:03,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:03,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:14:03,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:03,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:14:03,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:03,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-21 12:14:03,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:03,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:14:03,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:03,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:14:03,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:03,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-21 12:14:03,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:03,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:14:03,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:03,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:14:03,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:03,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-21 12:14:03,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:03,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:14:03,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:03,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:14:03,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:03,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-21 12:14:03,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:03,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:14:03,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:03,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:14:03,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:03,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-21 12:14:03,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:03,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:14:03,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:03,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:14:03,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:03,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-21 12:14:03,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:03,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:14:03,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:03,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:14:03,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:03,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2022-07-21 12:14:03,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:03,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:14:03,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:03,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-07-21 12:14:03,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:03,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:14:03,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:03,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2022-07-21 12:14:03,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:03,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:14:03,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:03,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2022-07-21 12:14:03,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:03,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:14:03,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:03,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2022-07-21 12:14:03,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:03,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:14:03,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:03,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2022-07-21 12:14:03,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:03,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:14:03,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:03,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2022-07-21 12:14:03,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:03,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:14:03,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:03,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2022-07-21 12:14:03,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:03,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:14:03,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:03,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:14:03,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:03,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2022-07-21 12:14:03,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:03,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-21 12:14:03,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:03,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2022-07-21 12:14:03,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:03,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2022-07-21 12:14:03,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:03,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:14:03,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:03,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2022-07-21 12:14:03,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:03,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 327 [2022-07-21 12:14:03,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:03,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2022-07-21 12:14:03,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:03,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 347 [2022-07-21 12:14:03,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:03,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 358 [2022-07-21 12:14:03,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:03,796 INFO L134 CoverageAnalysis]: Checked inductivity of 716 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 708 trivial. 0 not checked. [2022-07-21 12:14:03,796 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 12:14:03,796 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [733698809] [2022-07-21 12:14:03,797 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [733698809] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-21 12:14:03,797 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [975967346] [2022-07-21 12:14:03,797 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 12:14:03,797 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-21 12:14:03,798 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-21 12:14:03,799 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) [2022-07-21 12:14:03,801 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-07-21 12:14:04,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:04,872 INFO L263 TraceCheckSpWp]: Trace formula consists of 3952 conjuncts, 3 conjunts are in the unsatisfiable core [2022-07-21 12:14:04,887 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 12:14:05,195 INFO L134 CoverageAnalysis]: Checked inductivity of 716 backedges. 120 proven. 0 refuted. 0 times theorem prover too weak. 596 trivial. 0 not checked. [2022-07-21 12:14:05,196 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 12:14:05,196 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [975967346] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 12:14:05,196 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-21 12:14:05,197 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [8] total 9 [2022-07-21 12:14:05,197 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1322246636] [2022-07-21 12:14:05,197 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 12:14:05,198 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-21 12:14:05,198 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 12:14:05,198 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-21 12:14:05,198 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-07-21 12:14:05,199 INFO L87 Difference]: Start difference. First operand 4966 states and 7418 transitions. Second operand has 4 states, 4 states have (on average 42.5) internal successors, (170), 4 states have internal predecessors, (170), 3 states have call successors, (32), 3 states have call predecessors, (32), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2022-07-21 12:14:06,884 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 12:14:06,884 INFO L93 Difference]: Finished difference Result 14790 states and 22117 transitions. [2022-07-21 12:14:06,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-21 12:14:06,885 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 42.5) internal successors, (170), 4 states have internal predecessors, (170), 3 states have call successors, (32), 3 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 380 [2022-07-21 12:14:06,885 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 12:14:06,929 INFO L225 Difference]: With dead ends: 14790 [2022-07-21 12:14:06,929 INFO L226 Difference]: Without dead ends: 14780 [2022-07-21 12:14:06,938 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 485 GetRequests, 478 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-07-21 12:14:06,939 INFO L413 NwaCegarLoop]: 3502 mSDtfsCounter, 3163 mSDsluCounter, 2894 mSDsCounter, 0 mSdLazyCounter, 445 mSolverCounterSat, 186 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3163 SdHoareTripleChecker+Valid, 6396 SdHoareTripleChecker+Invalid, 631 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 186 IncrementalHoareTripleChecker+Valid, 445 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-07-21 12:14:06,939 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3163 Valid, 6396 Invalid, 631 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [186 Valid, 445 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-07-21 12:14:06,955 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14780 states. [2022-07-21 12:14:07,664 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14780 to 14746. [2022-07-21 12:14:07,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14746 states, 11684 states have (on average 1.4484765491270113) internal successors, (16924), 11827 states have internal predecessors, (16924), 2576 states have call successors, (2576), 492 states have call predecessors, (2576), 485 states have return successors, (2574), 2504 states have call predecessors, (2574), 2574 states have call successors, (2574) [2022-07-21 12:14:07,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14746 states to 14746 states and 22074 transitions. [2022-07-21 12:14:07,751 INFO L78 Accepts]: Start accepts. Automaton has 14746 states and 22074 transitions. Word has length 380 [2022-07-21 12:14:07,752 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 12:14:07,752 INFO L495 AbstractCegarLoop]: Abstraction has 14746 states and 22074 transitions. [2022-07-21 12:14:07,753 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 42.5) internal successors, (170), 4 states have internal predecessors, (170), 3 states have call successors, (32), 3 states have call predecessors, (32), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2022-07-21 12:14:07,753 INFO L276 IsEmpty]: Start isEmpty. Operand 14746 states and 22074 transitions. [2022-07-21 12:14:07,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 381 [2022-07-21 12:14:07,783 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 12:14:07,783 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 7, 7, 7, 7, 7, 7, 7, 7, 3, 3, 3, 3, 3, 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] [2022-07-21 12:14:07,823 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-07-21 12:14:07,999 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,SelfDestructingSolverStorable14 [2022-07-21 12:14:08,000 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 12:14:08,000 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 12:14:08,000 INFO L85 PathProgramCache]: Analyzing trace with hash -1390740366, now seen corresponding path program 1 times [2022-07-21 12:14:08,001 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 12:14:08,001 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [979143020] [2022-07-21 12:14:08,001 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 12:14:08,001 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 12:14:08,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:08,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 12:14:08,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:08,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:14:08,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:08,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:14:08,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:08,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-21 12:14:08,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:08,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:14:08,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:08,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:14:08,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:08,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-21 12:14:08,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:08,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:14:08,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:08,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:14:08,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:08,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-21 12:14:08,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:08,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:14:08,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:08,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:14:08,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:08,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-21 12:14:08,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:08,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:14:08,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:08,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:14:08,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:08,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-21 12:14:08,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:08,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:14:08,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:08,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:14:08,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:08,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-21 12:14:08,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:08,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:14:08,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:08,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:14:08,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:08,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-21 12:14:08,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:08,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:14:08,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:08,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:14:08,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:08,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2022-07-21 12:14:08,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:08,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:14:08,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:08,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-07-21 12:14:08,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:08,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:14:08,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:08,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2022-07-21 12:14:08,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:08,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:14:08,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:08,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2022-07-21 12:14:08,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:08,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:14:08,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:08,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2022-07-21 12:14:08,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:08,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:14:08,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:08,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2022-07-21 12:14:08,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:08,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:14:08,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:08,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2022-07-21 12:14:08,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:08,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:14:08,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:08,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2022-07-21 12:14:08,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:08,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:14:08,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:08,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:14:08,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:08,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2022-07-21 12:14:08,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:08,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-21 12:14:08,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:08,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2022-07-21 12:14:08,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:08,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2022-07-21 12:14:08,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:08,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:14:08,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:08,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2022-07-21 12:14:08,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:08,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 327 [2022-07-21 12:14:08,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:08,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2022-07-21 12:14:08,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:08,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 347 [2022-07-21 12:14:08,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:08,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 358 [2022-07-21 12:14:08,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:08,521 INFO L134 CoverageAnalysis]: Checked inductivity of 716 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 708 trivial. 0 not checked. [2022-07-21 12:14:08,521 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 12:14:08,521 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [979143020] [2022-07-21 12:14:08,521 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [979143020] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 12:14:08,522 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 12:14:08,522 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-21 12:14:08,522 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [789361731] [2022-07-21 12:14:08,522 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 12:14:08,523 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-07-21 12:14:08,523 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 12:14:08,523 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-07-21 12:14:08,524 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2022-07-21 12:14:08,524 INFO L87 Difference]: Start difference. First operand 14746 states and 22074 transitions. Second operand has 8 states, 8 states have (on average 20.125) internal successors, (161), 4 states have internal predecessors, (161), 2 states have call successors, (30), 6 states have call predecessors, (30), 1 states have return successors, (29), 1 states have call predecessors, (29), 1 states have call successors, (29) [2022-07-21 12:14:12,863 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.35s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 12:14:20,293 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 12:14:20,294 INFO L93 Difference]: Finished difference Result 38894 states and 58674 transitions. [2022-07-21 12:14:20,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-07-21 12:14:20,294 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 20.125) internal successors, (161), 4 states have internal predecessors, (161), 2 states have call successors, (30), 6 states have call predecessors, (30), 1 states have return successors, (29), 1 states have call predecessors, (29), 1 states have call successors, (29) Word has length 380 [2022-07-21 12:14:20,295 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 12:14:20,405 INFO L225 Difference]: With dead ends: 38894 [2022-07-21 12:14:20,405 INFO L226 Difference]: Without dead ends: 31493 [2022-07-21 12:14:20,445 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 106 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=69, Invalid=171, Unknown=0, NotChecked=0, Total=240 [2022-07-21 12:14:20,448 INFO L413 NwaCegarLoop]: 1948 mSDtfsCounter, 4530 mSDsluCounter, 5044 mSDsCounter, 0 mSdLazyCounter, 4532 mSolverCounterSat, 1885 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4699 SdHoareTripleChecker+Valid, 6992 SdHoareTripleChecker+Invalid, 6417 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1885 IncrementalHoareTripleChecker+Valid, 4532 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.3s IncrementalHoareTripleChecker+Time [2022-07-21 12:14:20,448 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4699 Valid, 6992 Invalid, 6417 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1885 Valid, 4532 Invalid, 0 Unknown, 0 Unchecked, 10.3s Time] [2022-07-21 12:14:20,484 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31493 states. [2022-07-21 12:14:21,601 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31493 to 14752. [2022-07-21 12:14:21,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14752 states, 11690 states have (on average 1.448246364414029) internal successors, (16930), 11835 states have internal predecessors, (16930), 2576 states have call successors, (2576), 492 states have call predecessors, (2576), 485 states have return successors, (2574), 2502 states have call predecessors, (2574), 2574 states have call successors, (2574) [2022-07-21 12:14:21,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14752 states to 14752 states and 22080 transitions. [2022-07-21 12:14:21,695 INFO L78 Accepts]: Start accepts. Automaton has 14752 states and 22080 transitions. Word has length 380 [2022-07-21 12:14:21,695 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 12:14:21,695 INFO L495 AbstractCegarLoop]: Abstraction has 14752 states and 22080 transitions. [2022-07-21 12:14:21,696 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 20.125) internal successors, (161), 4 states have internal predecessors, (161), 2 states have call successors, (30), 6 states have call predecessors, (30), 1 states have return successors, (29), 1 states have call predecessors, (29), 1 states have call successors, (29) [2022-07-21 12:14:21,696 INFO L276 IsEmpty]: Start isEmpty. Operand 14752 states and 22080 transitions. [2022-07-21 12:14:21,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 382 [2022-07-21 12:14:21,724 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 12:14:21,724 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 7, 7, 7, 7, 7, 7, 7, 7, 3, 3, 3, 3, 3, 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] [2022-07-21 12:14:21,725 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-07-21 12:14:21,725 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 12:14:21,725 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 12:14:21,725 INFO L85 PathProgramCache]: Analyzing trace with hash -483530233, now seen corresponding path program 1 times [2022-07-21 12:14:21,726 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 12:14:21,726 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1744681534] [2022-07-21 12:14:21,726 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 12:14:21,726 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 12:14:21,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:22,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 12:14:22,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:22,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:14:22,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:22,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:14:22,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:22,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-21 12:14:22,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:22,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:14:22,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:22,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:14:22,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:22,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-21 12:14:22,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:22,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:14:22,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:22,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:14:22,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:22,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-21 12:14:22,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:22,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:14:22,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:22,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:14:22,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:22,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-21 12:14:22,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:22,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:14:22,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:22,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:14:22,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:22,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-21 12:14:22,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:22,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:14:22,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:22,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:14:22,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:22,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-21 12:14:22,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:22,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:14:22,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:22,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:14:22,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:22,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-21 12:14:22,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:22,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:14:22,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:22,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:14:22,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:22,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2022-07-21 12:14:22,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:22,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:14:22,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:22,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-07-21 12:14:22,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:22,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:14:22,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:22,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2022-07-21 12:14:22,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:22,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:14:22,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:22,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2022-07-21 12:14:22,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:22,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:14:22,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:22,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2022-07-21 12:14:22,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:22,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:14:22,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:22,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2022-07-21 12:14:22,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:22,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:14:22,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:22,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2022-07-21 12:14:22,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:22,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:14:22,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:22,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2022-07-21 12:14:22,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:22,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:14:22,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:22,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:14:22,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:22,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2022-07-21 12:14:22,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:22,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-21 12:14:22,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:22,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2022-07-21 12:14:22,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:22,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2022-07-21 12:14:22,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:22,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:14:22,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:22,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2022-07-21 12:14:22,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:22,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 327 [2022-07-21 12:14:22,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:22,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2022-07-21 12:14:22,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:22,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 347 [2022-07-21 12:14:22,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:22,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 356 [2022-07-21 12:14:22,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:22,462 INFO L134 CoverageAnalysis]: Checked inductivity of 716 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 708 trivial. 0 not checked. [2022-07-21 12:14:22,463 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 12:14:22,463 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1744681534] [2022-07-21 12:14:22,463 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1744681534] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 12:14:22,463 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 12:14:22,463 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-21 12:14:22,463 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [140715181] [2022-07-21 12:14:22,464 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 12:14:22,465 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-07-21 12:14:22,465 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 12:14:22,465 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-07-21 12:14:22,466 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2022-07-21 12:14:22,466 INFO L87 Difference]: Start difference. First operand 14752 states and 22080 transitions. Second operand has 8 states, 8 states have (on average 20.25) internal successors, (162), 3 states have internal predecessors, (162), 2 states have call successors, (30), 7 states have call predecessors, (30), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2022-07-21 12:14:25,668 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 12:14:29,402 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 12:14:29,403 INFO L93 Difference]: Finished difference Result 38397 states and 58579 transitions. [2022-07-21 12:14:29,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-07-21 12:14:29,404 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 20.25) internal successors, (162), 3 states have internal predecessors, (162), 2 states have call successors, (30), 7 states have call predecessors, (30), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) Word has length 381 [2022-07-21 12:14:29,404 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 12:14:29,479 INFO L225 Difference]: With dead ends: 38397 [2022-07-21 12:14:29,479 INFO L226 Difference]: Without dead ends: 23702 [2022-07-21 12:14:29,514 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 102 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2022-07-21 12:14:29,514 INFO L413 NwaCegarLoop]: 1930 mSDtfsCounter, 2692 mSDsluCounter, 3596 mSDsCounter, 0 mSdLazyCounter, 2180 mSolverCounterSat, 1395 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2819 SdHoareTripleChecker+Valid, 5526 SdHoareTripleChecker+Invalid, 3575 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1395 IncrementalHoareTripleChecker+Valid, 2180 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.7s IncrementalHoareTripleChecker+Time [2022-07-21 12:14:29,514 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2819 Valid, 5526 Invalid, 3575 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1395 Valid, 2180 Invalid, 0 Unknown, 0 Unchecked, 5.7s Time] [2022-07-21 12:14:29,539 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23702 states. [2022-07-21 12:14:30,389 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23702 to 14764. [2022-07-21 12:14:30,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14764 states, 11702 states have (on average 1.4477867031276705) internal successors, (16942), 11847 states have internal predecessors, (16942), 2576 states have call successors, (2576), 492 states have call predecessors, (2576), 485 states have return successors, (2574), 2502 states have call predecessors, (2574), 2574 states have call successors, (2574) [2022-07-21 12:14:30,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14764 states to 14764 states and 22092 transitions. [2022-07-21 12:14:30,574 INFO L78 Accepts]: Start accepts. Automaton has 14764 states and 22092 transitions. Word has length 381 [2022-07-21 12:14:30,574 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 12:14:30,574 INFO L495 AbstractCegarLoop]: Abstraction has 14764 states and 22092 transitions. [2022-07-21 12:14:30,575 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 20.25) internal successors, (162), 3 states have internal predecessors, (162), 2 states have call successors, (30), 7 states have call predecessors, (30), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2022-07-21 12:14:30,575 INFO L276 IsEmpty]: Start isEmpty. Operand 14764 states and 22092 transitions. [2022-07-21 12:14:30,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 384 [2022-07-21 12:14:30,602 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 12:14:30,602 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 7, 7, 7, 7, 7, 7, 7, 7, 3, 3, 3, 3, 3, 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] [2022-07-21 12:14:30,602 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-07-21 12:14:30,602 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 12:14:30,603 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 12:14:30,603 INFO L85 PathProgramCache]: Analyzing trace with hash -1096152730, now seen corresponding path program 1 times [2022-07-21 12:14:30,603 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 12:14:30,603 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [38110986] [2022-07-21 12:14:30,603 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 12:14:30,604 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 12:14:31,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:31,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 12:14:31,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:31,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:14:31,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:31,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:14:31,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:31,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-21 12:14:31,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:31,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:14:31,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:31,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:14:31,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:31,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-21 12:14:31,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:31,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:14:31,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:31,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:14:31,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:31,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-21 12:14:31,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:31,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:14:31,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:31,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:14:31,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:31,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-21 12:14:31,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:31,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:14:31,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:31,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:14:31,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:31,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-21 12:14:31,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:31,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:14:31,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:31,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:14:31,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:31,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-21 12:14:31,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:31,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:14:31,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:31,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:14:31,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:31,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-21 12:14:31,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:31,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:14:31,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:31,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:14:31,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:31,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2022-07-21 12:14:31,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:31,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:14:31,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:31,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-07-21 12:14:31,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:31,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:14:31,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:31,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2022-07-21 12:14:31,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:31,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:14:31,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:31,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2022-07-21 12:14:31,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:31,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:14:31,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:31,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2022-07-21 12:14:31,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:31,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:14:31,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:31,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2022-07-21 12:14:31,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:31,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:14:31,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:31,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2022-07-21 12:14:31,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:31,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:14:31,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:31,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2022-07-21 12:14:31,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:31,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:14:31,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:31,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:14:31,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:31,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2022-07-21 12:14:31,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:31,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2022-07-21 12:14:31,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:31,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2022-07-21 12:14:31,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:31,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2022-07-21 12:14:31,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:31,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:14:31,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:31,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2022-07-21 12:14:31,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:31,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2022-07-21 12:14:31,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:31,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 343 [2022-07-21 12:14:31,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:31,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2022-07-21 12:14:31,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:31,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 358 [2022-07-21 12:14:31,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:31,869 INFO L134 CoverageAnalysis]: Checked inductivity of 716 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 708 trivial. 0 not checked. [2022-07-21 12:14:31,869 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 12:14:31,870 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [38110986] [2022-07-21 12:14:31,870 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [38110986] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 12:14:31,870 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 12:14:31,870 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-07-21 12:14:31,870 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1110059382] [2022-07-21 12:14:31,870 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 12:14:31,871 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-07-21 12:14:31,871 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 12:14:31,871 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-07-21 12:14:31,872 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=270, Unknown=0, NotChecked=0, Total=306 [2022-07-21 12:14:31,872 INFO L87 Difference]: Start difference. First operand 14764 states and 22092 transitions. Second operand has 18 states, 16 states have (on average 10.25) internal successors, (164), 10 states have internal predecessors, (164), 4 states have call successors, (30), 7 states have call predecessors, (30), 4 states have return successors, (29), 5 states have call predecessors, (29), 4 states have call successors, (29) [2022-07-21 12:14:36,767 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.25s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 12:14:39,018 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.77s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 12:14:41,195 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.71s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 12:14:51,918 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 12:14:51,918 INFO L93 Difference]: Finished difference Result 35977 states and 55032 transitions. [2022-07-21 12:14:51,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-07-21 12:14:51,919 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 16 states have (on average 10.25) internal successors, (164), 10 states have internal predecessors, (164), 4 states have call successors, (30), 7 states have call predecessors, (30), 4 states have return successors, (29), 5 states have call predecessors, (29), 4 states have call successors, (29) Word has length 383 [2022-07-21 12:14:51,919 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 12:14:51,988 INFO L225 Difference]: With dead ends: 35977 [2022-07-21 12:14:51,988 INFO L226 Difference]: Without dead ends: 21270 [2022-07-21 12:14:52,024 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 129 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 93 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=155, Invalid=775, Unknown=0, NotChecked=0, Total=930 [2022-07-21 12:14:52,025 INFO L413 NwaCegarLoop]: 1996 mSDtfsCounter, 2576 mSDsluCounter, 16968 mSDsCounter, 0 mSdLazyCounter, 12133 mSolverCounterSat, 1076 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2638 SdHoareTripleChecker+Valid, 18964 SdHoareTripleChecker+Invalid, 13209 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1076 IncrementalHoareTripleChecker+Valid, 12133 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.4s IncrementalHoareTripleChecker+Time [2022-07-21 12:14:52,025 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2638 Valid, 18964 Invalid, 13209 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1076 Valid, 12133 Invalid, 0 Unknown, 0 Unchecked, 18.4s Time] [2022-07-21 12:14:52,040 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21270 states. [2022-07-21 12:14:53,026 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21270 to 14812. [2022-07-21 12:14:53,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14812 states, 11738 states have (on average 1.446413358323394) internal successors, (16978), 11883 states have internal predecessors, (16978), 2588 states have call successors, (2588), 492 states have call predecessors, (2588), 485 states have return successors, (2586), 2514 states have call predecessors, (2586), 2586 states have call successors, (2586) [2022-07-21 12:14:53,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14812 states to 14812 states and 22152 transitions. [2022-07-21 12:14:53,094 INFO L78 Accepts]: Start accepts. Automaton has 14812 states and 22152 transitions. Word has length 383 [2022-07-21 12:14:53,094 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 12:14:53,094 INFO L495 AbstractCegarLoop]: Abstraction has 14812 states and 22152 transitions. [2022-07-21 12:14:53,095 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 16 states have (on average 10.25) internal successors, (164), 10 states have internal predecessors, (164), 4 states have call successors, (30), 7 states have call predecessors, (30), 4 states have return successors, (29), 5 states have call predecessors, (29), 4 states have call successors, (29) [2022-07-21 12:14:53,095 INFO L276 IsEmpty]: Start isEmpty. Operand 14812 states and 22152 transitions. [2022-07-21 12:14:53,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 390 [2022-07-21 12:14:53,122 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 12:14:53,122 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 7, 7, 7, 7, 7, 7, 7, 7, 3, 3, 3, 3, 3, 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] [2022-07-21 12:14:53,123 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-07-21 12:14:53,123 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 12:14:53,123 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 12:14:53,123 INFO L85 PathProgramCache]: Analyzing trace with hash -1642650605, now seen corresponding path program 1 times [2022-07-21 12:14:53,123 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 12:14:53,124 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1144554614] [2022-07-21 12:14:53,124 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 12:14:53,124 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 12:14:53,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:53,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 12:14:53,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:53,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:14:53,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:53,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:14:53,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:53,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-21 12:14:53,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:53,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:14:53,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:53,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:14:53,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:53,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-21 12:14:53,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:53,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:14:53,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:53,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:14:53,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:53,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-21 12:14:53,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:53,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:14:53,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:53,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:14:53,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:53,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-21 12:14:53,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:53,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:14:53,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:53,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:14:53,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:53,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-21 12:14:53,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:53,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:14:53,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:53,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:14:53,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:53,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-21 12:14:53,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:53,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:14:53,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:53,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:14:53,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:53,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-21 12:14:53,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:53,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:14:53,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:53,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:14:53,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:53,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2022-07-21 12:14:53,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:53,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:14:53,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:53,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-07-21 12:14:53,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:53,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:14:53,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:53,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2022-07-21 12:14:53,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:53,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:14:53,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:53,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2022-07-21 12:14:53,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:53,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:14:53,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:53,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2022-07-21 12:14:53,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:53,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:14:53,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:53,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2022-07-21 12:14:53,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:53,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:14:53,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:53,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2022-07-21 12:14:53,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:53,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:14:53,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:53,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2022-07-21 12:14:53,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:53,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:14:53,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:53,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:14:53,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:53,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2022-07-21 12:14:53,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:53,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2022-07-21 12:14:53,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:53,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2022-07-21 12:14:53,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:53,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2022-07-21 12:14:53,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:53,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:14:53,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:53,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2022-07-21 12:14:53,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:53,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 335 [2022-07-21 12:14:53,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:53,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2022-07-21 12:14:53,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:53,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2022-07-21 12:14:53,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:53,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 364 [2022-07-21 12:14:53,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:53,847 INFO L134 CoverageAnalysis]: Checked inductivity of 716 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 708 trivial. 0 not checked. [2022-07-21 12:14:53,848 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 12:14:53,849 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1144554614] [2022-07-21 12:14:53,849 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1144554614] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 12:14:53,849 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 12:14:53,849 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2022-07-21 12:14:53,850 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1056088774] [2022-07-21 12:14:53,850 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 12:14:53,851 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-07-21 12:14:53,851 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 12:14:53,852 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-07-21 12:14:53,852 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=152, Unknown=0, NotChecked=0, Total=182 [2022-07-21 12:14:53,852 INFO L87 Difference]: Start difference. First operand 14812 states and 22152 transitions. Second operand has 14 states, 14 states have (on average 12.142857142857142) internal successors, (170), 7 states have internal predecessors, (170), 2 states have call successors, (30), 8 states have call predecessors, (30), 2 states have return successors, (29), 3 states have call predecessors, (29), 2 states have call successors, (29) [2022-07-21 12:15:05,281 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 12:15:05,281 INFO L93 Difference]: Finished difference Result 41701 states and 64026 transitions. [2022-07-21 12:15:05,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-07-21 12:15:05,282 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 12.142857142857142) internal successors, (170), 7 states have internal predecessors, (170), 2 states have call successors, (30), 8 states have call predecessors, (30), 2 states have return successors, (29), 3 states have call predecessors, (29), 2 states have call successors, (29) Word has length 389 [2022-07-21 12:15:05,282 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 12:15:05,383 INFO L225 Difference]: With dead ends: 41701 [2022-07-21 12:15:05,383 INFO L226 Difference]: Without dead ends: 26946 [2022-07-21 12:15:05,424 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 124 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=89, Invalid=373, Unknown=0, NotChecked=0, Total=462 [2022-07-21 12:15:05,425 INFO L413 NwaCegarLoop]: 2027 mSDtfsCounter, 5771 mSDsluCounter, 9107 mSDsCounter, 0 mSdLazyCounter, 7003 mSolverCounterSat, 2096 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5772 SdHoareTripleChecker+Valid, 11134 SdHoareTripleChecker+Invalid, 9099 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2096 IncrementalHoareTripleChecker+Valid, 7003 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.6s IncrementalHoareTripleChecker+Time [2022-07-21 12:15:05,426 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5772 Valid, 11134 Invalid, 9099 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2096 Valid, 7003 Invalid, 0 Unknown, 0 Unchecked, 9.6s Time] [2022-07-21 12:15:05,449 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26946 states. [2022-07-21 12:15:06,685 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26946 to 14896. [2022-07-21 12:15:06,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14896 states, 11810 states have (on average 1.443691786621507) internal successors, (17050), 11955 states have internal predecessors, (17050), 2588 states have call successors, (2588), 492 states have call predecessors, (2588), 497 states have return successors, (2646), 2526 states have call predecessors, (2646), 2586 states have call successors, (2646) [2022-07-21 12:15:06,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14896 states to 14896 states and 22284 transitions. [2022-07-21 12:15:06,750 INFO L78 Accepts]: Start accepts. Automaton has 14896 states and 22284 transitions. Word has length 389 [2022-07-21 12:15:06,750 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 12:15:06,750 INFO L495 AbstractCegarLoop]: Abstraction has 14896 states and 22284 transitions. [2022-07-21 12:15:06,750 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 12.142857142857142) internal successors, (170), 7 states have internal predecessors, (170), 2 states have call successors, (30), 8 states have call predecessors, (30), 2 states have return successors, (29), 3 states have call predecessors, (29), 2 states have call successors, (29) [2022-07-21 12:15:06,750 INFO L276 IsEmpty]: Start isEmpty. Operand 14896 states and 22284 transitions. [2022-07-21 12:15:06,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 394 [2022-07-21 12:15:06,774 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 12:15:06,774 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 7, 7, 7, 7, 7, 7, 7, 7, 3, 3, 3, 3, 3, 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] [2022-07-21 12:15:06,774 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-07-21 12:15:06,774 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 12:15:06,775 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 12:15:06,775 INFO L85 PathProgramCache]: Analyzing trace with hash -1111222843, now seen corresponding path program 1 times [2022-07-21 12:15:06,775 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 12:15:06,775 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2002638423] [2022-07-21 12:15:06,775 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 12:15:06,776 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 12:15:07,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:07,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 12:15:07,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:07,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:15:07,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:07,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:15:07,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:07,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-21 12:15:07,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:07,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:15:07,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:07,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:15:07,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:07,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-21 12:15:07,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:07,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:15:07,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:07,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:15:07,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:07,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-21 12:15:07,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:07,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:15:07,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:07,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:15:07,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:07,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-21 12:15:07,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:07,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:15:07,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:07,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:15:07,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:07,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-21 12:15:07,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:07,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:15:07,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:07,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:15:07,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:07,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-21 12:15:07,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:07,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:15:07,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:07,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:15:07,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:07,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-21 12:15:07,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:07,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:15:07,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:07,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:15:07,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:07,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2022-07-21 12:15:07,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:07,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:15:07,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:07,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-07-21 12:15:07,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:07,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:15:07,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:07,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2022-07-21 12:15:07,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:07,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:15:07,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:07,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2022-07-21 12:15:07,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:07,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:15:07,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:07,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2022-07-21 12:15:07,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:07,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:15:07,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:07,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2022-07-21 12:15:07,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:07,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:15:07,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:07,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2022-07-21 12:15:07,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:07,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:15:07,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:07,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2022-07-21 12:15:07,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:07,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:15:07,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:07,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:15:07,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:07,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2022-07-21 12:15:07,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:07,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2022-07-21 12:15:07,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:07,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2022-07-21 12:15:07,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:07,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-07-21 12:15:07,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:07,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 285 [2022-07-21 12:15:07,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:07,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:15:07,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:07,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2022-07-21 12:15:07,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:07,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 339 [2022-07-21 12:15:07,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:07,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 353 [2022-07-21 12:15:07,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:07,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 359 [2022-07-21 12:15:07,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:07,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 368 [2022-07-21 12:15:07,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:07,736 INFO L134 CoverageAnalysis]: Checked inductivity of 716 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 708 trivial. 0 not checked. [2022-07-21 12:15:07,737 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 12:15:07,737 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2002638423] [2022-07-21 12:15:07,737 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2002638423] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 12:15:07,737 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 12:15:07,737 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-07-21 12:15:07,737 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1682568670] [2022-07-21 12:15:07,737 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 12:15:07,739 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-07-21 12:15:07,741 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 12:15:07,741 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-07-21 12:15:07,741 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=302, Unknown=0, NotChecked=0, Total=342 [2022-07-21 12:15:07,742 INFO L87 Difference]: Start difference. First operand 14896 states and 22284 transitions. Second operand has 19 states, 17 states have (on average 10.117647058823529) internal successors, (172), 10 states have internal predecessors, (172), 4 states have call successors, (31), 8 states have call predecessors, (31), 4 states have return successors, (30), 5 states have call predecessors, (30), 4 states have call successors, (30) [2022-07-21 12:15:25,299 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 12:15:25,300 INFO L93 Difference]: Finished difference Result 36217 states and 55344 transitions. [2022-07-21 12:15:25,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-07-21 12:15:25,301 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 17 states have (on average 10.117647058823529) internal successors, (172), 10 states have internal predecessors, (172), 4 states have call successors, (31), 8 states have call predecessors, (31), 4 states have return successors, (30), 5 states have call predecessors, (30), 4 states have call successors, (30) Word has length 393 [2022-07-21 12:15:25,301 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 12:15:25,361 INFO L225 Difference]: With dead ends: 36217 [2022-07-21 12:15:25,361 INFO L226 Difference]: Without dead ends: 21378 [2022-07-21 12:15:25,389 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 131 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 102 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=168, Invalid=824, Unknown=0, NotChecked=0, Total=992 [2022-07-21 12:15:25,390 INFO L413 NwaCegarLoop]: 1998 mSDtfsCounter, 3545 mSDsluCounter, 16876 mSDsCounter, 0 mSdLazyCounter, 12353 mSolverCounterSat, 1620 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3607 SdHoareTripleChecker+Valid, 18874 SdHoareTripleChecker+Invalid, 13973 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1620 IncrementalHoareTripleChecker+Valid, 12353 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.4s IncrementalHoareTripleChecker+Time [2022-07-21 12:15:25,390 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3607 Valid, 18874 Invalid, 13973 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1620 Valid, 12353 Invalid, 0 Unknown, 0 Unchecked, 15.4s Time] [2022-07-21 12:15:25,402 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21378 states. [2022-07-21 12:15:26,220 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21378 to 14896. [2022-07-21 12:15:26,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14896 states, 11810 states have (on average 1.443691786621507) internal successors, (17050), 11955 states have internal predecessors, (17050), 2588 states have call successors, (2588), 492 states have call predecessors, (2588), 497 states have return successors, (2646), 2526 states have call predecessors, (2646), 2586 states have call successors, (2646) [2022-07-21 12:15:26,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14896 states to 14896 states and 22284 transitions. [2022-07-21 12:15:26,271 INFO L78 Accepts]: Start accepts. Automaton has 14896 states and 22284 transitions. Word has length 393 [2022-07-21 12:15:26,271 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 12:15:26,271 INFO L495 AbstractCegarLoop]: Abstraction has 14896 states and 22284 transitions. [2022-07-21 12:15:26,271 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 17 states have (on average 10.117647058823529) internal successors, (172), 10 states have internal predecessors, (172), 4 states have call successors, (31), 8 states have call predecessors, (31), 4 states have return successors, (30), 5 states have call predecessors, (30), 4 states have call successors, (30) [2022-07-21 12:15:26,271 INFO L276 IsEmpty]: Start isEmpty. Operand 14896 states and 22284 transitions. [2022-07-21 12:15:26,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 410 [2022-07-21 12:15:26,288 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 12:15:26,289 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 7, 7, 7, 7, 7, 7, 7, 7, 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] [2022-07-21 12:15:26,289 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-07-21 12:15:26,289 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 12:15:26,289 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 12:15:26,289 INFO L85 PathProgramCache]: Analyzing trace with hash -915463513, now seen corresponding path program 1 times [2022-07-21 12:15:26,289 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 12:15:26,289 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [703979331] [2022-07-21 12:15:26,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 12:15:26,290 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 12:15:27,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:27,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 12:15:27,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:27,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:15:27,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:27,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:15:27,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:27,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-21 12:15:27,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:27,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:15:27,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:27,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:15:27,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:27,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-21 12:15:27,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:27,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:15:27,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:27,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:15:27,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:27,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-21 12:15:27,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:27,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:15:27,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:27,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:15:27,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:27,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-21 12:15:27,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:27,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:15:27,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:27,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:15:27,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:27,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-21 12:15:27,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:27,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:15:27,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:27,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:15:27,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:27,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-21 12:15:27,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:27,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:15:27,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:27,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:15:27,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:27,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-21 12:15:27,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:27,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:15:27,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:27,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:15:27,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:27,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2022-07-21 12:15:27,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:27,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:15:27,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:27,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-07-21 12:15:27,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:27,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:15:27,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:27,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2022-07-21 12:15:27,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:27,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:15:27,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:27,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2022-07-21 12:15:27,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:27,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:15:27,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:27,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2022-07-21 12:15:27,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:27,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:15:27,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:27,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2022-07-21 12:15:27,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:27,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:15:27,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:27,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2022-07-21 12:15:27,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:27,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:15:27,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:27,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2022-07-21 12:15:27,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:27,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:15:27,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:27,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:15:27,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:27,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2022-07-21 12:15:27,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:27,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2022-07-21 12:15:27,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:27,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2022-07-21 12:15:27,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:27,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 12:15:27,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:27,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-21 12:15:27,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:27,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:15:27,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:27,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-21 12:15:27,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:27,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2022-07-21 12:15:27,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:27,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:15:27,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:27,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2022-07-21 12:15:27,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:27,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2022-07-21 12:15:27,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:27,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 369 [2022-07-21 12:15:27,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:27,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 375 [2022-07-21 12:15:27,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:28,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 384 [2022-07-21 12:15:28,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:28,010 INFO L134 CoverageAnalysis]: Checked inductivity of 800 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 792 trivial. 0 not checked. [2022-07-21 12:15:28,010 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 12:15:28,010 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [703979331] [2022-07-21 12:15:28,010 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [703979331] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 12:15:28,010 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 12:15:28,011 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-07-21 12:15:28,012 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [544531072] [2022-07-21 12:15:28,012 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 12:15:28,013 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-07-21 12:15:28,013 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 12:15:28,014 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-07-21 12:15:28,014 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2022-07-21 12:15:28,014 INFO L87 Difference]: Start difference. First operand 14896 states and 22284 transitions. Second operand has 10 states, 10 states have (on average 17.1) internal successors, (171), 4 states have internal predecessors, (171), 3 states have call successors, (33), 8 states have call predecessors, (33), 1 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) [2022-07-21 12:15:34,921 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 12:15:34,921 INFO L93 Difference]: Finished difference Result 33273 states and 50389 transitions. [2022-07-21 12:15:34,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-21 12:15:34,922 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 17.1) internal successors, (171), 4 states have internal predecessors, (171), 3 states have call successors, (33), 8 states have call predecessors, (33), 1 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) Word has length 409 [2022-07-21 12:15:34,923 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 12:15:34,978 INFO L225 Difference]: With dead ends: 33273 [2022-07-21 12:15:34,979 INFO L226 Difference]: Without dead ends: 18434 [2022-07-21 12:15:35,017 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 108 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=51, Invalid=131, Unknown=0, NotChecked=0, Total=182 [2022-07-21 12:15:35,018 INFO L413 NwaCegarLoop]: 1905 mSDtfsCounter, 3672 mSDsluCounter, 3972 mSDsCounter, 0 mSdLazyCounter, 2074 mSolverCounterSat, 1700 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3794 SdHoareTripleChecker+Valid, 5877 SdHoareTripleChecker+Invalid, 3774 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1700 IncrementalHoareTripleChecker+Valid, 2074 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.4s IncrementalHoareTripleChecker+Time [2022-07-21 12:15:35,018 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3794 Valid, 5877 Invalid, 3774 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1700 Valid, 2074 Invalid, 0 Unknown, 0 Unchecked, 5.4s Time] [2022-07-21 12:15:35,031 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18434 states. [2022-07-21 12:15:35,994 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18434 to 14908. [2022-07-21 12:15:36,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14908 states, 11822 states have (on average 1.4432414143122991) internal successors, (17062), 11967 states have internal predecessors, (17062), 2588 states have call successors, (2588), 492 states have call predecessors, (2588), 497 states have return successors, (2646), 2526 states have call predecessors, (2646), 2586 states have call successors, (2646) [2022-07-21 12:15:36,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14908 states to 14908 states and 22296 transitions. [2022-07-21 12:15:36,043 INFO L78 Accepts]: Start accepts. Automaton has 14908 states and 22296 transitions. Word has length 409 [2022-07-21 12:15:36,044 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 12:15:36,044 INFO L495 AbstractCegarLoop]: Abstraction has 14908 states and 22296 transitions. [2022-07-21 12:15:36,044 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 17.1) internal successors, (171), 4 states have internal predecessors, (171), 3 states have call successors, (33), 8 states have call predecessors, (33), 1 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) [2022-07-21 12:15:36,044 INFO L276 IsEmpty]: Start isEmpty. Operand 14908 states and 22296 transitions. [2022-07-21 12:15:36,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 413 [2022-07-21 12:15:36,061 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 12:15:36,061 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 7, 7, 7, 7, 7, 7, 7, 7, 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] [2022-07-21 12:15:36,061 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-07-21 12:15:36,061 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 12:15:36,062 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 12:15:36,062 INFO L85 PathProgramCache]: Analyzing trace with hash 557008273, now seen corresponding path program 1 times [2022-07-21 12:15:36,062 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 12:15:36,062 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1736586889] [2022-07-21 12:15:36,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 12:15:36,062 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 12:15:36,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:36,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 12:15:36,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:36,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:15:36,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:36,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:15:36,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:36,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-21 12:15:36,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:36,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:15:36,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:36,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:15:36,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:36,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-21 12:15:36,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:36,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:15:36,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:36,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:15:36,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:36,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-21 12:15:36,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:36,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:15:36,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:36,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:15:36,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:36,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-21 12:15:36,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:36,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:15:36,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:36,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:15:36,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:36,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-21 12:15:36,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:36,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:15:36,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:36,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:15:36,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:36,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-21 12:15:36,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:36,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:15:36,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:36,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:15:36,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:36,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-21 12:15:36,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:36,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:15:36,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:36,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:15:36,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:36,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2022-07-21 12:15:36,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:36,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:15:36,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:36,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-07-21 12:15:36,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:36,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:15:36,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:36,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2022-07-21 12:15:36,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:36,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:15:36,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:36,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2022-07-21 12:15:36,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:36,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:15:36,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:36,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2022-07-21 12:15:36,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:36,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:15:36,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:36,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2022-07-21 12:15:36,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:36,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:15:36,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:36,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2022-07-21 12:15:36,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:36,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:15:36,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:36,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2022-07-21 12:15:36,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:36,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:15:36,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:36,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:15:36,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:36,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2022-07-21 12:15:36,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:37,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2022-07-21 12:15:37,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:37,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2022-07-21 12:15:37,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:37,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 12:15:37,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:37,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-21 12:15:37,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:37,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:15:37,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:37,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-21 12:15:37,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:37,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2022-07-21 12:15:37,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:37,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:15:37,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:37,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 315 [2022-07-21 12:15:37,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:37,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 358 [2022-07-21 12:15:37,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:37,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 372 [2022-07-21 12:15:37,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:37,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 378 [2022-07-21 12:15:37,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:37,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 387 [2022-07-21 12:15:37,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:37,081 INFO L134 CoverageAnalysis]: Checked inductivity of 801 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 759 trivial. 0 not checked. [2022-07-21 12:15:37,081 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 12:15:37,081 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1736586889] [2022-07-21 12:15:37,081 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1736586889] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-21 12:15:37,081 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [524852314] [2022-07-21 12:15:37,081 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 12:15:37,082 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-21 12:15:37,082 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-21 12:15:37,084 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) [2022-07-21 12:15:37,087 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-07-21 12:15:38,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:15:38,480 INFO L263 TraceCheckSpWp]: Trace formula consists of 4183 conjuncts, 303 conjunts are in the unsatisfiable core [2022-07-21 12:15:38,509 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 12:15:38,905 INFO L356 Elim1Store]: treesize reduction 502, result has 19.4 percent of original size [2022-07-21 12:15:38,906 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 16 case distinctions, treesize of input 70 treesize of output 163 [2022-07-21 12:15:41,289 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-07-21 12:15:41,305 INFO L356 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-07-21 12:15:41,305 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 38 treesize of output 30 [2022-07-21 12:15:41,377 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-07-21 12:15:41,468 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-07-21 12:15:41,599 INFO L356 Elim1Store]: treesize reduction 38, result has 57.8 percent of original size [2022-07-21 12:15:41,600 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 98 treesize of output 130 [2022-07-21 12:15:42,816 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-07-21 12:15:42,855 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-07-21 12:15:42,929 INFO L356 Elim1Store]: treesize reduction 10, result has 64.3 percent of original size [2022-07-21 12:15:42,930 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 21 treesize of output 33 [2022-07-21 12:15:43,030 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-07-21 12:15:43,076 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-07-21 12:15:43,155 INFO L356 Elim1Store]: treesize reduction 10, result has 64.3 percent of original size [2022-07-21 12:15:43,156 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 21 treesize of output 33 [2022-07-21 12:15:43,250 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-07-21 12:15:43,296 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-07-21 12:15:43,369 INFO L356 Elim1Store]: treesize reduction 10, result has 64.3 percent of original size [2022-07-21 12:15:43,369 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 21 treesize of output 33 [2022-07-21 12:15:43,483 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-07-21 12:15:43,549 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-07-21 12:15:43,654 INFO L356 Elim1Store]: treesize reduction 10, result has 64.3 percent of original size [2022-07-21 12:15:43,654 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 21 treesize of output 33 [2022-07-21 12:15:43,761 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-07-21 12:15:43,805 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-07-21 12:15:43,879 INFO L356 Elim1Store]: treesize reduction 10, result has 64.3 percent of original size [2022-07-21 12:15:43,879 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 21 treesize of output 33 [2022-07-21 12:15:44,011 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-07-21 12:15:44,079 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-07-21 12:15:44,211 INFO L356 Elim1Store]: treesize reduction 10, result has 64.3 percent of original size [2022-07-21 12:15:44,212 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 21 treesize of output 33 [2022-07-21 12:15:44,361 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-07-21 12:15:44,435 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-07-21 12:15:44,554 INFO L356 Elim1Store]: treesize reduction 10, result has 64.3 percent of original size [2022-07-21 12:15:44,555 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 21 treesize of output 33 [2022-07-21 12:15:45,826 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-07-21 12:15:45,976 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-07-21 12:15:46,115 INFO L356 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-07-21 12:15:46,115 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 16 treesize of output 22 [2022-07-21 12:15:46,485 INFO L356 Elim1Store]: treesize reduction 191, result has 29.0 percent of original size [2022-07-21 12:15:46,485 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 6 case distinctions, treesize of input 30 treesize of output 93 [2022-07-21 12:15:48,746 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-07-21 12:15:48,759 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-07-21 12:15:48,772 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-07-21 12:15:48,880 INFO L356 Elim1Store]: treesize reduction 8, result has 68.0 percent of original size [2022-07-21 12:15:48,880 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 35 treesize of output 43 [2022-07-21 12:15:49,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-21 12:15:49,815 INFO L356 Elim1Store]: treesize reduction 776, result has 6.6 percent of original size [2022-07-21 12:15:49,816 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 6 case distinctions, treesize of input 86 treesize of output 97 [2022-07-21 12:15:49,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-21 12:15:49,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-21 12:15:49,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-21 12:15:49,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-21 12:15:49,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-21 12:15:49,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-21 12:15:49,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-21 12:15:49,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-21 12:15:49,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-21 12:15:49,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-21 12:15:49,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-21 12:15:49,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-21 12:15:49,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-21 12:15:49,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-21 12:15:49,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-21 12:15:49,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-21 12:15:49,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-21 12:15:49,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-21 12:15:49,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-21 12:15:49,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-21 12:15:49,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-21 12:15:49,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-21 12:15:49,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-21 12:15:49,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-21 12:15:49,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-21 12:15:49,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-21 12:15:49,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-21 12:15:49,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-21 12:15:49,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-21 12:15:49,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-21 12:15:49,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-21 12:15:49,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-21 12:15:49,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-21 12:15:49,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-21 12:15:49,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-21 12:15:49,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-21 12:15:49,962 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 38 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 80 [2022-07-21 12:15:49,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-21 12:15:49,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-21 12:15:49,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-21 12:15:49,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-21 12:15:49,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-21 12:15:49,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-21 12:15:50,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-21 12:15:50,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-21 12:15:50,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-21 12:15:50,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-21 12:15:50,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-21 12:15:50,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-21 12:15:50,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-21 12:15:50,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-21 12:15:50,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-21 12:15:50,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-21 12:15:50,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-21 12:15:50,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-21 12:15:50,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-21 12:15:50,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-21 12:15:50,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-21 12:15:50,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-21 12:15:50,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-21 12:15:50,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-21 12:15:50,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-21 12:15:50,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-21 12:15:50,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-21 12:15:50,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-21 12:15:50,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-21 12:15:50,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-21 12:15:50,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-21 12:15:50,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-21 12:15:50,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-21 12:15:50,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-21 12:15:50,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-21 12:15:50,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-21 12:15:50,077 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 38 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 80 [2022-07-21 12:15:54,617 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-21 12:15:54,619 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 19 [2022-07-21 12:15:55,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-21 12:15:55,138 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 33 [2022-07-21 12:15:55,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-21 12:15:55,189 INFO L356 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-07-21 12:15:55,189 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 46 [2022-07-21 12:15:55,246 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-21 12:15:55,248 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 17 [2022-07-21 12:15:55,721 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-21 12:15:55,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-21 12:15:55,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-21 12:15:55,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-21 12:15:55,727 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 95 treesize of output 92 [2022-07-21 12:15:55,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-21 12:15:55,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-21 12:15:55,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-21 12:15:55,746 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 78 treesize of output 62 [2022-07-21 12:15:57,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-21 12:15:57,199 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-21 12:15:57,200 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 81 treesize of output 61 [2022-07-21 12:15:57,217 INFO L173 IndexEqualityManager]: detected equality via solver [2022-07-21 12:15:57,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-07-21 12:15:57,219 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 98 treesize of output 85 [2022-07-21 12:15:58,076 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 3