./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--watchdog--pc87413_wdt.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 63182f13 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c752f0a-c894-4139-b5a2-973a2526d32f/bin/uautomizer-YU5uOKAj3y/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c752f0a-c894-4139-b5a2-973a2526d32f/bin/uautomizer-YU5uOKAj3y/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c752f0a-c894-4139-b5a2-973a2526d32f/bin/uautomizer-YU5uOKAj3y/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c752f0a-c894-4139-b5a2-973a2526d32f/bin/uautomizer-YU5uOKAj3y/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--watchdog--pc87413_wdt.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c752f0a-c894-4139-b5a2-973a2526d32f/bin/uautomizer-YU5uOKAj3y/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c752f0a-c894-4139-b5a2-973a2526d32f/bin/uautomizer-YU5uOKAj3y --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 8954b1975c9ef274050a4ed05b880cddaf4747278343623028f38a4ef8e6ca73 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-13 18:54:59,328 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-13 18:54:59,331 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-13 18:54:59,388 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-13 18:54:59,389 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-13 18:54:59,394 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-13 18:54:59,396 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-13 18:54:59,400 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-13 18:54:59,403 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-13 18:54:59,409 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-13 18:54:59,411 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-13 18:54:59,413 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-13 18:54:59,413 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-13 18:54:59,416 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-13 18:54:59,418 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-13 18:54:59,423 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-13 18:54:59,425 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-13 18:54:59,426 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-13 18:54:59,429 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-13 18:54:59,437 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-13 18:54:59,439 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-13 18:54:59,440 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-13 18:54:59,443 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-13 18:54:59,445 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-13 18:54:59,454 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-13 18:54:59,454 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-13 18:54:59,455 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-13 18:54:59,457 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-13 18:54:59,458 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-13 18:54:59,459 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-13 18:54:59,460 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-13 18:54:59,461 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-13 18:54:59,463 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-13 18:54:59,464 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-13 18:54:59,466 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-13 18:54:59,466 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-13 18:54:59,467 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-13 18:54:59,467 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-13 18:54:59,468 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-13 18:54:59,469 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-13 18:54:59,469 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-13 18:54:59,475 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c752f0a-c894-4139-b5a2-973a2526d32f/bin/uautomizer-YU5uOKAj3y/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-11-13 18:54:59,516 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-13 18:54:59,516 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-13 18:54:59,517 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-13 18:54:59,517 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-13 18:54:59,518 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-13 18:54:59,519 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-13 18:54:59,519 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-13 18:54:59,519 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-13 18:54:59,520 INFO L138 SettingsManager]: * Use SBE=true [2021-11-13 18:54:59,520 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-13 18:54:59,521 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-13 18:54:59,521 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-13 18:54:59,522 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-13 18:54:59,522 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-13 18:54:59,522 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-13 18:54:59,522 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-13 18:54:59,523 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-13 18:54:59,523 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-13 18:54:59,523 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-13 18:54:59,523 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-13 18:54:59,523 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-13 18:54:59,524 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-13 18:54:59,524 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-13 18:54:59,524 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-13 18:54:59,524 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-13 18:54:59,525 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-13 18:54:59,525 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-13 18:54:59,525 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-13 18:54:59,525 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-13 18:54:59,527 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-13 18:54:59,527 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-13 18:54:59,527 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:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c752f0a-c894-4139-b5a2-973a2526d32f/bin/uautomizer-YU5uOKAj3y/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c752f0a-c894-4139-b5a2-973a2526d32f/bin/uautomizer-YU5uOKAj3y Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8954b1975c9ef274050a4ed05b880cddaf4747278343623028f38a4ef8e6ca73 [2021-11-13 18:54:59,798 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-13 18:54:59,819 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-13 18:54:59,822 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-13 18:54:59,823 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-13 18:54:59,824 INFO L275 PluginConnector]: CDTParser initialized [2021-11-13 18:54:59,826 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c752f0a-c894-4139-b5a2-973a2526d32f/bin/uautomizer-YU5uOKAj3y/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--watchdog--pc87413_wdt.ko-entry_point.cil.out.i [2021-11-13 18:54:59,902 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c752f0a-c894-4139-b5a2-973a2526d32f/bin/uautomizer-YU5uOKAj3y/data/a97a07763/6544519e137d4e10acb2ce60e018010e/FLAG2cd07a4f6 [2021-11-13 18:55:00,587 INFO L306 CDTParser]: Found 1 translation units. [2021-11-13 18:55:00,588 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c752f0a-c894-4139-b5a2-973a2526d32f/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--watchdog--pc87413_wdt.ko-entry_point.cil.out.i [2021-11-13 18:55:00,631 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c752f0a-c894-4139-b5a2-973a2526d32f/bin/uautomizer-YU5uOKAj3y/data/a97a07763/6544519e137d4e10acb2ce60e018010e/FLAG2cd07a4f6 [2021-11-13 18:55:00,920 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c752f0a-c894-4139-b5a2-973a2526d32f/bin/uautomizer-YU5uOKAj3y/data/a97a07763/6544519e137d4e10acb2ce60e018010e [2021-11-13 18:55:00,930 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-13 18:55:00,931 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-13 18:55:00,933 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-13 18:55:00,933 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-13 18:55:00,937 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-13 18:55:00,938 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 06:55:00" (1/1) ... [2021-11-13 18:55:00,939 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@203fe7a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:55:00, skipping insertion in model container [2021-11-13 18:55:00,939 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 06:55:00" (1/1) ... [2021-11-13 18:55:00,946 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-13 18:55:01,037 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-13 18:55:01,853 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c752f0a-c894-4139-b5a2-973a2526d32f/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--watchdog--pc87413_wdt.ko-entry_point.cil.out.i[115866,115879] [2021-11-13 18:55:01,909 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 18:55:01,983 INFO L203 MainTranslator]: Completed pre-run [2021-11-13 18:55:02,188 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c752f0a-c894-4139-b5a2-973a2526d32f/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--watchdog--pc87413_wdt.ko-entry_point.cil.out.i[115866,115879] [2021-11-13 18:55:02,204 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 18:55:02,238 INFO L208 MainTranslator]: Completed translation [2021-11-13 18:55:02,238 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:55:02 WrapperNode [2021-11-13 18:55:02,239 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-13 18:55:02,240 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-13 18:55:02,240 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-13 18:55:02,240 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-13 18:55:02,247 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:55:02" (1/1) ... [2021-11-13 18:55:02,273 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:55:02" (1/1) ... [2021-11-13 18:55:02,338 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-13 18:55:02,339 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-13 18:55:02,339 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-13 18:55:02,339 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-13 18:55:02,348 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:55:02" (1/1) ... [2021-11-13 18:55:02,348 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:55:02" (1/1) ... [2021-11-13 18:55:02,369 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:55:02" (1/1) ... [2021-11-13 18:55:02,370 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:55:02" (1/1) ... [2021-11-13 18:55:02,410 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:55:02" (1/1) ... [2021-11-13 18:55:02,428 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:55:02" (1/1) ... [2021-11-13 18:55:02,470 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:55:02" (1/1) ... [2021-11-13 18:55:02,481 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-13 18:55:02,482 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-13 18:55:02,482 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-13 18:55:02,482 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-13 18:55:02,483 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:55:02" (1/1) ... [2021-11-13 18:55:02,491 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-13 18:55:02,502 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c752f0a-c894-4139-b5a2-973a2526d32f/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:55:02,528 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c752f0a-c894-4139-b5a2-973a2526d32f/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-13 18:55:02,538 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c752f0a-c894-4139-b5a2-973a2526d32f/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-13 18:55:02,573 INFO L130 BoogieDeclarations]: Found specification of procedure misc_deregister [2021-11-13 18:55:02,574 INFO L138 BoogieDeclarations]: Found implementation of procedure misc_deregister [2021-11-13 18:55:02,574 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-13 18:55:02,574 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-13 18:55:02,574 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-13 18:55:02,575 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-11-13 18:55:02,575 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-11-13 18:55:02,575 INFO L130 BoogieDeclarations]: Found specification of procedure pc87413_disable_sw_wd_trg [2021-11-13 18:55:02,575 INFO L138 BoogieDeclarations]: Found implementation of procedure pc87413_disable_sw_wd_trg [2021-11-13 18:55:02,575 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_reboot_notifier [2021-11-13 18:55:02,575 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_reboot_notifier [2021-11-13 18:55:02,576 INFO L130 BoogieDeclarations]: Found specification of procedure pc87413_enable_sw_wd_trg [2021-11-13 18:55:02,576 INFO L138 BoogieDeclarations]: Found implementation of procedure pc87413_enable_sw_wd_trg [2021-11-13 18:55:02,576 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2021-11-13 18:55:02,576 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2021-11-13 18:55:02,576 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-13 18:55:02,576 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-11-13 18:55:02,577 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-11-13 18:55:02,577 INFO L130 BoogieDeclarations]: Found specification of procedure pc87413_write [2021-11-13 18:55:02,577 INFO L138 BoogieDeclarations]: Found implementation of procedure pc87413_write [2021-11-13 18:55:02,577 INFO L130 BoogieDeclarations]: Found specification of procedure pc87413_disable [2021-11-13 18:55:02,577 INFO L138 BoogieDeclarations]: Found implementation of procedure pc87413_disable [2021-11-13 18:55:02,577 INFO L130 BoogieDeclarations]: Found specification of procedure pc87413_disable_sw_wd_tren [2021-11-13 18:55:02,578 INFO L138 BoogieDeclarations]: Found implementation of procedure pc87413_disable_sw_wd_tren [2021-11-13 18:55:02,578 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2021-11-13 18:55:02,578 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2021-11-13 18:55:02,578 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-13 18:55:02,578 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-13 18:55:02,578 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-13 18:55:02,579 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2021-11-13 18:55:02,579 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2021-11-13 18:55:02,579 INFO L130 BoogieDeclarations]: Found specification of procedure pc87413_refresh [2021-11-13 18:55:02,579 INFO L138 BoogieDeclarations]: Found implementation of procedure pc87413_refresh [2021-11-13 18:55:02,579 INFO L130 BoogieDeclarations]: Found specification of procedure pc87413_enable_sw_wd_tren [2021-11-13 18:55:02,579 INFO L138 BoogieDeclarations]: Found implementation of procedure pc87413_enable_sw_wd_tren [2021-11-13 18:55:02,579 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-13 18:55:02,580 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-13 18:55:02,580 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-13 18:55:02,580 INFO L130 BoogieDeclarations]: Found specification of procedure pc87413_enable [2021-11-13 18:55:02,580 INFO L138 BoogieDeclarations]: Found implementation of procedure pc87413_enable [2021-11-13 18:55:02,580 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-13 18:55:02,580 INFO L130 BoogieDeclarations]: Found specification of procedure pc87413_enable_wden [2021-11-13 18:55:02,581 INFO L138 BoogieDeclarations]: Found implementation of procedure pc87413_enable_wden [2021-11-13 18:55:02,581 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-13 18:55:02,581 INFO L130 BoogieDeclarations]: Found specification of procedure __might_fault [2021-11-13 18:55:02,581 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_fault [2021-11-13 18:55:02,581 INFO L130 BoogieDeclarations]: Found specification of procedure outb_p [2021-11-13 18:55:02,581 INFO L138 BoogieDeclarations]: Found implementation of procedure outb_p [2021-11-13 18:55:02,582 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-11-13 18:55:02,582 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-11-13 18:55:02,582 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2021-11-13 18:55:02,582 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2021-11-13 18:55:02,582 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-11-13 18:55:02,582 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-11-13 18:55:02,583 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-13 18:55:02,583 INFO L130 BoogieDeclarations]: Found specification of procedure __request_region [2021-11-13 18:55:02,583 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_region [2021-11-13 18:55:02,583 INFO L130 BoogieDeclarations]: Found specification of procedure pc87413_swc_bank3 [2021-11-13 18:55:02,583 INFO L138 BoogieDeclarations]: Found implementation of procedure pc87413_swc_bank3 [2021-11-13 18:55:02,584 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-13 18:55:02,584 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-13 18:55:02,584 INFO L130 BoogieDeclarations]: Found specification of procedure pc87413_programm_wdto [2021-11-13 18:55:02,584 INFO L138 BoogieDeclarations]: Found implementation of procedure pc87413_programm_wdto [2021-11-13 18:55:02,996 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-11-13 18:55:05,559 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-13 18:55:05,559 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-13 18:55:05,566 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 06:55:05 BoogieIcfgContainer [2021-11-13 18:55:05,566 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-13 18:55:05,569 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-13 18:55:05,569 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-13 18:55:05,572 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-13 18:55:05,572 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 06:55:00" (1/3) ... [2021-11-13 18:55:05,573 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b48a9f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 06:55:05, skipping insertion in model container [2021-11-13 18:55:05,573 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:55:02" (2/3) ... [2021-11-13 18:55:05,575 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b48a9f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 06:55:05, skipping insertion in model container [2021-11-13 18:55:05,575 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 06:55:05" (3/3) ... [2021-11-13 18:55:05,578 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-08_1a-drivers--watchdog--pc87413_wdt.ko-entry_point.cil.out.i [2021-11-13 18:55:05,583 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-13 18:55:05,584 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-13 18:55:05,651 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-13 18:55:05,659 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-13 18:55:05,660 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-13 18:55:05,704 INFO L276 IsEmpty]: Start isEmpty. Operand has 367 states, 242 states have (on average 1.3429752066115703) internal successors, (325), 252 states have internal predecessors, (325), 98 states have call successors, (98), 26 states have call predecessors, (98), 25 states have return successors, (94), 94 states have call predecessors, (94), 94 states have call successors, (94) [2021-11-13 18:55:05,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2021-11-13 18:55:05,732 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 18:55:05,733 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 18:55:05,733 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 18:55:05,739 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:55:05,740 INFO L85 PathProgramCache]: Analyzing trace with hash -1980518636, now seen corresponding path program 1 times [2021-11-13 18:55:05,748 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 18:55:05,749 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2114393296] [2021-11-13 18:55:05,749 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:55:05,750 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 18:55:06,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:55:06,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-13 18:55:06,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:55:06,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:55:06,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:55:06,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 18:55:06,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:55:06,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-11-13 18:55:06,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:55:06,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:55:06,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:55:06,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 18:55:06,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:55:06,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-11-13 18:55:06,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:55:06,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:55:06,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:55:06,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 18:55:06,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:55:06,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-11-13 18:55:06,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:55:06,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:55:06,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:55:06,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 18:55:06,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:55:06,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-11-13 18:55:06,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:55:06,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2021-11-13 18:55:06,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:55:06,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2021-11-13 18:55:06,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:55:06,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2021-11-13 18:55:06,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:55:06,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-11-13 18:55:06,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:55:06,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-13 18:55:06,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:55:06,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-11-13 18:55:06,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:55:06,587 INFO L134 CoverageAnalysis]: Checked inductivity of 159 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 159 trivial. 0 not checked. [2021-11-13 18:55:06,588 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 18:55:06,588 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2114393296] [2021-11-13 18:55:06,589 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2114393296] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 18:55:06,589 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 18:55:06,589 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-13 18:55:06,591 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [116491743] [2021-11-13 18:55:06,592 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 18:55:06,596 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-13 18:55:06,597 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 18:55:06,622 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-13 18:55:06,623 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-11-13 18:55:06,626 INFO L87 Difference]: Start difference. First operand has 367 states, 242 states have (on average 1.3429752066115703) internal successors, (325), 252 states have internal predecessors, (325), 98 states have call successors, (98), 26 states have call predecessors, (98), 25 states have return successors, (94), 94 states have call predecessors, (94), 94 states have call successors, (94) Second operand has 6 states, 6 states have (on average 7.5) internal successors, (45), 2 states have internal predecessors, (45), 2 states have call successors, (14), 6 states have call predecessors, (14), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2021-11-13 18:55:09,145 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.91s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:55:11,169 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:55:13,192 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:55:14,889 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.70s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:55:15,515 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 18:55:15,515 INFO L93 Difference]: Finished difference Result 736 states and 1053 transitions. [2021-11-13 18:55:15,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-13 18:55:15,518 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.5) internal successors, (45), 2 states have internal predecessors, (45), 2 states have call successors, (14), 6 states have call predecessors, (14), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 131 [2021-11-13 18:55:15,518 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 18:55:15,533 INFO L225 Difference]: With dead ends: 736 [2021-11-13 18:55:15,533 INFO L226 Difference]: Without dead ends: 363 [2021-11-13 18:55:15,540 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2021-11-13 18:55:15,543 INFO L933 BasicCegarLoop]: 468 mSDtfsCounter, 152 mSDsluCounter, 936 mSDsCounter, 0 mSdLazyCounter, 323 mSolverCounterSat, 274 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8450.76ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 153 SdHoareTripleChecker+Valid, 1404 SdHoareTripleChecker+Invalid, 599 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 28.05ms SdHoareTripleChecker+Time, 274 IncrementalHoareTripleChecker+Valid, 323 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8698.51ms IncrementalHoareTripleChecker+Time [2021-11-13 18:55:15,544 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [153 Valid, 1404 Invalid, 599 Unknown, 0 Unchecked, 28.05ms Time], IncrementalHoareTripleChecker [274 Valid, 323 Invalid, 2 Unknown, 0 Unchecked, 8698.51ms Time] [2021-11-13 18:55:15,561 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 363 states. [2021-11-13 18:55:15,622 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 363 to 356. [2021-11-13 18:55:15,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 356 states, 237 states have (on average 1.3122362869198312) internal successors, (311), 241 states have internal predecessors, (311), 94 states have call successors, (94), 25 states have call predecessors, (94), 24 states have return successors, (93), 93 states have call predecessors, (93), 93 states have call successors, (93) [2021-11-13 18:55:15,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 356 states and 498 transitions. [2021-11-13 18:55:15,630 INFO L78 Accepts]: Start accepts. Automaton has 356 states and 498 transitions. Word has length 131 [2021-11-13 18:55:15,630 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 18:55:15,630 INFO L470 AbstractCegarLoop]: Abstraction has 356 states and 498 transitions. [2021-11-13 18:55:15,631 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.5) internal successors, (45), 2 states have internal predecessors, (45), 2 states have call successors, (14), 6 states have call predecessors, (14), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2021-11-13 18:55:15,631 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 498 transitions. [2021-11-13 18:55:15,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2021-11-13 18:55:15,634 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 18:55:15,634 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 18:55:15,635 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-13 18:55:15,635 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 18:55:15,651 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:55:15,652 INFO L85 PathProgramCache]: Analyzing trace with hash 1693314572, now seen corresponding path program 1 times [2021-11-13 18:55:15,652 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 18:55:15,652 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1835180642] [2021-11-13 18:55:15,652 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:55:15,653 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 18:55:15,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:55:15,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-13 18:55:15,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:55:15,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:55:15,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:55:15,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 18:55:15,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:55:15,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-11-13 18:55:15,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:55:15,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:55:15,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:55:15,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 18:55:15,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:55:15,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-11-13 18:55:15,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:55:15,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:55:15,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:55:15,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 18:55:15,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:55:15,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-11-13 18:55:15,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:55:15,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:55:15,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:55:15,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 18:55:15,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:55:15,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-11-13 18:55:15,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:55:15,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2021-11-13 18:55:15,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:55:16,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2021-11-13 18:55:16,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:55:16,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2021-11-13 18:55:16,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:55:16,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-11-13 18:55:16,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:55:16,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-13 18:55:16,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:55:16,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-11-13 18:55:16,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:55:16,064 INFO L134 CoverageAnalysis]: Checked inductivity of 159 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 159 trivial. 0 not checked. [2021-11-13 18:55:16,065 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 18:55:16,065 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1835180642] [2021-11-13 18:55:16,065 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1835180642] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 18:55:16,065 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 18:55:16,066 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-13 18:55:16,066 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1771300880] [2021-11-13 18:55:16,066 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 18:55:16,069 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-13 18:55:16,069 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 18:55:16,070 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-13 18:55:16,071 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-11-13 18:55:16,071 INFO L87 Difference]: Start difference. First operand 356 states and 498 transitions. Second operand has 8 states, 8 states have (on average 5.625) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (14), 6 states have call predecessors, (14), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2021-11-13 18:55:18,736 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:55:20,646 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.91s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:55:22,665 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:55:23,431 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 18:55:23,432 INFO L93 Difference]: Finished difference Result 699 states and 981 transitions. [2021-11-13 18:55:23,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-13 18:55:23,432 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 5.625) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (14), 6 states have call predecessors, (14), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 131 [2021-11-13 18:55:23,433 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 18:55:23,438 INFO L225 Difference]: With dead ends: 699 [2021-11-13 18:55:23,438 INFO L226 Difference]: Without dead ends: 371 [2021-11-13 18:55:23,440 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2021-11-13 18:55:23,442 INFO L933 BasicCegarLoop]: 452 mSDtfsCounter, 162 mSDsluCounter, 1432 mSDsCounter, 0 mSdLazyCounter, 498 mSolverCounterSat, 270 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7023.21ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 163 SdHoareTripleChecker+Valid, 1884 SdHoareTripleChecker+Invalid, 770 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 17.61ms SdHoareTripleChecker+Time, 270 IncrementalHoareTripleChecker+Valid, 498 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7242.91ms IncrementalHoareTripleChecker+Time [2021-11-13 18:55:23,442 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [163 Valid, 1884 Invalid, 770 Unknown, 0 Unchecked, 17.61ms Time], IncrementalHoareTripleChecker [270 Valid, 498 Invalid, 2 Unknown, 0 Unchecked, 7242.91ms Time] [2021-11-13 18:55:23,444 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 371 states. [2021-11-13 18:55:23,480 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 371 to 359. [2021-11-13 18:55:23,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 359 states, 240 states have (on average 1.3083333333333333) internal successors, (314), 244 states have internal predecessors, (314), 94 states have call successors, (94), 25 states have call predecessors, (94), 24 states have return successors, (93), 93 states have call predecessors, (93), 93 states have call successors, (93) [2021-11-13 18:55:23,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 359 states to 359 states and 501 transitions. [2021-11-13 18:55:23,486 INFO L78 Accepts]: Start accepts. Automaton has 359 states and 501 transitions. Word has length 131 [2021-11-13 18:55:23,487 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 18:55:23,487 INFO L470 AbstractCegarLoop]: Abstraction has 359 states and 501 transitions. [2021-11-13 18:55:23,487 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.625) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (14), 6 states have call predecessors, (14), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2021-11-13 18:55:23,487 INFO L276 IsEmpty]: Start isEmpty. Operand 359 states and 501 transitions. [2021-11-13 18:55:23,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2021-11-13 18:55:23,490 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 18:55:23,490 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 18:55:23,490 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-13 18:55:23,491 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 18:55:23,491 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:55:23,491 INFO L85 PathProgramCache]: Analyzing trace with hash 1750572874, now seen corresponding path program 1 times [2021-11-13 18:55:23,492 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 18:55:23,492 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [331505116] [2021-11-13 18:55:23,492 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:55:23,492 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 18:55:23,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:55:23,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-13 18:55:23,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:55:23,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:55:23,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:55:23,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 18:55:23,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:55:23,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-11-13 18:55:23,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:55:23,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:55:23,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:55:23,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 18:55:23,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:55:23,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-11-13 18:55:23,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:55:23,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:55:23,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:55:23,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 18:55:23,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:55:23,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-11-13 18:55:23,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:55:23,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:55:23,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:55:23,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 18:55:23,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:55:23,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-11-13 18:55:23,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:55:23,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2021-11-13 18:55:23,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:55:23,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2021-11-13 18:55:23,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:55:23,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2021-11-13 18:55:23,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:55:23,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-11-13 18:55:23,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:55:23,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-13 18:55:23,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:55:23,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-11-13 18:55:23,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:55:23,907 INFO L134 CoverageAnalysis]: Checked inductivity of 159 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 159 trivial. 0 not checked. [2021-11-13 18:55:23,907 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 18:55:23,907 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [331505116] [2021-11-13 18:55:23,908 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [331505116] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 18:55:23,908 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 18:55:23,908 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-13 18:55:23,908 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1818883056] [2021-11-13 18:55:23,908 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 18:55:23,909 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-13 18:55:23,909 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 18:55:23,910 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-13 18:55:23,910 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-11-13 18:55:23,910 INFO L87 Difference]: Start difference. First operand 359 states and 501 transitions. Second operand has 7 states, 7 states have (on average 6.428571428571429) internal successors, (45), 3 states have internal predecessors, (45), 3 states have call successors, (14), 6 states have call predecessors, (14), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2021-11-13 18:55:26,245 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:55:28,263 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:55:29,542 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 18:55:29,543 INFO L93 Difference]: Finished difference Result 700 states and 982 transitions. [2021-11-13 18:55:29,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-13 18:55:29,544 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.428571428571429) internal successors, (45), 3 states have internal predecessors, (45), 3 states have call successors, (14), 6 states have call predecessors, (14), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 131 [2021-11-13 18:55:29,544 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 18:55:29,551 INFO L225 Difference]: With dead ends: 700 [2021-11-13 18:55:29,551 INFO L226 Difference]: Without dead ends: 680 [2021-11-13 18:55:29,552 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2021-11-13 18:55:29,554 INFO L933 BasicCegarLoop]: 505 mSDtfsCounter, 769 mSDsluCounter, 812 mSDsCounter, 0 mSdLazyCounter, 421 mSolverCounterSat, 826 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5212.71ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 812 SdHoareTripleChecker+Valid, 1317 SdHoareTripleChecker+Invalid, 1249 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 20.58ms SdHoareTripleChecker+Time, 826 IncrementalHoareTripleChecker+Valid, 421 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5471.21ms IncrementalHoareTripleChecker+Time [2021-11-13 18:55:29,555 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [812 Valid, 1317 Invalid, 1249 Unknown, 0 Unchecked, 20.58ms Time], IncrementalHoareTripleChecker [826 Valid, 421 Invalid, 2 Unknown, 0 Unchecked, 5471.21ms Time] [2021-11-13 18:55:29,557 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 680 states. [2021-11-13 18:55:29,611 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 680 to 670. [2021-11-13 18:55:29,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 670 states, 449 states have (on average 1.3184855233853006) internal successors, (592), 457 states have internal predecessors, (592), 173 states have call successors, (173), 48 states have call predecessors, (173), 47 states have return successors, (172), 172 states have call predecessors, (172), 172 states have call successors, (172) [2021-11-13 18:55:29,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 670 states to 670 states and 937 transitions. [2021-11-13 18:55:29,621 INFO L78 Accepts]: Start accepts. Automaton has 670 states and 937 transitions. Word has length 131 [2021-11-13 18:55:29,621 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 18:55:29,622 INFO L470 AbstractCegarLoop]: Abstraction has 670 states and 937 transitions. [2021-11-13 18:55:29,622 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.428571428571429) internal successors, (45), 3 states have internal predecessors, (45), 3 states have call successors, (14), 6 states have call predecessors, (14), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2021-11-13 18:55:29,622 INFO L276 IsEmpty]: Start isEmpty. Operand 670 states and 937 transitions. [2021-11-13 18:55:29,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 272 [2021-11-13 18:55:29,629 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 18:55:29,629 INFO L514 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2021-11-13 18:55:29,629 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-13 18:55:29,630 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 18:55:29,630 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:55:29,630 INFO L85 PathProgramCache]: Analyzing trace with hash 1254257096, now seen corresponding path program 1 times [2021-11-13 18:55:29,631 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 18:55:29,631 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1225728797] [2021-11-13 18:55:29,631 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:55:29,631 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 18:55:29,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:55:29,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-13 18:55:29,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:55:29,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:55:29,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:55:29,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 18:55:29,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:55:29,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-11-13 18:55:29,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:55:29,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:55:29,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:55:29,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 18:55:29,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:55:29,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-11-13 18:55:29,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:55:29,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:55:29,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:55:29,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 18:55:29,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:55:29,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-11-13 18:55:29,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:55:29,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:55:29,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:55:29,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 18:55:29,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:55:29,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-11-13 18:55:29,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:55:29,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2021-11-13 18:55:29,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:55:29,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2021-11-13 18:55:29,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:55:29,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2021-11-13 18:55:29,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:55:29,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-11-13 18:55:29,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:55:29,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-13 18:55:29,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:55:29,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2021-11-13 18:55:29,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:55:29,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-11-13 18:55:29,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:55:29,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-11-13 18:55:29,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:55:29,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:55:29,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:55:29,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 18:55:29,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:55:29,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-11-13 18:55:29,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:55:29,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:55:29,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:55:29,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 18:55:29,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:55:29,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-11-13 18:55:29,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:55:29,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:55:29,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:55:29,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 18:55:29,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:55:29,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2021-11-13 18:55:29,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:55:29,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:55:29,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:55:30,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-11-13 18:55:30,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:55:30,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:55:30,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:55:30,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 18:55:30,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:55:30,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-13 18:55:30,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:55:30,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:55:30,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:55:30,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 18:55:30,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:55:30,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-11-13 18:55:30,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:55:30,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:55:30,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:55:30,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 18:55:30,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:55:30,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2021-11-13 18:55:30,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:55:30,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-11-13 18:55:30,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:55:30,083 INFO L134 CoverageAnalysis]: Checked inductivity of 333 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 330 trivial. 0 not checked. [2021-11-13 18:55:30,083 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 18:55:30,083 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1225728797] [2021-11-13 18:55:30,084 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1225728797] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 18:55:30,084 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 18:55:30,084 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-13 18:55:30,084 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [305014471] [2021-11-13 18:55:30,085 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 18:55:30,085 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-13 18:55:30,086 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 18:55:30,086 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-13 18:55:30,087 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-11-13 18:55:30,087 INFO L87 Difference]: Start difference. First operand 670 states and 937 transitions. Second operand has 7 states, 7 states have (on average 14.142857142857142) internal successors, (99), 3 states have internal predecessors, (99), 2 states have call successors, (37), 6 states have call predecessors, (37), 1 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) [2021-11-13 18:55:32,082 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.40s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:55:34,101 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:55:36,120 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:55:36,809 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 18:55:36,809 INFO L93 Difference]: Finished difference Result 1557 states and 2133 transitions. [2021-11-13 18:55:36,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-13 18:55:36,810 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 14.142857142857142) internal successors, (99), 3 states have internal predecessors, (99), 2 states have call successors, (37), 6 states have call predecessors, (37), 1 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) Word has length 271 [2021-11-13 18:55:36,811 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 18:55:36,819 INFO L225 Difference]: With dead ends: 1557 [2021-11-13 18:55:36,819 INFO L226 Difference]: Without dead ends: 915 [2021-11-13 18:55:36,822 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 86 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2021-11-13 18:55:36,823 INFO L933 BasicCegarLoop]: 488 mSDtfsCounter, 574 mSDsluCounter, 804 mSDsCounter, 0 mSdLazyCounter, 338 mSolverCounterSat, 688 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6336.06ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 597 SdHoareTripleChecker+Valid, 1292 SdHoareTripleChecker+Invalid, 1028 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 16.25ms SdHoareTripleChecker+Time, 688 IncrementalHoareTripleChecker+Valid, 338 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6551.75ms IncrementalHoareTripleChecker+Time [2021-11-13 18:55:36,824 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [597 Valid, 1292 Invalid, 1028 Unknown, 0 Unchecked, 16.25ms Time], IncrementalHoareTripleChecker [688 Valid, 338 Invalid, 2 Unknown, 0 Unchecked, 6551.75ms Time] [2021-11-13 18:55:36,826 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 915 states. [2021-11-13 18:55:36,876 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 915 to 878. [2021-11-13 18:55:36,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 878 states, 588 states have (on average 1.2925170068027212) internal successors, (760), 601 states have internal predecessors, (760), 213 states have call successors, (213), 77 states have call predecessors, (213), 76 states have return successors, (212), 209 states have call predecessors, (212), 212 states have call successors, (212) [2021-11-13 18:55:36,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 878 states to 878 states and 1185 transitions. [2021-11-13 18:55:36,887 INFO L78 Accepts]: Start accepts. Automaton has 878 states and 1185 transitions. Word has length 271 [2021-11-13 18:55:36,888 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 18:55:36,888 INFO L470 AbstractCegarLoop]: Abstraction has 878 states and 1185 transitions. [2021-11-13 18:55:36,888 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 14.142857142857142) internal successors, (99), 3 states have internal predecessors, (99), 2 states have call successors, (37), 6 states have call predecessors, (37), 1 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) [2021-11-13 18:55:36,889 INFO L276 IsEmpty]: Start isEmpty. Operand 878 states and 1185 transitions. [2021-11-13 18:55:36,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 339 [2021-11-13 18:55:36,897 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 18:55:36,897 INFO L514 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 18:55:36,897 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-13 18:55:36,898 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 18:55:36,898 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:55:36,898 INFO L85 PathProgramCache]: Analyzing trace with hash -873433998, now seen corresponding path program 1 times [2021-11-13 18:55:36,899 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 18:55:36,899 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [787980048] [2021-11-13 18:55:36,899 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:55:36,899 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 18:55:36,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:55:37,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-13 18:55:37,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:55:37,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:55:37,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:55:37,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 18:55:37,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:55:37,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-11-13 18:55:37,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:55:37,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:55:37,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:55:37,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 18:55:37,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:55:37,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-11-13 18:55:37,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:55:37,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:55:37,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:55:37,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 18:55:37,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:55:37,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-11-13 18:55:37,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:55:37,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:55:37,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:55:37,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 18:55:37,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:55:37,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-11-13 18:55:37,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:55:37,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2021-11-13 18:55:37,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:55:37,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2021-11-13 18:55:37,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:55:37,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2021-11-13 18:55:37,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:55:37,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-11-13 18:55:37,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:55:37,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-13 18:55:37,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:55:37,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-11-13 18:55:37,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:55:37,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2021-11-13 18:55:37,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:55:37,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:55:37,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:55:37,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 18:55:37,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:55:37,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2021-11-13 18:55:37,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:55:37,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:55:37,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:55:37,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 18:55:37,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:55:37,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2021-11-13 18:55:37,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:55:37,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-13 18:55:37,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:55:37,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2021-11-13 18:55:37,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:55:37,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-11-13 18:55:37,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:55:37,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-11-13 18:55:37,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:55:37,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:55:37,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:55:37,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 18:55:37,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:55:37,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-11-13 18:55:37,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:55:37,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:55:37,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:55:37,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 18:55:37,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:55:37,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-11-13 18:55:37,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:55:37,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:55:37,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:55:37,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 18:55:37,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:55:37,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2021-11-13 18:55:37,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:55:37,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:55:37,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:55:37,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-11-13 18:55:37,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:55:37,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:55:37,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:55:37,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 18:55:37,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:55:37,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-13 18:55:37,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:55:37,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:55:37,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:55:37,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 18:55:37,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:55:37,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-11-13 18:55:37,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:55:37,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:55:37,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:55:37,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 18:55:37,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:55:37,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2021-11-13 18:55:37,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:55:37,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 323 [2021-11-13 18:55:37,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:55:37,480 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 464 trivial. 0 not checked. [2021-11-13 18:55:37,481 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 18:55:37,481 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [787980048] [2021-11-13 18:55:37,481 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [787980048] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 18:55:37,481 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 18:55:37,481 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-13 18:55:37,482 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1797705037] [2021-11-13 18:55:37,482 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 18:55:37,482 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-13 18:55:37,483 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 18:55:37,483 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-13 18:55:37,483 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-11-13 18:55:37,484 INFO L87 Difference]: Start difference. First operand 878 states and 1185 transitions. Second operand has 7 states, 7 states have (on average 17.714285714285715) internal successors, (124), 3 states have internal predecessors, (124), 3 states have call successors, (42), 6 states have call predecessors, (42), 1 states have return successors, (41), 3 states have call predecessors, (41), 3 states have call successors, (41) [2021-11-13 18:55:40,330 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:55:42,349 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:55:43,920 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.57s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:55:45,937 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:55:46,835 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 18:55:46,835 INFO L93 Difference]: Finished difference Result 2345 states and 3192 transitions. [2021-11-13 18:55:46,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-13 18:55:46,836 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 17.714285714285715) internal successors, (124), 3 states have internal predecessors, (124), 3 states have call successors, (42), 6 states have call predecessors, (42), 1 states have return successors, (41), 3 states have call predecessors, (41), 3 states have call successors, (41) Word has length 338 [2021-11-13 18:55:46,837 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 18:55:46,847 INFO L225 Difference]: With dead ends: 2345 [2021-11-13 18:55:46,848 INFO L226 Difference]: Without dead ends: 1434 [2021-11-13 18:55:46,852 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 102 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2021-11-13 18:55:46,853 INFO L933 BasicCegarLoop]: 541 mSDtfsCounter, 443 mSDsluCounter, 1371 mSDsCounter, 0 mSdLazyCounter, 570 mSolverCounterSat, 488 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8898.93ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 463 SdHoareTripleChecker+Valid, 1912 SdHoareTripleChecker+Invalid, 1061 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 16.00ms SdHoareTripleChecker+Time, 488 IncrementalHoareTripleChecker+Valid, 570 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9190.79ms IncrementalHoareTripleChecker+Time [2021-11-13 18:55:46,859 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [463 Valid, 1912 Invalid, 1061 Unknown, 0 Unchecked, 16.00ms Time], IncrementalHoareTripleChecker [488 Valid, 570 Invalid, 3 Unknown, 0 Unchecked, 9190.79ms Time] [2021-11-13 18:55:46,862 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1434 states. [2021-11-13 18:55:46,965 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1434 to 1412. [2021-11-13 18:55:46,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1412 states, 960 states have (on average 1.3197916666666667) internal successors, (1267), 982 states have internal predecessors, (1267), 332 states have call successors, (332), 120 states have call predecessors, (332), 119 states have return successors, (331), 328 states have call predecessors, (331), 331 states have call successors, (331) [2021-11-13 18:55:46,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1412 states to 1412 states and 1930 transitions. [2021-11-13 18:55:46,980 INFO L78 Accepts]: Start accepts. Automaton has 1412 states and 1930 transitions. Word has length 338 [2021-11-13 18:55:46,981 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 18:55:46,981 INFO L470 AbstractCegarLoop]: Abstraction has 1412 states and 1930 transitions. [2021-11-13 18:55:46,982 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 17.714285714285715) internal successors, (124), 3 states have internal predecessors, (124), 3 states have call successors, (42), 6 states have call predecessors, (42), 1 states have return successors, (41), 3 states have call predecessors, (41), 3 states have call successors, (41) [2021-11-13 18:55:46,982 INFO L276 IsEmpty]: Start isEmpty. Operand 1412 states and 1930 transitions. [2021-11-13 18:55:46,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 339 [2021-11-13 18:55:46,992 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 18:55:46,993 INFO L514 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 18:55:46,993 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-13 18:55:46,993 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 18:55:46,993 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:55:46,994 INFO L85 PathProgramCache]: Analyzing trace with hash 1696924976, now seen corresponding path program 1 times [2021-11-13 18:55:46,994 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 18:55:46,994 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [989056702] [2021-11-13 18:55:46,994 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:55:46,995 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 18:55:47,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:55:47,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-13 18:55:47,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:55:47,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:55:47,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:55:47,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 18:55:47,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:55:47,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-11-13 18:55:47,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:55:47,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:55:47,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:55:47,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 18:55:47,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:55:47,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-11-13 18:55:47,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:55:47,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:55:47,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:55:47,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 18:55:47,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:55:47,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-11-13 18:55:47,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:55:47,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:55:47,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:55:47,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 18:55:47,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:55:47,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-11-13 18:55:47,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:55:47,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2021-11-13 18:55:47,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:55:47,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2021-11-13 18:55:47,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:55:47,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2021-11-13 18:55:47,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:55:47,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-11-13 18:55:47,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:55:47,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-13 18:55:47,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:55:47,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-11-13 18:55:47,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:55:47,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2021-11-13 18:55:47,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:55:47,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:55:47,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:55:47,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 18:55:47,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:55:47,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2021-11-13 18:55:47,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:55:47,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:55:47,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:55:47,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 18:55:47,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:55:47,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2021-11-13 18:55:47,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:55:47,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-13 18:55:47,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:55:47,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2021-11-13 18:55:47,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:55:47,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-11-13 18:55:47,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:55:47,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-11-13 18:55:47,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:55:47,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:55:47,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:55:47,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 18:55:47,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:55:47,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-11-13 18:55:47,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:55:47,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:55:47,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:55:47,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 18:55:47,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:55:47,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-11-13 18:55:47,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:55:47,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:55:47,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:55:47,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 18:55:47,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:55:47,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2021-11-13 18:55:47,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:55:47,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:55:47,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:55:47,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-11-13 18:55:47,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:55:47,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:55:47,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:55:47,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 18:55:47,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:55:47,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-13 18:55:47,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:55:47,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:55:47,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:55:47,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 18:55:47,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:55:47,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-11-13 18:55:47,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:55:47,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:55:47,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:55:47,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 18:55:47,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:55:47,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2021-11-13 18:55:47,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:55:47,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 323 [2021-11-13 18:55:47,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:55:47,531 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 464 trivial. 0 not checked. [2021-11-13 18:55:47,531 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 18:55:47,531 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [989056702] [2021-11-13 18:55:47,531 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [989056702] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 18:55:47,532 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 18:55:47,532 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-13 18:55:47,532 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [925465292] [2021-11-13 18:55:47,532 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 18:55:47,533 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-13 18:55:47,533 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 18:55:47,533 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-13 18:55:47,534 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-11-13 18:55:47,534 INFO L87 Difference]: Start difference. First operand 1412 states and 1930 transitions. Second operand has 7 states, 7 states have (on average 17.714285714285715) internal successors, (124), 3 states have internal predecessors, (124), 2 states have call successors, (42), 6 states have call predecessors, (42), 1 states have return successors, (41), 2 states have call predecessors, (41), 2 states have call successors, (41) [2021-11-13 18:55:50,143 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:55:52,164 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:55:53,838 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.67s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:55:54,370 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 18:55:54,370 INFO L93 Difference]: Finished difference Result 2209 states and 2995 transitions. [2021-11-13 18:55:54,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-13 18:55:54,371 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 17.714285714285715) internal successors, (124), 3 states have internal predecessors, (124), 2 states have call successors, (42), 6 states have call predecessors, (42), 1 states have return successors, (41), 2 states have call predecessors, (41), 2 states have call successors, (41) Word has length 338 [2021-11-13 18:55:54,372 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 18:55:54,377 INFO L225 Difference]: With dead ends: 2209 [2021-11-13 18:55:54,378 INFO L226 Difference]: Without dead ends: 814 [2021-11-13 18:55:54,382 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2021-11-13 18:55:54,384 INFO L933 BasicCegarLoop]: 453 mSDtfsCounter, 221 mSDsluCounter, 1056 mSDsCounter, 0 mSdLazyCounter, 365 mSolverCounterSat, 384 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6525.99ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 222 SdHoareTripleChecker+Valid, 1509 SdHoareTripleChecker+Invalid, 751 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 9.37ms SdHoareTripleChecker+Time, 384 IncrementalHoareTripleChecker+Valid, 365 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6732.38ms IncrementalHoareTripleChecker+Time [2021-11-13 18:55:54,384 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [222 Valid, 1509 Invalid, 751 Unknown, 0 Unchecked, 9.37ms Time], IncrementalHoareTripleChecker [384 Valid, 365 Invalid, 2 Unknown, 0 Unchecked, 6732.38ms Time] [2021-11-13 18:55:54,420 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 814 states. [2021-11-13 18:55:54,458 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 814 to 804. [2021-11-13 18:55:54,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 804 states, 535 states have (on average 1.2841121495327104) internal successors, (687), 546 states have internal predecessors, (687), 194 states have call successors, (194), 75 states have call predecessors, (194), 74 states have return successors, (193), 192 states have call predecessors, (193), 193 states have call successors, (193) [2021-11-13 18:55:54,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 804 states to 804 states and 1074 transitions. [2021-11-13 18:55:54,466 INFO L78 Accepts]: Start accepts. Automaton has 804 states and 1074 transitions. Word has length 338 [2021-11-13 18:55:54,467 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 18:55:54,467 INFO L470 AbstractCegarLoop]: Abstraction has 804 states and 1074 transitions. [2021-11-13 18:55:54,468 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 17.714285714285715) internal successors, (124), 3 states have internal predecessors, (124), 2 states have call successors, (42), 6 states have call predecessors, (42), 1 states have return successors, (41), 2 states have call predecessors, (41), 2 states have call successors, (41) [2021-11-13 18:55:54,468 INFO L276 IsEmpty]: Start isEmpty. Operand 804 states and 1074 transitions. [2021-11-13 18:55:54,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 346 [2021-11-13 18:55:54,476 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 18:55:54,476 INFO L514 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 3, 3, 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] [2021-11-13 18:55:54,477 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-13 18:55:54,477 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 18:55:54,477 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:55:54,477 INFO L85 PathProgramCache]: Analyzing trace with hash 1227689881, now seen corresponding path program 1 times [2021-11-13 18:55:54,478 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 18:55:54,478 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [120122619] [2021-11-13 18:55:54,478 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:55:54,478 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 18:55:54,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:55:54,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-13 18:55:54,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:55:54,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:55:54,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:55:54,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 18:55:54,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:55:54,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-11-13 18:55:54,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:55:54,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:55:54,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:55:54,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 18:55:54,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:55:54,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-11-13 18:55:54,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:55:54,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:55:54,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:55:54,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 18:55:54,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:55:54,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-11-13 18:55:54,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:55:54,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:55:54,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:55:54,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 18:55:54,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:55:54,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-11-13 18:55:54,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:55:54,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2021-11-13 18:55:54,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:55:54,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2021-11-13 18:55:54,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:55:54,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2021-11-13 18:55:54,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:55:54,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-11-13 18:55:54,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:55:54,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-13 18:55:54,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:55:54,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-11-13 18:55:54,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:55:54,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2021-11-13 18:55:54,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:55:54,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:55:54,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:55:54,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 18:55:54,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:55:54,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2021-11-13 18:55:54,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:55:54,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:55:54,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:55:54,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 18:55:54,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:55:54,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2021-11-13 18:55:54,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:55:54,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-13 18:55:54,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:55:54,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2021-11-13 18:55:54,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:55:54,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-11-13 18:55:54,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:55:54,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-11-13 18:55:54,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:55:54,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:55:54,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:55:54,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 18:55:54,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:55:54,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-11-13 18:55:54,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:55:54,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:55:54,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:55:54,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 18:55:54,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:55:54,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-11-13 18:55:54,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:55:54,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:55:54,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:55:54,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 18:55:54,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:55:54,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2021-11-13 18:55:54,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:55:54,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:55:54,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:55:54,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-11-13 18:55:54,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:55:54,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:55:54,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:55:54,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 18:55:54,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:55:54,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-13 18:55:54,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:55:54,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:55:54,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:55:54,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 18:55:54,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:55:54,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-11-13 18:55:54,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:55:54,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:55:54,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:55:54,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 18:55:54,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:55:54,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2021-11-13 18:55:55,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:55:55,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 324 [2021-11-13 18:55:55,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:55:55,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 330 [2021-11-13 18:55:55,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:55:55,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 335 [2021-11-13 18:55:55,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:55:55,020 INFO L134 CoverageAnalysis]: Checked inductivity of 473 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 465 trivial. 0 not checked. [2021-11-13 18:55:55,021 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 18:55:55,021 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [120122619] [2021-11-13 18:55:55,021 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [120122619] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-13 18:55:55,021 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [395526195] [2021-11-13 18:55:55,021 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:55:55,022 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-13 18:55:55,022 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c752f0a-c894-4139-b5a2-973a2526d32f/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:55:55,027 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c752f0a-c894-4139-b5a2-973a2526d32f/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-13 18:55:55,032 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c752f0a-c894-4139-b5a2-973a2526d32f/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-13 18:55:55,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:55:55,468 INFO L263 TraceCheckSpWp]: Trace formula consists of 1934 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-13 18:55:55,516 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 18:55:56,452 INFO L134 CoverageAnalysis]: Checked inductivity of 473 backedges. 126 proven. 0 refuted. 0 times theorem prover too weak. 347 trivial. 0 not checked. [2021-11-13 18:55:56,452 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-13 18:55:56,452 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [395526195] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 18:55:56,453 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-13 18:55:56,453 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [8] total 9 [2021-11-13 18:55:56,453 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1439561043] [2021-11-13 18:55:56,453 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 18:55:56,454 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-13 18:55:56,454 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 18:55:56,455 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-13 18:55:56,455 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2021-11-13 18:55:56,455 INFO L87 Difference]: Start difference. First operand 804 states and 1074 transitions. Second operand has 4 states, 4 states have (on average 35.0) internal successors, (140), 4 states have internal predecessors, (140), 3 states have call successors, (46), 3 states have call predecessors, (46), 3 states have return successors, (45), 3 states have call predecessors, (45), 3 states have call successors, (45) [2021-11-13 18:55:57,056 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 18:55:57,056 INFO L93 Difference]: Finished difference Result 1982 states and 2689 transitions. [2021-11-13 18:55:57,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-13 18:55:57,057 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 35.0) internal successors, (140), 4 states have internal predecessors, (140), 3 states have call successors, (46), 3 states have call predecessors, (46), 3 states have return successors, (45), 3 states have call predecessors, (45), 3 states have call successors, (45) Word has length 345 [2021-11-13 18:55:57,061 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 18:55:57,073 INFO L225 Difference]: With dead ends: 1982 [2021-11-13 18:55:57,073 INFO L226 Difference]: Without dead ends: 1790 [2021-11-13 18:55:57,075 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 454 GetRequests, 447 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2021-11-13 18:55:57,076 INFO L933 BasicCegarLoop]: 863 mSDtfsCounter, 655 mSDsluCounter, 676 mSDsCounter, 0 mSdLazyCounter, 202 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 443.26ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 655 SdHoareTripleChecker+Valid, 1539 SdHoareTripleChecker+Invalid, 206 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 6.28ms SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 202 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 503.76ms IncrementalHoareTripleChecker+Time [2021-11-13 18:55:57,076 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [655 Valid, 1539 Invalid, 206 Unknown, 0 Unchecked, 6.28ms Time], IncrementalHoareTripleChecker [4 Valid, 202 Invalid, 0 Unknown, 0 Unchecked, 503.76ms Time] [2021-11-13 18:55:57,079 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1790 states. [2021-11-13 18:55:57,170 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1790 to 1782. [2021-11-13 18:55:57,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1782 states, 1214 states have (on average 1.3360790774299836) internal successors, (1622), 1244 states have internal predecessors, (1622), 420 states have call successors, (420), 148 states have call predecessors, (420), 147 states have return successors, (419), 414 states have call predecessors, (419), 419 states have call successors, (419) [2021-11-13 18:55:57,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1782 states to 1782 states and 2461 transitions. [2021-11-13 18:55:57,188 INFO L78 Accepts]: Start accepts. Automaton has 1782 states and 2461 transitions. Word has length 345 [2021-11-13 18:55:57,189 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 18:55:57,189 INFO L470 AbstractCegarLoop]: Abstraction has 1782 states and 2461 transitions. [2021-11-13 18:55:57,189 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 35.0) internal successors, (140), 4 states have internal predecessors, (140), 3 states have call successors, (46), 3 states have call predecessors, (46), 3 states have return successors, (45), 3 states have call predecessors, (45), 3 states have call successors, (45) [2021-11-13 18:55:57,189 INFO L276 IsEmpty]: Start isEmpty. Operand 1782 states and 2461 transitions. [2021-11-13 18:55:57,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 346 [2021-11-13 18:55:57,202 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 18:55:57,202 INFO L514 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 3, 3, 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] [2021-11-13 18:55:57,242 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c752f0a-c894-4139-b5a2-973a2526d32f/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-13 18:55:57,426 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c752f0a-c894-4139-b5a2-973a2526d32f/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-13 18:55:57,427 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 18:55:57,427 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:55:57,427 INFO L85 PathProgramCache]: Analyzing trace with hash 1250322135, now seen corresponding path program 1 times [2021-11-13 18:55:57,427 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 18:55:57,427 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [131809354] [2021-11-13 18:55:57,427 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:55:57,428 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 18:55:57,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:55:57,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-13 18:55:57,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:55:57,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:55:57,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:55:57,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 18:55:57,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:55:57,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-11-13 18:55:57,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:55:57,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:55:57,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:55:57,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 18:55:57,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:55:57,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-11-13 18:55:57,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:55:57,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:55:57,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:55:57,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 18:55:57,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:55:57,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-11-13 18:55:57,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:55:57,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:55:57,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:55:57,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 18:55:57,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:55:57,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-11-13 18:55:57,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:55:57,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2021-11-13 18:55:57,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:55:57,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2021-11-13 18:55:57,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:55:57,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2021-11-13 18:55:57,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:55:57,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-11-13 18:55:57,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:55:57,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-13 18:55:57,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:55:57,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-11-13 18:55:57,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:55:57,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2021-11-13 18:55:57,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:55:57,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:55:57,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:55:57,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 18:55:57,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:55:57,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2021-11-13 18:55:57,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:55:57,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:55:57,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:55:57,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 18:55:57,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:55:57,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2021-11-13 18:55:57,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:55:57,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-13 18:55:57,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:55:57,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2021-11-13 18:55:57,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:55:57,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-11-13 18:55:57,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:55:57,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-11-13 18:55:57,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:55:57,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:55:57,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:55:57,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 18:55:57,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:55:57,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-11-13 18:55:57,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:55:57,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:55:57,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:55:57,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 18:55:57,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:55:57,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-11-13 18:55:57,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:55:57,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:55:57,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:55:57,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 18:55:57,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:55:57,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2021-11-13 18:55:57,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:55:57,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:55:57,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:55:57,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-11-13 18:55:57,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:55:57,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:55:57,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:55:57,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 18:55:57,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:55:57,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-13 18:55:57,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:55:57,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:55:57,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:55:57,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 18:55:57,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:55:57,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-11-13 18:55:57,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:55:57,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:55:57,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:55:57,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 18:55:57,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:55:57,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2021-11-13 18:55:57,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:55:57,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 324 [2021-11-13 18:55:57,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:55:57,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 330 [2021-11-13 18:55:57,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:55:57,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 335 [2021-11-13 18:55:57,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:55:57,966 INFO L134 CoverageAnalysis]: Checked inductivity of 473 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 465 trivial. 0 not checked. [2021-11-13 18:55:57,966 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 18:55:57,967 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [131809354] [2021-11-13 18:55:57,967 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [131809354] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 18:55:57,967 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 18:55:57,967 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-13 18:55:57,967 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1750910453] [2021-11-13 18:55:57,967 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 18:55:57,968 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-13 18:55:57,968 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 18:55:57,968 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-13 18:55:57,969 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2021-11-13 18:55:57,969 INFO L87 Difference]: Start difference. First operand 1782 states and 2461 transitions. Second operand has 9 states, 9 states have (on average 14.11111111111111) internal successors, (127), 5 states have internal predecessors, (127), 2 states have call successors, (44), 6 states have call predecessors, (44), 1 states have return successors, (43), 2 states have call predecessors, (43), 2 states have call successors, (43) [2021-11-13 18:56:00,683 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:56:02,704 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:56:04,341 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.64s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:56:07,459 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:56:09,484 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:56:11,400 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.87s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:56:13,419 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:56:15,435 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:56:17,457 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:56:18,242 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 18:56:18,243 INFO L93 Difference]: Finished difference Result 6404 states and 9209 transitions. [2021-11-13 18:56:18,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-13 18:56:18,244 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.11111111111111) internal successors, (127), 5 states have internal predecessors, (127), 2 states have call successors, (44), 6 states have call predecessors, (44), 1 states have return successors, (43), 2 states have call predecessors, (43), 2 states have call successors, (43) Word has length 345 [2021-11-13 18:56:18,244 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 18:56:18,280 INFO L225 Difference]: With dead ends: 6404 [2021-11-13 18:56:18,280 INFO L226 Difference]: Without dead ends: 4870 [2021-11-13 18:56:18,288 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 124 GetRequests, 110 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=58, Invalid=182, Unknown=0, NotChecked=0, Total=240 [2021-11-13 18:56:18,289 INFO L933 BasicCegarLoop]: 724 mSDtfsCounter, 1264 mSDsluCounter, 3152 mSDsCounter, 0 mSdLazyCounter, 1182 mSolverCounterSat, 643 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19431.48ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 1335 SdHoareTripleChecker+Valid, 3876 SdHoareTripleChecker+Invalid, 1832 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 29.41ms SdHoareTripleChecker+Time, 643 IncrementalHoareTripleChecker+Valid, 1182 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19914.41ms IncrementalHoareTripleChecker+Time [2021-11-13 18:56:18,289 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1335 Valid, 3876 Invalid, 1832 Unknown, 0 Unchecked, 29.41ms Time], IncrementalHoareTripleChecker [643 Valid, 1182 Invalid, 7 Unknown, 0 Unchecked, 19914.41ms Time] [2021-11-13 18:56:18,297 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4870 states. [2021-11-13 18:56:18,480 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4870 to 1786. [2021-11-13 18:56:18,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1786 states, 1218 states have (on average 1.3349753694581281) internal successors, (1626), 1250 states have internal predecessors, (1626), 420 states have call successors, (420), 148 states have call predecessors, (420), 147 states have return successors, (419), 412 states have call predecessors, (419), 419 states have call successors, (419) [2021-11-13 18:56:18,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1786 states to 1786 states and 2465 transitions. [2021-11-13 18:56:18,493 INFO L78 Accepts]: Start accepts. Automaton has 1786 states and 2465 transitions. Word has length 345 [2021-11-13 18:56:18,494 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 18:56:18,494 INFO L470 AbstractCegarLoop]: Abstraction has 1786 states and 2465 transitions. [2021-11-13 18:56:18,495 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.11111111111111) internal successors, (127), 5 states have internal predecessors, (127), 2 states have call successors, (44), 6 states have call predecessors, (44), 1 states have return successors, (43), 2 states have call predecessors, (43), 2 states have call successors, (43) [2021-11-13 18:56:18,495 INFO L276 IsEmpty]: Start isEmpty. Operand 1786 states and 2465 transitions. [2021-11-13 18:56:18,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 478 [2021-11-13 18:56:18,512 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 18:56:18,513 INFO L514 BasicCegarLoop]: trace histogram [14, 14, 14, 14, 14, 12, 12, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 18:56:18,513 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-11-13 18:56:18,513 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 18:56:18,514 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:56:18,514 INFO L85 PathProgramCache]: Analyzing trace with hash 1890552014, now seen corresponding path program 1 times [2021-11-13 18:56:18,514 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 18:56:18,514 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1443197034] [2021-11-13 18:56:18,514 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:56:18,515 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 18:56:18,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:18,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-13 18:56:18,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:18,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:56:18,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:18,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 18:56:18,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:18,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-11-13 18:56:18,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:18,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:56:18,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:18,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 18:56:18,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:18,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-11-13 18:56:18,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:18,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:56:18,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:18,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 18:56:18,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:18,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-11-13 18:56:18,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:19,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:56:19,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:19,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 18:56:19,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:19,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-11-13 18:56:19,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:19,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2021-11-13 18:56:19,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:19,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2021-11-13 18:56:19,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:19,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2021-11-13 18:56:19,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:19,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-11-13 18:56:19,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:19,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-13 18:56:19,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:19,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-11-13 18:56:19,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:19,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2021-11-13 18:56:19,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:19,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:56:19,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:19,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 18:56:19,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:19,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2021-11-13 18:56:19,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:19,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:56:19,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:19,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 18:56:19,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:19,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2021-11-13 18:56:19,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:19,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-11-13 18:56:19,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:19,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2021-11-13 18:56:19,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:19,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-11-13 18:56:19,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:19,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-11-13 18:56:19,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:19,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:56:19,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:19,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 18:56:19,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:19,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-11-13 18:56:19,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:19,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:56:19,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:19,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 18:56:19,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:19,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-11-13 18:56:19,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:19,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:56:19,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:19,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 18:56:19,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:19,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2021-11-13 18:56:19,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:19,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:56:19,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:19,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-11-13 18:56:19,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:19,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:56:19,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:19,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 18:56:19,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:19,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-13 18:56:19,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:19,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:56:19,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:19,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 18:56:19,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:19,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-11-13 18:56:19,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:19,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:56:19,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:19,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 18:56:19,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:19,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2021-11-13 18:56:19,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:19,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 325 [2021-11-13 18:56:19,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:19,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-11-13 18:56:19,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:19,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-11-13 18:56:19,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:19,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:56:19,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:19,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 18:56:19,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:19,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-11-13 18:56:19,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:19,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:56:19,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:19,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 18:56:19,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:19,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-11-13 18:56:19,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:19,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:56:19,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:19,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 18:56:19,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:19,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2021-11-13 18:56:19,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:19,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:56:19,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:19,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-11-13 18:56:19,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:19,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:56:19,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:19,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 18:56:19,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:19,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-13 18:56:19,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:19,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:56:19,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:19,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 18:56:19,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:19,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-11-13 18:56:19,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:19,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:56:19,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:19,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 18:56:19,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:19,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2021-11-13 18:56:19,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:19,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 456 [2021-11-13 18:56:19,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:19,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 462 [2021-11-13 18:56:19,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:19,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 467 [2021-11-13 18:56:19,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:19,709 INFO L134 CoverageAnalysis]: Checked inductivity of 1118 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 1107 trivial. 0 not checked. [2021-11-13 18:56:19,710 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 18:56:19,710 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1443197034] [2021-11-13 18:56:19,710 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1443197034] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 18:56:19,710 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 18:56:19,710 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-11-13 18:56:19,711 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1217559096] [2021-11-13 18:56:19,711 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 18:56:19,712 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-13 18:56:19,712 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 18:56:19,712 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-13 18:56:19,712 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2021-11-13 18:56:19,713 INFO L87 Difference]: Start difference. First operand 1786 states and 2465 transitions. Second operand has 10 states, 10 states have (on average 13.3) internal successors, (133), 5 states have internal predecessors, (133), 2 states have call successors, (45), 6 states have call predecessors, (45), 2 states have return successors, (44), 3 states have call predecessors, (44), 2 states have call successors, (44) [2021-11-13 18:56:22,506 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:56:23,238 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 18:56:23,239 INFO L93 Difference]: Finished difference Result 3462 states and 4799 transitions. [2021-11-13 18:56:23,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-13 18:56:23,239 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 13.3) internal successors, (133), 5 states have internal predecessors, (133), 2 states have call successors, (45), 6 states have call predecessors, (45), 2 states have return successors, (44), 3 states have call predecessors, (44), 2 states have call successors, (44) Word has length 477 [2021-11-13 18:56:23,240 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 18:56:23,252 INFO L225 Difference]: With dead ends: 3462 [2021-11-13 18:56:23,252 INFO L226 Difference]: Without dead ends: 1793 [2021-11-13 18:56:23,259 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 162 GetRequests, 151 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=44, Invalid=112, Unknown=0, NotChecked=0, Total=156 [2021-11-13 18:56:23,263 INFO L933 BasicCegarLoop]: 444 mSDtfsCounter, 155 mSDsluCounter, 2143 mSDsCounter, 0 mSdLazyCounter, 721 mSolverCounterSat, 265 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3101.69ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 156 SdHoareTripleChecker+Valid, 2587 SdHoareTripleChecker+Invalid, 987 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 16.79ms SdHoareTripleChecker+Time, 265 IncrementalHoareTripleChecker+Valid, 721 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3300.06ms IncrementalHoareTripleChecker+Time [2021-11-13 18:56:23,263 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [156 Valid, 2587 Invalid, 987 Unknown, 0 Unchecked, 16.79ms Time], IncrementalHoareTripleChecker [265 Valid, 721 Invalid, 1 Unknown, 0 Unchecked, 3300.06ms Time] [2021-11-13 18:56:23,266 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1793 states. [2021-11-13 18:56:23,393 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1793 to 1786. [2021-11-13 18:56:23,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1786 states, 1218 states have (on average 1.3341543513957308) internal successors, (1625), 1250 states have internal predecessors, (1625), 420 states have call successors, (420), 148 states have call predecessors, (420), 147 states have return successors, (419), 412 states have call predecessors, (419), 419 states have call successors, (419) [2021-11-13 18:56:23,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1786 states to 1786 states and 2464 transitions. [2021-11-13 18:56:23,408 INFO L78 Accepts]: Start accepts. Automaton has 1786 states and 2464 transitions. Word has length 477 [2021-11-13 18:56:23,409 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 18:56:23,409 INFO L470 AbstractCegarLoop]: Abstraction has 1786 states and 2464 transitions. [2021-11-13 18:56:23,410 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 13.3) internal successors, (133), 5 states have internal predecessors, (133), 2 states have call successors, (45), 6 states have call predecessors, (45), 2 states have return successors, (44), 3 states have call predecessors, (44), 2 states have call successors, (44) [2021-11-13 18:56:23,410 INFO L276 IsEmpty]: Start isEmpty. Operand 1786 states and 2464 transitions. [2021-11-13 18:56:23,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 484 [2021-11-13 18:56:23,420 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 18:56:23,420 INFO L514 BasicCegarLoop]: trace histogram [14, 14, 14, 14, 14, 12, 12, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 18:56:23,420 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-11-13 18:56:23,421 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 18:56:23,421 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:56:23,421 INFO L85 PathProgramCache]: Analyzing trace with hash -811656504, now seen corresponding path program 1 times [2021-11-13 18:56:23,422 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 18:56:23,422 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [582748925] [2021-11-13 18:56:23,422 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:56:23,422 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 18:56:23,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:23,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-13 18:56:23,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:23,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:56:23,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:23,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 18:56:23,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:23,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-11-13 18:56:23,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:23,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:56:23,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:23,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 18:56:23,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:23,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-11-13 18:56:23,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:23,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:56:23,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:23,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 18:56:23,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:23,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-11-13 18:56:23,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:23,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:56:23,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:23,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 18:56:23,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:23,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-11-13 18:56:23,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:24,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2021-11-13 18:56:24,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:24,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2021-11-13 18:56:24,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:24,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2021-11-13 18:56:24,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:24,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-11-13 18:56:24,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:24,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-13 18:56:24,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:24,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-11-13 18:56:24,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:24,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-13 18:56:24,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:24,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2021-11-13 18:56:24,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:24,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:56:24,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:24,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 18:56:24,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:24,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2021-11-13 18:56:24,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:24,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:56:24,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:24,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 18:56:24,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:24,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2021-11-13 18:56:24,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:24,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2021-11-13 18:56:24,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:24,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2021-11-13 18:56:24,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:24,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-11-13 18:56:24,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:24,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-11-13 18:56:24,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:24,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:56:24,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:24,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 18:56:24,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:24,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-11-13 18:56:24,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:24,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:56:24,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:24,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 18:56:24,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:24,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-11-13 18:56:24,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:24,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:56:24,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:24,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 18:56:24,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:24,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2021-11-13 18:56:24,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:24,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:56:24,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:24,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-11-13 18:56:24,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:24,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:56:24,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:24,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 18:56:24,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:24,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-13 18:56:24,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:24,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:56:24,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:24,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 18:56:24,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:24,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-11-13 18:56:24,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:24,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:56:24,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:24,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 18:56:24,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:24,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2021-11-13 18:56:24,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:24,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 331 [2021-11-13 18:56:24,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:24,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-11-13 18:56:24,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:24,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-11-13 18:56:24,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:24,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:56:24,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:24,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 18:56:24,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:24,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-11-13 18:56:24,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:24,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:56:24,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:24,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 18:56:24,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:24,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-11-13 18:56:24,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:24,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:56:24,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:24,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 18:56:24,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:24,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2021-11-13 18:56:24,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:24,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:56:24,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:24,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-11-13 18:56:24,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:24,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:56:24,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:24,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 18:56:24,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:24,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-13 18:56:24,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:24,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:56:24,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:24,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 18:56:24,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:24,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-11-13 18:56:24,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:24,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:56:24,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:24,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 18:56:24,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:24,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2021-11-13 18:56:24,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:24,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 462 [2021-11-13 18:56:24,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:24,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 468 [2021-11-13 18:56:24,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:24,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 473 [2021-11-13 18:56:24,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:24,426 INFO L134 CoverageAnalysis]: Checked inductivity of 1142 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 1122 trivial. 0 not checked. [2021-11-13 18:56:24,426 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 18:56:24,426 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [582748925] [2021-11-13 18:56:24,426 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [582748925] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-13 18:56:24,426 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2020631038] [2021-11-13 18:56:24,427 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:56:24,427 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-13 18:56:24,427 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c752f0a-c894-4139-b5a2-973a2526d32f/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:56:24,428 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c752f0a-c894-4139-b5a2-973a2526d32f/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-13 18:56:24,448 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c752f0a-c894-4139-b5a2-973a2526d32f/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-13 18:56:24,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:24,946 INFO L263 TraceCheckSpWp]: Trace formula consists of 2391 conjuncts, 15 conjunts are in the unsatisfiable core [2021-11-13 18:56:24,964 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 18:56:26,005 INFO L134 CoverageAnalysis]: Checked inductivity of 1142 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 1125 trivial. 0 not checked. [2021-11-13 18:56:26,005 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-13 18:56:26,005 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2020631038] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 18:56:26,005 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-13 18:56:26,006 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [8] total 11 [2021-11-13 18:56:26,006 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [64869393] [2021-11-13 18:56:26,006 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 18:56:26,007 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-13 18:56:26,007 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 18:56:26,007 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-13 18:56:26,007 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2021-11-13 18:56:26,008 INFO L87 Difference]: Start difference. First operand 1786 states and 2464 transitions. Second operand has 5 states, 5 states have (on average 27.6) internal successors, (138), 5 states have internal predecessors, (138), 3 states have call successors, (46), 2 states have call predecessors, (46), 2 states have return successors, (45), 3 states have call predecessors, (45), 3 states have call successors, (45) [2021-11-13 18:56:26,345 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 18:56:26,345 INFO L93 Difference]: Finished difference Result 3335 states and 4640 transitions. [2021-11-13 18:56:26,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-13 18:56:26,346 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 27.6) internal successors, (138), 5 states have internal predecessors, (138), 3 states have call successors, (46), 2 states have call predecessors, (46), 2 states have return successors, (45), 3 states have call predecessors, (45), 3 states have call successors, (45) Word has length 483 [2021-11-13 18:56:26,346 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 18:56:26,359 INFO L225 Difference]: With dead ends: 3335 [2021-11-13 18:56:26,360 INFO L226 Difference]: Without dead ends: 1787 [2021-11-13 18:56:26,366 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 641 GetRequests, 630 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2021-11-13 18:56:26,367 INFO L933 BasicCegarLoop]: 497 mSDtfsCounter, 8 mSDsluCounter, 1469 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 192.69ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 1966 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 3.85ms SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 211.03ms IncrementalHoareTripleChecker+Time [2021-11-13 18:56:26,368 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10 Valid, 1966 Invalid, 17 Unknown, 0 Unchecked, 3.85ms Time], IncrementalHoareTripleChecker [1 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 211.03ms Time] [2021-11-13 18:56:26,372 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1787 states. [2021-11-13 18:56:26,506 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1787 to 1779. [2021-11-13 18:56:26,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1779 states, 1214 states have (on average 1.3344316309719935) internal successors, (1620), 1246 states have internal predecessors, (1620), 418 states have call successors, (418), 147 states have call predecessors, (418), 146 states have return successors, (417), 410 states have call predecessors, (417), 417 states have call successors, (417) [2021-11-13 18:56:26,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1779 states to 1779 states and 2455 transitions. [2021-11-13 18:56:26,521 INFO L78 Accepts]: Start accepts. Automaton has 1779 states and 2455 transitions. Word has length 483 [2021-11-13 18:56:26,522 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 18:56:26,522 INFO L470 AbstractCegarLoop]: Abstraction has 1779 states and 2455 transitions. [2021-11-13 18:56:26,523 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 27.6) internal successors, (138), 5 states have internal predecessors, (138), 3 states have call successors, (46), 2 states have call predecessors, (46), 2 states have return successors, (45), 3 states have call predecessors, (45), 3 states have call successors, (45) [2021-11-13 18:56:26,523 INFO L276 IsEmpty]: Start isEmpty. Operand 1779 states and 2455 transitions. [2021-11-13 18:56:26,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 668 [2021-11-13 18:56:26,538 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 18:56:26,539 INFO L514 BasicCegarLoop]: trace histogram [29, 29, 29, 29, 29, 20, 20, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 18:56:26,579 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c752f0a-c894-4139-b5a2-973a2526d32f/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-13 18:56:26,766 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c752f0a-c894-4139-b5a2-973a2526d32f/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2021-11-13 18:56:26,767 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 18:56:26,767 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:56:26,767 INFO L85 PathProgramCache]: Analyzing trace with hash -55641575, now seen corresponding path program 1 times [2021-11-13 18:56:26,768 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 18:56:26,768 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [994364776] [2021-11-13 18:56:26,768 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:56:26,768 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 18:56:26,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:27,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-13 18:56:27,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:27,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:56:27,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:27,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 18:56:27,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:27,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-11-13 18:56:27,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:27,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:56:27,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:27,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 18:56:27,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:27,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-11-13 18:56:27,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:27,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:56:27,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:27,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 18:56:27,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:27,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-11-13 18:56:27,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:27,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:56:27,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:27,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 18:56:27,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:27,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-11-13 18:56:27,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:27,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2021-11-13 18:56:27,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:27,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2021-11-13 18:56:27,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:27,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2021-11-13 18:56:27,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:27,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-11-13 18:56:27,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:27,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-13 18:56:27,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:27,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-11-13 18:56:27,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:27,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-13 18:56:27,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:27,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2021-11-13 18:56:27,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:27,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:56:27,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:27,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 18:56:27,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:27,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2021-11-13 18:56:27,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:27,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:56:27,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:27,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 18:56:27,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:27,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2021-11-13 18:56:27,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:27,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2021-11-13 18:56:27,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:27,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2021-11-13 18:56:27,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:27,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2021-11-13 18:56:27,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:27,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2021-11-13 18:56:27,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:27,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2021-11-13 18:56:27,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:27,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2021-11-13 18:56:27,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:27,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2021-11-13 18:56:27,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:27,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2021-11-13 18:56:27,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:27,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2021-11-13 18:56:27,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:27,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2021-11-13 18:56:27,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:27,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2021-11-13 18:56:27,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:27,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2021-11-13 18:56:27,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:27,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-11-13 18:56:27,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:27,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2021-11-13 18:56:27,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:27,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2021-11-13 18:56:27,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:27,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-11-13 18:56:27,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:27,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-11-13 18:56:27,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:27,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:56:27,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:27,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 18:56:27,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:27,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-11-13 18:56:27,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:27,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:56:27,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:27,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-11-13 18:56:27,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:27,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:56:27,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:27,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 18:56:27,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:27,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-11-13 18:56:27,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:27,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:56:27,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:27,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 18:56:27,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:27,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-11-13 18:56:27,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:27,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:56:27,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:27,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 18:56:27,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:27,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-13 18:56:27,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:27,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 358 [2021-11-13 18:56:27,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:27,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 382 [2021-11-13 18:56:27,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:27,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-11-13 18:56:27,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:27,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-11-13 18:56:27,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:27,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:56:27,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:27,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 18:56:27,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:27,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-11-13 18:56:27,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:27,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:56:27,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:27,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 18:56:27,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:27,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-11-13 18:56:27,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:27,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:56:27,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:27,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 18:56:27,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:27,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2021-11-13 18:56:27,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:27,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:56:27,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:27,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-11-13 18:56:27,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:27,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:56:27,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:27,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 18:56:27,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:27,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-13 18:56:27,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:27,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:56:27,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:27,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 18:56:27,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:27,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-11-13 18:56:27,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:27,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:56:27,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:27,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 18:56:27,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:27,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2021-11-13 18:56:27,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:27,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 515 [2021-11-13 18:56:27,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:27,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-11-13 18:56:27,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:27,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-11-13 18:56:27,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:27,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:56:27,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:27,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 18:56:27,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:27,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-11-13 18:56:27,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:27,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:56:27,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:27,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 18:56:27,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:27,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-11-13 18:56:27,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:27,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:56:27,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:27,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 18:56:27,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:27,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2021-11-13 18:56:27,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:27,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:56:27,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:27,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-11-13 18:56:27,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:27,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:56:27,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:27,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 18:56:27,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:27,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-13 18:56:27,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:27,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:56:27,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:27,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 18:56:27,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:27,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-11-13 18:56:27,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:27,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:56:27,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:27,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 18:56:27,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:27,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2021-11-13 18:56:27,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:27,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 646 [2021-11-13 18:56:27,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:27,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 652 [2021-11-13 18:56:27,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:27,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 657 [2021-11-13 18:56:27,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:27,858 INFO L134 CoverageAnalysis]: Checked inductivity of 3478 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 3464 trivial. 0 not checked. [2021-11-13 18:56:27,858 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 18:56:27,858 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [994364776] [2021-11-13 18:56:27,858 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [994364776] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 18:56:27,859 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 18:56:27,859 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-11-13 18:56:27,859 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1099302565] [2021-11-13 18:56:27,859 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 18:56:27,860 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-13 18:56:27,861 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 18:56:27,861 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-13 18:56:27,862 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2021-11-13 18:56:27,862 INFO L87 Difference]: Start difference. First operand 1779 states and 2455 transitions. Second operand has 10 states, 10 states have (on average 14.6) internal successors, (146), 5 states have internal predecessors, (146), 2 states have call successors, (68), 6 states have call predecessors, (68), 2 states have return successors, (67), 3 states have call predecessors, (67), 2 states have call successors, (67) [2021-11-13 18:56:30,970 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:56:32,868 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.90s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:56:34,893 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:56:35,290 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 18:56:35,291 INFO L93 Difference]: Finished difference Result 3389 states and 4703 transitions. [2021-11-13 18:56:35,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-13 18:56:35,292 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 14.6) internal successors, (146), 5 states have internal predecessors, (146), 2 states have call successors, (68), 6 states have call predecessors, (68), 2 states have return successors, (67), 3 states have call predecessors, (67), 2 states have call successors, (67) Word has length 667 [2021-11-13 18:56:35,292 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 18:56:35,304 INFO L225 Difference]: With dead ends: 3389 [2021-11-13 18:56:35,305 INFO L226 Difference]: Without dead ends: 1783 [2021-11-13 18:56:35,311 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 226 GetRequests, 215 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=44, Invalid=112, Unknown=0, NotChecked=0, Total=156 [2021-11-13 18:56:35,311 INFO L933 BasicCegarLoop]: 439 mSDtfsCounter, 150 mSDsluCounter, 2324 mSDsCounter, 0 mSdLazyCounter, 783 mSolverCounterSat, 254 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6976.39ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 151 SdHoareTripleChecker+Valid, 2763 SdHoareTripleChecker+Invalid, 1039 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 15.96ms SdHoareTripleChecker+Time, 254 IncrementalHoareTripleChecker+Valid, 783 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7209.48ms IncrementalHoareTripleChecker+Time [2021-11-13 18:56:35,312 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [151 Valid, 2763 Invalid, 1039 Unknown, 0 Unchecked, 15.96ms Time], IncrementalHoareTripleChecker [254 Valid, 783 Invalid, 2 Unknown, 0 Unchecked, 7209.48ms Time] [2021-11-13 18:56:35,314 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1783 states. [2021-11-13 18:56:35,444 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1783 to 1779. [2021-11-13 18:56:35,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1779 states, 1214 states have (on average 1.3336079077429983) internal successors, (1619), 1246 states have internal predecessors, (1619), 418 states have call successors, (418), 147 states have call predecessors, (418), 146 states have return successors, (417), 410 states have call predecessors, (417), 417 states have call successors, (417) [2021-11-13 18:56:35,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1779 states to 1779 states and 2454 transitions. [2021-11-13 18:56:35,456 INFO L78 Accepts]: Start accepts. Automaton has 1779 states and 2454 transitions. Word has length 667 [2021-11-13 18:56:35,457 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 18:56:35,457 INFO L470 AbstractCegarLoop]: Abstraction has 1779 states and 2454 transitions. [2021-11-13 18:56:35,458 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 14.6) internal successors, (146), 5 states have internal predecessors, (146), 2 states have call successors, (68), 6 states have call predecessors, (68), 2 states have return successors, (67), 3 states have call predecessors, (67), 2 states have call successors, (67) [2021-11-13 18:56:35,458 INFO L276 IsEmpty]: Start isEmpty. Operand 1779 states and 2454 transitions. [2021-11-13 18:56:35,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 674 [2021-11-13 18:56:35,469 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 18:56:35,470 INFO L514 BasicCegarLoop]: trace histogram [29, 29, 29, 29, 29, 20, 20, 8, 8, 8, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 18:56:35,470 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-11-13 18:56:35,470 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 18:56:35,471 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:56:35,471 INFO L85 PathProgramCache]: Analyzing trace with hash 97911443, now seen corresponding path program 1 times [2021-11-13 18:56:35,471 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 18:56:35,471 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1984118254] [2021-11-13 18:56:35,472 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:56:35,472 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 18:56:35,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:35,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-13 18:56:35,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:35,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:56:35,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:35,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 18:56:35,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:35,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-11-13 18:56:35,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:35,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:56:35,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:35,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 18:56:35,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:35,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-11-13 18:56:35,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:35,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:56:35,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:35,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 18:56:35,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:35,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-11-13 18:56:35,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:35,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:56:35,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:35,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 18:56:35,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:35,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-11-13 18:56:35,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:36,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2021-11-13 18:56:36,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:36,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2021-11-13 18:56:36,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:36,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2021-11-13 18:56:36,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:36,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-11-13 18:56:36,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:36,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-13 18:56:36,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:36,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-11-13 18:56:36,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:36,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-13 18:56:36,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:36,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2021-11-13 18:56:36,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:36,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:56:36,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:36,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 18:56:36,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:36,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2021-11-13 18:56:36,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:36,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:56:36,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:36,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 18:56:36,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:36,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2021-11-13 18:56:36,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:36,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2021-11-13 18:56:36,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:36,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2021-11-13 18:56:36,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:36,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2021-11-13 18:56:36,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:36,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2021-11-13 18:56:36,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:36,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2021-11-13 18:56:36,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:36,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2021-11-13 18:56:36,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:36,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2021-11-13 18:56:36,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:36,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2021-11-13 18:56:36,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:36,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2021-11-13 18:56:36,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:36,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2021-11-13 18:56:36,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:36,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2021-11-13 18:56:36,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:36,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2021-11-13 18:56:36,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:36,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-11-13 18:56:36,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:36,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2021-11-13 18:56:36,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:36,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-13 18:56:36,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:36,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2021-11-13 18:56:36,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:36,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-11-13 18:56:36,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:36,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-11-13 18:56:36,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:36,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:56:36,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:36,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 18:56:36,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:36,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-11-13 18:56:36,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:36,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:56:36,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:36,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-11-13 18:56:36,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:36,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:56:36,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:36,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 18:56:36,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:36,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-11-13 18:56:36,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:36,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:56:36,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:36,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 18:56:36,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:36,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-11-13 18:56:36,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:36,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:56:36,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:36,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 18:56:36,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:36,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-13 18:56:36,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:36,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 364 [2021-11-13 18:56:36,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:36,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 388 [2021-11-13 18:56:36,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:36,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-11-13 18:56:36,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:36,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-11-13 18:56:36,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:36,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:56:36,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:36,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 18:56:36,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:36,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-11-13 18:56:36,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:36,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:56:36,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:36,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 18:56:36,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:36,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-11-13 18:56:36,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:36,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:56:36,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:36,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 18:56:36,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:36,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2021-11-13 18:56:36,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:36,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:56:36,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:36,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-11-13 18:56:36,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:36,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:56:36,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:36,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 18:56:36,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:36,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-13 18:56:36,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:36,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:56:36,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:36,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 18:56:36,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:36,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-11-13 18:56:36,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:36,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:56:36,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:36,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 18:56:36,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:36,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2021-11-13 18:56:36,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:36,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 521 [2021-11-13 18:56:36,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:36,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-11-13 18:56:36,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:36,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-11-13 18:56:36,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:36,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:56:36,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:36,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 18:56:36,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:36,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-11-13 18:56:36,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:36,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:56:36,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:36,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 18:56:36,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:36,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-11-13 18:56:36,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:36,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:56:36,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:36,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 18:56:36,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:36,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2021-11-13 18:56:36,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:36,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:56:36,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:36,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-11-13 18:56:36,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:36,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:56:36,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:36,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 18:56:36,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:36,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-13 18:56:36,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:36,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:56:36,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:36,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 18:56:36,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:36,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-11-13 18:56:36,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:36,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:56:36,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:36,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 18:56:36,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:36,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2021-11-13 18:56:36,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:36,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 652 [2021-11-13 18:56:36,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:36,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 658 [2021-11-13 18:56:36,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:36,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 663 [2021-11-13 18:56:36,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:36,626 INFO L134 CoverageAnalysis]: Checked inductivity of 3508 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 3488 trivial. 0 not checked. [2021-11-13 18:56:36,626 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 18:56:36,626 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1984118254] [2021-11-13 18:56:36,626 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1984118254] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-13 18:56:36,627 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [808007893] [2021-11-13 18:56:36,627 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:56:36,627 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-13 18:56:36,627 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c752f0a-c894-4139-b5a2-973a2526d32f/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:56:36,631 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c752f0a-c894-4139-b5a2-973a2526d32f/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-13 18:56:36,649 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c752f0a-c894-4139-b5a2-973a2526d32f/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-13 18:56:37,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:37,770 INFO L263 TraceCheckSpWp]: Trace formula consists of 3094 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-13 18:56:37,785 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 18:56:39,152 INFO L134 CoverageAnalysis]: Checked inductivity of 3508 backedges. 169 proven. 0 refuted. 0 times theorem prover too weak. 3339 trivial. 0 not checked. [2021-11-13 18:56:39,152 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-13 18:56:39,152 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [808007893] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 18:56:39,152 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-13 18:56:39,153 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [8] total 10 [2021-11-13 18:56:39,153 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [980804463] [2021-11-13 18:56:39,153 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 18:56:39,154 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-13 18:56:39,158 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 18:56:39,159 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-13 18:56:39,159 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2021-11-13 18:56:39,159 INFO L87 Difference]: Start difference. First operand 1779 states and 2454 transitions. Second operand has 4 states, 4 states have (on average 38.0) internal successors, (152), 4 states have internal predecessors, (152), 2 states have call successors, (70), 2 states have call predecessors, (70), 3 states have return successors, (69), 2 states have call predecessors, (69), 2 states have call successors, (69) [2021-11-13 18:56:39,326 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 18:56:39,326 INFO L93 Difference]: Finished difference Result 3540 states and 4891 transitions. [2021-11-13 18:56:39,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-13 18:56:39,327 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 38.0) internal successors, (152), 4 states have internal predecessors, (152), 2 states have call successors, (70), 2 states have call predecessors, (70), 3 states have return successors, (69), 2 states have call predecessors, (69), 2 states have call successors, (69) Word has length 673 [2021-11-13 18:56:39,328 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 18:56:39,340 INFO L225 Difference]: With dead ends: 3540 [2021-11-13 18:56:39,340 INFO L226 Difference]: Without dead ends: 1780 [2021-11-13 18:56:39,347 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 894 GetRequests, 885 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2021-11-13 18:56:39,348 INFO L933 BasicCegarLoop]: 479 mSDtfsCounter, 3 mSDsluCounter, 945 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 24.89ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 1424 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 2.90ms SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 29.38ms IncrementalHoareTripleChecker+Time [2021-11-13 18:56:39,348 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3 Valid, 1424 Invalid, 23 Unknown, 0 Unchecked, 2.90ms Time], IncrementalHoareTripleChecker [5 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 29.38ms Time] [2021-11-13 18:56:39,351 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1780 states. [2021-11-13 18:56:39,453 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1780 to 1780. [2021-11-13 18:56:39,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1780 states, 1215 states have (on average 1.3333333333333333) internal successors, (1620), 1247 states have internal predecessors, (1620), 418 states have call successors, (418), 147 states have call predecessors, (418), 146 states have return successors, (417), 410 states have call predecessors, (417), 417 states have call successors, (417) [2021-11-13 18:56:39,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1780 states to 1780 states and 2455 transitions. [2021-11-13 18:56:39,483 INFO L78 Accepts]: Start accepts. Automaton has 1780 states and 2455 transitions. Word has length 673 [2021-11-13 18:56:39,484 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 18:56:39,484 INFO L470 AbstractCegarLoop]: Abstraction has 1780 states and 2455 transitions. [2021-11-13 18:56:39,485 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 38.0) internal successors, (152), 4 states have internal predecessors, (152), 2 states have call successors, (70), 2 states have call predecessors, (70), 3 states have return successors, (69), 2 states have call predecessors, (69), 2 states have call successors, (69) [2021-11-13 18:56:39,485 INFO L276 IsEmpty]: Start isEmpty. Operand 1780 states and 2455 transitions. [2021-11-13 18:56:39,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 680 [2021-11-13 18:56:39,500 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 18:56:39,501 INFO L514 BasicCegarLoop]: trace histogram [29, 29, 29, 29, 29, 20, 20, 8, 8, 8, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 18:56:39,543 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c752f0a-c894-4139-b5a2-973a2526d32f/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-11-13 18:56:39,726 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c752f0a-c894-4139-b5a2-973a2526d32f/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-13 18:56:39,727 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 18:56:39,727 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:56:39,727 INFO L85 PathProgramCache]: Analyzing trace with hash -423185253, now seen corresponding path program 1 times [2021-11-13 18:56:39,727 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 18:56:39,728 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [938377211] [2021-11-13 18:56:39,728 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:56:39,728 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 18:56:40,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:40,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-13 18:56:40,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:40,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:56:40,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:40,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 18:56:40,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:40,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-11-13 18:56:40,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:40,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:56:40,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:40,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 18:56:40,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:40,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-11-13 18:56:40,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:40,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:56:40,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:40,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 18:56:40,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:40,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-11-13 18:56:40,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:40,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:56:40,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:40,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 18:56:40,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:40,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-11-13 18:56:40,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:40,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2021-11-13 18:56:40,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:40,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2021-11-13 18:56:40,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:40,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-13 18:56:40,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:40,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2021-11-13 18:56:40,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:40,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2021-11-13 18:56:40,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:40,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-11-13 18:56:40,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:40,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-13 18:56:40,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:40,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2021-11-13 18:56:40,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:40,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:56:40,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:40,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 18:56:40,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:40,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2021-11-13 18:56:40,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:40,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:56:40,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:40,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 18:56:40,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:40,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2021-11-13 18:56:40,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:40,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2021-11-13 18:56:40,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:40,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2021-11-13 18:56:40,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:40,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2021-11-13 18:56:40,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:40,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2021-11-13 18:56:40,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:40,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2021-11-13 18:56:40,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:40,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2021-11-13 18:56:40,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:40,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-11-13 18:56:40,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:40,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2021-11-13 18:56:40,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:40,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2021-11-13 18:56:40,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:40,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2021-11-13 18:56:40,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:40,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2021-11-13 18:56:40,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:40,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2021-11-13 18:56:40,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:40,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2021-11-13 18:56:40,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:40,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2021-11-13 18:56:40,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:40,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-13 18:56:40,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:40,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2021-11-13 18:56:40,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:40,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-11-13 18:56:40,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:40,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-11-13 18:56:40,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:40,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:56:40,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:40,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 18:56:40,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:40,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-11-13 18:56:40,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:40,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:56:40,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:40,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-11-13 18:56:40,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:40,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:56:40,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:40,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 18:56:40,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:40,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-11-13 18:56:40,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:40,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:56:40,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:40,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 18:56:40,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:40,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-11-13 18:56:40,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:40,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:56:40,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:40,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 18:56:40,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:40,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-13 18:56:40,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:40,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 370 [2021-11-13 18:56:40,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:40,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 394 [2021-11-13 18:56:40,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:40,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-11-13 18:56:40,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:40,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-11-13 18:56:40,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:40,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:56:40,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:40,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 18:56:40,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:40,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-11-13 18:56:40,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:40,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:56:40,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:40,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 18:56:40,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:40,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-11-13 18:56:40,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:40,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:56:40,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:40,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 18:56:40,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:40,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2021-11-13 18:56:40,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:40,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:56:40,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:40,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-11-13 18:56:40,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:40,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:56:40,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:40,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 18:56:40,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:40,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-13 18:56:40,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:40,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:56:40,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:40,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 18:56:40,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:40,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-11-13 18:56:40,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:40,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:56:40,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:40,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 18:56:40,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:40,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2021-11-13 18:56:40,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:40,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 527 [2021-11-13 18:56:40,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:40,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-11-13 18:56:40,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:40,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-11-13 18:56:40,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:40,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:56:40,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:40,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 18:56:40,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:40,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-11-13 18:56:40,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:40,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:56:40,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:40,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 18:56:40,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:40,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-11-13 18:56:40,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:40,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:56:40,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:40,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 18:56:40,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:40,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2021-11-13 18:56:40,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:40,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:56:40,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:40,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-11-13 18:56:40,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:40,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:56:40,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:40,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 18:56:40,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:40,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-13 18:56:40,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:40,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:56:40,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:40,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 18:56:40,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:40,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-11-13 18:56:40,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:40,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:56:40,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:40,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 18:56:40,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:40,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2021-11-13 18:56:40,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:40,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 658 [2021-11-13 18:56:40,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:40,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 664 [2021-11-13 18:56:40,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:40,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 669 [2021-11-13 18:56:40,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:40,885 INFO L134 CoverageAnalysis]: Checked inductivity of 3559 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 3523 trivial. 0 not checked. [2021-11-13 18:56:40,885 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 18:56:40,886 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [938377211] [2021-11-13 18:56:40,886 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [938377211] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-13 18:56:40,886 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [171132527] [2021-11-13 18:56:40,886 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:56:40,886 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-13 18:56:40,887 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c752f0a-c894-4139-b5a2-973a2526d32f/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:56:40,895 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c752f0a-c894-4139-b5a2-973a2526d32f/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-13 18:56:40,912 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c752f0a-c894-4139-b5a2-973a2526d32f/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-11-13 18:56:42,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:42,662 INFO L263 TraceCheckSpWp]: Trace formula consists of 3130 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-13 18:56:42,696 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 18:56:44,085 INFO L134 CoverageAnalysis]: Checked inductivity of 3559 backedges. 184 proven. 1 refuted. 0 times theorem prover too weak. 3374 trivial. 0 not checked. [2021-11-13 18:56:44,085 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 18:56:45,835 INFO L134 CoverageAnalysis]: Checked inductivity of 3559 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 3523 trivial. 0 not checked. [2021-11-13 18:56:45,835 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [171132527] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-13 18:56:45,835 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-13 18:56:45,836 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 5, 5] total 14 [2021-11-13 18:56:45,840 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [790313699] [2021-11-13 18:56:45,840 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-13 18:56:45,842 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-13 18:56:45,843 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 18:56:45,843 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-13 18:56:45,843 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=137, Unknown=0, NotChecked=0, Total=182 [2021-11-13 18:56:45,844 INFO L87 Difference]: Start difference. First operand 1780 states and 2455 transitions. Second operand has 14 states, 14 states have (on average 15.5) internal successors, (217), 10 states have internal predecessors, (217), 2 states have call successors, (145), 6 states have call predecessors, (145), 4 states have return successors, (130), 2 states have call predecessors, (130), 2 states have call successors, (130) [2021-11-13 18:56:49,373 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:56:51,388 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:56:51,766 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 18:56:51,766 INFO L93 Difference]: Finished difference Result 3556 states and 4917 transitions. [2021-11-13 18:56:51,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-11-13 18:56:51,767 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 15.5) internal successors, (217), 10 states have internal predecessors, (217), 2 states have call successors, (145), 6 states have call predecessors, (145), 4 states have return successors, (130), 2 states have call predecessors, (130), 2 states have call successors, (130) Word has length 679 [2021-11-13 18:56:51,768 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 18:56:51,780 INFO L225 Difference]: With dead ends: 3556 [2021-11-13 18:56:51,780 INFO L226 Difference]: Without dead ends: 1795 [2021-11-13 18:56:51,788 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 1592 GetRequests, 1567 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 138 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=193, Invalid=509, Unknown=0, NotChecked=0, Total=702 [2021-11-13 18:56:51,789 INFO L933 BasicCegarLoop]: 431 mSDtfsCounter, 301 mSDsluCounter, 1505 mSDsCounter, 0 mSdLazyCounter, 599 mSolverCounterSat, 546 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5181.10ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 302 SdHoareTripleChecker+Valid, 1936 SdHoareTripleChecker+Invalid, 1147 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 13.45ms SdHoareTripleChecker+Time, 546 IncrementalHoareTripleChecker+Valid, 599 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5387.04ms IncrementalHoareTripleChecker+Time [2021-11-13 18:56:51,789 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [302 Valid, 1936 Invalid, 1147 Unknown, 0 Unchecked, 13.45ms Time], IncrementalHoareTripleChecker [546 Valid, 599 Invalid, 2 Unknown, 0 Unchecked, 5387.04ms Time] [2021-11-13 18:56:51,792 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1795 states. [2021-11-13 18:56:51,902 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1795 to 1790. [2021-11-13 18:56:51,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1790 states, 1224 states have (on average 1.3333333333333333) internal successors, (1632), 1256 states have internal predecessors, (1632), 418 states have call successors, (418), 148 states have call predecessors, (418), 147 states have return successors, (417), 410 states have call predecessors, (417), 417 states have call successors, (417) [2021-11-13 18:56:51,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1790 states to 1790 states and 2467 transitions. [2021-11-13 18:56:51,912 INFO L78 Accepts]: Start accepts. Automaton has 1790 states and 2467 transitions. Word has length 679 [2021-11-13 18:56:51,912 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 18:56:51,913 INFO L470 AbstractCegarLoop]: Abstraction has 1790 states and 2467 transitions. [2021-11-13 18:56:51,913 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 15.5) internal successors, (217), 10 states have internal predecessors, (217), 2 states have call successors, (145), 6 states have call predecessors, (145), 4 states have return successors, (130), 2 states have call predecessors, (130), 2 states have call successors, (130) [2021-11-13 18:56:51,913 INFO L276 IsEmpty]: Start isEmpty. Operand 1790 states and 2467 transitions. [2021-11-13 18:56:51,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 694 [2021-11-13 18:56:51,924 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 18:56:51,925 INFO L514 BasicCegarLoop]: trace histogram [29, 29, 29, 29, 29, 20, 20, 20, 8, 8, 8, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 18:56:51,968 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c752f0a-c894-4139-b5a2-973a2526d32f/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-11-13 18:56:52,138 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c752f0a-c894-4139-b5a2-973a2526d32f/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-13 18:56:52,139 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 18:56:52,139 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:56:52,139 INFO L85 PathProgramCache]: Analyzing trace with hash 1599308883, now seen corresponding path program 2 times [2021-11-13 18:56:52,140 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 18:56:52,140 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1449365582] [2021-11-13 18:56:52,140 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:56:52,140 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 18:56:52,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:52,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-13 18:56:52,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:52,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:56:52,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:52,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 18:56:52,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:52,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-11-13 18:56:52,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:52,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:56:52,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:52,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 18:56:52,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:52,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-11-13 18:56:52,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:52,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:56:52,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:52,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 18:56:52,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:52,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-11-13 18:56:52,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:52,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:56:52,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:52,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 18:56:52,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:52,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-11-13 18:56:52,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:52,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-11-13 18:56:52,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:52,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-11-13 18:56:52,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:52,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-11-13 18:56:52,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:52,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-11-13 18:56:52,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:52,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2021-11-13 18:56:52,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:52,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2021-11-13 18:56:52,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:52,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-13 18:56:52,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:52,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2021-11-13 18:56:52,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:52,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:56:52,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:52,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 18:56:52,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:52,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2021-11-13 18:56:52,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:52,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:56:53,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:53,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 18:56:53,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:53,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2021-11-13 18:56:53,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:53,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2021-11-13 18:56:53,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:53,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-11-13 18:56:53,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:53,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2021-11-13 18:56:53,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:53,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2021-11-13 18:56:53,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:53,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-11-13 18:56:53,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:53,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2021-11-13 18:56:53,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:53,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2021-11-13 18:56:53,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:53,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2021-11-13 18:56:53,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:53,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2021-11-13 18:56:53,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:53,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2021-11-13 18:56:53,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:53,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2021-11-13 18:56:53,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:53,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2021-11-13 18:56:53,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:53,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2021-11-13 18:56:53,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:53,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2021-11-13 18:56:53,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:53,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-13 18:56:53,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:53,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2021-11-13 18:56:53,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:53,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-11-13 18:56:53,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:53,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-11-13 18:56:53,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:53,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:56:53,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:53,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 18:56:53,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:53,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-11-13 18:56:53,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:53,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:56:53,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:53,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-11-13 18:56:53,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:53,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:56:53,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:53,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 18:56:53,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:53,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-11-13 18:56:53,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:53,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:56:53,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:53,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 18:56:53,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:53,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-11-13 18:56:53,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:53,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:56:53,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:53,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 18:56:53,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:53,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-13 18:56:53,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:53,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 384 [2021-11-13 18:56:53,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:53,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 408 [2021-11-13 18:56:53,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:53,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-11-13 18:56:53,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:53,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-11-13 18:56:53,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:53,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:56:53,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:53,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 18:56:53,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:53,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-11-13 18:56:53,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:53,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:56:53,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:53,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 18:56:53,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:53,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-11-13 18:56:53,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:53,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:56:53,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:53,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 18:56:53,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:53,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2021-11-13 18:56:53,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:53,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:56:53,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:53,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-11-13 18:56:53,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:53,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:56:53,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:53,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 18:56:53,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:53,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-13 18:56:53,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:53,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:56:53,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:53,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 18:56:53,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:53,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-11-13 18:56:53,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:53,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:56:53,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:53,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 18:56:53,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:53,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2021-11-13 18:56:53,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:53,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 541 [2021-11-13 18:56:53,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:53,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-11-13 18:56:53,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:53,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-11-13 18:56:53,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:53,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:56:53,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:53,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 18:56:53,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:53,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-11-13 18:56:53,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:53,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:56:53,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:53,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 18:56:53,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:53,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-11-13 18:56:53,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:53,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:56:53,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:53,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 18:56:53,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:53,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2021-11-13 18:56:53,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:53,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:56:53,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:53,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-11-13 18:56:53,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:53,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:56:53,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:53,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 18:56:53,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:53,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-13 18:56:53,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:53,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:56:53,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:53,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 18:56:53,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:53,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-11-13 18:56:53,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:53,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:56:53,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:53,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 18:56:53,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:53,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2021-11-13 18:56:53,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:53,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 672 [2021-11-13 18:56:53,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:53,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 678 [2021-11-13 18:56:53,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:53,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 683 [2021-11-13 18:56:53,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:56:53,408 INFO L134 CoverageAnalysis]: Checked inductivity of 3818 backedges. 0 proven. 130 refuted. 0 times theorem prover too weak. 3688 trivial. 0 not checked. [2021-11-13 18:56:53,409 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 18:56:53,409 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1449365582] [2021-11-13 18:56:53,409 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1449365582] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-13 18:56:53,409 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2064852700] [2021-11-13 18:56:53,410 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-13 18:56:53,410 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-13 18:56:53,410 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c752f0a-c894-4139-b5a2-973a2526d32f/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:56:53,411 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c752f0a-c894-4139-b5a2-973a2526d32f/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-13 18:56:53,431 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c752f0a-c894-4139-b5a2-973a2526d32f/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-11-13 18:56:54,451 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-11-13 18:56:54,451 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-13 18:56:54,470 INFO L263 TraceCheckSpWp]: Trace formula consists of 3214 conjuncts, 25 conjunts are in the unsatisfiable core [2021-11-13 18:56:54,485 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 18:56:56,085 INFO L134 CoverageAnalysis]: Checked inductivity of 3818 backedges. 373 proven. 50 refuted. 0 times theorem prover too weak. 3395 trivial. 0 not checked. [2021-11-13 18:56:56,085 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 18:56:57,907 INFO L134 CoverageAnalysis]: Checked inductivity of 3818 backedges. 36 proven. 51 refuted. 0 times theorem prover too weak. 3731 trivial. 0 not checked. [2021-11-13 18:56:57,907 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2064852700] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-13 18:56:57,907 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-13 18:56:57,908 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 11, 6] total 25 [2021-11-13 18:56:57,908 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1498251947] [2021-11-13 18:56:57,908 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-13 18:56:57,910 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2021-11-13 18:56:57,910 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 18:56:57,911 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-11-13 18:56:57,911 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=521, Unknown=0, NotChecked=0, Total=600 [2021-11-13 18:56:57,911 INFO L87 Difference]: Start difference. First operand 1790 states and 2467 transitions. Second operand has 25 states, 25 states have (on average 9.28) internal successors, (232), 21 states have internal predecessors, (232), 2 states have call successors, (143), 6 states have call predecessors, (143), 5 states have return successors, (131), 2 states have call predecessors, (131), 2 states have call successors, (131) [2021-11-13 18:57:02,509 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:57:04,523 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:57:05,083 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 18:57:05,084 INFO L93 Difference]: Finished difference Result 3574 states and 4933 transitions. [2021-11-13 18:57:05,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-11-13 18:57:05,085 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 25 states have (on average 9.28) internal successors, (232), 21 states have internal predecessors, (232), 2 states have call successors, (143), 6 states have call predecessors, (143), 5 states have return successors, (131), 2 states have call predecessors, (131), 2 states have call successors, (131) Word has length 693 [2021-11-13 18:57:05,085 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 18:57:05,098 INFO L225 Difference]: With dead ends: 3574 [2021-11-13 18:57:05,098 INFO L226 Difference]: Without dead ends: 1793 [2021-11-13 18:57:05,106 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 1630 GetRequests, 1589 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 309 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=311, Invalid=1495, Unknown=0, NotChecked=0, Total=1806 [2021-11-13 18:57:05,107 INFO L933 BasicCegarLoop]: 434 mSDtfsCounter, 340 mSDsluCounter, 4593 mSDsCounter, 0 mSdLazyCounter, 1802 mSolverCounterSat, 464 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5980.82ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 341 SdHoareTripleChecker+Valid, 5027 SdHoareTripleChecker+Invalid, 2268 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 26.97ms SdHoareTripleChecker+Time, 464 IncrementalHoareTripleChecker+Valid, 1802 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6335.93ms IncrementalHoareTripleChecker+Time [2021-11-13 18:57:05,107 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [341 Valid, 5027 Invalid, 2268 Unknown, 0 Unchecked, 26.97ms Time], IncrementalHoareTripleChecker [464 Valid, 1802 Invalid, 2 Unknown, 0 Unchecked, 6335.93ms Time] [2021-11-13 18:57:05,111 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1793 states. [2021-11-13 18:57:05,241 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1793 to 1793. [2021-11-13 18:57:05,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1793 states, 1227 states have (on average 1.3300733496332517) internal successors, (1632), 1259 states have internal predecessors, (1632), 418 states have call successors, (418), 148 states have call predecessors, (418), 147 states have return successors, (417), 410 states have call predecessors, (417), 417 states have call successors, (417) [2021-11-13 18:57:05,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1793 states to 1793 states and 2467 transitions. [2021-11-13 18:57:05,251 INFO L78 Accepts]: Start accepts. Automaton has 1793 states and 2467 transitions. Word has length 693 [2021-11-13 18:57:05,251 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 18:57:05,252 INFO L470 AbstractCegarLoop]: Abstraction has 1793 states and 2467 transitions. [2021-11-13 18:57:05,252 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 9.28) internal successors, (232), 21 states have internal predecessors, (232), 2 states have call successors, (143), 6 states have call predecessors, (143), 5 states have return successors, (131), 2 states have call predecessors, (131), 2 states have call successors, (131) [2021-11-13 18:57:05,252 INFO L276 IsEmpty]: Start isEmpty. Operand 1793 states and 2467 transitions. [2021-11-13 18:57:05,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 702 [2021-11-13 18:57:05,264 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 18:57:05,264 INFO L514 BasicCegarLoop]: trace histogram [29, 29, 29, 29, 29, 28, 20, 20, 8, 8, 8, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 18:57:05,308 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c752f0a-c894-4139-b5a2-973a2526d32f/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-11-13 18:57:05,480 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c752f0a-c894-4139-b5a2-973a2526d32f/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2021-11-13 18:57:05,481 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 18:57:05,481 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:57:05,481 INFO L85 PathProgramCache]: Analyzing trace with hash 721443663, now seen corresponding path program 3 times [2021-11-13 18:57:05,482 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 18:57:05,482 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [865177245] [2021-11-13 18:57:05,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:57:05,482 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 18:57:05,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:57:05,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-13 18:57:05,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:57:05,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:57:05,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:57:05,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 18:57:05,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:57:05,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-11-13 18:57:05,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:57:05,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:57:05,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:57:05,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 18:57:05,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:57:05,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-11-13 18:57:05,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:57:05,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:57:05,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:57:05,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 18:57:05,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:57:05,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-11-13 18:57:05,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:57:05,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:57:05,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:57:05,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 18:57:05,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:57:05,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-11-13 18:57:05,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:57:06,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-11-13 18:57:06,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:57:06,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-11-13 18:57:06,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:57:06,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-13 18:57:06,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:57:06,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-11-13 18:57:06,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:57:06,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2021-11-13 18:57:06,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:57:06,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2021-11-13 18:57:06,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:57:06,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-13 18:57:06,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:57:06,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-11-13 18:57:06,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:57:06,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:57:06,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:57:06,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 18:57:06,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:57:06,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2021-11-13 18:57:06,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:57:06,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:57:06,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:57:06,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 18:57:06,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:57:06,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2021-11-13 18:57:06,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:57:06,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2021-11-13 18:57:06,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:57:06,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2021-11-13 18:57:06,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:57:06,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2021-11-13 18:57:06,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:57:06,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2021-11-13 18:57:06,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:57:06,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2021-11-13 18:57:06,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:57:06,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2021-11-13 18:57:06,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:57:06,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-11-13 18:57:06,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:57:06,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2021-11-13 18:57:06,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:57:06,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2021-11-13 18:57:06,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:57:06,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2021-11-13 18:57:06,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:57:06,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2021-11-13 18:57:06,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:57:06,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2021-11-13 18:57:06,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:57:06,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2021-11-13 18:57:06,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:57:06,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2021-11-13 18:57:06,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:57:06,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-13 18:57:06,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:57:06,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2021-11-13 18:57:06,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:57:06,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-11-13 18:57:06,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:57:06,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-11-13 18:57:06,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:57:06,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:57:06,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:57:06,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 18:57:06,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:57:06,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-11-13 18:57:06,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:57:06,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:57:06,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:57:06,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-11-13 18:57:06,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:57:06,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:57:06,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:57:06,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 18:57:06,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:57:06,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-11-13 18:57:06,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:57:06,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:57:06,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:57:06,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 18:57:06,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:57:06,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-11-13 18:57:06,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:57:06,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:57:06,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:57:06,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 18:57:06,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:57:06,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-13 18:57:06,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:57:06,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 392 [2021-11-13 18:57:06,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:57:06,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 416 [2021-11-13 18:57:06,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:57:06,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-11-13 18:57:06,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:57:06,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-11-13 18:57:06,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:57:06,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:57:06,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:57:06,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 18:57:06,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:57:06,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-11-13 18:57:06,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:57:06,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:57:06,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:57:06,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 18:57:06,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:57:06,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-11-13 18:57:06,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:57:06,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:57:06,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:57:06,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 18:57:06,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:57:06,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2021-11-13 18:57:06,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:57:06,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:57:06,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:57:06,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-11-13 18:57:06,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:57:06,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:57:06,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:57:06,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 18:57:06,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:57:06,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-13 18:57:06,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:57:06,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:57:06,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:57:06,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 18:57:06,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:57:06,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-11-13 18:57:06,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:57:06,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:57:06,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:57:06,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 18:57:06,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:57:06,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2021-11-13 18:57:06,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:57:06,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 549 [2021-11-13 18:57:06,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:57:06,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-11-13 18:57:06,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:57:06,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-11-13 18:57:06,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:57:06,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:57:06,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:57:06,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 18:57:06,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:57:06,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-11-13 18:57:06,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:57:06,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:57:06,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:57:06,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 18:57:06,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:57:06,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-11-13 18:57:06,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:57:06,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:57:06,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:57:06,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 18:57:06,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:57:06,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2021-11-13 18:57:06,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:57:06,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:57:06,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:57:06,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-11-13 18:57:06,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:57:06,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:57:06,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:57:06,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 18:57:06,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:57:06,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-11-13 18:57:06,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:57:06,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:57:06,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:57:06,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 18:57:06,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:57:06,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-11-13 18:57:06,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:57:06,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:57:06,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:57:06,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 18:57:06,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:57:06,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2021-11-13 18:57:06,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:57:06,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 680 [2021-11-13 18:57:06,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:57:06,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 686 [2021-11-13 18:57:06,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:57:06,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 691 [2021-11-13 18:57:06,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:57:06,765 INFO L134 CoverageAnalysis]: Checked inductivity of 4054 backedges. 0 proven. 198 refuted. 0 times theorem prover too weak. 3856 trivial. 0 not checked. [2021-11-13 18:57:06,765 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 18:57:06,765 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [865177245] [2021-11-13 18:57:06,766 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [865177245] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-13 18:57:06,766 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1290139459] [2021-11-13 18:57:06,767 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-11-13 18:57:06,767 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-13 18:57:06,767 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c752f0a-c894-4139-b5a2-973a2526d32f/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:57:06,771 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c752f0a-c894-4139-b5a2-973a2526d32f/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-13 18:57:06,792 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c752f0a-c894-4139-b5a2-973a2526d32f/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-11-13 18:57:11,524 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2021-11-13 18:57:11,524 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-13 18:57:11,547 INFO L263 TraceCheckSpWp]: Trace formula consists of 2762 conjuncts, 20 conjunts are in the unsatisfiable core [2021-11-13 18:57:11,561 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 18:57:12,973 INFO L134 CoverageAnalysis]: Checked inductivity of 4054 backedges. 327 proven. 15 refuted. 0 times theorem prover too weak. 3712 trivial. 0 not checked. [2021-11-13 18:57:12,974 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 18:57:15,084 INFO L134 CoverageAnalysis]: Checked inductivity of 4054 backedges. 183 proven. 15 refuted. 0 times theorem prover too weak. 3856 trivial. 0 not checked. [2021-11-13 18:57:15,084 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1290139459] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-13 18:57:15,084 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-13 18:57:15,085 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 9, 9] total 26 [2021-11-13 18:57:15,085 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1065978118] [2021-11-13 18:57:15,085 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-13 18:57:15,087 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2021-11-13 18:57:15,087 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 18:57:15,088 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2021-11-13 18:57:15,088 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=145, Invalid=505, Unknown=0, NotChecked=0, Total=650 [2021-11-13 18:57:15,089 INFO L87 Difference]: Start difference. First operand 1793 states and 2467 transitions. Second operand has 26 states, 26 states have (on average 8.807692307692308) internal successors, (229), 22 states have internal predecessors, (229), 2 states have call successors, (140), 6 states have call predecessors, (140), 4 states have return successors, (131), 2 states have call predecessors, (131), 2 states have call successors, (131) [2021-11-13 18:57:21,094 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:57:23,113 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:57:23,616 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 18:57:23,617 INFO L93 Difference]: Finished difference Result 3580 states and 4939 transitions. [2021-11-13 18:57:23,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-11-13 18:57:23,617 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 8.807692307692308) internal successors, (229), 22 states have internal predecessors, (229), 2 states have call successors, (140), 6 states have call predecessors, (140), 4 states have return successors, (131), 2 states have call predecessors, (131), 2 states have call successors, (131) Word has length 701 [2021-11-13 18:57:23,617 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 18:57:23,630 INFO L225 Difference]: With dead ends: 3580 [2021-11-13 18:57:23,630 INFO L226 Difference]: Without dead ends: 1803 [2021-11-13 18:57:23,638 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 1649 GetRequests, 1603 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 514 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=510, Invalid=1746, Unknown=0, NotChecked=0, Total=2256 [2021-11-13 18:57:23,638 INFO L933 BasicCegarLoop]: 433 mSDtfsCounter, 288 mSDsluCounter, 3143 mSDsCounter, 0 mSdLazyCounter, 1290 mSolverCounterSat, 454 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6081.96ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 289 SdHoareTripleChecker+Valid, 3576 SdHoareTripleChecker+Invalid, 1746 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 19.41ms SdHoareTripleChecker+Time, 454 IncrementalHoareTripleChecker+Valid, 1290 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6407.49ms IncrementalHoareTripleChecker+Time [2021-11-13 18:57:23,639 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [289 Valid, 3576 Invalid, 1746 Unknown, 0 Unchecked, 19.41ms Time], IncrementalHoareTripleChecker [454 Valid, 1290 Invalid, 2 Unknown, 0 Unchecked, 6407.49ms Time] [2021-11-13 18:57:23,642 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1803 states. [2021-11-13 18:57:23,741 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1803 to 1800. [2021-11-13 18:57:23,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1800 states, 1234 states have (on average 1.3290113452188006) internal successors, (1640), 1266 states have internal predecessors, (1640), 418 states have call successors, (418), 148 states have call predecessors, (418), 147 states have return successors, (417), 410 states have call predecessors, (417), 417 states have call successors, (417) [2021-11-13 18:57:23,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1800 states to 1800 states and 2475 transitions. [2021-11-13 18:57:23,751 INFO L78 Accepts]: Start accepts. Automaton has 1800 states and 2475 transitions. Word has length 701 [2021-11-13 18:57:23,751 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 18:57:23,752 INFO L470 AbstractCegarLoop]: Abstraction has 1800 states and 2475 transitions. [2021-11-13 18:57:23,752 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 8.807692307692308) internal successors, (229), 22 states have internal predecessors, (229), 2 states have call successors, (140), 6 states have call predecessors, (140), 4 states have return successors, (131), 2 states have call predecessors, (131), 2 states have call successors, (131) [2021-11-13 18:57:23,752 INFO L276 IsEmpty]: Start isEmpty. Operand 1800 states and 2475 transitions. [2021-11-13 18:57:23,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 714 [2021-11-13 18:57:23,764 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 18:57:23,764 INFO L514 BasicCegarLoop]: trace histogram [40, 29, 29, 29, 29, 29, 20, 20, 8, 8, 8, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 18:57:23,785 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c752f0a-c894-4139-b5a2-973a2526d32f/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2021-11-13 18:57:23,977 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c752f0a-c894-4139-b5a2-973a2526d32f/bin/uautomizer-YU5uOKAj3y/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2021-11-13 18:57:23,977 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 18:57:23,978 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:57:23,978 INFO L85 PathProgramCache]: Analyzing trace with hash -340310509, now seen corresponding path program 4 times [2021-11-13 18:57:23,978 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 18:57:23,978 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [92077760] [2021-11-13 18:57:23,978 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:57:23,978 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 18:57:25,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 18:57:25,961 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-13 18:57:27,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 18:57:29,188 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-13 18:57:29,188 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-11-13 18:57:29,189 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-11-13 18:57:29,190 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-11-13 18:57:29,192 INFO L732 BasicCegarLoop]: Path program histogram: [4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 18:57:29,196 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-13 18:57:29,295 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-13 18:57:29,295 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-13 18:57:29,296 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-13 18:57:29,296 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-13 18:57:29,297 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-13 18:57:29,297 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-13 18:57:29,297 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-13 18:57:29,298 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-13 18:57:29,298 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-13 18:57:29,298 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-13 18:57:29,299 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-13 18:57:29,299 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-13 18:57:29,300 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-13 18:57:29,300 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-13 18:57:29,300 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-13 18:57:29,301 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-13 18:57:29,301 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-13 18:57:29,301 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-13 18:57:29,302 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-13 18:57:29,302 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-13 18:57:29,303 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-13 18:57:29,303 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-13 18:57:29,303 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-11-13 18:57:29,303 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-11-13 18:57:29,304 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-13 18:57:29,304 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-13 18:57:29,304 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-11-13 18:57:29,304 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-11-13 18:57:29,305 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-13 18:57:29,306 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-13 18:57:29,306 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-13 18:57:29,306 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-13 18:57:29,307 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-13 18:57:29,307 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-13 18:57:29,307 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-13 18:57:29,308 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-13 18:57:29,308 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-13 18:57:29,308 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-13 18:57:29,309 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-13 18:57:29,309 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-13 18:57:29,309 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-13 18:57:29,310 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-13 18:57:29,310 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-13 18:57:29,310 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-13 18:57:29,311 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-13 18:57:29,311 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-13 18:57:29,311 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-13 18:57:29,312 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-13 18:57:29,312 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-13 18:57:29,312 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-13 18:57:29,313 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-11-13 18:57:29,313 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-11-13 18:57:29,313 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-13 18:57:29,313 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-13 18:57:29,314 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-11-13 18:57:29,314 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-11-13 18:57:29,315 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-13 18:57:29,315 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-13 18:57:29,316 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-13 18:57:29,316 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-13 18:57:29,316 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-13 18:57:29,316 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-13 18:57:29,317 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-13 18:57:29,317 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-13 18:57:29,318 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-13 18:57:29,318 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-13 18:57:29,318 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-13 18:57:29,318 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-13 18:57:29,319 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-13 18:57:29,319 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-13 18:57:29,319 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-11-13 18:57:29,320 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-11-13 18:57:29,320 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-13 18:57:29,320 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-13 18:57:29,320 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-11-13 18:57:29,321 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-11-13 18:57:29,322 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-13 18:57:29,322 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-13 18:57:29,323 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-13 18:57:29,323 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-13 18:57:29,323 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-13 18:57:29,323 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-13 18:57:29,324 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-13 18:57:29,324 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-13 18:57:29,325 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-13 18:57:29,325 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-13 18:57:29,325 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-13 18:57:29,325 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-13 18:57:29,326 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-13 18:57:29,326 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-13 18:57:29,326 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-13 18:57:29,327 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-13 18:57:29,327 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-13 18:57:29,327 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-13 18:57:29,328 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-13 18:57:29,328 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-13 18:57:29,328 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-13 18:57:29,329 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-13 18:57:29,329 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-11-13 18:57:29,329 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-11-13 18:57:29,330 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-13 18:57:29,330 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-13 18:57:29,330 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-11-13 18:57:29,330 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-11-13 18:57:29,331 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-13 18:57:29,332 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-13 18:57:29,332 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-13 18:57:29,332 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-13 18:57:29,333 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-13 18:57:29,333 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-13 18:57:29,333 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-13 18:57:29,334 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-13 18:57:29,334 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-13 18:57:29,334 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-13 18:57:29,335 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-13 18:57:29,335 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-13 18:57:29,335 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-13 18:57:29,335 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-13 18:57:29,336 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-11-13 18:57:29,336 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-11-13 18:57:29,336 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-13 18:57:29,337 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-13 18:57:29,337 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-11-13 18:57:29,337 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-11-13 18:57:29,338 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-13 18:57:29,338 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-13 18:57:29,339 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-13 18:57:29,339 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-13 18:57:29,339 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-13 18:57:29,340 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-13 18:57:29,340 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-13 18:57:29,340 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-13 18:57:29,341 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-13 18:57:29,341 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-13 18:57:29,341 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-13 18:57:29,342 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-13 18:57:29,342 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-13 18:57:29,342 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-13 18:57:29,343 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-13 18:57:29,343 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-13 18:57:29,343 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-13 18:57:29,344 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-13 18:57:29,344 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-13 18:57:29,344 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-13 18:57:29,345 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-13 18:57:29,345 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-13 18:57:29,345 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-11-13 18:57:29,345 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-11-13 18:57:29,346 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-13 18:57:29,346 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-13 18:57:29,346 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-11-13 18:57:29,346 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-11-13 18:57:29,562 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.NullPointerException at de.uni_freiburg.informatik.ultimate.boogie.procedureinliner.backtranslation.InlinerBacktranslator.computeCurrectProc(InlinerBacktranslator.java:230) at de.uni_freiburg.informatik.ultimate.boogie.procedureinliner.backtranslation.InlinerBacktranslator.translateProgramExecution(InlinerBacktranslator.java:203) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateProgramExecution(ModelTranslationContainer.java:216) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateProgramExecution(ModelTranslationContainer.java:225) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateProgramExecution(ModelTranslationContainer.java:225) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateProgramExecution(ModelTranslationContainer.java:206) at de.uni_freiburg.informatik.ultimate.core.lib.results.UnprovableResult.getProgramExecutionAsString(UnprovableResult.java:132) at de.uni_freiburg.informatik.ultimate.core.lib.results.UnprovableResult.getLongDescription(UnprovableResult.java:125) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ResultService.reportResult(ResultService.java:86) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopResultReporter.reportResult(CegarLoopResultReporter.java:141) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.reportLocationResults(TraceAbstractionStarter.java:586) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:181) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:155) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-13 18:57:29,565 INFO L158 Benchmark]: Toolchain (without parser) took 148633.21ms. Allocated memory was 83.9MB in the beginning and 587.2MB in the end (delta: 503.3MB). Free memory was 61.6MB in the beginning and 404.1MB in the end (delta: -342.4MB). Peak memory consumption was 454.9MB. Max. memory is 16.1GB. [2021-11-13 18:57:29,565 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 83.9MB. Free memory was 57.4MB in the beginning and 57.4MB in the end (delta: 28.3kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-13 18:57:29,566 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1306.12ms. Allocated memory was 83.9MB in the beginning and 100.7MB in the end (delta: 16.8MB). Free memory was 61.3MB in the beginning and 46.1MB in the end (delta: 15.3MB). Peak memory consumption was 31.6MB. Max. memory is 16.1GB. [2021-11-13 18:57:29,566 INFO L158 Benchmark]: Boogie Procedure Inliner took 98.46ms. Allocated memory is still 100.7MB. Free memory was 46.1MB in the beginning and 41.0MB in the end (delta: 5.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-13 18:57:29,566 INFO L158 Benchmark]: Boogie Preprocessor took 141.96ms. Allocated memory is still 100.7MB. Free memory was 41.0MB in the beginning and 62.4MB in the end (delta: -21.4MB). Peak memory consumption was 17.0MB. Max. memory is 16.1GB. [2021-11-13 18:57:29,567 INFO L158 Benchmark]: RCFGBuilder took 3084.43ms. Allocated memory was 100.7MB in the beginning and 148.9MB in the end (delta: 48.2MB). Free memory was 62.4MB in the beginning and 97.2MB in the end (delta: -34.8MB). Peak memory consumption was 69.5MB. Max. memory is 16.1GB. [2021-11-13 18:57:29,567 INFO L158 Benchmark]: TraceAbstraction took 143995.52ms. Allocated memory was 148.9MB in the beginning and 587.2MB in the end (delta: 438.3MB). Free memory was 96.1MB in the beginning and 404.1MB in the end (delta: -307.9MB). Peak memory consumption was 425.0MB. Max. memory is 16.1GB. [2021-11-13 18:57:29,574 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 83.9MB. Free memory was 57.4MB in the beginning and 57.4MB in the end (delta: 28.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1306.12ms. Allocated memory was 83.9MB in the beginning and 100.7MB in the end (delta: 16.8MB). Free memory was 61.3MB in the beginning and 46.1MB in the end (delta: 15.3MB). Peak memory consumption was 31.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 98.46ms. Allocated memory is still 100.7MB. Free memory was 46.1MB in the beginning and 41.0MB in the end (delta: 5.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 141.96ms. Allocated memory is still 100.7MB. Free memory was 41.0MB in the beginning and 62.4MB in the end (delta: -21.4MB). Peak memory consumption was 17.0MB. Max. memory is 16.1GB. * RCFGBuilder took 3084.43ms. Allocated memory was 100.7MB in the beginning and 148.9MB in the end (delta: 48.2MB). Free memory was 62.4MB in the beginning and 97.2MB in the end (delta: -34.8MB). Peak memory consumption was 69.5MB. Max. memory is 16.1GB. * TraceAbstraction took 143995.52ms. Allocated memory was 148.9MB in the beginning and 587.2MB in the end (delta: 438.3MB). Free memory was 96.1MB in the beginning and 404.1MB in the end (delta: -307.9MB). Peak memory consumption was 425.0MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - ExceptionOrErrorResult: NullPointerException: null de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: NullPointerException: null: de.uni_freiburg.informatik.ultimate.boogie.procedureinliner.backtranslation.InlinerBacktranslator.computeCurrectProc(InlinerBacktranslator.java:230) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-13 18:57:29,619 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c752f0a-c894-4139-b5a2-973a2526d32f/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c752f0a-c894-4139-b5a2-973a2526d32f/bin/uautomizer-YU5uOKAj3y/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c752f0a-c894-4139-b5a2-973a2526d32f/bin/uautomizer-YU5uOKAj3y/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c752f0a-c894-4139-b5a2-973a2526d32f/bin/uautomizer-YU5uOKAj3y/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c752f0a-c894-4139-b5a2-973a2526d32f/bin/uautomizer-YU5uOKAj3y/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--watchdog--pc87413_wdt.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c752f0a-c894-4139-b5a2-973a2526d32f/bin/uautomizer-YU5uOKAj3y/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c752f0a-c894-4139-b5a2-973a2526d32f/bin/uautomizer-YU5uOKAj3y --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 8954b1975c9ef274050a4ed05b880cddaf4747278343623028f38a4ef8e6ca73 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-13 18:57:32,048 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-13 18:57:32,051 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-13 18:57:32,108 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-13 18:57:32,109 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-13 18:57:32,113 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-13 18:57:32,115 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-13 18:57:32,122 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-13 18:57:32,125 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-13 18:57:32,130 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-13 18:57:32,132 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-13 18:57:32,134 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-13 18:57:32,134 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-13 18:57:32,137 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-13 18:57:32,139 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-13 18:57:32,144 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-13 18:57:32,146 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-13 18:57:32,147 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-13 18:57:32,149 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-13 18:57:32,157 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-13 18:57:32,159 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-13 18:57:32,161 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-13 18:57:32,163 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-13 18:57:32,166 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-13 18:57:32,175 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-13 18:57:32,175 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-13 18:57:32,176 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-13 18:57:32,178 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-13 18:57:32,178 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-13 18:57:32,180 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-13 18:57:32,180 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-13 18:57:32,181 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-13 18:57:32,183 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-13 18:57:32,184 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-13 18:57:32,185 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-13 18:57:32,186 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-13 18:57:32,187 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-13 18:57:32,187 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-13 18:57:32,187 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-13 18:57:32,189 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-13 18:57:32,190 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-13 18:57:32,195 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c752f0a-c894-4139-b5a2-973a2526d32f/bin/uautomizer-YU5uOKAj3y/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2021-11-13 18:57:32,240 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-13 18:57:32,240 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-13 18:57:32,241 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-13 18:57:32,241 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-13 18:57:32,242 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-13 18:57:32,242 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-13 18:57:32,243 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-13 18:57:32,244 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-13 18:57:32,244 INFO L138 SettingsManager]: * Use SBE=true [2021-11-13 18:57:32,244 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-13 18:57:32,245 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-13 18:57:32,246 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-13 18:57:32,246 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-13 18:57:32,246 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-13 18:57:32,246 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-13 18:57:32,247 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-13 18:57:32,247 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-13 18:57:32,247 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-13 18:57:32,247 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-13 18:57:32,248 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-13 18:57:32,248 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-13 18:57:32,248 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-13 18:57:32,248 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-13 18:57:32,249 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-13 18:57:32,249 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-13 18:57:32,249 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-13 18:57:32,250 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-11-13 18:57:32,250 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-13 18:57:32,250 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-13 18:57:32,250 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-13 18:57:32,250 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-13 18:57:32,251 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-13 18:57:32,251 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-13 18:57:32,251 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c752f0a-c894-4139-b5a2-973a2526d32f/bin/uautomizer-YU5uOKAj3y/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c752f0a-c894-4139-b5a2-973a2526d32f/bin/uautomizer-YU5uOKAj3y Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8954b1975c9ef274050a4ed05b880cddaf4747278343623028f38a4ef8e6ca73 [2021-11-13 18:57:32,617 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-13 18:57:32,643 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-13 18:57:32,647 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-13 18:57:32,649 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-13 18:57:32,651 INFO L275 PluginConnector]: CDTParser initialized [2021-11-13 18:57:32,653 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c752f0a-c894-4139-b5a2-973a2526d32f/bin/uautomizer-YU5uOKAj3y/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--watchdog--pc87413_wdt.ko-entry_point.cil.out.i [2021-11-13 18:57:32,722 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c752f0a-c894-4139-b5a2-973a2526d32f/bin/uautomizer-YU5uOKAj3y/data/70239684d/92a5c9aa71f4415f92df985a68219ba8/FLAGea5e1437d [2021-11-13 18:57:33,540 INFO L306 CDTParser]: Found 1 translation units. [2021-11-13 18:57:33,542 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c752f0a-c894-4139-b5a2-973a2526d32f/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--watchdog--pc87413_wdt.ko-entry_point.cil.out.i [2021-11-13 18:57:33,577 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c752f0a-c894-4139-b5a2-973a2526d32f/bin/uautomizer-YU5uOKAj3y/data/70239684d/92a5c9aa71f4415f92df985a68219ba8/FLAGea5e1437d [2021-11-13 18:57:33,647 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c752f0a-c894-4139-b5a2-973a2526d32f/bin/uautomizer-YU5uOKAj3y/data/70239684d/92a5c9aa71f4415f92df985a68219ba8 [2021-11-13 18:57:33,651 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-13 18:57:33,653 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-13 18:57:33,657 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-13 18:57:33,657 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-13 18:57:33,661 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-13 18:57:33,662 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 06:57:33" (1/1) ... [2021-11-13 18:57:33,664 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1921cc01 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:57:33, skipping insertion in model container [2021-11-13 18:57:33,664 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 06:57:33" (1/1) ... [2021-11-13 18:57:33,672 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-13 18:57:33,788 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-13 18:57:34,659 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c752f0a-c894-4139-b5a2-973a2526d32f/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--watchdog--pc87413_wdt.ko-entry_point.cil.out.i[115866,115879] [2021-11-13 18:57:34,704 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 18:57:34,746 INFO L203 MainTranslator]: Completed pre-run [2021-11-13 18:57:34,959 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c752f0a-c894-4139-b5a2-973a2526d32f/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--watchdog--pc87413_wdt.ko-entry_point.cil.out.i[115866,115879] [2021-11-13 18:57:34,966 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 18:57:35,017 INFO L208 MainTranslator]: Completed translation [2021-11-13 18:57:35,018 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:57:35 WrapperNode [2021-11-13 18:57:35,018 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-13 18:57:35,020 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-13 18:57:35,020 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-13 18:57:35,020 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-13 18:57:35,027 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:57:35" (1/1) ... [2021-11-13 18:57:35,080 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:57:35" (1/1) ... [2021-11-13 18:57:35,134 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-13 18:57:35,135 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-13 18:57:35,135 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-13 18:57:35,135 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-13 18:57:35,143 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:57:35" (1/1) ... [2021-11-13 18:57:35,144 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:57:35" (1/1) ... [2021-11-13 18:57:35,175 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:57:35" (1/1) ... [2021-11-13 18:57:35,182 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:57:35" (1/1) ... [2021-11-13 18:57:35,225 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:57:35" (1/1) ... [2021-11-13 18:57:35,255 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:57:35" (1/1) ... [2021-11-13 18:57:35,276 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:57:35" (1/1) ... [2021-11-13 18:57:35,286 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-13 18:57:35,300 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-13 18:57:35,300 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-13 18:57:35,300 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-13 18:57:35,301 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:57:35" (1/1) ... [2021-11-13 18:57:35,312 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-13 18:57:35,323 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c752f0a-c894-4139-b5a2-973a2526d32f/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:57:35,336 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c752f0a-c894-4139-b5a2-973a2526d32f/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-13 18:57:35,374 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c752f0a-c894-4139-b5a2-973a2526d32f/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-13 18:57:35,386 INFO L130 BoogieDeclarations]: Found specification of procedure misc_deregister [2021-11-13 18:57:35,386 INFO L138 BoogieDeclarations]: Found implementation of procedure misc_deregister [2021-11-13 18:57:35,387 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-11-13 18:57:35,387 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-13 18:57:35,387 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-13 18:57:35,387 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-13 18:57:35,387 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-11-13 18:57:35,387 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-11-13 18:57:35,388 INFO L130 BoogieDeclarations]: Found specification of procedure pc87413_disable_sw_wd_trg [2021-11-13 18:57:35,389 INFO L138 BoogieDeclarations]: Found implementation of procedure pc87413_disable_sw_wd_trg [2021-11-13 18:57:35,390 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_reboot_notifier [2021-11-13 18:57:35,390 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_reboot_notifier [2021-11-13 18:57:35,390 INFO L130 BoogieDeclarations]: Found specification of procedure pc87413_enable_sw_wd_trg [2021-11-13 18:57:35,391 INFO L138 BoogieDeclarations]: Found implementation of procedure pc87413_enable_sw_wd_trg [2021-11-13 18:57:35,391 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2021-11-13 18:57:35,391 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2021-11-13 18:57:35,391 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-11-13 18:57:35,391 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-11-13 18:57:35,391 INFO L130 BoogieDeclarations]: Found specification of procedure pc87413_write [2021-11-13 18:57:35,392 INFO L138 BoogieDeclarations]: Found implementation of procedure pc87413_write [2021-11-13 18:57:35,392 INFO L130 BoogieDeclarations]: Found specification of procedure pc87413_disable [2021-11-13 18:57:35,392 INFO L138 BoogieDeclarations]: Found implementation of procedure pc87413_disable [2021-11-13 18:57:35,392 INFO L130 BoogieDeclarations]: Found specification of procedure pc87413_disable_sw_wd_tren [2021-11-13 18:57:35,392 INFO L138 BoogieDeclarations]: Found implementation of procedure pc87413_disable_sw_wd_tren [2021-11-13 18:57:35,392 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2021-11-13 18:57:35,392 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2021-11-13 18:57:35,393 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-13 18:57:35,393 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-13 18:57:35,393 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-13 18:57:35,393 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2021-11-13 18:57:35,393 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2021-11-13 18:57:35,393 INFO L130 BoogieDeclarations]: Found specification of procedure pc87413_refresh [2021-11-13 18:57:35,394 INFO L138 BoogieDeclarations]: Found implementation of procedure pc87413_refresh [2021-11-13 18:57:35,394 INFO L130 BoogieDeclarations]: Found specification of procedure pc87413_enable_sw_wd_tren [2021-11-13 18:57:35,394 INFO L138 BoogieDeclarations]: Found implementation of procedure pc87413_enable_sw_wd_tren [2021-11-13 18:57:35,394 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-13 18:57:35,394 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-13 18:57:35,395 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-13 18:57:35,395 INFO L130 BoogieDeclarations]: Found specification of procedure pc87413_enable [2021-11-13 18:57:35,395 INFO L138 BoogieDeclarations]: Found implementation of procedure pc87413_enable [2021-11-13 18:57:35,395 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-11-13 18:57:35,395 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-13 18:57:35,395 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-13 18:57:35,396 INFO L130 BoogieDeclarations]: Found specification of procedure pc87413_enable_wden [2021-11-13 18:57:35,396 INFO L138 BoogieDeclarations]: Found implementation of procedure pc87413_enable_wden [2021-11-13 18:57:35,396 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-13 18:57:35,396 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2021-11-13 18:57:35,397 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-13 18:57:35,397 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-13 18:57:35,397 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2021-11-13 18:57:35,397 INFO L130 BoogieDeclarations]: Found specification of procedure __might_fault [2021-11-13 18:57:35,397 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_fault [2021-11-13 18:57:35,397 INFO L130 BoogieDeclarations]: Found specification of procedure outb_p [2021-11-13 18:57:35,398 INFO L138 BoogieDeclarations]: Found implementation of procedure outb_p [2021-11-13 18:57:35,398 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-11-13 18:57:35,398 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-11-13 18:57:35,399 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2021-11-13 18:57:35,400 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2021-11-13 18:57:35,400 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-11-13 18:57:35,401 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-11-13 18:57:35,402 INFO L130 BoogieDeclarations]: Found specification of procedure __request_region [2021-11-13 18:57:35,402 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_region [2021-11-13 18:57:35,402 INFO L130 BoogieDeclarations]: Found specification of procedure pc87413_swc_bank3 [2021-11-13 18:57:35,402 INFO L138 BoogieDeclarations]: Found implementation of procedure pc87413_swc_bank3 [2021-11-13 18:57:35,402 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-13 18:57:35,403 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-13 18:57:35,403 INFO L130 BoogieDeclarations]: Found specification of procedure pc87413_programm_wdto [2021-11-13 18:57:35,403 INFO L138 BoogieDeclarations]: Found implementation of procedure pc87413_programm_wdto [2021-11-13 18:57:36,061 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-11-13 18:57:41,842 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-13 18:57:41,843 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-13 18:57:41,845 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 06:57:41 BoogieIcfgContainer [2021-11-13 18:57:41,845 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-13 18:57:41,847 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-13 18:57:41,847 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-13 18:57:41,853 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-13 18:57:41,854 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 06:57:33" (1/3) ... [2021-11-13 18:57:41,854 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5872c3df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 06:57:41, skipping insertion in model container [2021-11-13 18:57:41,855 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:57:35" (2/3) ... [2021-11-13 18:57:41,855 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5872c3df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 06:57:41, skipping insertion in model container [2021-11-13 18:57:41,855 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 06:57:41" (3/3) ... [2021-11-13 18:57:41,859 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-08_1a-drivers--watchdog--pc87413_wdt.ko-entry_point.cil.out.i [2021-11-13 18:57:41,865 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-13 18:57:41,865 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-13 18:57:41,934 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-13 18:57:41,946 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-13 18:57:41,946 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-13 18:57:41,973 INFO L276 IsEmpty]: Start isEmpty. Operand has 367 states, 242 states have (on average 1.3429752066115703) internal successors, (325), 252 states have internal predecessors, (325), 98 states have call successors, (98), 26 states have call predecessors, (98), 25 states have return successors, (94), 94 states have call predecessors, (94), 94 states have call successors, (94) [2021-11-13 18:57:41,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2021-11-13 18:57:41,989 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 18:57:41,990 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 18:57:41,991 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 18:57:41,996 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:57:41,996 INFO L85 PathProgramCache]: Analyzing trace with hash -1980518636, now seen corresponding path program 1 times [2021-11-13 18:57:42,011 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-13 18:57:42,011 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1771799760] [2021-11-13 18:57:42,011 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:57:42,012 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 18:57:42,013 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c752f0a-c894-4139-b5a2-973a2526d32f/bin/uautomizer-YU5uOKAj3y/mathsat [2021-11-13 18:57:42,015 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c752f0a-c894-4139-b5a2-973a2526d32f/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 18:57:42,025 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c752f0a-c894-4139-b5a2-973a2526d32f/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-13 18:57:42,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:57:42,591 INFO L263 TraceCheckSpWp]: Trace formula consists of 677 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-13 18:57:42,602 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 18:57:43,632 INFO L134 CoverageAnalysis]: Checked inductivity of 159 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2021-11-13 18:57:43,633 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 18:57:44,338 INFO L134 CoverageAnalysis]: Checked inductivity of 159 backedges. 5 proven. 10 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2021-11-13 18:57:44,339 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-13 18:57:44,339 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1771799760] [2021-11-13 18:57:44,340 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1771799760] provided 1 perfect and 1 imperfect interpolant sequences [2021-11-13 18:57:44,340 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-13 18:57:44,341 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2021-11-13 18:57:44,342 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [81723223] [2021-11-13 18:57:44,343 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 18:57:44,348 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-13 18:57:44,348 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-13 18:57:44,375 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-13 18:57:44,376 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-13 18:57:44,379 INFO L87 Difference]: Start difference. First operand has 367 states, 242 states have (on average 1.3429752066115703) internal successors, (325), 252 states have internal predecessors, (325), 98 states have call successors, (98), 26 states have call predecessors, (98), 25 states have return successors, (94), 94 states have call predecessors, (94), 94 states have call successors, (94) Second operand has 2 states, 2 states have (on average 27.5) internal successors, (55), 2 states have internal predecessors, (55), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2021-11-13 18:57:44,448 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 18:57:44,449 INFO L93 Difference]: Finished difference Result 729 states and 1039 transitions. [2021-11-13 18:57:44,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-13 18:57:44,451 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 27.5) internal successors, (55), 2 states have internal predecessors, (55), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 131 [2021-11-13 18:57:44,452 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 18:57:44,466 INFO L225 Difference]: With dead ends: 729 [2021-11-13 18:57:44,466 INFO L226 Difference]: Without dead ends: 356 [2021-11-13 18:57:44,474 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 260 GetRequests, 260 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-13 18:57:44,477 INFO L933 BasicCegarLoop]: 511 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.00ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 511 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 4.78ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.00ms IncrementalHoareTripleChecker+Time [2021-11-13 18:57:44,478 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 511 Invalid, 0 Unknown, 0 Unchecked, 4.78ms Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.00ms Time] [2021-11-13 18:57:44,497 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 356 states. [2021-11-13 18:57:44,549 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 356 to 356. [2021-11-13 18:57:44,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 356 states, 237 states have (on average 1.3122362869198312) internal successors, (311), 241 states have internal predecessors, (311), 94 states have call successors, (94), 25 states have call predecessors, (94), 24 states have return successors, (93), 93 states have call predecessors, (93), 93 states have call successors, (93) [2021-11-13 18:57:44,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 356 states and 498 transitions. [2021-11-13 18:57:44,558 INFO L78 Accepts]: Start accepts. Automaton has 356 states and 498 transitions. Word has length 131 [2021-11-13 18:57:44,559 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 18:57:44,559 INFO L470 AbstractCegarLoop]: Abstraction has 356 states and 498 transitions. [2021-11-13 18:57:44,559 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 27.5) internal successors, (55), 2 states have internal predecessors, (55), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2021-11-13 18:57:44,560 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 498 transitions. [2021-11-13 18:57:44,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2021-11-13 18:57:44,564 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 18:57:44,565 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 18:57:44,592 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c752f0a-c894-4139-b5a2-973a2526d32f/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-13 18:57:44,783 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c752f0a-c894-4139-b5a2-973a2526d32f/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 [2021-11-13 18:57:44,783 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 18:57:44,784 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:57:44,784 INFO L85 PathProgramCache]: Analyzing trace with hash 1693314572, now seen corresponding path program 1 times [2021-11-13 18:57:44,785 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-13 18:57:44,786 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [729298746] [2021-11-13 18:57:44,786 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:57:44,786 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 18:57:44,786 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c752f0a-c894-4139-b5a2-973a2526d32f/bin/uautomizer-YU5uOKAj3y/mathsat [2021-11-13 18:57:44,787 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c752f0a-c894-4139-b5a2-973a2526d32f/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 18:57:44,799 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c752f0a-c894-4139-b5a2-973a2526d32f/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-13 18:57:45,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:57:45,292 INFO L263 TraceCheckSpWp]: Trace formula consists of 677 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-13 18:57:45,298 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 18:57:46,148 INFO L134 CoverageAnalysis]: Checked inductivity of 159 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2021-11-13 18:57:46,149 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 18:57:47,042 INFO L134 CoverageAnalysis]: Checked inductivity of 159 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 139 trivial. 0 not checked. [2021-11-13 18:57:47,043 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-13 18:57:47,043 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [729298746] [2021-11-13 18:57:47,043 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [729298746] provided 1 perfect and 1 imperfect interpolant sequences [2021-11-13 18:57:47,043 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-13 18:57:47,044 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 6 [2021-11-13 18:57:47,044 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1162450962] [2021-11-13 18:57:47,044 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 18:57:47,045 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-13 18:57:47,046 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-13 18:57:47,046 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-13 18:57:47,046 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-11-13 18:57:47,047 INFO L87 Difference]: Start difference. First operand 356 states and 498 transitions. Second operand has 4 states, 4 states have (on average 12.25) internal successors, (49), 4 states have internal predecessors, (49), 2 states have call successors, (14), 2 states have call predecessors, (14), 3 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2021-11-13 18:57:47,481 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 18:57:47,481 INFO L93 Difference]: Finished difference Result 704 states and 989 transitions. [2021-11-13 18:57:47,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-13 18:57:47,487 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.25) internal successors, (49), 4 states have internal predecessors, (49), 2 states have call successors, (14), 2 states have call predecessors, (14), 3 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 131 [2021-11-13 18:57:47,488 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 18:57:47,493 INFO L225 Difference]: With dead ends: 704 [2021-11-13 18:57:47,498 INFO L226 Difference]: Without dead ends: 357 [2021-11-13 18:57:47,500 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 261 GetRequests, 256 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=19, Invalid=23, Unknown=0, NotChecked=0, Total=42 [2021-11-13 18:57:47,501 INFO L933 BasicCegarLoop]: 496 mSDtfsCounter, 3 mSDsluCounter, 979 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 257.93ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 1475 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 22.35ms SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 286.76ms IncrementalHoareTripleChecker+Time [2021-11-13 18:57:47,502 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3 Valid, 1475 Invalid, 23 Unknown, 0 Unchecked, 22.35ms Time], IncrementalHoareTripleChecker [5 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 286.76ms Time] [2021-11-13 18:57:47,503 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 357 states. [2021-11-13 18:57:47,553 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 357 to 357. [2021-11-13 18:57:47,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 357 states, 238 states have (on average 1.3109243697478992) internal successors, (312), 242 states have internal predecessors, (312), 94 states have call successors, (94), 25 states have call predecessors, (94), 24 states have return successors, (93), 93 states have call predecessors, (93), 93 states have call successors, (93) [2021-11-13 18:57:47,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 357 states to 357 states and 499 transitions. [2021-11-13 18:57:47,560 INFO L78 Accepts]: Start accepts. Automaton has 357 states and 499 transitions. Word has length 131 [2021-11-13 18:57:47,565 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 18:57:47,565 INFO L470 AbstractCegarLoop]: Abstraction has 357 states and 499 transitions. [2021-11-13 18:57:47,566 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.25) internal successors, (49), 4 states have internal predecessors, (49), 2 states have call successors, (14), 2 states have call predecessors, (14), 3 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2021-11-13 18:57:47,566 INFO L276 IsEmpty]: Start isEmpty. Operand 357 states and 499 transitions. [2021-11-13 18:57:47,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2021-11-13 18:57:47,570 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 18:57:47,570 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 18:57:47,589 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c752f0a-c894-4139-b5a2-973a2526d32f/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-13 18:57:47,778 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c752f0a-c894-4139-b5a2-973a2526d32f/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 [2021-11-13 18:57:47,779 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 18:57:47,779 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:57:47,780 INFO L85 PathProgramCache]: Analyzing trace with hash 1738432020, now seen corresponding path program 1 times [2021-11-13 18:57:47,781 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-13 18:57:47,781 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [206585183] [2021-11-13 18:57:47,782 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:57:47,782 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 18:57:47,782 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c752f0a-c894-4139-b5a2-973a2526d32f/bin/uautomizer-YU5uOKAj3y/mathsat [2021-11-13 18:57:47,784 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c752f0a-c894-4139-b5a2-973a2526d32f/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 18:57:47,798 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c752f0a-c894-4139-b5a2-973a2526d32f/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-13 18:57:48,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:57:48,299 INFO L263 TraceCheckSpWp]: Trace formula consists of 707 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-13 18:57:48,305 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 18:57:49,289 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 40 proven. 1 refuted. 0 times theorem prover too weak. 169 trivial. 0 not checked. [2021-11-13 18:57:49,289 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 18:57:50,542 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 174 trivial. 0 not checked. [2021-11-13 18:57:50,542 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-13 18:57:50,543 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [206585183] [2021-11-13 18:57:50,543 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [206585183] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-13 18:57:50,543 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-11-13 18:57:50,544 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2021-11-13 18:57:50,544 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [166151099] [2021-11-13 18:57:50,544 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-11-13 18:57:50,546 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-13 18:57:50,546 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-13 18:57:50,547 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-13 18:57:50,547 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-11-13 18:57:50,547 INFO L87 Difference]: Start difference. First operand 357 states and 499 transitions. Second operand has 8 states, 8 states have (on average 8.125) internal successors, (65), 8 states have internal predecessors, (65), 2 states have call successors, (20), 2 states have call predecessors, (20), 4 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2021-11-13 18:57:51,737 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 18:57:51,738 INFO L93 Difference]: Finished difference Result 715 states and 1007 transitions. [2021-11-13 18:57:51,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-13 18:57:51,739 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.125) internal successors, (65), 8 states have internal predecessors, (65), 2 states have call successors, (20), 2 states have call predecessors, (20), 4 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 137 [2021-11-13 18:57:51,739 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 18:57:51,744 INFO L225 Difference]: With dead ends: 715 [2021-11-13 18:57:51,744 INFO L226 Difference]: Without dead ends: 367 [2021-11-13 18:57:51,746 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 276 GetRequests, 266 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=53, Invalid=79, Unknown=0, NotChecked=0, Total=132 [2021-11-13 18:57:51,748 INFO L933 BasicCegarLoop]: 494 mSDtfsCounter, 12 mSDsluCounter, 2924 mSDsCounter, 0 mSdLazyCounter, 77 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 655.11ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 3418 SdHoareTripleChecker+Invalid, 93 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 22.05ms SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 77 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 695.02ms IncrementalHoareTripleChecker+Time [2021-11-13 18:57:51,749 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [12 Valid, 3418 Invalid, 93 Unknown, 0 Unchecked, 22.05ms Time], IncrementalHoareTripleChecker [16 Valid, 77 Invalid, 0 Unknown, 0 Unchecked, 695.02ms Time] [2021-11-13 18:57:51,750 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 367 states. [2021-11-13 18:57:51,776 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 367 to 367. [2021-11-13 18:57:51,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 367 states, 247 states have (on average 1.311740890688259) internal successors, (324), 251 states have internal predecessors, (324), 94 states have call successors, (94), 26 states have call predecessors, (94), 25 states have return successors, (93), 93 states have call predecessors, (93), 93 states have call successors, (93) [2021-11-13 18:57:51,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 367 states to 367 states and 511 transitions. [2021-11-13 18:57:51,782 INFO L78 Accepts]: Start accepts. Automaton has 367 states and 511 transitions. Word has length 137 [2021-11-13 18:57:51,783 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 18:57:51,783 INFO L470 AbstractCegarLoop]: Abstraction has 367 states and 511 transitions. [2021-11-13 18:57:51,784 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.125) internal successors, (65), 8 states have internal predecessors, (65), 2 states have call successors, (20), 2 states have call predecessors, (20), 4 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2021-11-13 18:57:51,784 INFO L276 IsEmpty]: Start isEmpty. Operand 367 states and 511 transitions. [2021-11-13 18:57:51,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2021-11-13 18:57:51,787 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 18:57:51,787 INFO L514 BasicCegarLoop]: trace histogram [20, 6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 18:57:51,807 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c752f0a-c894-4139-b5a2-973a2526d32f/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-11-13 18:57:52,003 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c752f0a-c894-4139-b5a2-973a2526d32f/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 [2021-11-13 18:57:52,003 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 18:57:52,003 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:57:52,003 INFO L85 PathProgramCache]: Analyzing trace with hash 389611468, now seen corresponding path program 2 times [2021-11-13 18:57:52,004 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-13 18:57:52,005 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1827071549] [2021-11-13 18:57:52,005 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-13 18:57:52,005 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 18:57:52,005 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c752f0a-c894-4139-b5a2-973a2526d32f/bin/uautomizer-YU5uOKAj3y/mathsat [2021-11-13 18:57:52,006 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c752f0a-c894-4139-b5a2-973a2526d32f/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 18:57:52,018 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c752f0a-c894-4139-b5a2-973a2526d32f/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-11-13 18:57:52,387 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2021-11-13 18:57:52,387 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-13 18:57:52,404 INFO L263 TraceCheckSpWp]: Trace formula consists of 395 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-13 18:57:52,409 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 18:57:52,838 INFO L134 CoverageAnalysis]: Checked inductivity of 469 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 469 trivial. 0 not checked. [2021-11-13 18:57:52,838 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 18:57:53,286 INFO L134 CoverageAnalysis]: Checked inductivity of 469 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 469 trivial. 0 not checked. [2021-11-13 18:57:53,286 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-13 18:57:53,287 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1827071549] [2021-11-13 18:57:53,287 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1827071549] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-13 18:57:53,287 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-13 18:57:53,287 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2021-11-13 18:57:53,287 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1149211643] [2021-11-13 18:57:53,288 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-13 18:57:53,288 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-13 18:57:53,289 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-13 18:57:53,289 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-13 18:57:53,289 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-11-13 18:57:53,290 INFO L87 Difference]: Start difference. First operand 367 states and 511 transitions. Second operand has 6 states, 6 states have (on average 8.166666666666666) internal successors, (49), 6 states have internal predecessors, (49), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2021-11-13 18:57:55,348 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:57:55,574 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 18:57:55,574 INFO L93 Difference]: Finished difference Result 709 states and 986 transitions. [2021-11-13 18:57:55,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-13 18:57:55,575 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.166666666666666) internal successors, (49), 6 states have internal predecessors, (49), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 151 [2021-11-13 18:57:55,579 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 18:57:55,583 INFO L225 Difference]: With dead ends: 709 [2021-11-13 18:57:55,583 INFO L226 Difference]: Without dead ends: 381 [2021-11-13 18:57:55,585 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 301 GetRequests, 296 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-13 18:57:55,592 INFO L933 BasicCegarLoop]: 495 mSDtfsCounter, 24 mSDsluCounter, 990 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 6 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2161.27ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 1485 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 5.23ms SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2190.16ms IncrementalHoareTripleChecker+Time [2021-11-13 18:57:55,593 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [24 Valid, 1485 Invalid, 22 Unknown, 0 Unchecked, 5.23ms Time], IncrementalHoareTripleChecker [6 Valid, 15 Invalid, 1 Unknown, 0 Unchecked, 2190.16ms Time] [2021-11-13 18:57:55,596 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 381 states. [2021-11-13 18:57:55,628 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 381 to 370. [2021-11-13 18:57:55,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 370 states, 250 states have (on average 1.308) internal successors, (327), 254 states have internal predecessors, (327), 94 states have call successors, (94), 26 states have call predecessors, (94), 25 states have return successors, (93), 93 states have call predecessors, (93), 93 states have call successors, (93) [2021-11-13 18:57:55,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 370 states to 370 states and 514 transitions. [2021-11-13 18:57:55,634 INFO L78 Accepts]: Start accepts. Automaton has 370 states and 514 transitions. Word has length 151 [2021-11-13 18:57:55,635 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 18:57:55,635 INFO L470 AbstractCegarLoop]: Abstraction has 370 states and 514 transitions. [2021-11-13 18:57:55,635 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.166666666666666) internal successors, (49), 6 states have internal predecessors, (49), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2021-11-13 18:57:55,636 INFO L276 IsEmpty]: Start isEmpty. Operand 370 states and 514 transitions. [2021-11-13 18:57:55,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2021-11-13 18:57:55,639 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 18:57:55,640 INFO L514 BasicCegarLoop]: trace histogram [20, 6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 18:57:55,662 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c752f0a-c894-4139-b5a2-973a2526d32f/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-11-13 18:57:55,855 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c752f0a-c894-4139-b5a2-973a2526d32f/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 [2021-11-13 18:57:55,855 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 18:57:55,856 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:57:55,856 INFO L85 PathProgramCache]: Analyzing trace with hash 446869770, now seen corresponding path program 1 times [2021-11-13 18:57:55,857 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-13 18:57:55,857 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1259815666] [2021-11-13 18:57:55,858 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:57:55,858 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 18:57:55,858 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c752f0a-c894-4139-b5a2-973a2526d32f/bin/uautomizer-YU5uOKAj3y/mathsat [2021-11-13 18:57:55,859 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c752f0a-c894-4139-b5a2-973a2526d32f/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 18:57:55,902 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c752f0a-c894-4139-b5a2-973a2526d32f/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-11-13 18:57:56,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:57:56,500 INFO L263 TraceCheckSpWp]: Trace formula consists of 775 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-13 18:57:56,505 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 18:57:57,870 INFO L134 CoverageAnalysis]: Checked inductivity of 469 backedges. 125 proven. 10 refuted. 0 times theorem prover too weak. 334 trivial. 0 not checked. [2021-11-13 18:57:57,870 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 18:58:00,181 INFO L134 CoverageAnalysis]: Checked inductivity of 469 backedges. 0 proven. 130 refuted. 0 times theorem prover too weak. 339 trivial. 0 not checked. [2021-11-13 18:58:00,181 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-13 18:58:00,181 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1259815666] [2021-11-13 18:58:00,182 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1259815666] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-13 18:58:00,182 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-11-13 18:58:00,182 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 14 [2021-11-13 18:58:00,182 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [763820750] [2021-11-13 18:58:00,183 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-11-13 18:58:00,183 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-13 18:58:00,183 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-13 18:58:00,184 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-13 18:58:00,184 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=122, Unknown=0, NotChecked=0, Total=182 [2021-11-13 18:58:00,185 INFO L87 Difference]: Start difference. First operand 370 states and 514 transitions. Second operand has 14 states, 14 states have (on average 5.071428571428571) internal successors, (71), 14 states have internal predecessors, (71), 2 states have call successors, (20), 2 states have call predecessors, (20), 4 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2021-11-13 18:58:02,953 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 18:58:02,954 INFO L93 Difference]: Finished difference Result 746 states and 1045 transitions. [2021-11-13 18:58:02,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-11-13 18:58:02,955 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 5.071428571428571) internal successors, (71), 14 states have internal predecessors, (71), 2 states have call successors, (20), 2 states have call predecessors, (20), 4 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 151 [2021-11-13 18:58:02,955 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 18:58:02,959 INFO L225 Difference]: With dead ends: 746 [2021-11-13 18:58:02,960 INFO L226 Difference]: Without dead ends: 382 [2021-11-13 18:58:02,962 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 307 GetRequests, 288 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=144, Invalid=276, Unknown=0, NotChecked=0, Total=420 [2021-11-13 18:58:02,963 INFO L933 BasicCegarLoop]: 498 mSDtfsCounter, 49 mSDsluCounter, 2461 mSDsCounter, 0 mSdLazyCounter, 171 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1388.03ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 49 SdHoareTripleChecker+Valid, 2959 SdHoareTripleChecker+Invalid, 209 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 8.31ms SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 171 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1488.00ms IncrementalHoareTripleChecker+Time [2021-11-13 18:58:02,963 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [49 Valid, 2959 Invalid, 209 Unknown, 0 Unchecked, 8.31ms Time], IncrementalHoareTripleChecker [38 Valid, 171 Invalid, 0 Unknown, 0 Unchecked, 1488.00ms Time] [2021-11-13 18:58:02,965 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 382 states. [2021-11-13 18:58:02,985 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 382 to 376. [2021-11-13 18:58:02,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 376 states, 256 states have (on average 1.3046875) internal successors, (334), 260 states have internal predecessors, (334), 94 states have call successors, (94), 26 states have call predecessors, (94), 25 states have return successors, (93), 93 states have call predecessors, (93), 93 states have call successors, (93) [2021-11-13 18:58:02,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 376 states to 376 states and 521 transitions. [2021-11-13 18:58:02,996 INFO L78 Accepts]: Start accepts. Automaton has 376 states and 521 transitions. Word has length 151 [2021-11-13 18:58:02,998 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 18:58:02,998 INFO L470 AbstractCegarLoop]: Abstraction has 376 states and 521 transitions. [2021-11-13 18:58:02,998 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 5.071428571428571) internal successors, (71), 14 states have internal predecessors, (71), 2 states have call successors, (20), 2 states have call predecessors, (20), 4 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2021-11-13 18:58:02,999 INFO L276 IsEmpty]: Start isEmpty. Operand 376 states and 521 transitions. [2021-11-13 18:58:03,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2021-11-13 18:58:03,001 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 18:58:03,002 INFO L514 BasicCegarLoop]: trace histogram [36, 6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 18:58:03,024 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c752f0a-c894-4139-b5a2-973a2526d32f/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2021-11-13 18:58:03,218 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c752f0a-c894-4139-b5a2-973a2526d32f/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 [2021-11-13 18:58:03,219 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 18:58:03,219 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:58:03,219 INFO L85 PathProgramCache]: Analyzing trace with hash 1277327114, now seen corresponding path program 2 times [2021-11-13 18:58:03,220 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-13 18:58:03,220 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1731676356] [2021-11-13 18:58:03,220 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-13 18:58:03,221 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 18:58:03,221 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c752f0a-c894-4139-b5a2-973a2526d32f/bin/uautomizer-YU5uOKAj3y/mathsat [2021-11-13 18:58:03,223 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c752f0a-c894-4139-b5a2-973a2526d32f/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 18:58:03,225 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c752f0a-c894-4139-b5a2-973a2526d32f/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-11-13 18:58:03,546 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2021-11-13 18:58:03,546 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-13 18:58:03,563 INFO L263 TraceCheckSpWp]: Trace formula consists of 393 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-13 18:58:03,568 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 18:58:05,746 INFO L134 CoverageAnalysis]: Checked inductivity of 1005 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1005 trivial. 0 not checked. [2021-11-13 18:58:05,746 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 18:58:06,542 INFO L134 CoverageAnalysis]: Checked inductivity of 1005 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1005 trivial. 0 not checked. [2021-11-13 18:58:06,542 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-13 18:58:06,542 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1731676356] [2021-11-13 18:58:06,542 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1731676356] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-13 18:58:06,542 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-13 18:58:06,543 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 3] imperfect sequences [] total 3 [2021-11-13 18:58:06,543 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [733334801] [2021-11-13 18:58:06,543 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-13 18:58:06,544 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-13 18:58:06,544 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-13 18:58:06,544 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-13 18:58:06,544 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-13 18:58:06,544 INFO L87 Difference]: Start difference. First operand 376 states and 521 transitions. Second operand has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 3 states have call successors, (27), 3 states have call predecessors, (27), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2021-11-13 18:58:06,600 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 18:58:06,600 INFO L93 Difference]: Finished difference Result 707 states and 984 transitions. [2021-11-13 18:58:06,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-13 18:58:06,601 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 3 states have call successors, (27), 3 states have call predecessors, (27), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 167 [2021-11-13 18:58:06,602 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 18:58:06,607 INFO L225 Difference]: With dead ends: 707 [2021-11-13 18:58:06,607 INFO L226 Difference]: Without dead ends: 687 [2021-11-13 18:58:06,608 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 332 GetRequests, 331 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-13 18:58:06,610 INFO L933 BasicCegarLoop]: 587 mSDtfsCounter, 424 mSDsluCounter, 458 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 24.85ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 424 SdHoareTripleChecker+Valid, 1045 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 3.68ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 25.74ms IncrementalHoareTripleChecker+Time [2021-11-13 18:58:06,610 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [424 Valid, 1045 Invalid, 3 Unknown, 0 Unchecked, 3.68ms Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 25.74ms Time] [2021-11-13 18:58:06,615 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 687 states. [2021-11-13 18:58:06,661 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 687 to 687. [2021-11-13 18:58:06,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 687 states, 465 states have (on average 1.313978494623656) internal successors, (611), 473 states have internal predecessors, (611), 173 states have call successors, (173), 49 states have call predecessors, (173), 48 states have return successors, (172), 172 states have call predecessors, (172), 172 states have call successors, (172) [2021-11-13 18:58:06,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 687 states to 687 states and 956 transitions. [2021-11-13 18:58:06,690 INFO L78 Accepts]: Start accepts. Automaton has 687 states and 956 transitions. Word has length 167 [2021-11-13 18:58:06,691 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 18:58:06,691 INFO L470 AbstractCegarLoop]: Abstraction has 687 states and 956 transitions. [2021-11-13 18:58:06,692 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 3 states have call successors, (27), 3 states have call predecessors, (27), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2021-11-13 18:58:06,692 INFO L276 IsEmpty]: Start isEmpty. Operand 687 states and 956 transitions. [2021-11-13 18:58:06,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 308 [2021-11-13 18:58:06,701 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 18:58:06,702 INFO L514 BasicCegarLoop]: trace histogram [36, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2021-11-13 18:58:06,722 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c752f0a-c894-4139-b5a2-973a2526d32f/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2021-11-13 18:58:06,917 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c752f0a-c894-4139-b5a2-973a2526d32f/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 [2021-11-13 18:58:06,917 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 18:58:06,918 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:58:06,918 INFO L85 PathProgramCache]: Analyzing trace with hash 1091283336, now seen corresponding path program 1 times [2021-11-13 18:58:06,919 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-13 18:58:06,920 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [885061011] [2021-11-13 18:58:06,920 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:58:06,920 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 18:58:06,920 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c752f0a-c894-4139-b5a2-973a2526d32f/bin/uautomizer-YU5uOKAj3y/mathsat [2021-11-13 18:58:06,921 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c752f0a-c894-4139-b5a2-973a2526d32f/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 18:58:06,924 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c752f0a-c894-4139-b5a2-973a2526d32f/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2021-11-13 18:58:07,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:58:07,793 INFO L263 TraceCheckSpWp]: Trace formula consists of 1165 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-13 18:58:07,801 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 18:58:09,698 INFO L134 CoverageAnalysis]: Checked inductivity of 1179 backedges. 537 proven. 3 refuted. 0 times theorem prover too weak. 639 trivial. 0 not checked. [2021-11-13 18:58:09,698 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 18:58:11,441 INFO L134 CoverageAnalysis]: Checked inductivity of 1179 backedges. 60 proven. 75 refuted. 0 times theorem prover too weak. 1044 trivial. 0 not checked. [2021-11-13 18:58:11,442 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-13 18:58:11,442 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [885061011] [2021-11-13 18:58:11,442 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [885061011] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-13 18:58:11,442 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-11-13 18:58:11,442 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2021-11-13 18:58:11,443 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1378164172] [2021-11-13 18:58:11,443 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-11-13 18:58:11,444 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-13 18:58:11,444 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-13 18:58:11,444 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-13 18:58:11,445 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2021-11-13 18:58:11,445 INFO L87 Difference]: Start difference. First operand 687 states and 956 transitions. Second operand has 10 states, 10 states have (on average 15.3) internal successors, (153), 10 states have internal predecessors, (153), 2 states have call successors, (64), 2 states have call predecessors, (64), 4 states have return successors, (64), 2 states have call predecessors, (64), 2 states have call successors, (64) [2021-11-13 18:58:12,483 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 18:58:12,483 INFO L93 Difference]: Finished difference Result 1364 states and 1897 transitions. [2021-11-13 18:58:12,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-13 18:58:12,485 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 15.3) internal successors, (153), 10 states have internal predecessors, (153), 2 states have call successors, (64), 2 states have call predecessors, (64), 4 states have return successors, (64), 2 states have call predecessors, (64), 2 states have call successors, (64) Word has length 307 [2021-11-13 18:58:12,485 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 18:58:12,491 INFO L225 Difference]: With dead ends: 1364 [2021-11-13 18:58:12,491 INFO L226 Difference]: Without dead ends: 687 [2021-11-13 18:58:12,494 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 616 GetRequests, 604 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=62, Invalid=120, Unknown=0, NotChecked=0, Total=182 [2021-11-13 18:58:12,499 INFO L933 BasicCegarLoop]: 491 mSDtfsCounter, 30 mSDsluCounter, 1947 mSDsCounter, 0 mSdLazyCounter, 74 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 584.41ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 2438 SdHoareTripleChecker+Invalid, 104 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 5.45ms SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 74 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 638.11ms IncrementalHoareTripleChecker+Time [2021-11-13 18:58:12,499 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [30 Valid, 2438 Invalid, 104 Unknown, 0 Unchecked, 5.45ms Time], IncrementalHoareTripleChecker [30 Valid, 74 Invalid, 0 Unknown, 0 Unchecked, 638.11ms Time] [2021-11-13 18:58:12,501 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 687 states. [2021-11-13 18:58:12,530 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 687 to 687. [2021-11-13 18:58:12,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 687 states, 465 states have (on average 1.3053763440860215) internal successors, (607), 473 states have internal predecessors, (607), 173 states have call successors, (173), 49 states have call predecessors, (173), 48 states have return successors, (172), 172 states have call predecessors, (172), 172 states have call successors, (172) [2021-11-13 18:58:12,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 687 states to 687 states and 952 transitions. [2021-11-13 18:58:12,539 INFO L78 Accepts]: Start accepts. Automaton has 687 states and 952 transitions. Word has length 307 [2021-11-13 18:58:12,541 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 18:58:12,541 INFO L470 AbstractCegarLoop]: Abstraction has 687 states and 952 transitions. [2021-11-13 18:58:12,542 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 15.3) internal successors, (153), 10 states have internal predecessors, (153), 2 states have call successors, (64), 2 states have call predecessors, (64), 4 states have return successors, (64), 2 states have call predecessors, (64), 2 states have call successors, (64) [2021-11-13 18:58:12,542 INFO L276 IsEmpty]: Start isEmpty. Operand 687 states and 952 transitions. [2021-11-13 18:58:12,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 312 [2021-11-13 18:58:12,549 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 18:58:12,549 INFO L514 BasicCegarLoop]: trace histogram [40, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2021-11-13 18:58:12,581 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c752f0a-c894-4139-b5a2-973a2526d32f/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2021-11-13 18:58:12,762 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c752f0a-c894-4139-b5a2-973a2526d32f/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 [2021-11-13 18:58:12,763 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 18:58:12,763 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:58:12,763 INFO L85 PathProgramCache]: Analyzing trace with hash 1878889800, now seen corresponding path program 2 times [2021-11-13 18:58:12,764 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-13 18:58:12,765 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1215103613] [2021-11-13 18:58:12,765 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-13 18:58:12,765 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 18:58:12,765 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c752f0a-c894-4139-b5a2-973a2526d32f/bin/uautomizer-YU5uOKAj3y/mathsat [2021-11-13 18:58:12,767 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c752f0a-c894-4139-b5a2-973a2526d32f/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 18:58:12,773 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c752f0a-c894-4139-b5a2-973a2526d32f/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2021-11-13 18:58:18,884 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-11-13 18:58:18,885 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-13 18:58:19,002 INFO L263 TraceCheckSpWp]: Trace formula consists of 1185 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-13 18:58:19,007 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 18:58:20,359 INFO L134 CoverageAnalysis]: Checked inductivity of 1353 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1350 trivial. 0 not checked. [2021-11-13 18:58:20,359 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 18:58:21,145 INFO L134 CoverageAnalysis]: Checked inductivity of 1353 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1350 trivial. 0 not checked. [2021-11-13 18:58:21,146 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-13 18:58:21,146 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1215103613] [2021-11-13 18:58:21,146 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1215103613] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-13 18:58:21,146 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-13 18:58:21,146 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2021-11-13 18:58:21,146 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1051974719] [2021-11-13 18:58:21,146 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-13 18:58:21,147 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-13 18:58:21,147 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-13 18:58:21,148 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-13 18:58:21,148 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-13 18:58:21,148 INFO L87 Difference]: Start difference. First operand 687 states and 952 transitions. Second operand has 3 states, 3 states have (on average 46.0) internal successors, (138), 3 states have internal predecessors, (138), 2 states have call successors, (61), 2 states have call predecessors, (61), 2 states have return successors, (60), 2 states have call predecessors, (60), 2 states have call successors, (60) [2021-11-13 18:58:23,352 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:58:23,500 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 18:58:23,501 INFO L93 Difference]: Finished difference Result 1558 states and 2122 transitions. [2021-11-13 18:58:23,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-13 18:58:23,502 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 46.0) internal successors, (138), 3 states have internal predecessors, (138), 2 states have call successors, (61), 2 states have call predecessors, (61), 2 states have return successors, (60), 2 states have call predecessors, (60), 2 states have call successors, (60) Word has length 311 [2021-11-13 18:58:23,502 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 18:58:23,508 INFO L225 Difference]: With dead ends: 1558 [2021-11-13 18:58:23,509 INFO L226 Difference]: Without dead ends: 916 [2021-11-13 18:58:23,513 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 620 GetRequests, 619 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-13 18:58:23,514 INFO L933 BasicCegarLoop]: 546 mSDtfsCounter, 187 mSDsluCounter, 428 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 4 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2213.55ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 187 SdHoareTripleChecker+Valid, 974 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 2.60ms SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2307.34ms IncrementalHoareTripleChecker+Time [2021-11-13 18:58:23,515 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [187 Valid, 974 Invalid, 25 Unknown, 0 Unchecked, 2.60ms Time], IncrementalHoareTripleChecker [4 Valid, 20 Invalid, 1 Unknown, 0 Unchecked, 2307.34ms Time] [2021-11-13 18:58:23,517 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 916 states. [2021-11-13 18:58:23,555 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 916 to 895. [2021-11-13 18:58:23,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 895 states, 604 states have (on average 1.281456953642384) internal successors, (774), 617 states have internal predecessors, (774), 213 states have call successors, (213), 78 states have call predecessors, (213), 77 states have return successors, (212), 209 states have call predecessors, (212), 212 states have call successors, (212) [2021-11-13 18:58:23,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 895 states to 895 states and 1199 transitions. [2021-11-13 18:58:23,569 INFO L78 Accepts]: Start accepts. Automaton has 895 states and 1199 transitions. Word has length 311 [2021-11-13 18:58:23,570 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 18:58:23,570 INFO L470 AbstractCegarLoop]: Abstraction has 895 states and 1199 transitions. [2021-11-13 18:58:23,570 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 46.0) internal successors, (138), 3 states have internal predecessors, (138), 2 states have call successors, (61), 2 states have call predecessors, (61), 2 states have return successors, (60), 2 states have call predecessors, (60), 2 states have call successors, (60) [2021-11-13 18:58:23,570 INFO L276 IsEmpty]: Start isEmpty. Operand 895 states and 1199 transitions. [2021-11-13 18:58:23,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 379 [2021-11-13 18:58:23,579 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 18:58:23,579 INFO L514 BasicCegarLoop]: trace histogram [40, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 18:58:23,622 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c752f0a-c894-4139-b5a2-973a2526d32f/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2021-11-13 18:58:23,795 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c752f0a-c894-4139-b5a2-973a2526d32f/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 [2021-11-13 18:58:23,796 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 18:58:23,796 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:58:23,796 INFO L85 PathProgramCache]: Analyzing trace with hash -246112014, now seen corresponding path program 1 times [2021-11-13 18:58:23,797 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-13 18:58:23,797 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1050710921] [2021-11-13 18:58:23,798 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:58:23,798 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 18:58:23,798 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c752f0a-c894-4139-b5a2-973a2526d32f/bin/uautomizer-YU5uOKAj3y/mathsat [2021-11-13 18:58:23,799 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c752f0a-c894-4139-b5a2-973a2526d32f/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 18:58:23,802 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c752f0a-c894-4139-b5a2-973a2526d32f/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2021-11-13 18:58:25,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:58:25,163 INFO L263 TraceCheckSpWp]: Trace formula consists of 1364 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-13 18:58:25,174 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 18:58:27,605 INFO L134 CoverageAnalysis]: Checked inductivity of 1500 backedges. 130 proven. 0 refuted. 0 times theorem prover too weak. 1370 trivial. 0 not checked. [2021-11-13 18:58:27,606 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 18:58:29,642 INFO L134 CoverageAnalysis]: Checked inductivity of 1500 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 1484 trivial. 0 not checked. [2021-11-13 18:58:29,643 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-13 18:58:29,643 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1050710921] [2021-11-13 18:58:29,643 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1050710921] provided 1 perfect and 1 imperfect interpolant sequences [2021-11-13 18:58:29,643 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-13 18:58:29,644 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 10 [2021-11-13 18:58:29,644 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1890524917] [2021-11-13 18:58:29,645 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 18:58:29,646 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-13 18:58:29,646 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-13 18:58:29,646 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-13 18:58:29,646 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2021-11-13 18:58:29,647 INFO L87 Difference]: Start difference. First operand 895 states and 1199 transitions. Second operand has 6 states, 6 states have (on average 22.833333333333332) internal successors, (137), 5 states have internal predecessors, (137), 2 states have call successors, (44), 2 states have call predecessors, (44), 3 states have return successors, (43), 3 states have call predecessors, (43), 2 states have call successors, (43) [2021-11-13 18:58:30,018 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 18:58:30,019 INFO L93 Difference]: Finished difference Result 1757 states and 2359 transitions. [2021-11-13 18:58:30,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-13 18:58:30,020 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 22.833333333333332) internal successors, (137), 5 states have internal predecessors, (137), 2 states have call successors, (44), 2 states have call predecessors, (44), 3 states have return successors, (43), 3 states have call predecessors, (43), 2 states have call successors, (43) Word has length 378 [2021-11-13 18:58:30,020 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 18:58:30,026 INFO L225 Difference]: With dead ends: 1757 [2021-11-13 18:58:30,027 INFO L226 Difference]: Without dead ends: 912 [2021-11-13 18:58:30,030 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 755 GetRequests, 746 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2021-11-13 18:58:30,032 INFO L933 BasicCegarLoop]: 496 mSDtfsCounter, 8 mSDsluCounter, 1977 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 176.48ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 2473 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 4.32ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 181.46ms IncrementalHoareTripleChecker+Time [2021-11-13 18:58:30,033 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8 Valid, 2473 Invalid, 20 Unknown, 0 Unchecked, 4.32ms Time], IncrementalHoareTripleChecker [0 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 181.46ms Time] [2021-11-13 18:58:30,035 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 912 states. [2021-11-13 18:58:30,071 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 912 to 906. [2021-11-13 18:58:30,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 906 states, 612 states have (on average 1.276143790849673) internal successors, (781), 627 states have internal predecessors, (781), 213 states have call successors, (213), 78 states have call predecessors, (213), 80 states have return successors, (216), 210 states have call predecessors, (216), 212 states have call successors, (216) [2021-11-13 18:58:30,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 906 states to 906 states and 1210 transitions. [2021-11-13 18:58:30,080 INFO L78 Accepts]: Start accepts. Automaton has 906 states and 1210 transitions. Word has length 378 [2021-11-13 18:58:30,080 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 18:58:30,081 INFO L470 AbstractCegarLoop]: Abstraction has 906 states and 1210 transitions. [2021-11-13 18:58:30,081 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 22.833333333333332) internal successors, (137), 5 states have internal predecessors, (137), 2 states have call successors, (44), 2 states have call predecessors, (44), 3 states have return successors, (43), 3 states have call predecessors, (43), 2 states have call successors, (43) [2021-11-13 18:58:30,081 INFO L276 IsEmpty]: Start isEmpty. Operand 906 states and 1210 transitions. [2021-11-13 18:58:30,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 385 [2021-11-13 18:58:30,091 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 18:58:30,092 INFO L514 BasicCegarLoop]: trace histogram [40, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 18:58:30,131 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c752f0a-c894-4139-b5a2-973a2526d32f/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2021-11-13 18:58:30,306 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c752f0a-c894-4139-b5a2-973a2526d32f/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 [2021-11-13 18:58:30,307 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 18:58:30,307 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:58:30,307 INFO L85 PathProgramCache]: Analyzing trace with hash -1717336264, now seen corresponding path program 1 times [2021-11-13 18:58:30,308 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-13 18:58:30,309 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1543244117] [2021-11-13 18:58:30,309 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:58:30,309 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 18:58:30,309 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c752f0a-c894-4139-b5a2-973a2526d32f/bin/uautomizer-YU5uOKAj3y/mathsat [2021-11-13 18:58:30,310 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c752f0a-c894-4139-b5a2-973a2526d32f/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 18:58:30,334 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c752f0a-c894-4139-b5a2-973a2526d32f/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2021-11-13 18:58:31,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:58:31,689 INFO L263 TraceCheckSpWp]: Trace formula consists of 1379 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-13 18:58:31,696 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 18:58:33,455 INFO L134 CoverageAnalysis]: Checked inductivity of 1524 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 1503 trivial. 0 not checked. [2021-11-13 18:58:33,456 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 18:58:34,508 INFO L134 CoverageAnalysis]: Checked inductivity of 1524 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 1508 trivial. 0 not checked. [2021-11-13 18:58:34,509 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-13 18:58:34,509 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1543244117] [2021-11-13 18:58:34,509 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1543244117] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-13 18:58:34,509 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-13 18:58:34,509 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-11-13 18:58:34,509 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [243812261] [2021-11-13 18:58:34,509 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-13 18:58:34,510 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-13 18:58:34,510 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-13 18:58:34,511 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-13 18:58:34,511 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-13 18:58:34,511 INFO L87 Difference]: Start difference. First operand 906 states and 1210 transitions. Second operand has 5 states, 5 states have (on average 33.0) internal successors, (165), 5 states have internal predecessors, (165), 3 states have call successors, (67), 2 states have call predecessors, (67), 2 states have return successors, (66), 3 states have call predecessors, (66), 3 states have call successors, (66) [2021-11-13 18:58:36,555 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:58:37,035 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 18:58:37,035 INFO L93 Difference]: Finished difference Result 1788 states and 2390 transitions. [2021-11-13 18:58:37,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-13 18:58:37,036 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 33.0) internal successors, (165), 5 states have internal predecessors, (165), 3 states have call successors, (67), 2 states have call predecessors, (67), 2 states have return successors, (66), 3 states have call predecessors, (66), 3 states have call successors, (66) Word has length 384 [2021-11-13 18:58:37,036 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 18:58:37,042 INFO L225 Difference]: With dead ends: 1788 [2021-11-13 18:58:37,042 INFO L226 Difference]: Without dead ends: 909 [2021-11-13 18:58:37,046 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 769 GetRequests, 763 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-11-13 18:58:37,046 INFO L933 BasicCegarLoop]: 507 mSDtfsCounter, 28 mSDsluCounter, 1490 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2237.90ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 1997 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 3.80ms SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2260.95ms IncrementalHoareTripleChecker+Time [2021-11-13 18:58:37,047 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [31 Valid, 1997 Invalid, 31 Unknown, 0 Unchecked, 3.80ms Time], IncrementalHoareTripleChecker [7 Valid, 23 Invalid, 1 Unknown, 0 Unchecked, 2260.95ms Time] [2021-11-13 18:58:37,048 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 909 states. [2021-11-13 18:58:37,085 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 909 to 875. [2021-11-13 18:58:37,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 875 states, 590 states have (on average 1.2796610169491525) internal successors, (755), 606 states have internal predecessors, (755), 208 states have call successors, (208), 74 states have call predecessors, (208), 76 states have return successors, (211), 204 states have call predecessors, (211), 207 states have call successors, (211) [2021-11-13 18:58:37,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 875 states to 875 states and 1174 transitions. [2021-11-13 18:58:37,095 INFO L78 Accepts]: Start accepts. Automaton has 875 states and 1174 transitions. Word has length 384 [2021-11-13 18:58:37,098 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 18:58:37,099 INFO L470 AbstractCegarLoop]: Abstraction has 875 states and 1174 transitions. [2021-11-13 18:58:37,099 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 33.0) internal successors, (165), 5 states have internal predecessors, (165), 3 states have call successors, (67), 2 states have call predecessors, (67), 2 states have return successors, (66), 3 states have call predecessors, (66), 3 states have call successors, (66) [2021-11-13 18:58:37,099 INFO L276 IsEmpty]: Start isEmpty. Operand 875 states and 1174 transitions. [2021-11-13 18:58:37,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 569 [2021-11-13 18:58:37,106 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 18:58:37,106 INFO L514 BasicCegarLoop]: trace histogram [40, 22, 22, 22, 22, 22, 14, 14, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 18:58:37,142 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c752f0a-c894-4139-b5a2-973a2526d32f/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2021-11-13 18:58:37,335 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c752f0a-c894-4139-b5a2-973a2526d32f/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 [2021-11-13 18:58:37,335 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 18:58:37,335 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:58:37,335 INFO L85 PathProgramCache]: Analyzing trace with hash 288522375, now seen corresponding path program 1 times [2021-11-13 18:58:37,337 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-13 18:58:37,337 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [910055810] [2021-11-13 18:58:37,337 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:58:37,337 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 18:58:37,337 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c752f0a-c894-4139-b5a2-973a2526d32f/bin/uautomizer-YU5uOKAj3y/mathsat [2021-11-13 18:58:37,339 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c752f0a-c894-4139-b5a2-973a2526d32f/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 18:58:37,378 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c752f0a-c894-4139-b5a2-973a2526d32f/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2021-11-13 18:58:38,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:58:39,074 INFO L263 TraceCheckSpWp]: Trace formula consists of 1802 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-13 18:58:39,086 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 18:58:41,979 INFO L134 CoverageAnalysis]: Checked inductivity of 3058 backedges. 866 proven. 0 refuted. 0 times theorem prover too weak. 2192 trivial. 0 not checked. [2021-11-13 18:58:41,980 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 18:58:44,308 INFO L134 CoverageAnalysis]: Checked inductivity of 3058 backedges. 16 proven. 3 refuted. 0 times theorem prover too weak. 3039 trivial. 0 not checked. [2021-11-13 18:58:44,308 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-13 18:58:44,309 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [910055810] [2021-11-13 18:58:44,309 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [910055810] provided 1 perfect and 1 imperfect interpolant sequences [2021-11-13 18:58:44,309 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-13 18:58:44,309 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 10 [2021-11-13 18:58:44,309 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [785117986] [2021-11-13 18:58:44,309 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 18:58:44,311 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-13 18:58:44,311 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-13 18:58:44,312 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-13 18:58:44,312 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2021-11-13 18:58:44,312 INFO L87 Difference]: Start difference. First operand 875 states and 1174 transitions. Second operand has 6 states, 6 states have (on average 24.333333333333332) internal successors, (146), 5 states have internal predecessors, (146), 2 states have call successors, (65), 2 states have call predecessors, (65), 3 states have return successors, (64), 3 states have call predecessors, (64), 2 states have call successors, (64) [2021-11-13 18:58:44,694 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 18:58:44,694 INFO L93 Difference]: Finished difference Result 1713 states and 2306 transitions. [2021-11-13 18:58:44,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-13 18:58:44,695 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 24.333333333333332) internal successors, (146), 5 states have internal predecessors, (146), 2 states have call successors, (65), 2 states have call predecessors, (65), 3 states have return successors, (64), 3 states have call predecessors, (64), 2 states have call successors, (64) Word has length 568 [2021-11-13 18:58:44,696 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 18:58:44,702 INFO L225 Difference]: With dead ends: 1713 [2021-11-13 18:58:44,702 INFO L226 Difference]: Without dead ends: 888 [2021-11-13 18:58:44,705 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 1135 GetRequests, 1126 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2021-11-13 18:58:44,706 INFO L933 BasicCegarLoop]: 511 mSDtfsCounter, 13 mSDsluCounter, 2024 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 172.38ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 2535 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 4.42ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 176.93ms IncrementalHoareTripleChecker+Time [2021-11-13 18:58:44,706 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [16 Valid, 2535 Invalid, 20 Unknown, 0 Unchecked, 4.42ms Time], IncrementalHoareTripleChecker [0 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 176.93ms Time] [2021-11-13 18:58:44,708 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 888 states. [2021-11-13 18:58:44,745 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 888 to 874. [2021-11-13 18:58:44,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 874 states, 590 states have (on average 1.2779661016949153) internal successors, (754), 604 states have internal predecessors, (754), 208 states have call successors, (208), 74 states have call predecessors, (208), 75 states have return successors, (210), 205 states have call predecessors, (210), 207 states have call successors, (210) [2021-11-13 18:58:44,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 874 states to 874 states and 1172 transitions. [2021-11-13 18:58:44,754 INFO L78 Accepts]: Start accepts. Automaton has 874 states and 1172 transitions. Word has length 568 [2021-11-13 18:58:44,755 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 18:58:44,755 INFO L470 AbstractCegarLoop]: Abstraction has 874 states and 1172 transitions. [2021-11-13 18:58:44,755 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 24.333333333333332) internal successors, (146), 5 states have internal predecessors, (146), 2 states have call successors, (65), 2 states have call predecessors, (65), 3 states have return successors, (64), 3 states have call predecessors, (64), 2 states have call successors, (64) [2021-11-13 18:58:44,755 INFO L276 IsEmpty]: Start isEmpty. Operand 874 states and 1172 transitions. [2021-11-13 18:58:44,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 575 [2021-11-13 18:58:44,762 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 18:58:44,762 INFO L514 BasicCegarLoop]: trace histogram [40, 22, 22, 22, 22, 22, 14, 14, 8, 8, 8, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 18:58:44,813 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c752f0a-c894-4139-b5a2-973a2526d32f/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (12)] Forceful destruction successful, exit code 0 [2021-11-13 18:58:44,980 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c752f0a-c894-4139-b5a2-973a2526d32f/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 [2021-11-13 18:58:44,981 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 18:58:44,981 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:58:44,981 INFO L85 PathProgramCache]: Analyzing trace with hash 370344013, now seen corresponding path program 2 times [2021-11-13 18:58:44,982 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-13 18:58:44,982 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1815378232] [2021-11-13 18:58:44,982 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-13 18:58:44,983 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 18:58:44,983 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c752f0a-c894-4139-b5a2-973a2526d32f/bin/uautomizer-YU5uOKAj3y/mathsat [2021-11-13 18:58:44,983 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c752f0a-c894-4139-b5a2-973a2526d32f/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 18:58:44,985 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c752f0a-c894-4139-b5a2-973a2526d32f/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2021-11-13 18:58:48,757 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-11-13 18:58:48,757 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-13 18:58:48,877 INFO L263 TraceCheckSpWp]: Trace formula consists of 1817 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-13 18:58:48,889 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 18:58:51,831 INFO L134 CoverageAnalysis]: Checked inductivity of 3088 backedges. 836 proven. 0 refuted. 0 times theorem prover too weak. 2252 trivial. 0 not checked. [2021-11-13 18:58:51,832 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 18:58:53,381 INFO L134 CoverageAnalysis]: Checked inductivity of 3088 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 3072 trivial. 0 not checked. [2021-11-13 18:58:53,381 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-13 18:58:53,382 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1815378232] [2021-11-13 18:58:53,382 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1815378232] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-13 18:58:53,382 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-13 18:58:53,382 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 4 [2021-11-13 18:58:53,383 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1482813433] [2021-11-13 18:58:53,383 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-13 18:58:53,384 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-13 18:58:53,384 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-13 18:58:53,385 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-13 18:58:53,385 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-13 18:58:53,385 INFO L87 Difference]: Start difference. First operand 874 states and 1172 transitions. Second operand has 4 states, 4 states have (on average 49.75) internal successors, (199), 4 states have internal predecessors, (199), 4 states have call successors, (89), 3 states have call predecessors, (89), 3 states have return successors, (88), 4 states have call predecessors, (88), 4 states have call successors, (88) [2021-11-13 18:58:55,435 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:58:56,252 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 18:58:56,252 INFO L93 Difference]: Finished difference Result 1783 states and 2375 transitions. [2021-11-13 18:58:56,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-13 18:58:56,254 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 49.75) internal successors, (199), 4 states have internal predecessors, (199), 4 states have call successors, (89), 3 states have call predecessors, (89), 3 states have return successors, (88), 4 states have call predecessors, (88), 4 states have call successors, (88) Word has length 574 [2021-11-13 18:58:56,255 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 18:58:56,260 INFO L225 Difference]: With dead ends: 1783 [2021-11-13 18:58:56,261 INFO L226 Difference]: Without dead ends: 824 [2021-11-13 18:58:56,264 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 1146 GetRequests, 1144 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-13 18:58:56,264 INFO L933 BasicCegarLoop]: 682 mSDtfsCounter, 385 mSDsluCounter, 474 mSDsCounter, 0 mSdLazyCounter, 76 mSolverCounterSat, 43 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2712.44ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 385 SdHoareTripleChecker+Valid, 1156 SdHoareTripleChecker+Invalid, 120 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 4.20ms SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 76 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2794.40ms IncrementalHoareTripleChecker+Time [2021-11-13 18:58:56,265 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [385 Valid, 1156 Invalid, 120 Unknown, 0 Unchecked, 4.20ms Time], IncrementalHoareTripleChecker [43 Valid, 76 Invalid, 1 Unknown, 0 Unchecked, 2794.40ms Time] [2021-11-13 18:58:56,266 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 824 states. [2021-11-13 18:58:56,306 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 824 to 818. [2021-11-13 18:58:56,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 818 states, 550 states have (on average 1.2672727272727273) internal successors, (697), 561 states have internal predecessors, (697), 192 states have call successors, (192), 76 states have call predecessors, (192), 75 states have return successors, (191), 190 states have call predecessors, (191), 191 states have call successors, (191) [2021-11-13 18:58:56,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 818 states to 818 states and 1080 transitions. [2021-11-13 18:58:56,312 INFO L78 Accepts]: Start accepts. Automaton has 818 states and 1080 transitions. Word has length 574 [2021-11-13 18:58:56,314 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 18:58:56,314 INFO L470 AbstractCegarLoop]: Abstraction has 818 states and 1080 transitions. [2021-11-13 18:58:56,314 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 49.75) internal successors, (199), 4 states have internal predecessors, (199), 4 states have call successors, (89), 3 states have call predecessors, (89), 3 states have return successors, (88), 4 states have call predecessors, (88), 4 states have call successors, (88) [2021-11-13 18:58:56,315 INFO L276 IsEmpty]: Start isEmpty. Operand 818 states and 1080 transitions. [2021-11-13 18:58:56,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 582 [2021-11-13 18:58:56,319 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 18:58:56,320 INFO L514 BasicCegarLoop]: trace histogram [40, 22, 22, 22, 22, 22, 14, 14, 8, 8, 8, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 18:58:56,362 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c752f0a-c894-4139-b5a2-973a2526d32f/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (13)] Forceful destruction successful, exit code 0 [2021-11-13 18:58:56,542 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c752f0a-c894-4139-b5a2-973a2526d32f/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 [2021-11-13 18:58:56,543 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 18:58:56,543 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:58:56,543 INFO L85 PathProgramCache]: Analyzing trace with hash -708212898, now seen corresponding path program 1 times [2021-11-13 18:58:56,544 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-13 18:58:56,544 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1977973405] [2021-11-13 18:58:56,544 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:58:56,544 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 18:58:56,544 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c752f0a-c894-4139-b5a2-973a2526d32f/bin/uautomizer-YU5uOKAj3y/mathsat [2021-11-13 18:58:56,545 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c752f0a-c894-4139-b5a2-973a2526d32f/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 18:58:56,547 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c752f0a-c894-4139-b5a2-973a2526d32f/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (14)] Waiting until timeout for monitored process [2021-11-13 18:58:58,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:58:58,091 INFO L263 TraceCheckSpWp]: Trace formula consists of 1823 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-13 18:58:58,102 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 18:59:04,824 INFO L134 CoverageAnalysis]: Checked inductivity of 3073 backedges. 147 proven. 8 refuted. 0 times theorem prover too weak. 2918 trivial. 0 not checked. [2021-11-13 18:59:04,824 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 18:59:07,138 INFO L134 CoverageAnalysis]: Checked inductivity of 3073 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 3065 trivial. 0 not checked. [2021-11-13 18:59:07,139 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-13 18:59:07,139 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1977973405] [2021-11-13 18:59:07,139 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1977973405] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-13 18:59:07,139 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-11-13 18:59:07,140 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 6 [2021-11-13 18:59:07,140 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1555421672] [2021-11-13 18:59:07,140 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-11-13 18:59:07,142 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-13 18:59:07,142 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-13 18:59:07,142 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-13 18:59:07,142 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-11-13 18:59:07,143 INFO L87 Difference]: Start difference. First operand 818 states and 1080 transitions. Second operand has 6 states, 6 states have (on average 41.833333333333336) internal successors, (251), 6 states have internal predecessors, (251), 4 states have call successors, (123), 3 states have call predecessors, (123), 3 states have return successors, (122), 4 states have call predecessors, (122), 4 states have call successors, (122) [2021-11-13 18:59:09,202 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:59:16,196 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 18:59:16,196 INFO L93 Difference]: Finished difference Result 3580 states and 4918 transitions. [2021-11-13 18:59:16,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-13 18:59:16,197 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 41.833333333333336) internal successors, (251), 6 states have internal predecessors, (251), 4 states have call successors, (123), 3 states have call predecessors, (123), 3 states have return successors, (122), 4 states have call predecessors, (122), 4 states have call successors, (122) Word has length 581 [2021-11-13 18:59:16,198 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 18:59:16,220 INFO L225 Difference]: With dead ends: 3580 [2021-11-13 18:59:16,220 INFO L226 Difference]: Without dead ends: 3248 [2021-11-13 18:59:16,223 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 1162 GetRequests, 1157 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-13 18:59:16,224 INFO L933 BasicCegarLoop]: 1013 mSDtfsCounter, 1894 mSDsluCounter, 1109 mSDsCounter, 0 mSdLazyCounter, 787 mSolverCounterSat, 410 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8514.97ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 1894 SdHoareTripleChecker+Valid, 2122 SdHoareTripleChecker+Invalid, 1198 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 14.79ms SdHoareTripleChecker+Time, 410 IncrementalHoareTripleChecker+Valid, 787 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8801.01ms IncrementalHoareTripleChecker+Time [2021-11-13 18:59:16,224 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1894 Valid, 2122 Invalid, 1198 Unknown, 0 Unchecked, 14.79ms Time], IncrementalHoareTripleChecker [410 Valid, 787 Invalid, 1 Unknown, 0 Unchecked, 8801.01ms Time] [2021-11-13 18:59:16,229 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3248 states. [2021-11-13 18:59:16,389 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3248 to 3162. [2021-11-13 18:59:16,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3162 states, 2181 states have (on average 1.3535075653370015) internal successors, (2952), 2237 states have internal predecessors, (2952), 736 states have call successors, (736), 245 states have call predecessors, (736), 244 states have return successors, (735), 726 states have call predecessors, (735), 735 states have call successors, (735) [2021-11-13 18:59:16,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3162 states to 3162 states and 4423 transitions. [2021-11-13 18:59:16,410 INFO L78 Accepts]: Start accepts. Automaton has 3162 states and 4423 transitions. Word has length 581 [2021-11-13 18:59:16,411 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 18:59:16,411 INFO L470 AbstractCegarLoop]: Abstraction has 3162 states and 4423 transitions. [2021-11-13 18:59:16,411 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 41.833333333333336) internal successors, (251), 6 states have internal predecessors, (251), 4 states have call successors, (123), 3 states have call predecessors, (123), 3 states have return successors, (122), 4 states have call predecessors, (122), 4 states have call successors, (122) [2021-11-13 18:59:16,412 INFO L276 IsEmpty]: Start isEmpty. Operand 3162 states and 4423 transitions. [2021-11-13 18:59:16,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 582 [2021-11-13 18:59:16,427 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 18:59:16,427 INFO L514 BasicCegarLoop]: trace histogram [40, 22, 22, 22, 22, 22, 14, 14, 8, 8, 8, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 18:59:16,473 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c752f0a-c894-4139-b5a2-973a2526d32f/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (14)] Forceful destruction successful, exit code 0 [2021-11-13 18:59:16,650 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c752f0a-c894-4139-b5a2-973a2526d32f/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 [2021-11-13 18:59:16,651 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 18:59:16,651 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:59:16,651 INFO L85 PathProgramCache]: Analyzing trace with hash -685580644, now seen corresponding path program 1 times [2021-11-13 18:59:16,652 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-13 18:59:16,652 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1967085488] [2021-11-13 18:59:16,653 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:59:16,653 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 18:59:16,653 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c752f0a-c894-4139-b5a2-973a2526d32f/bin/uautomizer-YU5uOKAj3y/mathsat [2021-11-13 18:59:16,653 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c752f0a-c894-4139-b5a2-973a2526d32f/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 18:59:16,656 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c752f0a-c894-4139-b5a2-973a2526d32f/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (15)] Waiting until timeout for monitored process [2021-11-13 18:59:18,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:59:18,291 INFO L263 TraceCheckSpWp]: Trace formula consists of 1821 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-13 18:59:18,300 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 18:59:19,460 INFO L134 CoverageAnalysis]: Checked inductivity of 3073 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 3062 trivial. 0 not checked. [2021-11-13 18:59:19,460 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-13 18:59:20,586 INFO L134 CoverageAnalysis]: Checked inductivity of 3073 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 3065 trivial. 0 not checked. [2021-11-13 18:59:20,587 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-11-13 18:59:20,587 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1967085488] [2021-11-13 18:59:20,587 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1967085488] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-13 18:59:20,587 INFO L186 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2021-11-13 18:59:20,588 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2021-11-13 18:59:20,588 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [499341088] [2021-11-13 18:59:20,588 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2021-11-13 18:59:20,589 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-13 18:59:20,590 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-11-13 18:59:20,590 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-13 18:59:20,590 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-13 18:59:20,590 INFO L87 Difference]: Start difference. First operand 3162 states and 4423 transitions. Second operand has 5 states, 5 states have (on average 28.8) internal successors, (144), 5 states have internal predecessors, (144), 2 states have call successors, (70), 2 states have call predecessors, (70), 2 states have return successors, (69), 2 states have call predecessors, (69), 2 states have call successors, (69) [2021-11-13 18:59:21,838 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 18:59:21,838 INFO L93 Difference]: Finished difference Result 11987 states and 17387 transitions. [2021-11-13 18:59:21,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-13 18:59:21,839 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 28.8) internal successors, (144), 5 states have internal predecessors, (144), 2 states have call successors, (70), 2 states have call predecessors, (70), 2 states have return successors, (69), 2 states have call predecessors, (69), 2 states have call successors, (69) Word has length 581 [2021-11-13 18:59:21,840 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 18:59:21,900 INFO L225 Difference]: With dead ends: 11987 [2021-11-13 18:59:21,900 INFO L226 Difference]: Without dead ends: 9087 [2021-11-13 18:59:21,913 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 1165 GetRequests, 1159 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-11-13 18:59:21,914 INFO L933 BasicCegarLoop]: 748 mSDtfsCounter, 1187 mSDsluCounter, 1815 mSDsCounter, 0 mSdLazyCounter, 73 mSolverCounterSat, 67 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 670.70ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 1207 SdHoareTripleChecker+Valid, 2563 SdHoareTripleChecker+Invalid, 140 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 7.47ms SdHoareTripleChecker+Time, 67 IncrementalHoareTripleChecker+Valid, 73 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 716.06ms IncrementalHoareTripleChecker+Time [2021-11-13 18:59:21,915 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1207 Valid, 2563 Invalid, 140 Unknown, 0 Unchecked, 7.47ms Time], IncrementalHoareTripleChecker [67 Valid, 73 Invalid, 0 Unknown, 0 Unchecked, 716.06ms Time] [2021-11-13 18:59:21,926 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9087 states. [2021-11-13 18:59:22,259 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9087 to 3170. [2021-11-13 18:59:22,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3170 states, 2189 states have (on average 1.3522156235724074) internal successors, (2960), 2249 states have internal predecessors, (2960), 736 states have call successors, (736), 245 states have call predecessors, (736), 244 states have return successors, (735), 722 states have call predecessors, (735), 735 states have call successors, (735) [2021-11-13 18:59:22,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3170 states to 3170 states and 4431 transitions. [2021-11-13 18:59:22,279 INFO L78 Accepts]: Start accepts. Automaton has 3170 states and 4431 transitions. Word has length 581 [2021-11-13 18:59:22,280 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 18:59:22,280 INFO L470 AbstractCegarLoop]: Abstraction has 3170 states and 4431 transitions. [2021-11-13 18:59:22,280 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 28.8) internal successors, (144), 5 states have internal predecessors, (144), 2 states have call successors, (70), 2 states have call predecessors, (70), 2 states have return successors, (69), 2 states have call predecessors, (69), 2 states have call successors, (69) [2021-11-13 18:59:22,280 INFO L276 IsEmpty]: Start isEmpty. Operand 3170 states and 4431 transitions. [2021-11-13 18:59:22,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 714 [2021-11-13 18:59:22,346 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 18:59:22,347 INFO L514 BasicCegarLoop]: trace histogram [40, 29, 29, 29, 29, 29, 20, 20, 8, 8, 8, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 18:59:22,408 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c752f0a-c894-4139-b5a2-973a2526d32f/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (15)] Forceful destruction successful, exit code 0 [2021-11-13 18:59:22,550 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c752f0a-c894-4139-b5a2-973a2526d32f/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 [2021-11-13 18:59:22,550 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 18:59:22,550 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:59:22,551 INFO L85 PathProgramCache]: Analyzing trace with hash -340310509, now seen corresponding path program 1 times [2021-11-13 18:59:22,553 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-11-13 18:59:22,553 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1366546200] [2021-11-13 18:59:22,553 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:59:22,553 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-13 18:59:22,553 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c752f0a-c894-4139-b5a2-973a2526d32f/bin/uautomizer-YU5uOKAj3y/mathsat [2021-11-13 18:59:22,567 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c752f0a-c894-4139-b5a2-973a2526d32f/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-13 18:59:22,660 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c752f0a-c894-4139-b5a2-973a2526d32f/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (16)] Waiting until timeout for monitored process [2021-11-13 18:59:35,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 18:59:35,915 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-13 18:59:49,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 18:59:51,296 INFO L133 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2021-11-13 18:59:51,296 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-11-13 18:59:51,298 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-11-13 18:59:51,379 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c752f0a-c894-4139-b5a2-973a2526d32f/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 (16)] Forceful destruction successful, exit code 0 [2021-11-13 18:59:51,514 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c752f0a-c894-4139-b5a2-973a2526d32f/bin/uautomizer-YU5uOKAj3y/mathsat -unsat_core_generation=3 [2021-11-13 18:59:51,518 INFO L732 BasicCegarLoop]: Path program histogram: [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 18:59:51,529 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-13 18:59:51,661 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-13 18:59:51,662 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-13 18:59:51,662 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-13 18:59:51,662 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-13 18:59:51,663 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-13 18:59:51,663 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-13 18:59:51,663 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-13 18:59:51,664 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-13 18:59:51,664 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-13 18:59:51,664 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-13 18:59:51,664 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-13 18:59:51,665 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-13 18:59:51,665 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-13 18:59:51,665 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-13 18:59:51,666 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-13 18:59:51,666 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-13 18:59:51,666 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-13 18:59:51,666 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-13 18:59:51,669 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-13 18:59:51,669 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-13 18:59:51,670 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-11-13 18:59:51,671 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-11-13 18:59:51,671 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-13 18:59:51,671 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-13 18:59:51,671 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-11-13 18:59:51,672 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-11-13 18:59:51,672 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-13 18:59:51,672 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-13 18:59:51,673 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-13 18:59:51,673 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-13 18:59:51,674 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-13 18:59:51,674 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-13 18:59:51,674 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-13 18:59:51,674 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-13 18:59:51,675 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-13 18:59:51,675 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-13 18:59:51,675 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-13 18:59:51,676 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-13 18:59:51,676 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-13 18:59:51,676 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-13 18:59:51,676 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-13 18:59:51,677 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-13 18:59:51,677 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-13 18:59:51,677 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-13 18:59:51,677 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-13 18:59:51,678 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-13 18:59:51,678 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-13 18:59:51,678 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-13 18:59:51,678 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-11-13 18:59:51,679 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-11-13 18:59:51,679 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-13 18:59:51,679 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-13 18:59:51,679 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-11-13 18:59:51,680 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-11-13 18:59:51,680 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-13 18:59:51,680 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-13 18:59:51,687 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-13 18:59:51,688 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-13 18:59:51,688 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-13 18:59:51,688 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-13 18:59:51,689 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-13 18:59:51,689 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-13 18:59:51,689 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-13 18:59:51,689 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-13 18:59:51,690 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-13 18:59:51,690 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-13 18:59:51,690 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-13 18:59:51,691 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-13 18:59:51,691 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-11-13 18:59:51,691 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-11-13 18:59:51,691 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-13 18:59:51,691 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-13 18:59:51,692 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-11-13 18:59:51,692 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-11-13 18:59:51,692 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-13 18:59:51,692 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-13 18:59:51,693 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-13 18:59:51,694 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-13 18:59:51,694 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-13 18:59:51,694 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-13 18:59:51,695 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-13 18:59:51,695 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-13 18:59:51,695 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-13 18:59:51,695 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-13 18:59:51,696 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-13 18:59:51,696 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-13 18:59:51,696 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-13 18:59:51,696 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-13 18:59:51,697 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-13 18:59:51,697 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-13 18:59:51,697 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-13 18:59:51,697 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-13 18:59:51,698 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-13 18:59:51,698 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-13 18:59:51,698 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-13 18:59:51,698 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-13 18:59:51,699 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-11-13 18:59:51,699 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-11-13 18:59:51,699 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-13 18:59:51,699 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-13 18:59:51,700 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-11-13 18:59:51,700 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-11-13 18:59:51,700 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-13 18:59:51,700 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-13 18:59:51,701 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-13 18:59:51,701 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-13 18:59:51,702 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-13 18:59:51,702 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-13 18:59:51,702 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-13 18:59:51,703 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-13 18:59:51,703 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-13 18:59:51,703 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-13 18:59:51,703 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-13 18:59:51,704 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-13 18:59:51,704 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-13 18:59:51,704 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-13 18:59:51,704 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-11-13 18:59:51,705 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-11-13 18:59:51,705 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-13 18:59:51,705 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-13 18:59:51,705 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-11-13 18:59:51,706 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-11-13 18:59:51,706 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-13 18:59:51,706 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-13 18:59:51,707 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-13 18:59:51,707 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-13 18:59:51,708 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-13 18:59:51,708 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-13 18:59:51,708 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-13 18:59:51,709 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-13 18:59:51,709 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-13 18:59:51,709 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-13 18:59:51,710 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-13 18:59:51,710 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-13 18:59:51,710 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-13 18:59:51,710 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-13 18:59:51,711 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-13 18:59:51,711 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-13 18:59:51,711 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-13 18:59:51,711 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-13 18:59:51,712 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-13 18:59:51,712 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-13 18:59:51,712 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-13 18:59:51,713 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-13 18:59:51,713 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-11-13 18:59:51,713 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-11-13 18:59:51,713 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-13 18:59:51,713 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-13 18:59:51,714 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-11-13 18:59:51,714 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled [2021-11-13 18:59:51,714 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-13 18:59:51,714 WARN L418 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled [2021-11-13 18:59:51,939 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.NullPointerException at de.uni_freiburg.informatik.ultimate.boogie.procedureinliner.backtranslation.InlinerBacktranslator.computeCurrectProc(InlinerBacktranslator.java:230) at de.uni_freiburg.informatik.ultimate.boogie.procedureinliner.backtranslation.InlinerBacktranslator.translateProgramExecution(InlinerBacktranslator.java:203) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateProgramExecution(ModelTranslationContainer.java:216) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateProgramExecution(ModelTranslationContainer.java:225) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateProgramExecution(ModelTranslationContainer.java:225) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateProgramExecution(ModelTranslationContainer.java:206) at de.uni_freiburg.informatik.ultimate.core.lib.results.UnprovableResult.getProgramExecutionAsString(UnprovableResult.java:132) at de.uni_freiburg.informatik.ultimate.core.lib.results.UnprovableResult.getLongDescription(UnprovableResult.java:125) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ResultService.reportResult(ResultService.java:86) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopResultReporter.reportResult(CegarLoopResultReporter.java:141) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.reportLocationResults(TraceAbstractionStarter.java:586) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:181) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:155) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-13 18:59:51,943 INFO L158 Benchmark]: Toolchain (without parser) took 138289.78ms. Allocated memory was 67.1MB in the beginning and 209.7MB in the end (delta: 142.6MB). Free memory was 40.8MB in the beginning and 79.6MB in the end (delta: -38.8MB). Peak memory consumption was 143.2MB. Max. memory is 16.1GB. [2021-11-13 18:59:51,944 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 67.1MB. Free memory was 47.7MB in the beginning and 47.6MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-13 18:59:51,944 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1362.30ms. Allocated memory was 67.1MB in the beginning and 96.5MB in the end (delta: 29.4MB). Free memory was 40.7MB in the beginning and 58.2MB in the end (delta: -17.6MB). Peak memory consumption was 32.8MB. Max. memory is 16.1GB. [2021-11-13 18:59:51,945 INFO L158 Benchmark]: Boogie Procedure Inliner took 114.16ms. Allocated memory is still 96.5MB. Free memory was 58.2MB in the beginning and 52.8MB in the end (delta: 5.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-13 18:59:51,946 INFO L158 Benchmark]: Boogie Preprocessor took 164.38ms. Allocated memory is still 96.5MB. Free memory was 52.8MB in the beginning and 58.3MB in the end (delta: -5.5MB). Peak memory consumption was 5.3MB. Max. memory is 16.1GB. [2021-11-13 18:59:51,946 INFO L158 Benchmark]: RCFGBuilder took 6545.73ms. Allocated memory was 96.5MB in the beginning and 144.7MB in the end (delta: 48.2MB). Free memory was 58.3MB in the beginning and 90.8MB in the end (delta: -32.5MB). Peak memory consumption was 53.9MB. Max. memory is 16.1GB. [2021-11-13 18:59:51,947 INFO L158 Benchmark]: TraceAbstraction took 130095.31ms. Allocated memory was 144.7MB in the beginning and 209.7MB in the end (delta: 65.0MB). Free memory was 89.8MB in the beginning and 79.6MB in the end (delta: 10.2MB). Peak memory consumption was 116.2MB. Max. memory is 16.1GB. [2021-11-13 18:59:51,949 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 67.1MB. Free memory was 47.7MB in the beginning and 47.6MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1362.30ms. Allocated memory was 67.1MB in the beginning and 96.5MB in the end (delta: 29.4MB). Free memory was 40.7MB in the beginning and 58.2MB in the end (delta: -17.6MB). Peak memory consumption was 32.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 114.16ms. Allocated memory is still 96.5MB. Free memory was 58.2MB in the beginning and 52.8MB in the end (delta: 5.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 164.38ms. Allocated memory is still 96.5MB. Free memory was 52.8MB in the beginning and 58.3MB in the end (delta: -5.5MB). Peak memory consumption was 5.3MB. Max. memory is 16.1GB. * RCFGBuilder took 6545.73ms. Allocated memory was 96.5MB in the beginning and 144.7MB in the end (delta: 48.2MB). Free memory was 58.3MB in the beginning and 90.8MB in the end (delta: -32.5MB). Peak memory consumption was 53.9MB. Max. memory is 16.1GB. * TraceAbstraction took 130095.31ms. Allocated memory was 144.7MB in the beginning and 209.7MB in the end (delta: 65.0MB). Free memory was 89.8MB in the beginning and 79.6MB in the end (delta: 10.2MB). Peak memory consumption was 116.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#res#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_memset_#ptr#1 : $Pointer$ not handled * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - ExceptionOrErrorResult: NullPointerException: null de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: NullPointerException: null: de.uni_freiburg.informatik.ultimate.boogie.procedureinliner.backtranslation.InlinerBacktranslator.computeCurrectProc(InlinerBacktranslator.java:230) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-13 18:59:52,105 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c752f0a-c894-4139-b5a2-973a2526d32f/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: NullPointerException: null