./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-validator-v0.8/linux-stable-42f9f8d-1-111_1a-sound--oss--opl3.ko-entry_point_ldv-val-v0.8.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6b4ec56b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0a537c9-8757-4130-914f-8c3cd5e955c0/bin/uautomizer-ug76WZFUDN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0a537c9-8757-4130-914f-8c3cd5e955c0/bin/uautomizer-ug76WZFUDN/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0a537c9-8757-4130-914f-8c3cd5e955c0/bin/uautomizer-ug76WZFUDN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0a537c9-8757-4130-914f-8c3cd5e955c0/bin/uautomizer-ug76WZFUDN/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-validator-v0.8/linux-stable-42f9f8d-1-111_1a-sound--oss--opl3.ko-entry_point_ldv-val-v0.8.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0a537c9-8757-4130-914f-8c3cd5e955c0/bin/uautomizer-ug76WZFUDN/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0a537c9-8757-4130-914f-8c3cd5e955c0/bin/uautomizer-ug76WZFUDN --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 d7bcbc7066f71bf6da4f6dede38e3e78b7607c55d003b39ab5a687b04791c2e1 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-6b4ec56 [2022-11-20 11:59:17,446 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 11:59:17,448 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 11:59:17,498 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 11:59:17,499 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 11:59:17,503 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 11:59:17,505 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 11:59:17,507 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 11:59:17,509 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 11:59:17,510 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 11:59:17,511 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 11:59:17,512 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 11:59:17,513 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 11:59:17,516 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 11:59:17,517 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 11:59:17,520 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 11:59:17,522 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 11:59:17,527 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 11:59:17,530 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 11:59:17,538 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 11:59:17,541 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 11:59:17,543 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 11:59:17,544 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 11:59:17,545 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 11:59:17,548 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 11:59:17,549 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 11:59:17,549 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 11:59:17,550 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 11:59:17,550 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 11:59:17,551 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 11:59:17,552 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 11:59:17,553 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 11:59:17,553 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 11:59:17,554 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 11:59:17,555 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 11:59:17,556 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 11:59:17,556 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 11:59:17,557 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 11:59:17,557 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 11:59:17,558 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 11:59:17,559 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 11:59:17,560 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0a537c9-8757-4130-914f-8c3cd5e955c0/bin/uautomizer-ug76WZFUDN/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-11-20 11:59:17,580 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 11:59:17,580 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 11:59:17,581 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 11:59:17,581 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 11:59:17,582 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 11:59:17,582 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 11:59:17,583 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 11:59:17,583 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 11:59:17,583 INFO L138 SettingsManager]: * Use SBE=true [2022-11-20 11:59:17,584 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 11:59:17,584 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 11:59:17,584 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 11:59:17,584 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 11:59:17,585 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 11:59:17,585 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 11:59:17,585 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 11:59:17,585 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 11:59:17,586 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 11:59:17,586 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 11:59:17,586 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-20 11:59:17,586 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 11:59:17,587 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 11:59:17,587 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 11:59:17,587 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 11:59:17,588 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 11:59:17,588 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-20 11:59:17,588 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 11:59:17,588 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-20 11:59:17,589 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-20 11:59:17,589 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 11:59:17,589 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_d0a537c9-8757-4130-914f-8c3cd5e955c0/bin/uautomizer-ug76WZFUDN/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0a537c9-8757-4130-914f-8c3cd5e955c0/bin/uautomizer-ug76WZFUDN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d7bcbc7066f71bf6da4f6dede38e3e78b7607c55d003b39ab5a687b04791c2e1 [2022-11-20 11:59:17,889 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 11:59:17,929 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 11:59:17,933 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 11:59:17,936 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 11:59:17,936 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 11:59:17,938 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0a537c9-8757-4130-914f-8c3cd5e955c0/bin/uautomizer-ug76WZFUDN/../../sv-benchmarks/c/ldv-validator-v0.8/linux-stable-42f9f8d-1-111_1a-sound--oss--opl3.ko-entry_point_ldv-val-v0.8.cil.out.i [2022-11-20 11:59:21,045 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 11:59:21,560 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 11:59:21,560 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0a537c9-8757-4130-914f-8c3cd5e955c0/sv-benchmarks/c/ldv-validator-v0.8/linux-stable-42f9f8d-1-111_1a-sound--oss--opl3.ko-entry_point_ldv-val-v0.8.cil.out.i [2022-11-20 11:59:21,604 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0a537c9-8757-4130-914f-8c3cd5e955c0/bin/uautomizer-ug76WZFUDN/data/b1a264be7/aa8ed432ead94135b3e3e3c51d02775a/FLAG21d878f56 [2022-11-20 11:59:21,627 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0a537c9-8757-4130-914f-8c3cd5e955c0/bin/uautomizer-ug76WZFUDN/data/b1a264be7/aa8ed432ead94135b3e3e3c51d02775a [2022-11-20 11:59:21,630 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 11:59:21,632 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 11:59:21,636 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 11:59:21,636 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 11:59:21,640 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 11:59:21,641 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:59:21" (1/1) ... [2022-11-20 11:59:21,642 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51c3d7bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:59:21, skipping insertion in model container [2022-11-20 11:59:21,642 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:59:21" (1/1) ... [2022-11-20 11:59:21,651 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 11:59:21,763 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 11:59:22,802 WARN L237 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_d0a537c9-8757-4130-914f-8c3cd5e955c0/sv-benchmarks/c/ldv-validator-v0.8/linux-stable-42f9f8d-1-111_1a-sound--oss--opl3.ko-entry_point_ldv-val-v0.8.cil.out.i[209427,209440] [2022-11-20 11:59:22,823 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 11:59:22,971 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 11:59:23,275 WARN L237 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_d0a537c9-8757-4130-914f-8c3cd5e955c0/sv-benchmarks/c/ldv-validator-v0.8/linux-stable-42f9f8d-1-111_1a-sound--oss--opl3.ko-entry_point_ldv-val-v0.8.cil.out.i[209427,209440] [2022-11-20 11:59:23,285 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 11:59:23,387 INFO L208 MainTranslator]: Completed translation [2022-11-20 11:59:23,388 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:59:23 WrapperNode [2022-11-20 11:59:23,390 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 11:59:23,392 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 11:59:23,392 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 11:59:23,392 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 11:59:23,400 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:59:23" (1/1) ... [2022-11-20 11:59:23,487 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:59:23" (1/1) ... [2022-11-20 11:59:23,777 INFO L138 Inliner]: procedures = 106, calls = 3465, calls flagged for inlining = 27, calls inlined = 27, statements flattened = 4297 [2022-11-20 11:59:23,777 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 11:59:23,778 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 11:59:23,778 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 11:59:23,778 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 11:59:23,798 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:59:23" (1/1) ... [2022-11-20 11:59:23,798 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:59:23" (1/1) ... [2022-11-20 11:59:23,866 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:59:23" (1/1) ... [2022-11-20 11:59:23,867 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:59:23" (1/1) ... [2022-11-20 11:59:24,054 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:59:23" (1/1) ... [2022-11-20 11:59:24,079 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:59:23" (1/1) ... [2022-11-20 11:59:24,106 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:59:23" (1/1) ... [2022-11-20 11:59:24,120 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:59:23" (1/1) ... [2022-11-20 11:59:24,155 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 11:59:24,157 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 11:59:24,157 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 11:59:24,157 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 11:59:24,158 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:59:23" (1/1) ... [2022-11-20 11:59:24,166 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 11:59:24,177 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0a537c9-8757-4130-914f-8c3cd5e955c0/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:59:24,192 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0a537c9-8757-4130-914f-8c3cd5e955c0/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-20 11:59:24,222 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0a537c9-8757-4130-914f-8c3cd5e955c0/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-20 11:59:24,250 INFO L130 BoogieDeclarations]: Found specification of procedure opl3_alloc_voice [2022-11-20 11:59:24,251 INFO L138 BoogieDeclarations]: Found implementation of procedure opl3_alloc_voice [2022-11-20 11:59:24,251 INFO L130 BoogieDeclarations]: Found specification of procedure opl3_set_instr [2022-11-20 11:59:24,251 INFO L138 BoogieDeclarations]: Found implementation of procedure opl3_set_instr [2022-11-20 11:59:24,251 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-20 11:59:24,252 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2022-11-20 11:59:24,252 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2022-11-20 11:59:24,252 INFO L130 BoogieDeclarations]: Found specification of procedure opl3_reset [2022-11-20 11:59:24,252 INFO L138 BoogieDeclarations]: Found implementation of procedure opl3_reset [2022-11-20 11:59:24,252 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-20 11:59:24,252 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-20 11:59:24,253 INFO L130 BoogieDeclarations]: Found specification of procedure opl3_setup_voice [2022-11-20 11:59:24,253 INFO L138 BoogieDeclarations]: Found implementation of procedure opl3_setup_voice [2022-11-20 11:59:24,253 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-20 11:59:24,253 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-20 11:59:24,253 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-20 11:59:24,254 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-20 11:59:24,254 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-20 11:59:24,255 INFO L130 BoogieDeclarations]: Found specification of procedure opl3_command [2022-11-20 11:59:24,255 INFO L138 BoogieDeclarations]: Found implementation of procedure opl3_command [2022-11-20 11:59:24,255 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-20 11:59:24,255 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-20 11:59:24,255 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-20 11:59:24,256 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-20 11:59:24,256 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_len [2022-11-20 11:59:24,256 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_len [2022-11-20 11:59:24,256 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2022-11-20 11:59:24,256 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2022-11-20 11:59:24,256 INFO L130 BoogieDeclarations]: Found specification of procedure opl3_hw_control [2022-11-20 11:59:24,257 INFO L138 BoogieDeclarations]: Found implementation of procedure opl3_hw_control [2022-11-20 11:59:24,257 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-20 11:59:24,257 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-20 11:59:24,257 INFO L130 BoogieDeclarations]: Found specification of procedure opl3_volume_method [2022-11-20 11:59:24,258 INFO L138 BoogieDeclarations]: Found implementation of procedure opl3_volume_method [2022-11-20 11:59:24,259 INFO L130 BoogieDeclarations]: Found specification of procedure set_voice_volume [2022-11-20 11:59:24,259 INFO L138 BoogieDeclarations]: Found implementation of procedure set_voice_volume [2022-11-20 11:59:24,259 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-20 11:59:24,260 INFO L130 BoogieDeclarations]: Found specification of procedure opl3_aftertouch [2022-11-20 11:59:24,260 INFO L138 BoogieDeclarations]: Found implementation of procedure opl3_aftertouch [2022-11-20 11:59:24,261 INFO L130 BoogieDeclarations]: Found specification of procedure freq_to_fnum [2022-11-20 11:59:24,261 INFO L138 BoogieDeclarations]: Found implementation of procedure freq_to_fnum [2022-11-20 11:59:24,261 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-20 11:59:24,261 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-20 11:59:24,261 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-11-20 11:59:24,261 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-11-20 11:59:24,262 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-20 11:59:24,262 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-20 11:59:24,262 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-20 11:59:24,262 INFO L130 BoogieDeclarations]: Found specification of procedure opl3_load_patch [2022-11-20 11:59:24,263 INFO L138 BoogieDeclarations]: Found implementation of procedure opl3_load_patch [2022-11-20 11:59:24,263 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2022-11-20 11:59:24,263 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2022-11-20 11:59:24,263 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 11:59:24,263 INFO L130 BoogieDeclarations]: Found specification of procedure opl3_start_note [2022-11-20 11:59:24,263 INFO L138 BoogieDeclarations]: Found implementation of procedure opl3_start_note [2022-11-20 11:59:24,264 INFO L130 BoogieDeclarations]: Found specification of procedure opl3_kill_note [2022-11-20 11:59:24,264 INFO L138 BoogieDeclarations]: Found implementation of procedure opl3_kill_note [2022-11-20 11:59:24,264 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-11-20 11:59:24,265 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-11-20 11:59:24,265 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-20 11:59:24,265 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 11:59:24,266 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-20 11:59:24,266 INFO L130 BoogieDeclarations]: Found specification of procedure opl3_ioctl [2022-11-20 11:59:24,266 INFO L138 BoogieDeclarations]: Found implementation of procedure opl3_ioctl [2022-11-20 11:59:24,266 INFO L130 BoogieDeclarations]: Found specification of procedure compute_finetune [2022-11-20 11:59:24,266 INFO L138 BoogieDeclarations]: Found implementation of procedure compute_finetune [2022-11-20 11:59:24,266 INFO L130 BoogieDeclarations]: Found specification of procedure opl3_bender [2022-11-20 11:59:24,267 INFO L138 BoogieDeclarations]: Found implementation of procedure opl3_bender [2022-11-20 11:59:24,267 INFO L130 BoogieDeclarations]: Found specification of procedure opl3_panning [2022-11-20 11:59:24,267 INFO L138 BoogieDeclarations]: Found implementation of procedure opl3_panning [2022-11-20 11:59:24,267 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 11:59:24,267 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-20 11:59:24,267 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2022-11-20 11:59:24,268 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2022-11-20 11:59:24,268 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_copy_from_user_7 [2022-11-20 11:59:24,268 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_copy_from_user_7 [2022-11-20 11:59:24,268 INFO L130 BoogieDeclarations]: Found specification of procedure calc_vol [2022-11-20 11:59:24,268 INFO L138 BoogieDeclarations]: Found implementation of procedure calc_vol [2022-11-20 11:59:24,268 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2022-11-20 11:59:24,268 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2022-11-20 11:59:24,269 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2022-11-20 11:59:24,269 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2022-11-20 11:59:24,269 INFO L130 BoogieDeclarations]: Found specification of procedure opl3_controller [2022-11-20 11:59:24,270 INFO L138 BoogieDeclarations]: Found implementation of procedure opl3_controller [2022-11-20 11:59:24,270 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 11:59:24,270 INFO L130 BoogieDeclarations]: Found specification of procedure store_instr [2022-11-20 11:59:24,270 INFO L138 BoogieDeclarations]: Found implementation of procedure store_instr [2022-11-20 11:59:24,271 INFO L130 BoogieDeclarations]: Found specification of procedure __request_region [2022-11-20 11:59:24,271 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_region [2022-11-20 11:59:24,272 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-20 11:59:24,272 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 11:59:24,272 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 11:59:24,272 INFO L130 BoogieDeclarations]: Found specification of procedure bend_pitch [2022-11-20 11:59:24,272 INFO L138 BoogieDeclarations]: Found implementation of procedure bend_pitch [2022-11-20 11:59:24,809 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 11:59:24,812 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 11:59:25,802 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-20 11:59:32,357 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 11:59:32,380 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 11:59:32,381 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-20 11:59:32,386 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:59:32 BoogieIcfgContainer [2022-11-20 11:59:32,387 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 11:59:32,390 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-20 11:59:32,391 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-20 11:59:32,394 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-20 11:59:32,395 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 11:59:21" (1/3) ... [2022-11-20 11:59:32,397 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c68cd41 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 11:59:32, skipping insertion in model container [2022-11-20 11:59:32,397 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:59:23" (2/3) ... [2022-11-20 11:59:32,398 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c68cd41 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 11:59:32, skipping insertion in model container [2022-11-20 11:59:32,398 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:59:32" (3/3) ... [2022-11-20 11:59:32,400 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-stable-42f9f8d-1-111_1a-sound--oss--opl3.ko-entry_point_ldv-val-v0.8.cil.out.i [2022-11-20 11:59:32,421 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-20 11:59:32,421 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-20 11:59:32,528 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-20 11:59:32,537 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@5b1e1289, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-20 11:59:32,537 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-20 11:59:32,548 INFO L276 IsEmpty]: Start isEmpty. Operand has 879 states, 634 states have (on average 1.4211356466876972) internal successors, (901), 650 states have internal predecessors, (901), 205 states have call successors, (205), 39 states have call predecessors, (205), 38 states have return successors, (202), 198 states have call predecessors, (202), 202 states have call successors, (202) [2022-11-20 11:59:32,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 359 [2022-11-20 11:59:32,579 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 11:59:32,580 INFO L195 NwaCegarLoop]: trace histogram [39, 39, 39, 39, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:59:32,581 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 11:59:32,586 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:59:32,587 INFO L85 PathProgramCache]: Analyzing trace with hash 1836070643, now seen corresponding path program 1 times [2022-11-20 11:59:32,597 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:59:32,598 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [460857714] [2022-11-20 11:59:32,598 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:59:32,599 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:59:33,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:59:34,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 11:59:34,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:59:34,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 11:59:34,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:59:34,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-20 11:59:34,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:59:34,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-20 11:59:34,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:59:34,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 11:59:34,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:59:34,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-20 11:59:34,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:59:34,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-20 11:59:34,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:59:34,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 11:59:34,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:59:34,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-20 11:59:34,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:59:34,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-20 11:59:34,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:59:34,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 11:59:34,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:59:34,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-20 11:59:34,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:59:34,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-11-20 11:59:34,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:59:34,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-11-20 11:59:34,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:59:34,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2022-11-20 11:59:34,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:59:34,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-11-20 11:59:34,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:59:34,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-11-20 11:59:34,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:59:34,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-20 11:59:34,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:59:34,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-11-20 11:59:34,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:59:34,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-11-20 11:59:34,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:59:34,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-11-20 11:59:34,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:59:34,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-11-20 11:59:34,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:59:34,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-11-20 11:59:34,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:59:34,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2022-11-20 11:59:34,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:59:34,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-11-20 11:59:34,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:59:34,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-11-20 11:59:34,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:59:34,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2022-11-20 11:59:34,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:59:34,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2022-11-20 11:59:34,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:59:34,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-11-20 11:59:34,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:59:34,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2022-11-20 11:59:34,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:59:34,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2022-11-20 11:59:34,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:59:34,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2022-11-20 11:59:34,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:59:34,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2022-11-20 11:59:34,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:59:34,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-11-20 11:59:34,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:59:34,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2022-11-20 11:59:34,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:59:34,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2022-11-20 11:59:34,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:59:35,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2022-11-20 11:59:35,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:59:35,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2022-11-20 11:59:35,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:59:35,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2022-11-20 11:59:35,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:59:35,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-11-20 11:59:35,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:59:35,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2022-11-20 11:59:35,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:59:35,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2022-11-20 11:59:35,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:59:35,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2022-11-20 11:59:35,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:59:35,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2022-11-20 11:59:35,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:59:35,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 291 [2022-11-20 11:59:35,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:59:35,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2022-11-20 11:59:35,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:59:35,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2022-11-20 11:59:35,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:59:35,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2022-11-20 11:59:35,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:59:35,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 319 [2022-11-20 11:59:35,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:59:35,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 326 [2022-11-20 11:59:35,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:59:35,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2022-11-20 11:59:35,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:59:35,167 INFO L134 CoverageAnalysis]: Checked inductivity of 3789 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3789 trivial. 0 not checked. [2022-11-20 11:59:35,168 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:59:35,168 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [460857714] [2022-11-20 11:59:35,169 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [460857714] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:59:35,169 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:59:35,169 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-20 11:59:35,171 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [523856392] [2022-11-20 11:59:35,171 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:59:35,179 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-20 11:59:35,179 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 11:59:35,226 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-20 11:59:35,227 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-20 11:59:35,231 INFO L87 Difference]: Start difference. First operand has 879 states, 634 states have (on average 1.4211356466876972) internal successors, (901), 650 states have internal predecessors, (901), 205 states have call successors, (205), 39 states have call predecessors, (205), 38 states have return successors, (202), 198 states have call predecessors, (202), 202 states have call successors, (202) Second operand has 6 states, 6 states have (on average 12.333333333333334) internal successors, (74), 3 states have internal predecessors, (74), 2 states have call successors, (48), 5 states have call predecessors, (48), 1 states have return successors, (45), 1 states have call predecessors, (45), 1 states have call successors, (45) [2022-11-20 11:59:36,838 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.00s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 11:59:41,158 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:59:41,159 INFO L93 Difference]: Finished difference Result 2066 states and 3147 transitions. [2022-11-20 11:59:41,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-20 11:59:41,164 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.333333333333334) internal successors, (74), 3 states have internal predecessors, (74), 2 states have call successors, (48), 5 states have call predecessors, (48), 1 states have return successors, (45), 1 states have call predecessors, (45), 1 states have call successors, (45) Word has length 358 [2022-11-20 11:59:41,166 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 11:59:41,192 INFO L225 Difference]: With dead ends: 2066 [2022-11-20 11:59:41,192 INFO L226 Difference]: Without dead ends: 1151 [2022-11-20 11:59:41,209 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2022-11-20 11:59:41,213 INFO L413 NwaCegarLoop]: 874 mSDtfsCounter, 1637 mSDsluCounter, 993 mSDsCounter, 0 mSdLazyCounter, 1600 mSolverCounterSat, 915 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1734 SdHoareTripleChecker+Valid, 1867 SdHoareTripleChecker+Invalid, 2515 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 915 IncrementalHoareTripleChecker+Valid, 1600 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.5s IncrementalHoareTripleChecker+Time [2022-11-20 11:59:41,214 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1734 Valid, 1867 Invalid, 2515 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [915 Valid, 1600 Invalid, 0 Unknown, 0 Unchecked, 5.5s Time] [2022-11-20 11:59:41,235 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1151 states. [2022-11-20 11:59:41,376 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1151 to 1013. [2022-11-20 11:59:41,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1013 states, 727 states have (on average 1.3782668500687758) internal successors, (1002), 744 states have internal predecessors, (1002), 237 states have call successors, (237), 48 states have call predecessors, (237), 48 states have return successors, (237), 233 states have call predecessors, (237), 237 states have call successors, (237) [2022-11-20 11:59:41,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1013 states to 1013 states and 1476 transitions. [2022-11-20 11:59:41,390 INFO L78 Accepts]: Start accepts. Automaton has 1013 states and 1476 transitions. Word has length 358 [2022-11-20 11:59:41,392 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 11:59:41,392 INFO L495 AbstractCegarLoop]: Abstraction has 1013 states and 1476 transitions. [2022-11-20 11:59:41,393 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.333333333333334) internal successors, (74), 3 states have internal predecessors, (74), 2 states have call successors, (48), 5 states have call predecessors, (48), 1 states have return successors, (45), 1 states have call predecessors, (45), 1 states have call successors, (45) [2022-11-20 11:59:41,393 INFO L276 IsEmpty]: Start isEmpty. Operand 1013 states and 1476 transitions. [2022-11-20 11:59:41,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 371 [2022-11-20 11:59:41,405 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 11:59:41,406 INFO L195 NwaCegarLoop]: trace histogram [39, 39, 39, 39, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:59:41,407 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-20 11:59:41,407 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 11:59:41,408 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:59:41,409 INFO L85 PathProgramCache]: Analyzing trace with hash 1305035105, now seen corresponding path program 1 times [2022-11-20 11:59:41,409 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:59:41,409 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1114287727] [2022-11-20 11:59:41,409 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:59:41,410 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:59:41,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:59:43,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 11:59:43,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:59:43,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 11:59:43,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:59:43,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-20 11:59:43,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:59:43,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-20 11:59:43,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:59:43,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 11:59:43,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:59:43,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-20 11:59:43,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:59:43,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-20 11:59:43,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:59:43,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 11:59:43,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:59:43,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-20 11:59:43,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:59:43,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-20 11:59:43,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:59:43,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 11:59:43,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:59:43,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-20 11:59:43,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:59:43,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-11-20 11:59:43,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:59:43,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-11-20 11:59:43,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:59:43,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2022-11-20 11:59:43,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:59:43,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-11-20 11:59:43,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:59:43,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-11-20 11:59:43,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:59:43,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-20 11:59:43,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:59:43,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-11-20 11:59:43,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:59:43,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-11-20 11:59:43,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:59:43,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-11-20 11:59:43,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:59:43,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-11-20 11:59:43,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:59:43,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-11-20 11:59:43,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:59:43,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2022-11-20 11:59:43,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:59:43,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-11-20 11:59:43,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:59:43,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-11-20 11:59:43,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:59:43,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2022-11-20 11:59:43,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:59:43,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2022-11-20 11:59:43,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:59:43,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-11-20 11:59:43,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:59:43,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2022-11-20 11:59:43,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:59:43,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2022-11-20 11:59:43,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:59:43,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2022-11-20 11:59:43,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:59:43,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2022-11-20 11:59:43,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:59:43,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-11-20 11:59:43,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:59:43,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2022-11-20 11:59:43,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:59:43,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2022-11-20 11:59:43,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:59:43,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2022-11-20 11:59:43,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:59:43,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2022-11-20 11:59:43,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:59:43,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2022-11-20 11:59:43,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:59:43,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-11-20 11:59:43,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:59:43,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2022-11-20 11:59:43,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:59:43,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2022-11-20 11:59:43,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:59:43,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2022-11-20 11:59:43,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:59:43,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2022-11-20 11:59:43,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:59:43,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 291 [2022-11-20 11:59:43,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:59:43,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2022-11-20 11:59:43,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:59:43,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2022-11-20 11:59:43,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:59:43,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2022-11-20 11:59:43,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:59:43,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 319 [2022-11-20 11:59:43,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:59:43,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 326 [2022-11-20 11:59:43,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:59:43,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2022-11-20 11:59:43,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:59:43,595 INFO L134 CoverageAnalysis]: Checked inductivity of 3791 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3789 trivial. 0 not checked. [2022-11-20 11:59:43,595 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:59:43,595 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1114287727] [2022-11-20 11:59:43,595 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1114287727] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:59:43,596 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:59:43,596 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-20 11:59:43,596 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [342517891] [2022-11-20 11:59:43,596 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:59:43,598 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-20 11:59:43,598 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 11:59:43,599 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-20 11:59:43,599 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-20 11:59:43,599 INFO L87 Difference]: Start difference. First operand 1013 states and 1476 transitions. Second operand has 6 states, 6 states have (on average 14.333333333333334) internal successors, (86), 3 states have internal predecessors, (86), 3 states have call successors, (48), 5 states have call predecessors, (48), 1 states have return successors, (45), 2 states have call predecessors, (45), 2 states have call successors, (45) [2022-11-20 11:59:48,943 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:59:48,944 INFO L93 Difference]: Finished difference Result 2060 states and 3048 transitions. [2022-11-20 11:59:48,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-20 11:59:48,945 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 14.333333333333334) internal successors, (86), 3 states have internal predecessors, (86), 3 states have call successors, (48), 5 states have call predecessors, (48), 1 states have return successors, (45), 2 states have call predecessors, (45), 2 states have call successors, (45) Word has length 370 [2022-11-20 11:59:48,946 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 11:59:48,957 INFO L225 Difference]: With dead ends: 2060 [2022-11-20 11:59:48,957 INFO L226 Difference]: Without dead ends: 1151 [2022-11-20 11:59:48,962 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 102 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2022-11-20 11:59:48,964 INFO L413 NwaCegarLoop]: 804 mSDtfsCounter, 2046 mSDsluCounter, 754 mSDsCounter, 0 mSdLazyCounter, 1174 mSolverCounterSat, 651 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2148 SdHoareTripleChecker+Valid, 1558 SdHoareTripleChecker+Invalid, 1825 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 651 IncrementalHoareTripleChecker+Valid, 1174 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.1s IncrementalHoareTripleChecker+Time [2022-11-20 11:59:48,964 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2148 Valid, 1558 Invalid, 1825 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [651 Valid, 1174 Invalid, 0 Unknown, 0 Unchecked, 5.1s Time] [2022-11-20 11:59:48,967 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1151 states. [2022-11-20 11:59:49,037 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1151 to 1013. [2022-11-20 11:59:49,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1013 states, 727 states have (on average 1.375515818431912) internal successors, (1000), 744 states have internal predecessors, (1000), 237 states have call successors, (237), 48 states have call predecessors, (237), 48 states have return successors, (237), 233 states have call predecessors, (237), 237 states have call successors, (237) [2022-11-20 11:59:49,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1013 states to 1013 states and 1474 transitions. [2022-11-20 11:59:49,048 INFO L78 Accepts]: Start accepts. Automaton has 1013 states and 1474 transitions. Word has length 370 [2022-11-20 11:59:49,049 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 11:59:49,050 INFO L495 AbstractCegarLoop]: Abstraction has 1013 states and 1474 transitions. [2022-11-20 11:59:49,050 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 14.333333333333334) internal successors, (86), 3 states have internal predecessors, (86), 3 states have call successors, (48), 5 states have call predecessors, (48), 1 states have return successors, (45), 2 states have call predecessors, (45), 2 states have call successors, (45) [2022-11-20 11:59:49,050 INFO L276 IsEmpty]: Start isEmpty. Operand 1013 states and 1474 transitions. [2022-11-20 11:59:49,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 373 [2022-11-20 11:59:49,058 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 11:59:49,058 INFO L195 NwaCegarLoop]: trace histogram [39, 39, 39, 39, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2022-11-20 11:59:49,059 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-20 11:59:49,059 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 11:59:49,060 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:59:49,060 INFO L85 PathProgramCache]: Analyzing trace with hash 1268257149, now seen corresponding path program 1 times [2022-11-20 11:59:49,060 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:59:49,061 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1993245268] [2022-11-20 11:59:49,061 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:59:49,061 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:59:49,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:59:50,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 11:59:50,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:59:50,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 11:59:50,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:59:50,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-20 11:59:50,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:59:50,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-20 11:59:50,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:59:50,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 11:59:50,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:59:50,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-20 11:59:50,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:59:50,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-20 11:59:50,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:59:50,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 11:59:50,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:59:50,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-20 11:59:50,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:59:50,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-20 11:59:50,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:59:50,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 11:59:50,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:59:50,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-20 11:59:50,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:59:50,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-11-20 11:59:50,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:59:50,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-11-20 11:59:50,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:59:50,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2022-11-20 11:59:50,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:59:50,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-11-20 11:59:50,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:59:50,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-11-20 11:59:50,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:59:50,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-20 11:59:50,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:59:50,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-11-20 11:59:50,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:59:50,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-11-20 11:59:50,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:59:50,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-11-20 11:59:50,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:59:50,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-11-20 11:59:50,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:59:50,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-11-20 11:59:50,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:59:50,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2022-11-20 11:59:50,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:59:50,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-11-20 11:59:50,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:59:50,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-11-20 11:59:50,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:59:50,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2022-11-20 11:59:50,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:59:50,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2022-11-20 11:59:50,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:59:50,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-11-20 11:59:50,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:59:50,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2022-11-20 11:59:50,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:59:50,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2022-11-20 11:59:50,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:59:50,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2022-11-20 11:59:50,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:59:50,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2022-11-20 11:59:50,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:59:50,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-11-20 11:59:50,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:59:50,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2022-11-20 11:59:50,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:59:50,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2022-11-20 11:59:50,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:59:50,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2022-11-20 11:59:50,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:59:50,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2022-11-20 11:59:50,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:59:50,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2022-11-20 11:59:50,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:59:50,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-11-20 11:59:50,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:59:50,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2022-11-20 11:59:50,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:59:50,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2022-11-20 11:59:50,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:59:50,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2022-11-20 11:59:50,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:59:50,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2022-11-20 11:59:50,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:59:50,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 291 [2022-11-20 11:59:50,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:59:50,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2022-11-20 11:59:50,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:59:50,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2022-11-20 11:59:50,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:59:50,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2022-11-20 11:59:50,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:59:50,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 319 [2022-11-20 11:59:50,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:59:50,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 326 [2022-11-20 11:59:50,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:59:50,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2022-11-20 11:59:50,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:59:50,817 INFO L134 CoverageAnalysis]: Checked inductivity of 3791 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3789 trivial. 0 not checked. [2022-11-20 11:59:50,817 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:59:50,818 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1993245268] [2022-11-20 11:59:50,818 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1993245268] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:59:50,818 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:59:50,818 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-20 11:59:50,819 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1746849032] [2022-11-20 11:59:50,819 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:59:50,820 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-20 11:59:50,820 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 11:59:50,820 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-20 11:59:50,820 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-11-20 11:59:50,821 INFO L87 Difference]: Start difference. First operand 1013 states and 1474 transitions. Second operand has 7 states, 7 states have (on average 12.571428571428571) internal successors, (88), 4 states have internal predecessors, (88), 2 states have call successors, (48), 5 states have call predecessors, (48), 1 states have return successors, (45), 1 states have call predecessors, (45), 1 states have call successors, (45) [2022-11-20 11:59:57,685 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:59:57,686 INFO L93 Difference]: Finished difference Result 2066 states and 3052 transitions. [2022-11-20 11:59:57,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-20 11:59:57,687 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.571428571428571) internal successors, (88), 4 states have internal predecessors, (88), 2 states have call successors, (48), 5 states have call predecessors, (48), 1 states have return successors, (45), 1 states have call predecessors, (45), 1 states have call successors, (45) Word has length 372 [2022-11-20 11:59:57,688 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 11:59:57,698 INFO L225 Difference]: With dead ends: 2066 [2022-11-20 11:59:57,699 INFO L226 Difference]: Without dead ends: 1151 [2022-11-20 11:59:57,704 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 102 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2022-11-20 11:59:57,706 INFO L413 NwaCegarLoop]: 807 mSDtfsCounter, 928 mSDsluCounter, 2101 mSDsCounter, 0 mSdLazyCounter, 2399 mSolverCounterSat, 502 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 954 SdHoareTripleChecker+Valid, 2908 SdHoareTripleChecker+Invalid, 2901 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 502 IncrementalHoareTripleChecker+Valid, 2399 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.6s IncrementalHoareTripleChecker+Time [2022-11-20 11:59:57,706 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [954 Valid, 2908 Invalid, 2901 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [502 Valid, 2399 Invalid, 0 Unknown, 0 Unchecked, 6.6s Time] [2022-11-20 11:59:57,709 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1151 states. [2022-11-20 11:59:57,767 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1151 to 1013. [2022-11-20 11:59:57,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1013 states, 727 states have (on average 1.372764786795048) internal successors, (998), 744 states have internal predecessors, (998), 237 states have call successors, (237), 48 states have call predecessors, (237), 48 states have return successors, (237), 233 states have call predecessors, (237), 237 states have call successors, (237) [2022-11-20 11:59:57,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1013 states to 1013 states and 1472 transitions. [2022-11-20 11:59:57,777 INFO L78 Accepts]: Start accepts. Automaton has 1013 states and 1472 transitions. Word has length 372 [2022-11-20 11:59:57,778 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 11:59:57,778 INFO L495 AbstractCegarLoop]: Abstraction has 1013 states and 1472 transitions. [2022-11-20 11:59:57,778 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.571428571428571) internal successors, (88), 4 states have internal predecessors, (88), 2 states have call successors, (48), 5 states have call predecessors, (48), 1 states have return successors, (45), 1 states have call predecessors, (45), 1 states have call successors, (45) [2022-11-20 11:59:57,778 INFO L276 IsEmpty]: Start isEmpty. Operand 1013 states and 1472 transitions. [2022-11-20 11:59:57,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 376 [2022-11-20 11:59:57,785 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 11:59:57,786 INFO L195 NwaCegarLoop]: trace histogram [39, 39, 39, 39, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2022-11-20 11:59:57,786 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-20 11:59:57,786 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 11:59:57,787 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:59:57,787 INFO L85 PathProgramCache]: Analyzing trace with hash 492502908, now seen corresponding path program 1 times [2022-11-20 11:59:57,787 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 11:59:57,787 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1476397498] [2022-11-20 11:59:57,787 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:59:57,788 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 11:59:58,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:59:59,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 11:59:59,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:59:59,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 11:59:59,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:59:59,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-20 11:59:59,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:59:59,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-20 11:59:59,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:59:59,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 11:59:59,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:59:59,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-20 11:59:59,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:59:59,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-20 11:59:59,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:59:59,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 11:59:59,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:59:59,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-20 11:59:59,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:59:59,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-20 11:59:59,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:59:59,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 11:59:59,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:59:59,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-20 11:59:59,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:59:59,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-11-20 11:59:59,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:59:59,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-11-20 11:59:59,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:59:59,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2022-11-20 11:59:59,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:59:59,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-11-20 11:59:59,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:59:59,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-11-20 11:59:59,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:59:59,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-20 11:59:59,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:59:59,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-11-20 11:59:59,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:59:59,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-11-20 11:59:59,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:59:59,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-11-20 11:59:59,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:59:59,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-11-20 11:59:59,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:59:59,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-11-20 11:59:59,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:59:59,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2022-11-20 11:59:59,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:59:59,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-11-20 11:59:59,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:59:59,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-11-20 11:59:59,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:59:59,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2022-11-20 11:59:59,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:59:59,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2022-11-20 11:59:59,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:59:59,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-11-20 11:59:59,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:59:59,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2022-11-20 11:59:59,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:59:59,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2022-11-20 11:59:59,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:59:59,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2022-11-20 11:59:59,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:59:59,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2022-11-20 11:59:59,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:59:59,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-11-20 11:59:59,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:59:59,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2022-11-20 11:59:59,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:59:59,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2022-11-20 11:59:59,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:59:59,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2022-11-20 11:59:59,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:59:59,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2022-11-20 11:59:59,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:59:59,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2022-11-20 11:59:59,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:59:59,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-11-20 11:59:59,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:59:59,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2022-11-20 11:59:59,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:59:59,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2022-11-20 11:59:59,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:59:59,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2022-11-20 11:59:59,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:59:59,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2022-11-20 11:59:59,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:59:59,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 291 [2022-11-20 11:59:59,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:59:59,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2022-11-20 11:59:59,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:59:59,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2022-11-20 11:59:59,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:59:59,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2022-11-20 11:59:59,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:59:59,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 319 [2022-11-20 11:59:59,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:59:59,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 326 [2022-11-20 11:59:59,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:59:59,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2022-11-20 11:59:59,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:59:59,439 INFO L134 CoverageAnalysis]: Checked inductivity of 3791 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3789 trivial. 0 not checked. [2022-11-20 11:59:59,440 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 11:59:59,441 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1476397498] [2022-11-20 11:59:59,441 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1476397498] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:59:59,441 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:59:59,441 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-20 11:59:59,442 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [445789235] [2022-11-20 11:59:59,442 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:59:59,443 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-20 11:59:59,443 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 11:59:59,443 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-20 11:59:59,444 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-11-20 11:59:59,444 INFO L87 Difference]: Start difference. First operand 1013 states and 1472 transitions. Second operand has 7 states, 7 states have (on average 13.0) internal successors, (91), 4 states have internal predecessors, (91), 2 states have call successors, (48), 5 states have call predecessors, (48), 1 states have return successors, (45), 1 states have call predecessors, (45), 1 states have call successors, (45) [2022-11-20 12:00:05,829 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:00:05,829 INFO L93 Difference]: Finished difference Result 2064 states and 3044 transitions. [2022-11-20 12:00:05,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-20 12:00:05,830 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 13.0) internal successors, (91), 4 states have internal predecessors, (91), 2 states have call successors, (48), 5 states have call predecessors, (48), 1 states have return successors, (45), 1 states have call predecessors, (45), 1 states have call successors, (45) Word has length 375 [2022-11-20 12:00:05,831 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:00:05,841 INFO L225 Difference]: With dead ends: 2064 [2022-11-20 12:00:05,841 INFO L226 Difference]: Without dead ends: 1139 [2022-11-20 12:00:05,847 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 102 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2022-11-20 12:00:05,848 INFO L413 NwaCegarLoop]: 807 mSDtfsCounter, 926 mSDsluCounter, 2097 mSDsCounter, 0 mSdLazyCounter, 2394 mSolverCounterSat, 501 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 952 SdHoareTripleChecker+Valid, 2904 SdHoareTripleChecker+Invalid, 2895 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 501 IncrementalHoareTripleChecker+Valid, 2394 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.2s IncrementalHoareTripleChecker+Time [2022-11-20 12:00:05,849 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [952 Valid, 2904 Invalid, 2895 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [501 Valid, 2394 Invalid, 0 Unknown, 0 Unchecked, 6.2s Time] [2022-11-20 12:00:05,852 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1139 states. [2022-11-20 12:00:05,924 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1139 to 1001. [2022-11-20 12:00:05,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1001 states, 721 states have (on average 1.3647711511789182) internal successors, (984), 736 states have internal predecessors, (984), 233 states have call successors, (233), 46 states have call predecessors, (233), 46 states have return successors, (233), 229 states have call predecessors, (233), 233 states have call successors, (233) [2022-11-20 12:00:05,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1001 states to 1001 states and 1450 transitions. [2022-11-20 12:00:05,935 INFO L78 Accepts]: Start accepts. Automaton has 1001 states and 1450 transitions. Word has length 375 [2022-11-20 12:00:05,935 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 12:00:05,936 INFO L495 AbstractCegarLoop]: Abstraction has 1001 states and 1450 transitions. [2022-11-20 12:00:05,936 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.0) internal successors, (91), 4 states have internal predecessors, (91), 2 states have call successors, (48), 5 states have call predecessors, (48), 1 states have return successors, (45), 1 states have call predecessors, (45), 1 states have call successors, (45) [2022-11-20 12:00:05,936 INFO L276 IsEmpty]: Start isEmpty. Operand 1001 states and 1450 transitions. [2022-11-20 12:00:05,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 496 [2022-11-20 12:00:05,951 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:00:05,952 INFO L195 NwaCegarLoop]: trace histogram [39, 39, 39, 39, 8, 8, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:00:05,952 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-20 12:00:05,952 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 12:00:05,953 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:00:05,953 INFO L85 PathProgramCache]: Analyzing trace with hash 1323200060, now seen corresponding path program 1 times [2022-11-20 12:00:05,953 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:00:05,954 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [249044971] [2022-11-20 12:00:05,954 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:00:05,954 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:00:06,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:07,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 12:00:07,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:07,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 12:00:07,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:07,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-20 12:00:07,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:07,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-20 12:00:07,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:07,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 12:00:07,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:07,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-20 12:00:07,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:07,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-20 12:00:07,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:07,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 12:00:07,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:07,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-20 12:00:07,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:07,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-20 12:00:07,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:07,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 12:00:07,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:07,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-20 12:00:07,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:07,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-11-20 12:00:07,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:07,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-11-20 12:00:07,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:07,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2022-11-20 12:00:07,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:07,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-11-20 12:00:07,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:07,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-11-20 12:00:07,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:07,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-20 12:00:07,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:07,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-11-20 12:00:07,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:07,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-11-20 12:00:07,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:07,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-11-20 12:00:07,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:07,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-11-20 12:00:07,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:07,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-11-20 12:00:07,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:07,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2022-11-20 12:00:07,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:07,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-11-20 12:00:07,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:07,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-11-20 12:00:07,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:07,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2022-11-20 12:00:07,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:07,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2022-11-20 12:00:07,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:07,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-11-20 12:00:07,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:07,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2022-11-20 12:00:07,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:07,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2022-11-20 12:00:07,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:07,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2022-11-20 12:00:07,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:07,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2022-11-20 12:00:07,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:07,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-11-20 12:00:07,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:07,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2022-11-20 12:00:07,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:07,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2022-11-20 12:00:07,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:07,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2022-11-20 12:00:07,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:07,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2022-11-20 12:00:07,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:07,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2022-11-20 12:00:07,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:07,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-11-20 12:00:07,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:07,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2022-11-20 12:00:07,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:07,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2022-11-20 12:00:07,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:07,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2022-11-20 12:00:07,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:07,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2022-11-20 12:00:07,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:07,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 291 [2022-11-20 12:00:07,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:07,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2022-11-20 12:00:07,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:07,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2022-11-20 12:00:07,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:07,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2022-11-20 12:00:07,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:07,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 319 [2022-11-20 12:00:07,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:07,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 326 [2022-11-20 12:00:07,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:07,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2022-11-20 12:00:07,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:07,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2022-11-20 12:00:07,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:07,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 359 [2022-11-20 12:00:07,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:07,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2022-11-20 12:00:07,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:07,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 12:00:07,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:07,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 378 [2022-11-20 12:00:07,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:07,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 12:00:07,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:07,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-20 12:00:07,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:07,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 396 [2022-11-20 12:00:07,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:07,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 12:00:07,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:07,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-20 12:00:07,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:07,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-20 12:00:07,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:07,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 417 [2022-11-20 12:00:07,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:07,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 426 [2022-11-20 12:00:07,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:07,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 12:00:07,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:07,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-20 12:00:07,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:07,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-20 12:00:07,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:07,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 447 [2022-11-20 12:00:07,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:07,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 12:00:07,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:07,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-20 12:00:07,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:07,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-20 12:00:07,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:07,668 INFO L134 CoverageAnalysis]: Checked inductivity of 3951 backedges. 2 proven. 18 refuted. 0 times theorem prover too weak. 3931 trivial. 0 not checked. [2022-11-20 12:00:07,669 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 12:00:07,669 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [249044971] [2022-11-20 12:00:07,669 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [249044971] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 12:00:07,669 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1569113982] [2022-11-20 12:00:07,670 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:00:07,670 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 12:00:07,670 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0a537c9-8757-4130-914f-8c3cd5e955c0/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:00:07,674 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0a537c9-8757-4130-914f-8c3cd5e955c0/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 12:00:07,707 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0a537c9-8757-4130-914f-8c3cd5e955c0/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-20 12:00:09,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:09,990 INFO L263 TraceCheckSpWp]: Trace formula consists of 10016 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 12:00:10,027 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:00:10,117 INFO L134 CoverageAnalysis]: Checked inductivity of 3951 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 3913 trivial. 0 not checked. [2022-11-20 12:00:10,118 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 12:00:10,118 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1569113982] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:00:10,118 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-20 12:00:10,119 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 7 [2022-11-20 12:00:10,119 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1852501529] [2022-11-20 12:00:10,119 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:00:10,120 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 12:00:10,120 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 12:00:10,121 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 12:00:10,121 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-11-20 12:00:10,121 INFO L87 Difference]: Start difference. First operand 1001 states and 1450 transitions. Second operand has 3 states, 3 states have (on average 45.333333333333336) internal successors, (136), 3 states have internal predecessors, (136), 2 states have call successors, (61), 2 states have call predecessors, (61), 2 states have return successors, (58), 2 states have call predecessors, (58), 2 states have call successors, (58) [2022-11-20 12:00:10,196 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:00:10,196 INFO L93 Difference]: Finished difference Result 1910 states and 2865 transitions. [2022-11-20 12:00:10,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 12:00:10,197 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 45.333333333333336) internal successors, (136), 3 states have internal predecessors, (136), 2 states have call successors, (61), 2 states have call predecessors, (61), 2 states have return successors, (58), 2 states have call predecessors, (58), 2 states have call successors, (58) Word has length 495 [2022-11-20 12:00:10,198 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:00:10,205 INFO L225 Difference]: With dead ends: 1910 [2022-11-20 12:00:10,205 INFO L226 Difference]: Without dead ends: 1013 [2022-11-20 12:00:10,211 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 640 GetRequests, 635 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-11-20 12:00:10,211 INFO L413 NwaCegarLoop]: 1242 mSDtfsCounter, 2 mSDsluCounter, 1235 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 2477 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 12:00:10,212 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 2477 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 12:00:10,214 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1013 states. [2022-11-20 12:00:10,258 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1013 to 1005. [2022-11-20 12:00:10,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1005 states, 725 states have (on average 1.3627586206896551) internal successors, (988), 740 states have internal predecessors, (988), 233 states have call successors, (233), 46 states have call predecessors, (233), 46 states have return successors, (233), 229 states have call predecessors, (233), 233 states have call successors, (233) [2022-11-20 12:00:10,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1005 states to 1005 states and 1454 transitions. [2022-11-20 12:00:10,267 INFO L78 Accepts]: Start accepts. Automaton has 1005 states and 1454 transitions. Word has length 495 [2022-11-20 12:00:10,268 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 12:00:10,268 INFO L495 AbstractCegarLoop]: Abstraction has 1005 states and 1454 transitions. [2022-11-20 12:00:10,269 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 45.333333333333336) internal successors, (136), 3 states have internal predecessors, (136), 2 states have call successors, (61), 2 states have call predecessors, (61), 2 states have return successors, (58), 2 states have call predecessors, (58), 2 states have call successors, (58) [2022-11-20 12:00:10,269 INFO L276 IsEmpty]: Start isEmpty. Operand 1005 states and 1454 transitions. [2022-11-20 12:00:10,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 511 [2022-11-20 12:00:10,281 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:00:10,281 INFO L195 NwaCegarLoop]: trace histogram [39, 39, 39, 39, 8, 8, 8, 8, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:00:10,312 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0a537c9-8757-4130-914f-8c3cd5e955c0/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2022-11-20 12:00:10,494 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0a537c9-8757-4130-914f-8c3cd5e955c0/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 12:00:10,495 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 12:00:10,495 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:00:10,495 INFO L85 PathProgramCache]: Analyzing trace with hash 1458076539, now seen corresponding path program 1 times [2022-11-20 12:00:10,495 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:00:10,496 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [822468179] [2022-11-20 12:00:10,496 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:00:10,496 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:00:10,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:11,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 12:00:11,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:11,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 12:00:11,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:11,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-20 12:00:11,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:11,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-20 12:00:11,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:11,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 12:00:11,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:11,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-20 12:00:11,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:11,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-20 12:00:11,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:11,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 12:00:11,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:11,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-20 12:00:11,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:11,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-20 12:00:11,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:11,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 12:00:11,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:11,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-20 12:00:11,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:11,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-11-20 12:00:11,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:11,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-11-20 12:00:11,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:11,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2022-11-20 12:00:11,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:11,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-11-20 12:00:11,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:11,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-11-20 12:00:11,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:11,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-20 12:00:11,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:11,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-11-20 12:00:11,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:11,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-11-20 12:00:11,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:11,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-11-20 12:00:11,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:11,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-11-20 12:00:11,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:11,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-11-20 12:00:11,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:11,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2022-11-20 12:00:11,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:11,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-11-20 12:00:11,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:11,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-11-20 12:00:11,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:11,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2022-11-20 12:00:11,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:11,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2022-11-20 12:00:11,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:12,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-11-20 12:00:12,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:12,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2022-11-20 12:00:12,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:12,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2022-11-20 12:00:12,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:12,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2022-11-20 12:00:12,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:12,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2022-11-20 12:00:12,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:12,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-11-20 12:00:12,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:12,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2022-11-20 12:00:12,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:12,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2022-11-20 12:00:12,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:12,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2022-11-20 12:00:12,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:12,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2022-11-20 12:00:12,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:12,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2022-11-20 12:00:12,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:12,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-11-20 12:00:12,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:12,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2022-11-20 12:00:12,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:12,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2022-11-20 12:00:12,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:12,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2022-11-20 12:00:12,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:12,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2022-11-20 12:00:12,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:12,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 291 [2022-11-20 12:00:12,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:12,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2022-11-20 12:00:12,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:12,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2022-11-20 12:00:12,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:12,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2022-11-20 12:00:12,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:12,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 319 [2022-11-20 12:00:12,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:12,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 326 [2022-11-20 12:00:12,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:12,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2022-11-20 12:00:12,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:12,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2022-11-20 12:00:12,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:12,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 359 [2022-11-20 12:00:12,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:12,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2022-11-20 12:00:12,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:12,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 12:00:12,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:12,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 378 [2022-11-20 12:00:12,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:12,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 12:00:12,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:12,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-20 12:00:12,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:12,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-20 12:00:12,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:12,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-20 12:00:12,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:12,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 402 [2022-11-20 12:00:12,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:12,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 12:00:12,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:12,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-20 12:00:12,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:12,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-20 12:00:12,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:12,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-20 12:00:12,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:12,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 426 [2022-11-20 12:00:12,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:12,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 435 [2022-11-20 12:00:12,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:12,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 12:00:12,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:12,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-20 12:00:12,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:12,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-20 12:00:12,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:12,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-20 12:00:12,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:12,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 459 [2022-11-20 12:00:12,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:12,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 12:00:12,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:12,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-20 12:00:12,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:12,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-20 12:00:12,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:12,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-20 12:00:12,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:12,271 INFO L134 CoverageAnalysis]: Checked inductivity of 4029 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4027 trivial. 0 not checked. [2022-11-20 12:00:12,271 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 12:00:12,272 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [822468179] [2022-11-20 12:00:12,272 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [822468179] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:00:12,272 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:00:12,272 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-20 12:00:12,272 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1835608896] [2022-11-20 12:00:12,273 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:00:12,274 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-20 12:00:12,275 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 12:00:12,275 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-20 12:00:12,275 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-11-20 12:00:12,276 INFO L87 Difference]: Start difference. First operand 1005 states and 1454 transitions. Second operand has 7 states, 7 states have (on average 18.142857142857142) internal successors, (127), 3 states have internal predecessors, (127), 2 states have call successors, (61), 6 states have call predecessors, (61), 1 states have return successors, (58), 2 states have call predecessors, (58), 2 states have call successors, (58) [2022-11-20 12:00:17,792 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:00:17,792 INFO L93 Difference]: Finished difference Result 2052 states and 3017 transitions. [2022-11-20 12:00:17,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-20 12:00:17,793 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 18.142857142857142) internal successors, (127), 3 states have internal predecessors, (127), 2 states have call successors, (61), 6 states have call predecessors, (61), 1 states have return successors, (58), 2 states have call predecessors, (58), 2 states have call successors, (58) Word has length 510 [2022-11-20 12:00:17,794 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:00:17,806 INFO L225 Difference]: With dead ends: 2052 [2022-11-20 12:00:17,806 INFO L226 Difference]: Without dead ends: 1151 [2022-11-20 12:00:17,811 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 157 GetRequests, 151 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2022-11-20 12:00:17,812 INFO L413 NwaCegarLoop]: 776 mSDtfsCounter, 1304 mSDsluCounter, 1387 mSDsCounter, 0 mSdLazyCounter, 1818 mSolverCounterSat, 742 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1338 SdHoareTripleChecker+Valid, 2163 SdHoareTripleChecker+Invalid, 2560 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 742 IncrementalHoareTripleChecker+Valid, 1818 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.3s IncrementalHoareTripleChecker+Time [2022-11-20 12:00:17,813 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1338 Valid, 2163 Invalid, 2560 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [742 Valid, 1818 Invalid, 0 Unknown, 0 Unchecked, 5.3s Time] [2022-11-20 12:00:17,815 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1151 states. [2022-11-20 12:00:17,869 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1151 to 1007. [2022-11-20 12:00:17,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1007 states, 727 states have (on average 1.361760660247593) internal successors, (990), 742 states have internal predecessors, (990), 233 states have call successors, (233), 46 states have call predecessors, (233), 46 states have return successors, (233), 229 states have call predecessors, (233), 233 states have call successors, (233) [2022-11-20 12:00:17,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1007 states to 1007 states and 1456 transitions. [2022-11-20 12:00:17,878 INFO L78 Accepts]: Start accepts. Automaton has 1007 states and 1456 transitions. Word has length 510 [2022-11-20 12:00:17,879 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 12:00:17,879 INFO L495 AbstractCegarLoop]: Abstraction has 1007 states and 1456 transitions. [2022-11-20 12:00:17,879 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 18.142857142857142) internal successors, (127), 3 states have internal predecessors, (127), 2 states have call successors, (61), 6 states have call predecessors, (61), 1 states have return successors, (58), 2 states have call predecessors, (58), 2 states have call successors, (58) [2022-11-20 12:00:17,879 INFO L276 IsEmpty]: Start isEmpty. Operand 1007 states and 1456 transitions. [2022-11-20 12:00:17,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 537 [2022-11-20 12:00:17,895 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:00:17,895 INFO L195 NwaCegarLoop]: trace histogram [39, 39, 39, 39, 10, 10, 10, 10, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:00:17,896 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-20 12:00:17,896 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 12:00:17,896 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:00:17,896 INFO L85 PathProgramCache]: Analyzing trace with hash -769201451, now seen corresponding path program 1 times [2022-11-20 12:00:17,897 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:00:17,897 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [845461889] [2022-11-20 12:00:17,897 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:00:17,897 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:00:18,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:19,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 12:00:19,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:19,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 12:00:19,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:19,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-20 12:00:19,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:19,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-20 12:00:19,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:19,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 12:00:19,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:19,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-20 12:00:19,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:19,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-20 12:00:19,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:19,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 12:00:19,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:19,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-20 12:00:19,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:19,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-20 12:00:19,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:19,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 12:00:19,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:19,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-20 12:00:19,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:19,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-11-20 12:00:19,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:19,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-11-20 12:00:19,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:19,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2022-11-20 12:00:19,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:19,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-11-20 12:00:19,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:19,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-11-20 12:00:19,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:19,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-20 12:00:19,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:19,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-11-20 12:00:19,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:19,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-11-20 12:00:19,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:19,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-11-20 12:00:19,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:19,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-11-20 12:00:19,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:19,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-11-20 12:00:19,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:19,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2022-11-20 12:00:19,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:19,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-11-20 12:00:19,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:19,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-11-20 12:00:19,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:19,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2022-11-20 12:00:19,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:19,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2022-11-20 12:00:19,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:19,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-11-20 12:00:19,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:19,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2022-11-20 12:00:19,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:19,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2022-11-20 12:00:19,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:19,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2022-11-20 12:00:19,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:19,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2022-11-20 12:00:19,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:19,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-11-20 12:00:19,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:19,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2022-11-20 12:00:19,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:19,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2022-11-20 12:00:19,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:19,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2022-11-20 12:00:19,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:19,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2022-11-20 12:00:19,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:19,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2022-11-20 12:00:19,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:19,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-11-20 12:00:19,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:19,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2022-11-20 12:00:19,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:19,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2022-11-20 12:00:19,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:19,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2022-11-20 12:00:19,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:19,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2022-11-20 12:00:19,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:19,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 291 [2022-11-20 12:00:19,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:19,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2022-11-20 12:00:19,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:19,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2022-11-20 12:00:19,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:19,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2022-11-20 12:00:19,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:19,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 319 [2022-11-20 12:00:19,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:19,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 326 [2022-11-20 12:00:19,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:19,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2022-11-20 12:00:19,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:19,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2022-11-20 12:00:19,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:19,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 359 [2022-11-20 12:00:19,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:19,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2022-11-20 12:00:19,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:19,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 12:00:19,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:19,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 378 [2022-11-20 12:00:19,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:19,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 12:00:19,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:19,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-20 12:00:19,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:19,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-20 12:00:19,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:19,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-20 12:00:19,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:19,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 402 [2022-11-20 12:00:19,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:19,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 12:00:19,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:19,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-20 12:00:19,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:19,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-20 12:00:19,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:19,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-20 12:00:19,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:19,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 426 [2022-11-20 12:00:19,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:19,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 435 [2022-11-20 12:00:19,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:19,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 12:00:19,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:19,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-20 12:00:19,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:19,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-20 12:00:19,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:19,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-20 12:00:19,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:19,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 461 [2022-11-20 12:00:19,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:19,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 12:00:19,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:19,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-20 12:00:19,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:19,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-20 12:00:19,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:19,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-20 12:00:19,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:19,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 485 [2022-11-20 12:00:19,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:19,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 12:00:19,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:19,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-20 12:00:19,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:19,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-20 12:00:19,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:19,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-20 12:00:19,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:19,722 INFO L134 CoverageAnalysis]: Checked inductivity of 4176 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 4173 trivial. 0 not checked. [2022-11-20 12:00:19,722 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 12:00:19,723 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [845461889] [2022-11-20 12:00:19,723 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [845461889] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 12:00:19,723 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [514984925] [2022-11-20 12:00:19,723 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:00:19,724 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 12:00:19,724 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0a537c9-8757-4130-914f-8c3cd5e955c0/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:00:19,725 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0a537c9-8757-4130-914f-8c3cd5e955c0/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 12:00:19,742 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0a537c9-8757-4130-914f-8c3cd5e955c0/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-20 12:00:22,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:22,217 INFO L263 TraceCheckSpWp]: Trace formula consists of 10101 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-20 12:00:22,233 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:00:22,307 INFO L134 CoverageAnalysis]: Checked inductivity of 4176 backedges. 212 proven. 1 refuted. 0 times theorem prover too weak. 3963 trivial. 0 not checked. [2022-11-20 12:00:22,307 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 12:00:22,720 INFO L134 CoverageAnalysis]: Checked inductivity of 4176 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 4173 trivial. 0 not checked. [2022-11-20 12:00:22,721 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [514984925] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-20 12:00:22,721 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-20 12:00:22,721 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 4, 4] total 11 [2022-11-20 12:00:22,722 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1089864691] [2022-11-20 12:00:22,722 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-20 12:00:22,723 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-11-20 12:00:22,723 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 12:00:22,724 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-20 12:00:22,724 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2022-11-20 12:00:22,724 INFO L87 Difference]: Start difference. First operand 1007 states and 1456 transitions. Second operand has 11 states, 11 states have (on average 13.818181818181818) internal successors, (152), 7 states have internal predecessors, (152), 5 states have call successors, (118), 6 states have call predecessors, (118), 2 states have return successors, (67), 5 states have call predecessors, (67), 5 states have call successors, (67) [2022-11-20 12:00:32,330 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:00:32,331 INFO L93 Difference]: Finished difference Result 2068 states and 3041 transitions. [2022-11-20 12:00:32,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-20 12:00:32,332 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 13.818181818181818) internal successors, (152), 7 states have internal predecessors, (152), 5 states have call successors, (118), 6 states have call predecessors, (118), 2 states have return successors, (67), 5 states have call predecessors, (67), 5 states have call successors, (67) Word has length 536 [2022-11-20 12:00:32,333 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:00:32,343 INFO L225 Difference]: With dead ends: 2068 [2022-11-20 12:00:32,343 INFO L226 Difference]: Without dead ends: 1165 [2022-11-20 12:00:32,350 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1238 GetRequests, 1228 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=94, Unknown=0, NotChecked=0, Total=132 [2022-11-20 12:00:32,351 INFO L413 NwaCegarLoop]: 777 mSDtfsCounter, 845 mSDsluCounter, 3320 mSDsCounter, 0 mSdLazyCounter, 3810 mSolverCounterSat, 480 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 880 SdHoareTripleChecker+Valid, 4097 SdHoareTripleChecker+Invalid, 4290 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 480 IncrementalHoareTripleChecker+Valid, 3810 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.4s IncrementalHoareTripleChecker+Time [2022-11-20 12:00:32,352 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [880 Valid, 4097 Invalid, 4290 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [480 Valid, 3810 Invalid, 0 Unknown, 0 Unchecked, 9.4s Time] [2022-11-20 12:00:32,355 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1165 states. [2022-11-20 12:00:32,424 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1165 to 1025. [2022-11-20 12:00:32,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1025 states, 739 states have (on average 1.3558863328822734) internal successors, (1002), 754 states have internal predecessors, (1002), 239 states have call successors, (239), 46 states have call predecessors, (239), 46 states have return successors, (239), 235 states have call predecessors, (239), 239 states have call successors, (239) [2022-11-20 12:00:32,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1025 states to 1025 states and 1480 transitions. [2022-11-20 12:00:32,433 INFO L78 Accepts]: Start accepts. Automaton has 1025 states and 1480 transitions. Word has length 536 [2022-11-20 12:00:32,434 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 12:00:32,434 INFO L495 AbstractCegarLoop]: Abstraction has 1025 states and 1480 transitions. [2022-11-20 12:00:32,435 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 13.818181818181818) internal successors, (152), 7 states have internal predecessors, (152), 5 states have call successors, (118), 6 states have call predecessors, (118), 2 states have return successors, (67), 5 states have call predecessors, (67), 5 states have call successors, (67) [2022-11-20 12:00:32,435 INFO L276 IsEmpty]: Start isEmpty. Operand 1025 states and 1480 transitions. [2022-11-20 12:00:32,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 615 [2022-11-20 12:00:32,442 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:00:32,442 INFO L195 NwaCegarLoop]: trace histogram [39, 39, 39, 39, 16, 16, 16, 16, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:00:32,471 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0a537c9-8757-4130-914f-8c3cd5e955c0/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-11-20 12:00:32,668 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0a537c9-8757-4130-914f-8c3cd5e955c0/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 12:00:32,669 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 12:00:32,669 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:00:32,669 INFO L85 PathProgramCache]: Analyzing trace with hash 1068994019, now seen corresponding path program 2 times [2022-11-20 12:00:32,669 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:00:32,669 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [221227067] [2022-11-20 12:00:32,670 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:00:32,670 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:00:33,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:33,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 12:00:33,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:33,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 12:00:33,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:33,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-20 12:00:33,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:33,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-20 12:00:33,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:33,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 12:00:33,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:33,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-20 12:00:33,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:33,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-20 12:00:33,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:33,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 12:00:33,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:33,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-20 12:00:33,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:33,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-20 12:00:33,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:33,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 12:00:33,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:33,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-20 12:00:33,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:33,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-11-20 12:00:33,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:33,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-11-20 12:00:33,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:33,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2022-11-20 12:00:33,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:33,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-11-20 12:00:33,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:33,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-11-20 12:00:33,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:33,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-20 12:00:33,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:33,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-11-20 12:00:33,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:33,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-11-20 12:00:33,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:33,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-11-20 12:00:33,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:33,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-11-20 12:00:33,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:33,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-11-20 12:00:33,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:33,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2022-11-20 12:00:33,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:33,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-11-20 12:00:33,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:33,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-11-20 12:00:33,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:33,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2022-11-20 12:00:33,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:33,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2022-11-20 12:00:33,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:33,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-11-20 12:00:33,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:33,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2022-11-20 12:00:33,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:33,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2022-11-20 12:00:33,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:33,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2022-11-20 12:00:33,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:33,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2022-11-20 12:00:33,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:33,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-11-20 12:00:33,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:33,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2022-11-20 12:00:33,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:33,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2022-11-20 12:00:33,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:33,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2022-11-20 12:00:33,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:33,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2022-11-20 12:00:33,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:33,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2022-11-20 12:00:33,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:33,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-11-20 12:00:33,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:33,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2022-11-20 12:00:33,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:33,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2022-11-20 12:00:33,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:33,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2022-11-20 12:00:33,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:33,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2022-11-20 12:00:33,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:33,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 291 [2022-11-20 12:00:33,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:33,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2022-11-20 12:00:33,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:33,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2022-11-20 12:00:33,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:33,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2022-11-20 12:00:33,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:33,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 319 [2022-11-20 12:00:33,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:33,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 326 [2022-11-20 12:00:33,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:33,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2022-11-20 12:00:34,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:34,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2022-11-20 12:00:34,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:34,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 359 [2022-11-20 12:00:34,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:34,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2022-11-20 12:00:34,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:34,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 12:00:34,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:34,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 378 [2022-11-20 12:00:34,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:34,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 12:00:34,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:34,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-20 12:00:34,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:34,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-20 12:00:34,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:34,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-20 12:00:34,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:34,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 402 [2022-11-20 12:00:34,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:34,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 12:00:34,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:34,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-20 12:00:34,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:34,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-20 12:00:34,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:34,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-20 12:00:34,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:34,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 426 [2022-11-20 12:00:34,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:34,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 435 [2022-11-20 12:00:34,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:34,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 12:00:34,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:34,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-20 12:00:34,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:34,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-20 12:00:34,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:34,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-20 12:00:34,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:34,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 461 [2022-11-20 12:00:34,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:34,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 12:00:34,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:34,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-20 12:00:34,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:34,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-20 12:00:34,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:34,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-20 12:00:34,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:34,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 487 [2022-11-20 12:00:34,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:34,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 12:00:34,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:34,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-20 12:00:34,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:34,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-20 12:00:34,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:34,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-20 12:00:34,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:34,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 513 [2022-11-20 12:00:34,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:34,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 12:00:34,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:34,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-20 12:00:34,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:34,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-20 12:00:34,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:34,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-20 12:00:34,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:34,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 539 [2022-11-20 12:00:34,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:34,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 12:00:34,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:34,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-20 12:00:34,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:34,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-20 12:00:34,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:34,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-20 12:00:34,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:34,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 563 [2022-11-20 12:00:34,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:34,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 12:00:34,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:34,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-20 12:00:34,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:34,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-20 12:00:34,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:34,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-20 12:00:34,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:34,268 INFO L134 CoverageAnalysis]: Checked inductivity of 4845 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4843 trivial. 0 not checked. [2022-11-20 12:00:34,269 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 12:00:34,269 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [221227067] [2022-11-20 12:00:34,269 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [221227067] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:00:34,269 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:00:34,270 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-20 12:00:34,270 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1028545967] [2022-11-20 12:00:34,270 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:00:34,271 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-20 12:00:34,271 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 12:00:34,272 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-20 12:00:34,272 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-11-20 12:00:34,272 INFO L87 Difference]: Start difference. First operand 1025 states and 1480 transitions. Second operand has 7 states, 7 states have (on average 18.428571428571427) internal successors, (129), 3 states have internal predecessors, (129), 3 states have call successors, (62), 6 states have call predecessors, (62), 1 states have return successors, (59), 2 states have call predecessors, (59), 2 states have call successors, (59) [2022-11-20 12:00:40,643 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:00:40,644 INFO L93 Difference]: Finished difference Result 1990 states and 2918 transitions. [2022-11-20 12:00:40,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-20 12:00:40,645 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 18.428571428571427) internal successors, (129), 3 states have internal predecessors, (129), 3 states have call successors, (62), 6 states have call predecessors, (62), 1 states have return successors, (59), 2 states have call predecessors, (59), 2 states have call successors, (59) Word has length 614 [2022-11-20 12:00:40,646 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:00:40,654 INFO L225 Difference]: With dead ends: 1990 [2022-11-20 12:00:40,654 INFO L226 Difference]: Without dead ends: 1051 [2022-11-20 12:00:40,659 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 203 GetRequests, 194 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2022-11-20 12:00:40,660 INFO L413 NwaCegarLoop]: 757 mSDtfsCounter, 2613 mSDsluCounter, 879 mSDsCounter, 0 mSdLazyCounter, 1244 mSolverCounterSat, 1161 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2731 SdHoareTripleChecker+Valid, 1636 SdHoareTripleChecker+Invalid, 2405 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1161 IncrementalHoareTripleChecker+Valid, 1244 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.1s IncrementalHoareTripleChecker+Time [2022-11-20 12:00:40,660 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2731 Valid, 1636 Invalid, 2405 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1161 Valid, 1244 Invalid, 0 Unknown, 0 Unchecked, 6.1s Time] [2022-11-20 12:00:40,663 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1051 states. [2022-11-20 12:00:40,745 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1051 to 915. [2022-11-20 12:00:40,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 915 states, 664 states have (on average 1.3614457831325302) internal successors, (904), 677 states have internal predecessors, (904), 207 states have call successors, (207), 43 states have call predecessors, (207), 43 states have return successors, (207), 203 states have call predecessors, (207), 207 states have call successors, (207) [2022-11-20 12:00:40,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 915 states to 915 states and 1318 transitions. [2022-11-20 12:00:40,752 INFO L78 Accepts]: Start accepts. Automaton has 915 states and 1318 transitions. Word has length 614 [2022-11-20 12:00:40,753 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 12:00:40,754 INFO L495 AbstractCegarLoop]: Abstraction has 915 states and 1318 transitions. [2022-11-20 12:00:40,754 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 18.428571428571427) internal successors, (129), 3 states have internal predecessors, (129), 3 states have call successors, (62), 6 states have call predecessors, (62), 1 states have return successors, (59), 2 states have call predecessors, (59), 2 states have call successors, (59) [2022-11-20 12:00:40,754 INFO L276 IsEmpty]: Start isEmpty. Operand 915 states and 1318 transitions. [2022-11-20 12:00:40,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 617 [2022-11-20 12:00:40,760 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:00:40,761 INFO L195 NwaCegarLoop]: trace histogram [39, 39, 39, 39, 16, 16, 16, 16, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:00:40,761 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-20 12:00:40,761 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 12:00:40,762 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:00:40,762 INFO L85 PathProgramCache]: Analyzing trace with hash -1181037090, now seen corresponding path program 1 times [2022-11-20 12:00:40,762 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:00:40,762 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1165058232] [2022-11-20 12:00:40,762 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:00:40,763 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:00:41,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:42,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 12:00:42,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:42,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 12:00:42,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:42,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-20 12:00:42,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:42,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-20 12:00:42,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:42,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 12:00:42,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:42,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-20 12:00:42,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:42,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-20 12:00:42,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:42,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 12:00:42,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:42,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-20 12:00:42,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:42,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-20 12:00:42,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:42,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 12:00:42,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:42,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-20 12:00:42,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:42,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-11-20 12:00:42,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:42,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-11-20 12:00:42,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:42,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2022-11-20 12:00:42,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:42,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-11-20 12:00:42,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:42,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-11-20 12:00:42,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:42,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-20 12:00:42,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:42,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-11-20 12:00:42,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:42,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-11-20 12:00:42,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:42,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-11-20 12:00:42,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:42,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-11-20 12:00:42,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:42,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-11-20 12:00:42,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:42,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2022-11-20 12:00:42,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:42,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-11-20 12:00:42,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:42,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-11-20 12:00:42,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:42,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2022-11-20 12:00:42,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:42,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2022-11-20 12:00:42,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:42,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-11-20 12:00:42,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:42,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2022-11-20 12:00:42,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:42,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2022-11-20 12:00:42,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:42,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2022-11-20 12:00:42,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:42,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2022-11-20 12:00:42,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:42,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-11-20 12:00:42,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:42,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2022-11-20 12:00:42,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:42,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2022-11-20 12:00:42,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:42,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2022-11-20 12:00:42,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:42,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2022-11-20 12:00:42,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:42,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2022-11-20 12:00:42,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:42,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-11-20 12:00:42,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:43,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2022-11-20 12:00:43,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:43,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2022-11-20 12:00:43,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:43,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2022-11-20 12:00:43,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:43,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2022-11-20 12:00:43,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:43,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 291 [2022-11-20 12:00:43,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:43,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2022-11-20 12:00:43,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:43,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2022-11-20 12:00:43,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:43,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2022-11-20 12:00:43,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:43,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 319 [2022-11-20 12:00:43,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:43,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 326 [2022-11-20 12:00:43,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:43,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2022-11-20 12:00:43,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:43,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2022-11-20 12:00:43,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:43,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 359 [2022-11-20 12:00:43,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:43,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2022-11-20 12:00:43,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:43,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 12:00:43,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:43,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 378 [2022-11-20 12:00:43,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:43,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 12:00:43,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:43,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-20 12:00:43,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:43,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-20 12:00:43,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:43,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-20 12:00:43,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:43,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 402 [2022-11-20 12:00:43,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:43,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 12:00:43,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:43,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-20 12:00:43,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:43,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-20 12:00:43,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:43,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-20 12:00:43,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:43,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 426 [2022-11-20 12:00:43,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:43,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 435 [2022-11-20 12:00:43,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:43,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 12:00:43,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:43,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-20 12:00:43,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:43,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-20 12:00:43,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:43,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-20 12:00:43,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:43,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 461 [2022-11-20 12:00:43,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:43,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 12:00:43,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:43,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-20 12:00:43,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:43,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-20 12:00:43,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:43,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-20 12:00:43,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:43,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 487 [2022-11-20 12:00:43,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:43,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 12:00:43,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:43,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-20 12:00:43,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:43,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-20 12:00:43,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:43,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-20 12:00:43,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:43,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 513 [2022-11-20 12:00:43,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:43,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 12:00:43,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:43,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-20 12:00:43,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:43,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-20 12:00:43,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:43,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-20 12:00:43,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:43,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 539 [2022-11-20 12:00:43,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:43,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 12:00:43,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:43,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-20 12:00:43,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:43,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-20 12:00:43,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:43,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-20 12:00:43,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:43,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 563 [2022-11-20 12:00:43,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:43,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 12:00:43,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:43,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-20 12:00:43,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:43,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-20 12:00:43,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:43,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-20 12:00:43,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:43,267 INFO L134 CoverageAnalysis]: Checked inductivity of 4845 backedges. 2 proven. 22 refuted. 0 times theorem prover too weak. 4821 trivial. 0 not checked. [2022-11-20 12:00:43,267 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 12:00:43,267 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1165058232] [2022-11-20 12:00:43,268 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1165058232] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 12:00:43,268 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1539069960] [2022-11-20 12:00:43,268 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:00:43,268 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 12:00:43,269 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0a537c9-8757-4130-914f-8c3cd5e955c0/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:00:43,270 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0a537c9-8757-4130-914f-8c3cd5e955c0/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 12:00:43,286 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0a537c9-8757-4130-914f-8c3cd5e955c0/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-20 12:00:45,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:45,943 INFO L263 TraceCheckSpWp]: Trace formula consists of 10303 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-20 12:00:45,962 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:00:46,033 INFO L134 CoverageAnalysis]: Checked inductivity of 4845 backedges. 422 proven. 22 refuted. 0 times theorem prover too weak. 4401 trivial. 0 not checked. [2022-11-20 12:00:46,033 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 12:00:46,578 INFO L134 CoverageAnalysis]: Checked inductivity of 4845 backedges. 2 proven. 22 refuted. 0 times theorem prover too weak. 4821 trivial. 0 not checked. [2022-11-20 12:00:46,579 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1539069960] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-20 12:00:46,579 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-20 12:00:46,579 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 7, 7] total 16 [2022-11-20 12:00:46,580 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [859463979] [2022-11-20 12:00:46,580 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-20 12:00:46,581 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-11-20 12:00:46,582 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 12:00:46,582 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-11-20 12:00:46,583 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=163, Unknown=0, NotChecked=0, Total=240 [2022-11-20 12:00:46,583 INFO L87 Difference]: Start difference. First operand 915 states and 1318 transitions. Second operand has 16 states, 16 states have (on average 10.375) internal successors, (166), 12 states have internal predecessors, (166), 11 states have call successors, (124), 6 states have call predecessors, (124), 2 states have return successors, (73), 11 states have call predecessors, (73), 11 states have call successors, (73) [2022-11-20 12:00:54,130 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:00:54,130 INFO L93 Difference]: Finished difference Result 1781 states and 2622 transitions. [2022-11-20 12:00:54,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-11-20 12:00:54,131 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 10.375) internal successors, (166), 12 states have internal predecessors, (166), 11 states have call successors, (124), 6 states have call predecessors, (124), 2 states have return successors, (73), 11 states have call predecessors, (73), 11 states have call successors, (73) Word has length 616 [2022-11-20 12:00:54,132 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:00:54,140 INFO L225 Difference]: With dead ends: 1781 [2022-11-20 12:00:54,140 INFO L226 Difference]: Without dead ends: 1066 [2022-11-20 12:00:54,144 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1431 GetRequests, 1415 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=83, Invalid=189, Unknown=0, NotChecked=0, Total=272 [2022-11-20 12:00:54,145 INFO L413 NwaCegarLoop]: 781 mSDtfsCounter, 850 mSDsluCounter, 2048 mSDsCounter, 0 mSdLazyCounter, 2559 mSolverCounterSat, 494 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 884 SdHoareTripleChecker+Valid, 2829 SdHoareTripleChecker+Invalid, 3053 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 494 IncrementalHoareTripleChecker+Valid, 2559 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.3s IncrementalHoareTripleChecker+Time [2022-11-20 12:00:54,145 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [884 Valid, 2829 Invalid, 3053 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [494 Valid, 2559 Invalid, 0 Unknown, 0 Unchecked, 7.3s Time] [2022-11-20 12:00:54,148 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1066 states. [2022-11-20 12:00:54,232 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1066 to 930. [2022-11-20 12:00:54,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 930 states, 674 states have (on average 1.3560830860534125) internal successors, (914), 687 states have internal predecessors, (914), 212 states have call successors, (212), 43 states have call predecessors, (212), 43 states have return successors, (212), 208 states have call predecessors, (212), 212 states have call successors, (212) [2022-11-20 12:00:54,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 930 states to 930 states and 1338 transitions. [2022-11-20 12:00:54,239 INFO L78 Accepts]: Start accepts. Automaton has 930 states and 1338 transitions. Word has length 616 [2022-11-20 12:00:54,240 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 12:00:54,240 INFO L495 AbstractCegarLoop]: Abstraction has 930 states and 1338 transitions. [2022-11-20 12:00:54,241 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 10.375) internal successors, (166), 12 states have internal predecessors, (166), 11 states have call successors, (124), 6 states have call predecessors, (124), 2 states have return successors, (73), 11 states have call predecessors, (73), 11 states have call successors, (73) [2022-11-20 12:00:54,241 INFO L276 IsEmpty]: Start isEmpty. Operand 930 states and 1338 transitions. [2022-11-20 12:00:54,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 747 [2022-11-20 12:00:54,249 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:00:54,249 INFO L195 NwaCegarLoop]: trace histogram [39, 39, 39, 39, 26, 26, 26, 26, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 9, 9, 9, 9, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:00:54,281 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0a537c9-8757-4130-914f-8c3cd5e955c0/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-20 12:00:54,474 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0a537c9-8757-4130-914f-8c3cd5e955c0/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 12:00:54,475 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 12:00:54,475 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:00:54,475 INFO L85 PathProgramCache]: Analyzing trace with hash -623068384, now seen corresponding path program 2 times [2022-11-20 12:00:54,476 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:00:54,476 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1870393840] [2022-11-20 12:00:54,476 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:00:54,476 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:00:55,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:59,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 12:00:59,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:59,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 12:00:59,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:59,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-20 12:00:59,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:59,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-20 12:00:59,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:59,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 12:00:59,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:59,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-20 12:00:59,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:59,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-20 12:00:59,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:59,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 12:00:59,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:59,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-20 12:00:59,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:59,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-20 12:00:59,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:59,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 12:00:59,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:59,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-20 12:00:59,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:59,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-11-20 12:00:59,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:59,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-11-20 12:00:59,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:59,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2022-11-20 12:00:59,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:59,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-11-20 12:00:59,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:59,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-11-20 12:00:59,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:59,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-20 12:00:59,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:59,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-11-20 12:00:59,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:59,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-11-20 12:00:59,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:59,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-11-20 12:00:59,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:59,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-11-20 12:00:59,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:59,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-11-20 12:00:59,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:59,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2022-11-20 12:00:59,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:59,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-11-20 12:00:59,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:59,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-11-20 12:00:59,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:59,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2022-11-20 12:00:59,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:59,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2022-11-20 12:00:59,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:59,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-11-20 12:00:59,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:59,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2022-11-20 12:00:59,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:59,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2022-11-20 12:00:59,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:59,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2022-11-20 12:00:59,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:59,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2022-11-20 12:00:59,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:59,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-11-20 12:00:59,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:59,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2022-11-20 12:00:59,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:59,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2022-11-20 12:00:59,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:59,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2022-11-20 12:00:59,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:59,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2022-11-20 12:00:59,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:59,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2022-11-20 12:00:59,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:59,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-11-20 12:00:59,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:59,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2022-11-20 12:00:59,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:59,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2022-11-20 12:00:59,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:59,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2022-11-20 12:00:59,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:59,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2022-11-20 12:00:59,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:59,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 291 [2022-11-20 12:00:59,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:59,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2022-11-20 12:00:59,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:59,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2022-11-20 12:00:59,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:59,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2022-11-20 12:00:59,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:59,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 319 [2022-11-20 12:00:59,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:59,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 326 [2022-11-20 12:00:59,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:59,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2022-11-20 12:00:59,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:59,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2022-11-20 12:00:59,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:59,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 359 [2022-11-20 12:00:59,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:59,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2022-11-20 12:00:59,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:59,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 12:00:59,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:59,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 378 [2022-11-20 12:00:59,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:59,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 12:00:59,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:59,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-20 12:00:59,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:59,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-20 12:00:59,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:59,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-20 12:00:59,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:59,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 402 [2022-11-20 12:00:59,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:59,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 12:00:59,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:59,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-20 12:00:59,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:59,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-20 12:00:59,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:59,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-20 12:00:59,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:59,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 426 [2022-11-20 12:00:59,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:59,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 435 [2022-11-20 12:00:59,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:59,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 12:00:59,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:59,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-20 12:00:59,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:59,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-20 12:00:59,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:59,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-20 12:00:59,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:59,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 461 [2022-11-20 12:00:59,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:59,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 12:00:59,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:59,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-20 12:00:59,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:59,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-20 12:00:59,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:59,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-20 12:00:59,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:59,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 487 [2022-11-20 12:00:59,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:59,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 12:00:59,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:59,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-20 12:00:59,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:59,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-20 12:00:59,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:59,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-20 12:00:59,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:59,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 513 [2022-11-20 12:00:59,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:59,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 12:00:59,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:59,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-20 12:00:59,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:59,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-20 12:00:59,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:59,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-20 12:00:59,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:59,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 539 [2022-11-20 12:00:59,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:59,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 12:00:59,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:59,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-20 12:00:59,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:59,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-20 12:00:59,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:59,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-20 12:00:59,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:59,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 565 [2022-11-20 12:00:59,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:59,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 12:00:59,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:59,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-20 12:00:59,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:59,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-20 12:00:59,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:59,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-20 12:00:59,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:59,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 591 [2022-11-20 12:00:59,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:59,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 12:00:59,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:59,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-20 12:00:59,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:59,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-20 12:00:59,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:59,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-20 12:00:59,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:59,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 617 [2022-11-20 12:00:59,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:59,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 12:00:59,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:59,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-20 12:00:59,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:59,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-20 12:00:59,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:59,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-20 12:00:59,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:59,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 643 [2022-11-20 12:00:59,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:59,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 12:00:59,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:59,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-20 12:00:59,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:59,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-20 12:00:59,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:59,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-20 12:00:59,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:59,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 669 [2022-11-20 12:00:59,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:59,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 12:00:59,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:59,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-20 12:00:59,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:59,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-20 12:00:59,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:59,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-20 12:00:59,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:59,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 693 [2022-11-20 12:00:59,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:59,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 12:00:59,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:59,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-20 12:00:59,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:59,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-20 12:00:59,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:59,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-20 12:00:59,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:00:59,612 INFO L134 CoverageAnalysis]: Checked inductivity of 6720 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 6716 trivial. 0 not checked. [2022-11-20 12:00:59,612 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 12:00:59,612 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1870393840] [2022-11-20 12:00:59,612 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1870393840] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 12:00:59,613 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [289952595] [2022-11-20 12:00:59,613 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-20 12:00:59,613 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 12:00:59,613 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0a537c9-8757-4130-914f-8c3cd5e955c0/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:00:59,614 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0a537c9-8757-4130-914f-8c3cd5e955c0/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 12:00:59,639 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0a537c9-8757-4130-914f-8c3cd5e955c0/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-20 12:01:02,571 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-11-20 12:01:02,571 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-20 12:01:02,612 INFO L263 TraceCheckSpWp]: Trace formula consists of 7333 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-20 12:01:02,630 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:01:02,755 INFO L134 CoverageAnalysis]: Checked inductivity of 6720 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6720 trivial. 0 not checked. [2022-11-20 12:01:02,755 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 12:01:02,755 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [289952595] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:01:02,755 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-20 12:01:02,756 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [12] total 16 [2022-11-20 12:01:02,756 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [36466229] [2022-11-20 12:01:02,756 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:01:02,757 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-20 12:01:02,757 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 12:01:02,758 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-20 12:01:02,758 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=208, Unknown=0, NotChecked=0, Total=240 [2022-11-20 12:01:02,759 INFO L87 Difference]: Start difference. First operand 930 states and 1338 transitions. Second operand has 6 states, 5 states have (on average 26.0) internal successors, (130), 4 states have internal predecessors, (130), 2 states have call successors, (62), 3 states have call predecessors, (62), 1 states have return successors, (59), 1 states have call predecessors, (59), 1 states have call successors, (59) [2022-11-20 12:01:02,935 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:01:02,935 INFO L93 Difference]: Finished difference Result 956 states and 1370 transitions. [2022-11-20 12:01:02,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-20 12:01:02,936 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 26.0) internal successors, (130), 4 states have internal predecessors, (130), 2 states have call successors, (62), 3 states have call predecessors, (62), 1 states have return successors, (59), 1 states have call predecessors, (59), 1 states have call successors, (59) Word has length 746 [2022-11-20 12:01:02,938 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:01:02,943 INFO L225 Difference]: With dead ends: 956 [2022-11-20 12:01:02,944 INFO L226 Difference]: Without dead ends: 954 [2022-11-20 12:01:02,945 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 998 GetRequests, 982 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=40, Invalid=266, Unknown=0, NotChecked=0, Total=306 [2022-11-20 12:01:02,945 INFO L413 NwaCegarLoop]: 1242 mSDtfsCounter, 34 mSDsluCounter, 4951 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 6193 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 12:01:02,946 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [34 Valid, 6193 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 12:01:02,948 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 954 states. [2022-11-20 12:01:03,026 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 954 to 954. [2022-11-20 12:01:03,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 954 states, 690 states have (on average 1.3507246376811595) internal successors, (932), 703 states have internal predecessors, (932), 218 states have call successors, (218), 45 states have call predecessors, (218), 45 states have return successors, (218), 214 states have call predecessors, (218), 218 states have call successors, (218) [2022-11-20 12:01:03,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 954 states to 954 states and 1368 transitions. [2022-11-20 12:01:03,033 INFO L78 Accepts]: Start accepts. Automaton has 954 states and 1368 transitions. Word has length 746 [2022-11-20 12:01:03,034 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 12:01:03,035 INFO L495 AbstractCegarLoop]: Abstraction has 954 states and 1368 transitions. [2022-11-20 12:01:03,035 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 26.0) internal successors, (130), 4 states have internal predecessors, (130), 2 states have call successors, (62), 3 states have call predecessors, (62), 1 states have return successors, (59), 1 states have call predecessors, (59), 1 states have call successors, (59) [2022-11-20 12:01:03,035 INFO L276 IsEmpty]: Start isEmpty. Operand 954 states and 1368 transitions. [2022-11-20 12:01:03,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 753 [2022-11-20 12:01:03,043 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:01:03,044 INFO L195 NwaCegarLoop]: trace histogram [39, 39, 39, 39, 26, 26, 26, 26, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 9, 9, 9, 9, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:01:03,072 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0a537c9-8757-4130-914f-8c3cd5e955c0/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-11-20 12:01:03,258 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0a537c9-8757-4130-914f-8c3cd5e955c0/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2022-11-20 12:01:03,259 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 12:01:03,259 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:01:03,259 INFO L85 PathProgramCache]: Analyzing trace with hash -1938872315, now seen corresponding path program 1 times [2022-11-20 12:01:03,259 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:01:03,260 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1854500082] [2022-11-20 12:01:03,260 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:01:03,260 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:01:03,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:04,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 12:01:04,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:04,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 12:01:04,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:04,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-20 12:01:04,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:04,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-20 12:01:04,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:04,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 12:01:04,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:04,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-20 12:01:04,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:04,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-20 12:01:04,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:04,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 12:01:04,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:04,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-20 12:01:04,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:04,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-20 12:01:04,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:04,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 12:01:04,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:04,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-20 12:01:04,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:04,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-11-20 12:01:04,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:04,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-11-20 12:01:04,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:04,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2022-11-20 12:01:04,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:04,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-11-20 12:01:04,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:04,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-11-20 12:01:04,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:04,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-20 12:01:04,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:04,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-11-20 12:01:04,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:04,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-11-20 12:01:04,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:04,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-11-20 12:01:04,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:04,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-11-20 12:01:04,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:04,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-11-20 12:01:04,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:04,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2022-11-20 12:01:04,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:04,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-11-20 12:01:04,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:04,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-11-20 12:01:04,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:04,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2022-11-20 12:01:04,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:04,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2022-11-20 12:01:04,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:04,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-11-20 12:01:04,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:04,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2022-11-20 12:01:04,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:04,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2022-11-20 12:01:04,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:04,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2022-11-20 12:01:04,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:04,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2022-11-20 12:01:04,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:04,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-11-20 12:01:04,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:04,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2022-11-20 12:01:04,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:04,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2022-11-20 12:01:04,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:04,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2022-11-20 12:01:04,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:04,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2022-11-20 12:01:04,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:04,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2022-11-20 12:01:04,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:04,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-11-20 12:01:04,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:04,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2022-11-20 12:01:04,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:04,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2022-11-20 12:01:04,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:04,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2022-11-20 12:01:04,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:04,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2022-11-20 12:01:04,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:04,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 291 [2022-11-20 12:01:04,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:04,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2022-11-20 12:01:04,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:04,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2022-11-20 12:01:04,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:04,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2022-11-20 12:01:04,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:04,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 319 [2022-11-20 12:01:04,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:04,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 326 [2022-11-20 12:01:04,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:04,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2022-11-20 12:01:04,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:04,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2022-11-20 12:01:04,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:04,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 359 [2022-11-20 12:01:04,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:04,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2022-11-20 12:01:04,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:04,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 12:01:04,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:04,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 378 [2022-11-20 12:01:04,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:04,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 12:01:04,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:04,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-20 12:01:04,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:04,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-20 12:01:04,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:04,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-20 12:01:04,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:04,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 402 [2022-11-20 12:01:04,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:04,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 12:01:04,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:04,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-20 12:01:04,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:04,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-20 12:01:04,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:04,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-20 12:01:04,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:04,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 426 [2022-11-20 12:01:04,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:04,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 435 [2022-11-20 12:01:04,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:04,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 12:01:04,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:04,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-20 12:01:04,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:04,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-20 12:01:04,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:04,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-20 12:01:04,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:04,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 461 [2022-11-20 12:01:04,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:04,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 12:01:04,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:04,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-20 12:01:04,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:04,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-20 12:01:04,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:04,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-20 12:01:04,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:04,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 487 [2022-11-20 12:01:04,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:04,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 12:01:04,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:04,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-20 12:01:04,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:04,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-20 12:01:04,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:04,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-20 12:01:04,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:04,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 513 [2022-11-20 12:01:04,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:04,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 12:01:04,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:04,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-20 12:01:04,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:04,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-20 12:01:04,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:04,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-20 12:01:04,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:04,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 539 [2022-11-20 12:01:04,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:04,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 12:01:04,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:04,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-20 12:01:04,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:04,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-20 12:01:04,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:04,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-20 12:01:04,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:04,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 565 [2022-11-20 12:01:04,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:04,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 12:01:04,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:04,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-20 12:01:04,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:04,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-20 12:01:04,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:04,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-20 12:01:04,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:04,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 591 [2022-11-20 12:01:04,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:04,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 12:01:04,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:04,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-20 12:01:04,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:04,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-20 12:01:04,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:04,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-20 12:01:04,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:04,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 617 [2022-11-20 12:01:04,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:04,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 12:01:04,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:04,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-20 12:01:04,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:04,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-20 12:01:04,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:04,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-20 12:01:04,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:04,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 643 [2022-11-20 12:01:04,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:04,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 12:01:04,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:04,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-20 12:01:04,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:04,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-20 12:01:04,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:04,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-20 12:01:04,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:04,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 669 [2022-11-20 12:01:04,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:04,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 12:01:04,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:04,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-20 12:01:04,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:04,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-20 12:01:04,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:04,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-20 12:01:04,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:04,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 693 [2022-11-20 12:01:04,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:04,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 12:01:04,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:04,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-20 12:01:04,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:04,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-20 12:01:04,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:04,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-20 12:01:04,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:04,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 744 [2022-11-20 12:01:04,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:04,762 INFO L134 CoverageAnalysis]: Checked inductivity of 6720 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 6718 trivial. 0 not checked. [2022-11-20 12:01:04,763 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 12:01:04,763 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1854500082] [2022-11-20 12:01:04,763 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1854500082] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:01:04,763 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:01:04,764 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-20 12:01:04,764 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [235808995] [2022-11-20 12:01:04,764 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:01:04,765 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-20 12:01:04,765 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 12:01:04,766 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-20 12:01:04,766 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-11-20 12:01:04,766 INFO L87 Difference]: Start difference. First operand 954 states and 1368 transitions. Second operand has 7 states, 7 states have (on average 19.428571428571427) internal successors, (136), 3 states have internal predecessors, (136), 2 states have call successors, (62), 6 states have call predecessors, (62), 1 states have return successors, (60), 2 states have call predecessors, (60), 2 states have call successors, (60) [2022-11-20 12:01:11,612 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:01:11,612 INFO L93 Difference]: Finished difference Result 2475 states and 3610 transitions. [2022-11-20 12:01:11,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-20 12:01:11,613 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 19.428571428571427) internal successors, (136), 3 states have internal predecessors, (136), 2 states have call successors, (62), 6 states have call predecessors, (62), 1 states have return successors, (60), 2 states have call predecessors, (60), 2 states have call successors, (60) Word has length 752 [2022-11-20 12:01:11,615 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:01:11,626 INFO L225 Difference]: With dead ends: 2475 [2022-11-20 12:01:11,626 INFO L226 Difference]: Without dead ends: 1811 [2022-11-20 12:01:11,631 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 253 GetRequests, 244 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2022-11-20 12:01:11,631 INFO L413 NwaCegarLoop]: 812 mSDtfsCounter, 3274 mSDsluCounter, 1253 mSDsCounter, 0 mSdLazyCounter, 2173 mSolverCounterSat, 1412 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3380 SdHoareTripleChecker+Valid, 2065 SdHoareTripleChecker+Invalid, 3585 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1412 IncrementalHoareTripleChecker+Valid, 2173 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.5s IncrementalHoareTripleChecker+Time [2022-11-20 12:01:11,632 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3380 Valid, 2065 Invalid, 3585 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1412 Valid, 2173 Invalid, 0 Unknown, 0 Unchecked, 6.5s Time] [2022-11-20 12:01:11,635 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1811 states. [2022-11-20 12:01:11,776 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1811 to 1549. [2022-11-20 12:01:11,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1549 states, 1156 states have (on average 1.3633217993079585) internal successors, (1576), 1178 states have internal predecessors, (1576), 316 states have call successors, (316), 76 states have call predecessors, (316), 76 states have return successors, (316), 308 states have call predecessors, (316), 316 states have call successors, (316) [2022-11-20 12:01:11,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1549 states to 1549 states and 2208 transitions. [2022-11-20 12:01:11,786 INFO L78 Accepts]: Start accepts. Automaton has 1549 states and 2208 transitions. Word has length 752 [2022-11-20 12:01:11,788 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 12:01:11,788 INFO L495 AbstractCegarLoop]: Abstraction has 1549 states and 2208 transitions. [2022-11-20 12:01:11,788 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 19.428571428571427) internal successors, (136), 3 states have internal predecessors, (136), 2 states have call successors, (62), 6 states have call predecessors, (62), 1 states have return successors, (60), 2 states have call predecessors, (60), 2 states have call successors, (60) [2022-11-20 12:01:11,788 INFO L276 IsEmpty]: Start isEmpty. Operand 1549 states and 2208 transitions. [2022-11-20 12:01:11,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 752 [2022-11-20 12:01:11,796 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:01:11,797 INFO L195 NwaCegarLoop]: trace histogram [39, 39, 39, 39, 26, 26, 26, 26, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 9, 9, 9, 9, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:01:11,797 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-11-20 12:01:11,797 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 12:01:11,798 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:01:11,798 INFO L85 PathProgramCache]: Analyzing trace with hash -1503135545, now seen corresponding path program 1 times [2022-11-20 12:01:11,798 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:01:11,798 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2089476830] [2022-11-20 12:01:11,798 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:01:11,799 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:01:12,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:13,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 12:01:13,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:13,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 12:01:13,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:13,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-20 12:01:13,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:13,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-20 12:01:13,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:13,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 12:01:13,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:13,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-20 12:01:13,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:13,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-20 12:01:13,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:13,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 12:01:13,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:13,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-20 12:01:13,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:13,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-20 12:01:13,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:13,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 12:01:13,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:13,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-20 12:01:13,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:13,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-11-20 12:01:13,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:13,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-11-20 12:01:13,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:13,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2022-11-20 12:01:13,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:13,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-11-20 12:01:13,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:13,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-11-20 12:01:13,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:13,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-20 12:01:13,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:13,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-11-20 12:01:13,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:13,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-11-20 12:01:13,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:13,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-11-20 12:01:13,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:13,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-11-20 12:01:13,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:13,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-11-20 12:01:13,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:13,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2022-11-20 12:01:13,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:13,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-11-20 12:01:13,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:13,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-11-20 12:01:13,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:13,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2022-11-20 12:01:13,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:13,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2022-11-20 12:01:13,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:13,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-11-20 12:01:13,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:13,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2022-11-20 12:01:13,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:13,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2022-11-20 12:01:13,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:13,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2022-11-20 12:01:13,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:13,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2022-11-20 12:01:13,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:13,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-11-20 12:01:13,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:13,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2022-11-20 12:01:13,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:13,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2022-11-20 12:01:13,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:13,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2022-11-20 12:01:13,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:13,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2022-11-20 12:01:13,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:13,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2022-11-20 12:01:13,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:13,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-11-20 12:01:13,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:13,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2022-11-20 12:01:13,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:13,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2022-11-20 12:01:13,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:13,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2022-11-20 12:01:13,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:13,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2022-11-20 12:01:13,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:13,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 291 [2022-11-20 12:01:13,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:13,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2022-11-20 12:01:13,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:13,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2022-11-20 12:01:13,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:13,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2022-11-20 12:01:13,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:13,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 319 [2022-11-20 12:01:13,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:13,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 326 [2022-11-20 12:01:13,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:13,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2022-11-20 12:01:13,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:13,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2022-11-20 12:01:13,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:13,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 359 [2022-11-20 12:01:13,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:13,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2022-11-20 12:01:13,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:13,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 12:01:13,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:13,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 378 [2022-11-20 12:01:13,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:13,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 12:01:13,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:13,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-20 12:01:13,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:13,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-20 12:01:13,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:13,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-20 12:01:13,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:13,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 402 [2022-11-20 12:01:13,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:13,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 12:01:13,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:13,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-20 12:01:13,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:13,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-20 12:01:13,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:13,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-20 12:01:13,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:13,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 426 [2022-11-20 12:01:13,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:13,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 435 [2022-11-20 12:01:13,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:13,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 12:01:13,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:13,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-20 12:01:13,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:13,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-20 12:01:13,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:13,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-20 12:01:13,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:13,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 461 [2022-11-20 12:01:13,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:13,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 12:01:13,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:13,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-20 12:01:13,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:13,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-20 12:01:13,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:13,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-20 12:01:13,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:13,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 487 [2022-11-20 12:01:13,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:13,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 12:01:13,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:13,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-20 12:01:13,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:13,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-20 12:01:13,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:13,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-20 12:01:13,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:13,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 513 [2022-11-20 12:01:13,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:13,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 12:01:13,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:13,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-20 12:01:13,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:13,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-20 12:01:13,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:13,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-20 12:01:13,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:13,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 539 [2022-11-20 12:01:13,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:13,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 12:01:13,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:13,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-20 12:01:13,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:13,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-20 12:01:13,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:13,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-20 12:01:13,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:13,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 565 [2022-11-20 12:01:13,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:13,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 12:01:13,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:13,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-20 12:01:13,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:13,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-20 12:01:13,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:13,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-20 12:01:13,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:13,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 591 [2022-11-20 12:01:13,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:13,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 12:01:13,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:13,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-20 12:01:13,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:13,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-20 12:01:13,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:13,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-20 12:01:13,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:13,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 617 [2022-11-20 12:01:13,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:13,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 12:01:13,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:13,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-20 12:01:13,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:13,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-20 12:01:13,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:13,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-20 12:01:13,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:13,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 643 [2022-11-20 12:01:13,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:13,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 12:01:13,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:13,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-20 12:01:13,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:13,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-20 12:01:13,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:13,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-20 12:01:13,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:13,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 669 [2022-11-20 12:01:13,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:13,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 12:01:13,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:13,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-20 12:01:13,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:13,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-20 12:01:13,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:13,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-20 12:01:13,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:13,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 693 [2022-11-20 12:01:13,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:13,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 12:01:13,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:13,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-20 12:01:13,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:13,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-20 12:01:13,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:13,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-20 12:01:13,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:13,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 743 [2022-11-20 12:01:13,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:13,759 INFO L134 CoverageAnalysis]: Checked inductivity of 6720 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6720 trivial. 0 not checked. [2022-11-20 12:01:13,760 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 12:01:13,760 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2089476830] [2022-11-20 12:01:13,760 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2089476830] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:01:13,760 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:01:13,761 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-20 12:01:13,764 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [722002993] [2022-11-20 12:01:13,764 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:01:13,765 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-20 12:01:13,765 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 12:01:13,766 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-20 12:01:13,766 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2022-11-20 12:01:13,766 INFO L87 Difference]: Start difference. First operand 1549 states and 2208 transitions. Second operand has 8 states, 8 states have (on average 16.75) internal successors, (134), 3 states have internal predecessors, (134), 1 states have call successors, (62), 6 states have call predecessors, (62), 1 states have return successors, (60), 1 states have call predecessors, (60), 1 states have call successors, (60) [2022-11-20 12:01:20,609 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:01:20,609 INFO L93 Difference]: Finished difference Result 1819 states and 2616 transitions. [2022-11-20 12:01:20,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-20 12:01:20,610 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 16.75) internal successors, (134), 3 states have internal predecessors, (134), 1 states have call successors, (62), 6 states have call predecessors, (62), 1 states have return successors, (60), 1 states have call predecessors, (60), 1 states have call successors, (60) Word has length 751 [2022-11-20 12:01:20,611 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:01:20,621 INFO L225 Difference]: With dead ends: 1819 [2022-11-20 12:01:20,622 INFO L226 Difference]: Without dead ends: 1817 [2022-11-20 12:01:20,623 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 253 GetRequests, 243 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=49, Invalid=83, Unknown=0, NotChecked=0, Total=132 [2022-11-20 12:01:20,624 INFO L413 NwaCegarLoop]: 772 mSDtfsCounter, 1162 mSDsluCounter, 2352 mSDsCounter, 0 mSdLazyCounter, 2692 mSolverCounterSat, 744 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1195 SdHoareTripleChecker+Valid, 3124 SdHoareTripleChecker+Invalid, 3436 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 744 IncrementalHoareTripleChecker+Valid, 2692 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.5s IncrementalHoareTripleChecker+Time [2022-11-20 12:01:20,624 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1195 Valid, 3124 Invalid, 3436 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [744 Valid, 2692 Invalid, 0 Unknown, 0 Unchecked, 6.5s Time] [2022-11-20 12:01:20,627 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1817 states. [2022-11-20 12:01:20,762 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1817 to 1557. [2022-11-20 12:01:20,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1557 states, 1162 states have (on average 1.3614457831325302) internal successors, (1582), 1184 states have internal predecessors, (1582), 316 states have call successors, (316), 78 states have call predecessors, (316), 78 states have return successors, (316), 308 states have call predecessors, (316), 316 states have call successors, (316) [2022-11-20 12:01:20,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1557 states to 1557 states and 2214 transitions. [2022-11-20 12:01:20,772 INFO L78 Accepts]: Start accepts. Automaton has 1557 states and 2214 transitions. Word has length 751 [2022-11-20 12:01:20,774 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 12:01:20,774 INFO L495 AbstractCegarLoop]: Abstraction has 1557 states and 2214 transitions. [2022-11-20 12:01:20,774 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 16.75) internal successors, (134), 3 states have internal predecessors, (134), 1 states have call successors, (62), 6 states have call predecessors, (62), 1 states have return successors, (60), 1 states have call predecessors, (60), 1 states have call successors, (60) [2022-11-20 12:01:20,774 INFO L276 IsEmpty]: Start isEmpty. Operand 1557 states and 2214 transitions. [2022-11-20 12:01:20,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 756 [2022-11-20 12:01:20,783 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:01:20,783 INFO L195 NwaCegarLoop]: trace histogram [39, 39, 39, 39, 26, 26, 26, 26, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 9, 9, 9, 9, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:01:20,784 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-11-20 12:01:20,784 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 12:01:20,784 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:01:20,785 INFO L85 PathProgramCache]: Analyzing trace with hash 335979817, now seen corresponding path program 1 times [2022-11-20 12:01:20,785 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:01:20,785 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [537362898] [2022-11-20 12:01:20,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:01:20,785 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:01:21,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:24,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 12:01:24,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:24,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 12:01:24,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:24,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-20 12:01:24,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:24,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-20 12:01:24,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:24,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 12:01:24,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:24,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-20 12:01:24,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:24,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-20 12:01:24,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:24,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 12:01:24,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:24,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-20 12:01:24,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:24,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-20 12:01:24,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:24,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 12:01:24,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:24,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-20 12:01:24,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:24,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-11-20 12:01:24,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:24,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-11-20 12:01:24,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:24,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2022-11-20 12:01:24,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:24,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-11-20 12:01:24,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:24,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-11-20 12:01:24,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:24,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-20 12:01:24,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:24,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-11-20 12:01:24,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:24,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-11-20 12:01:24,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:24,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-11-20 12:01:24,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:24,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-11-20 12:01:24,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:24,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-11-20 12:01:24,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:24,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2022-11-20 12:01:24,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:24,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-11-20 12:01:24,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:24,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-11-20 12:01:24,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:24,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2022-11-20 12:01:24,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:24,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2022-11-20 12:01:24,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:24,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-11-20 12:01:24,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:24,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2022-11-20 12:01:24,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:24,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2022-11-20 12:01:24,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:24,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2022-11-20 12:01:24,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:24,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2022-11-20 12:01:24,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:24,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-11-20 12:01:24,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:24,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2022-11-20 12:01:24,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:24,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2022-11-20 12:01:24,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:24,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2022-11-20 12:01:24,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:24,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2022-11-20 12:01:24,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:24,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2022-11-20 12:01:24,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:24,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-11-20 12:01:24,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:24,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2022-11-20 12:01:24,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:24,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2022-11-20 12:01:24,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:24,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2022-11-20 12:01:24,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:24,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2022-11-20 12:01:24,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:24,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 291 [2022-11-20 12:01:24,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:25,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2022-11-20 12:01:25,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:25,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2022-11-20 12:01:25,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:25,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2022-11-20 12:01:25,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:25,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 319 [2022-11-20 12:01:25,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:25,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 326 [2022-11-20 12:01:25,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:25,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2022-11-20 12:01:25,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:25,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2022-11-20 12:01:25,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:25,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 359 [2022-11-20 12:01:25,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:25,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2022-11-20 12:01:25,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:25,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 12:01:25,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:25,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 378 [2022-11-20 12:01:25,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:25,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 12:01:25,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:25,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-20 12:01:25,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:25,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-20 12:01:25,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:25,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-20 12:01:25,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:25,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 402 [2022-11-20 12:01:25,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:25,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 12:01:25,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:25,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-20 12:01:25,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:25,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-20 12:01:25,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:25,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-20 12:01:25,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:25,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 426 [2022-11-20 12:01:25,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:25,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 435 [2022-11-20 12:01:25,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:25,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 12:01:25,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:25,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-20 12:01:25,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:25,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-20 12:01:25,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:25,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-20 12:01:25,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:25,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 461 [2022-11-20 12:01:25,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:25,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 12:01:25,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:25,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-20 12:01:25,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:25,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-20 12:01:25,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:25,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-20 12:01:25,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:25,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 487 [2022-11-20 12:01:25,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:25,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 12:01:25,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:25,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-20 12:01:25,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:25,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-20 12:01:25,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:25,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-20 12:01:25,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:25,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 513 [2022-11-20 12:01:25,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:25,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 12:01:25,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:25,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-20 12:01:25,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:25,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-20 12:01:25,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:25,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-20 12:01:25,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:25,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 539 [2022-11-20 12:01:25,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:25,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 12:01:25,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:25,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-20 12:01:25,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:25,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-20 12:01:25,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:25,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-20 12:01:25,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:25,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 565 [2022-11-20 12:01:25,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:25,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 12:01:25,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:25,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-20 12:01:25,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:25,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-20 12:01:25,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:25,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-20 12:01:25,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:25,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 591 [2022-11-20 12:01:25,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:25,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 12:01:25,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:25,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-20 12:01:25,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:25,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-20 12:01:25,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:25,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-20 12:01:25,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:25,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 617 [2022-11-20 12:01:25,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:25,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 12:01:25,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:25,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-20 12:01:25,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:25,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-20 12:01:25,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:25,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-20 12:01:25,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:25,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 643 [2022-11-20 12:01:25,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:25,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 12:01:25,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:25,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-20 12:01:25,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:25,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-20 12:01:25,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:25,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-20 12:01:25,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:25,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 669 [2022-11-20 12:01:25,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:25,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 12:01:25,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:25,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-20 12:01:25,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:25,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-20 12:01:25,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:25,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-20 12:01:25,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:25,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 693 [2022-11-20 12:01:25,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:25,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 12:01:25,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:25,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-20 12:01:25,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:25,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-20 12:01:25,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:25,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-20 12:01:25,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:25,318 INFO L134 CoverageAnalysis]: Checked inductivity of 6720 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 6716 trivial. 0 not checked. [2022-11-20 12:01:25,319 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 12:01:25,319 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [537362898] [2022-11-20 12:01:25,319 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [537362898] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 12:01:25,319 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [912150240] [2022-11-20 12:01:25,320 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:01:25,320 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 12:01:25,320 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0a537c9-8757-4130-914f-8c3cd5e955c0/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:01:25,323 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0a537c9-8757-4130-914f-8c3cd5e955c0/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 12:01:25,346 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0a537c9-8757-4130-914f-8c3cd5e955c0/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-11-20 12:01:28,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:28,603 INFO L263 TraceCheckSpWp]: Trace formula consists of 10653 conjuncts, 44 conjunts are in the unsatisfiable core [2022-11-20 12:01:28,629 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:01:30,295 INFO L134 CoverageAnalysis]: Checked inductivity of 6720 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 6714 trivial. 0 not checked. [2022-11-20 12:01:30,295 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 12:01:30,295 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [912150240] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:01:30,296 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-20 12:01:30,296 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [12] total 12 [2022-11-20 12:01:30,296 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [796530516] [2022-11-20 12:01:30,296 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:01:30,297 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-20 12:01:30,297 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 12:01:30,298 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-20 12:01:30,298 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2022-11-20 12:01:30,307 INFO L87 Difference]: Start difference. First operand 1557 states and 2214 transitions. Second operand has 8 states, 8 states have (on average 17.875) internal successors, (143), 7 states have internal predecessors, (143), 3 states have call successors, (62), 3 states have call predecessors, (62), 3 states have return successors, (59), 3 states have call predecessors, (59), 3 states have call successors, (59) [2022-11-20 12:01:31,723 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:01:31,723 INFO L93 Difference]: Finished difference Result 2988 states and 4252 transitions. [2022-11-20 12:01:31,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-20 12:01:31,725 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 17.875) internal successors, (143), 7 states have internal predecessors, (143), 3 states have call successors, (62), 3 states have call predecessors, (62), 3 states have return successors, (59), 3 states have call predecessors, (59), 3 states have call successors, (59) Word has length 755 [2022-11-20 12:01:31,726 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:01:31,734 INFO L225 Difference]: With dead ends: 2988 [2022-11-20 12:01:31,734 INFO L226 Difference]: Without dead ends: 1559 [2022-11-20 12:01:31,740 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1010 GetRequests, 995 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=50, Invalid=222, Unknown=0, NotChecked=0, Total=272 [2022-11-20 12:01:31,742 INFO L413 NwaCegarLoop]: 1238 mSDtfsCounter, 36 mSDsluCounter, 7178 mSDsCounter, 0 mSdLazyCounter, 127 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 37 SdHoareTripleChecker+Valid, 8416 SdHoareTripleChecker+Invalid, 127 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 127 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-11-20 12:01:31,743 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [37 Valid, 8416 Invalid, 127 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 127 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-11-20 12:01:31,745 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1559 states. [2022-11-20 12:01:31,882 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1559 to 1557. [2022-11-20 12:01:31,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1557 states, 1162 states have (on average 1.3605851979345955) internal successors, (1581), 1184 states have internal predecessors, (1581), 316 states have call successors, (316), 78 states have call predecessors, (316), 78 states have return successors, (316), 308 states have call predecessors, (316), 316 states have call successors, (316) [2022-11-20 12:01:31,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1557 states to 1557 states and 2213 transitions. [2022-11-20 12:01:31,909 INFO L78 Accepts]: Start accepts. Automaton has 1557 states and 2213 transitions. Word has length 755 [2022-11-20 12:01:31,910 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 12:01:31,910 INFO L495 AbstractCegarLoop]: Abstraction has 1557 states and 2213 transitions. [2022-11-20 12:01:31,911 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 17.875) internal successors, (143), 7 states have internal predecessors, (143), 3 states have call successors, (62), 3 states have call predecessors, (62), 3 states have return successors, (59), 3 states have call predecessors, (59), 3 states have call successors, (59) [2022-11-20 12:01:31,911 INFO L276 IsEmpty]: Start isEmpty. Operand 1557 states and 2213 transitions. [2022-11-20 12:01:31,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 762 [2022-11-20 12:01:31,920 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:01:31,921 INFO L195 NwaCegarLoop]: trace histogram [39, 39, 39, 39, 26, 26, 26, 26, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 9, 9, 9, 9, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:01:31,961 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0a537c9-8757-4130-914f-8c3cd5e955c0/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-11-20 12:01:32,134 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0a537c9-8757-4130-914f-8c3cd5e955c0/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2022-11-20 12:01:32,135 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 12:01:32,135 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:01:32,135 INFO L85 PathProgramCache]: Analyzing trace with hash 2018996028, now seen corresponding path program 1 times [2022-11-20 12:01:32,136 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:01:32,136 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1437129908] [2022-11-20 12:01:32,136 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:01:32,136 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:01:32,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:34,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 12:01:34,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:34,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 12:01:34,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:34,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-20 12:01:34,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:34,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-20 12:01:34,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:34,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 12:01:34,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:34,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-20 12:01:34,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:34,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-20 12:01:34,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:34,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 12:01:34,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:34,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-20 12:01:34,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:34,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-20 12:01:34,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:34,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 12:01:34,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:34,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-20 12:01:34,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:34,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-11-20 12:01:34,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:34,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-11-20 12:01:34,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:34,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2022-11-20 12:01:34,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:34,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-11-20 12:01:34,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:34,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-11-20 12:01:34,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:34,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-20 12:01:34,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:34,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-11-20 12:01:34,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:34,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-11-20 12:01:34,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:34,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-11-20 12:01:34,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:34,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-11-20 12:01:34,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:34,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-11-20 12:01:34,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:34,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2022-11-20 12:01:34,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:34,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-11-20 12:01:34,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:34,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-11-20 12:01:34,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:34,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2022-11-20 12:01:34,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:34,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2022-11-20 12:01:34,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:34,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-11-20 12:01:34,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:34,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2022-11-20 12:01:34,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:34,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2022-11-20 12:01:34,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:34,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2022-11-20 12:01:35,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:35,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2022-11-20 12:01:35,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:35,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-11-20 12:01:35,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:35,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2022-11-20 12:01:35,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:35,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2022-11-20 12:01:35,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:35,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2022-11-20 12:01:35,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:35,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2022-11-20 12:01:35,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:35,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2022-11-20 12:01:35,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:35,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-11-20 12:01:35,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:35,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2022-11-20 12:01:35,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:35,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2022-11-20 12:01:35,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:35,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2022-11-20 12:01:35,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:35,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2022-11-20 12:01:35,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:35,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 291 [2022-11-20 12:01:35,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:35,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2022-11-20 12:01:35,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:35,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2022-11-20 12:01:35,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:35,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2022-11-20 12:01:35,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:35,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 319 [2022-11-20 12:01:35,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:35,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 326 [2022-11-20 12:01:35,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:35,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2022-11-20 12:01:35,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:35,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2022-11-20 12:01:35,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:35,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 12:01:35,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:35,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 365 [2022-11-20 12:01:35,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:35,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 372 [2022-11-20 12:01:35,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:35,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 12:01:35,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:35,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 384 [2022-11-20 12:01:35,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:35,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 12:01:35,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:35,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-20 12:01:35,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:35,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-20 12:01:35,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:35,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-20 12:01:35,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:35,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 408 [2022-11-20 12:01:35,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:35,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 12:01:35,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:35,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-20 12:01:35,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:35,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-20 12:01:35,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:35,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-20 12:01:35,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:35,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 432 [2022-11-20 12:01:35,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:35,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 441 [2022-11-20 12:01:35,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:35,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 12:01:35,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:35,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-20 12:01:35,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:35,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-20 12:01:35,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:35,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-20 12:01:35,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:35,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 467 [2022-11-20 12:01:35,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:35,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 12:01:35,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:35,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-20 12:01:35,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:35,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-20 12:01:35,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:35,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-20 12:01:35,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:35,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 493 [2022-11-20 12:01:35,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:35,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 12:01:35,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:35,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-20 12:01:35,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:35,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-20 12:01:35,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:35,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-20 12:01:35,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:35,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 519 [2022-11-20 12:01:35,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:35,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 12:01:35,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:35,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-20 12:01:35,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:35,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-20 12:01:35,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:35,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-20 12:01:35,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:35,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 545 [2022-11-20 12:01:35,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:35,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 12:01:35,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:35,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-20 12:01:35,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:35,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-20 12:01:35,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:35,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-20 12:01:35,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:35,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 571 [2022-11-20 12:01:35,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:35,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 12:01:35,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:35,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-20 12:01:35,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:35,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-20 12:01:35,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:35,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-20 12:01:35,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:35,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 597 [2022-11-20 12:01:35,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:35,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 12:01:35,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:35,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-20 12:01:35,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:35,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-20 12:01:35,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:35,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-20 12:01:35,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:35,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 623 [2022-11-20 12:01:35,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:35,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 12:01:35,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:35,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-20 12:01:35,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:35,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-20 12:01:35,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:35,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-20 12:01:35,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:35,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 649 [2022-11-20 12:01:35,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:35,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 12:01:35,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:35,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-20 12:01:35,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:35,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-20 12:01:35,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:35,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-20 12:01:35,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:35,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 675 [2022-11-20 12:01:35,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:35,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 12:01:35,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:35,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-20 12:01:35,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:35,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-20 12:01:35,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:35,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-20 12:01:35,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:35,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 699 [2022-11-20 12:01:35,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:35,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 12:01:35,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:35,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-20 12:01:35,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:35,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-20 12:01:35,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:35,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-20 12:01:35,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:35,398 INFO L134 CoverageAnalysis]: Checked inductivity of 6736 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 6732 trivial. 0 not checked. [2022-11-20 12:01:35,398 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 12:01:35,398 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1437129908] [2022-11-20 12:01:35,399 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1437129908] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:01:35,399 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:01:35,399 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-11-20 12:01:35,399 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [157878584] [2022-11-20 12:01:35,399 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:01:35,400 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-11-20 12:01:35,400 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 12:01:35,401 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-20 12:01:35,401 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2022-11-20 12:01:35,401 INFO L87 Difference]: Start difference. First operand 1557 states and 2213 transitions. Second operand has 11 states, 11 states have (on average 13.0) internal successors, (143), 5 states have internal predecessors, (143), 2 states have call successors, (63), 6 states have call predecessors, (63), 3 states have return successors, (60), 4 states have call predecessors, (60), 2 states have call successors, (60) [2022-11-20 12:01:43,896 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:01:43,896 INFO L93 Difference]: Finished difference Result 3234 states and 4634 transitions. [2022-11-20 12:01:43,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-20 12:01:43,897 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 13.0) internal successors, (143), 5 states have internal predecessors, (143), 2 states have call successors, (63), 6 states have call predecessors, (63), 3 states have return successors, (60), 4 states have call predecessors, (60), 2 states have call successors, (60) Word has length 761 [2022-11-20 12:01:43,898 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:01:43,908 INFO L225 Difference]: With dead ends: 3234 [2022-11-20 12:01:43,909 INFO L226 Difference]: Without dead ends: 1815 [2022-11-20 12:01:43,915 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 257 GetRequests, 244 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=52, Invalid=158, Unknown=0, NotChecked=0, Total=210 [2022-11-20 12:01:43,915 INFO L413 NwaCegarLoop]: 772 mSDtfsCounter, 1300 mSDsluCounter, 3989 mSDsCounter, 0 mSdLazyCounter, 4404 mSolverCounterSat, 745 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1333 SdHoareTripleChecker+Valid, 4761 SdHoareTripleChecker+Invalid, 5149 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 745 IncrementalHoareTripleChecker+Valid, 4404 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.2s IncrementalHoareTripleChecker+Time [2022-11-20 12:01:43,916 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1333 Valid, 4761 Invalid, 5149 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [745 Valid, 4404 Invalid, 0 Unknown, 0 Unchecked, 8.2s Time] [2022-11-20 12:01:43,919 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1815 states. [2022-11-20 12:01:44,054 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1815 to 1562. [2022-11-20 12:01:44,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1562 states, 1165 states have (on average 1.359656652360515) internal successors, (1584), 1188 states have internal predecessors, (1584), 316 states have call successors, (316), 78 states have call predecessors, (316), 80 states have return successors, (318), 309 states have call predecessors, (318), 316 states have call successors, (318) [2022-11-20 12:01:44,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1562 states to 1562 states and 2218 transitions. [2022-11-20 12:01:44,064 INFO L78 Accepts]: Start accepts. Automaton has 1562 states and 2218 transitions. Word has length 761 [2022-11-20 12:01:44,064 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 12:01:44,065 INFO L495 AbstractCegarLoop]: Abstraction has 1562 states and 2218 transitions. [2022-11-20 12:01:44,065 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 13.0) internal successors, (143), 5 states have internal predecessors, (143), 2 states have call successors, (63), 6 states have call predecessors, (63), 3 states have return successors, (60), 4 states have call predecessors, (60), 2 states have call successors, (60) [2022-11-20 12:01:44,065 INFO L276 IsEmpty]: Start isEmpty. Operand 1562 states and 2218 transitions. [2022-11-20 12:01:44,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 768 [2022-11-20 12:01:44,074 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:01:44,074 INFO L195 NwaCegarLoop]: trace histogram [39, 39, 39, 39, 26, 26, 26, 26, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 9, 9, 9, 9, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:01:44,075 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-11-20 12:01:44,075 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 12:01:44,075 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:01:44,076 INFO L85 PathProgramCache]: Analyzing trace with hash -1048715383, now seen corresponding path program 1 times [2022-11-20 12:01:44,076 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:01:44,076 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1156964412] [2022-11-20 12:01:44,076 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:01:44,076 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:01:44,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:46,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 12:01:46,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:46,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 12:01:46,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:46,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-20 12:01:46,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:46,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-20 12:01:46,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:46,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 12:01:46,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:46,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-20 12:01:46,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:46,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-20 12:01:46,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:46,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 12:01:46,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:46,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-20 12:01:46,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:46,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-20 12:01:46,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:46,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 12:01:46,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:46,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-20 12:01:46,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:46,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-11-20 12:01:46,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:46,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-11-20 12:01:46,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:46,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2022-11-20 12:01:46,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:46,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-11-20 12:01:46,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:46,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-11-20 12:01:46,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:46,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-11-20 12:01:46,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:46,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-11-20 12:01:46,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:46,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-11-20 12:01:46,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:46,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-11-20 12:01:46,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:46,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-11-20 12:01:46,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:46,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-11-20 12:01:46,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:46,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2022-11-20 12:01:46,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:46,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-11-20 12:01:46,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:46,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-11-20 12:01:46,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:46,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2022-11-20 12:01:46,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:46,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2022-11-20 12:01:46,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:46,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-11-20 12:01:46,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:46,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2022-11-20 12:01:46,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:46,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2022-11-20 12:01:46,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:46,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2022-11-20 12:01:46,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:46,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2022-11-20 12:01:46,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:46,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-11-20 12:01:46,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:46,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2022-11-20 12:01:46,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:46,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2022-11-20 12:01:46,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:46,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2022-11-20 12:01:46,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:46,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2022-11-20 12:01:46,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:46,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2022-11-20 12:01:46,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:46,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-11-20 12:01:46,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:46,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2022-11-20 12:01:46,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:46,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2022-11-20 12:01:46,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:46,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2022-11-20 12:01:46,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:46,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2022-11-20 12:01:46,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:46,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 291 [2022-11-20 12:01:46,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:46,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2022-11-20 12:01:46,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:46,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2022-11-20 12:01:46,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:46,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2022-11-20 12:01:46,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:46,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 319 [2022-11-20 12:01:46,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:46,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 326 [2022-11-20 12:01:46,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:46,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2022-11-20 12:01:46,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:46,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2022-11-20 12:01:46,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:46,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 12:01:46,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:46,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 365 [2022-11-20 12:01:46,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:46,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 372 [2022-11-20 12:01:47,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:47,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 12:01:47,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:47,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 12:01:47,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:47,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 390 [2022-11-20 12:01:47,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:47,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 12:01:47,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:47,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-20 12:01:47,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:47,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-20 12:01:47,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:47,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-20 12:01:47,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:47,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 414 [2022-11-20 12:01:47,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:47,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 12:01:47,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:47,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-20 12:01:47,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:47,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-20 12:01:47,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:47,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-20 12:01:47,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:47,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 438 [2022-11-20 12:01:47,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:47,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 447 [2022-11-20 12:01:47,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:47,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 12:01:47,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:47,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-20 12:01:47,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:47,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-20 12:01:47,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:47,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-20 12:01:47,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:47,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 473 [2022-11-20 12:01:47,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:47,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 12:01:47,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:47,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-20 12:01:47,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:47,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-20 12:01:47,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:47,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-20 12:01:47,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:47,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 499 [2022-11-20 12:01:47,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:47,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 12:01:47,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:47,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-20 12:01:47,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:47,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-20 12:01:47,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:47,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-20 12:01:47,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:47,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 525 [2022-11-20 12:01:47,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:47,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 12:01:47,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:47,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-20 12:01:47,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:47,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-20 12:01:47,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:47,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-20 12:01:47,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:47,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 551 [2022-11-20 12:01:47,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:47,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 12:01:47,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:47,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-20 12:01:47,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:47,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-20 12:01:47,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:47,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-20 12:01:47,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:47,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 577 [2022-11-20 12:01:47,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:47,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 12:01:47,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:47,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-20 12:01:47,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:47,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-20 12:01:47,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:47,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-20 12:01:47,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:47,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 603 [2022-11-20 12:01:47,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:47,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 12:01:47,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:47,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-20 12:01:47,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:47,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-20 12:01:47,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:47,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-20 12:01:47,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:47,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 629 [2022-11-20 12:01:47,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:47,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 12:01:47,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:47,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-20 12:01:47,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:47,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-20 12:01:47,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:47,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-20 12:01:47,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:47,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 655 [2022-11-20 12:01:47,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:47,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 12:01:47,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:47,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-20 12:01:47,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:47,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-20 12:01:47,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:47,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-20 12:01:47,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:47,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 681 [2022-11-20 12:01:47,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:47,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 12:01:47,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:47,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-20 12:01:47,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:47,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-20 12:01:47,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:47,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-20 12:01:47,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:47,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 705 [2022-11-20 12:01:47,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:47,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 12:01:47,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:47,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-20 12:01:47,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:47,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-20 12:01:47,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:47,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-20 12:01:47,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:47,240 INFO L134 CoverageAnalysis]: Checked inductivity of 6758 backedges. 0 proven. 152 refuted. 0 times theorem prover too weak. 6606 trivial. 0 not checked. [2022-11-20 12:01:47,240 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 12:01:47,240 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1156964412] [2022-11-20 12:01:47,240 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1156964412] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 12:01:47,241 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1737938045] [2022-11-20 12:01:47,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:01:47,241 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 12:01:47,241 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0a537c9-8757-4130-914f-8c3cd5e955c0/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:01:47,242 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0a537c9-8757-4130-914f-8c3cd5e955c0/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 12:01:47,262 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0a537c9-8757-4130-914f-8c3cd5e955c0/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-11-20 12:01:51,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:01:51,414 INFO L263 TraceCheckSpWp]: Trace formula consists of 10705 conjuncts, 888 conjunts are in the unsatisfiable core [2022-11-20 12:01:51,472 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:01:57,989 INFO L217 Elim1Store]: Index analysis took 650 ms [2022-11-20 12:03:43,861 WARN L233 SmtUtils]: Spent 1.76m on a formula simplification. DAG size of input: 3389 DAG size of output: 638 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-20 12:03:43,868 INFO L321 Elim1Store]: treesize reduction 39552, result has 3.8 percent of original size [2022-11-20 12:03:43,871 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 17 select indices, 17 select index equivalence classes, 0 disjoint index pairs (out of 136 index pairs), introduced 17 new quantified variables, introduced 191 case distinctions, treesize of input 1534 treesize of output 2935 [2022-11-20 12:07:25,027 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 14 [2022-11-20 12:07:25,109 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-20 12:07:25,116 WARN L859 $PredicateComparison]: unable to prove that (exists ((v_ArrVal_18410 (Array Int Int))) (= (store |c_old(#memory_int)| |c_#Ultimate.meminit_#ptr.base| v_ArrVal_18410) |c_#memory_int|)) is different from true [2022-11-20 12:07:25,182 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-20 12:07:25,186 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-20 12:07:25,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 12:07:25,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 12:07:25,277 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-11-20 12:07:25,277 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 31 treesize of output 41 [2022-11-20 12:07:25,283 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-11-20 12:07:25,374 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 14 [2022-11-20 12:07:25,421 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-20 12:07:25,430 WARN L859 $PredicateComparison]: unable to prove that (exists ((v_ArrVal_18412 (Array Int Int))) (= |c_#memory_int| (store |c_old(#memory_int)| |c_#Ultimate.meminit_#ptr.base| v_ArrVal_18412))) is different from true [2022-11-20 12:07:25,498 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-20 12:07:25,502 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-20 12:07:25,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 12:07:25,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 12:07:25,594 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-11-20 12:07:25,594 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 31 treesize of output 41 [2022-11-20 12:07:25,600 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-11-20 12:07:25,693 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 14 [2022-11-20 12:07:25,742 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-20 12:07:25,748 WARN L859 $PredicateComparison]: unable to prove that (exists ((v_ArrVal_18414 (Array Int Int))) (= (store |c_old(#memory_int)| |c_#Ultimate.meminit_#ptr.base| v_ArrVal_18414) |c_#memory_int|)) is different from true [2022-11-20 12:07:25,813 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-20 12:07:25,817 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-20 12:07:25,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 12:07:25,883 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-11-20 12:07:25,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 12:07:25,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 12:07:25,919 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-11-20 12:07:25,919 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 31 treesize of output 41 [2022-11-20 12:07:26,011 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 14 [2022-11-20 12:07:26,064 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-20 12:07:26,069 WARN L859 $PredicateComparison]: unable to prove that (exists ((v_ArrVal_18415 (Array Int Int))) (= (store |c_old(#memory_int)| |c_#Ultimate.meminit_#ptr.base| v_ArrVal_18415) |c_#memory_int|)) is different from true [2022-11-20 12:07:26,124 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-20 12:07:26,127 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-20 12:07:26,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-20 12:07:26,168 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-11-20 12:07:26,957 INFO L134 CoverageAnalysis]: Checked inductivity of 6758 backedges. 44 proven. 15 refuted. 3 times theorem prover too weak. 6684 trivial. 12 not checked. [2022-11-20 12:07:26,957 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 12:07:29,518 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1737938045] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 12:07:29,518 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-20 12:07:29,518 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 18] total 23 [2022-11-20 12:07:29,519 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1341313727] [2022-11-20 12:07:29,519 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-20 12:07:29,520 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2022-11-20 12:07:29,520 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 12:07:29,521 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2022-11-20 12:07:29,521 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=106, Invalid=552, Unknown=8, NotChecked=204, Total=870 [2022-11-20 12:07:29,522 INFO L87 Difference]: Start difference. First operand 1562 states and 2218 transitions. Second operand has 23 states, 21 states have (on average 12.238095238095237) internal successors, (257), 19 states have internal predecessors, (257), 8 states have call successors, (126), 8 states have call predecessors, (126), 12 states have return successors, (125), 6 states have call predecessors, (125), 8 states have call successors, (125) [2022-11-20 12:07:36,447 WARN L859 $PredicateComparison]: unable to prove that (and (exists ((v_ArrVal_18414 (Array Int Int))) (= (store |c_old(#memory_int)| |c_#Ultimate.meminit_#ptr.base| v_ArrVal_18414) |c_#memory_int|)) (exists ((v_ArrVal_18412 (Array Int Int))) (= |c_#memory_int| (store |c_old(#memory_int)| |c_#Ultimate.meminit_#ptr.base| v_ArrVal_18412))) (exists ((v_ArrVal_18410 (Array Int Int))) (= (store |c_old(#memory_int)| |c_#Ultimate.meminit_#ptr.base| v_ArrVal_18410) |c_#memory_int|)) (exists ((v_ArrVal_18415 (Array Int Int))) (= (store |c_old(#memory_int)| |c_#Ultimate.meminit_#ptr.base| v_ArrVal_18415) |c_#memory_int|))) is different from true [2022-11-20 12:07:52,129 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:07:52,129 INFO L93 Difference]: Finished difference Result 3361 states and 4810 transitions. [2022-11-20 12:07:52,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-11-20 12:07:52,130 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 21 states have (on average 12.238095238095237) internal successors, (257), 19 states have internal predecessors, (257), 8 states have call successors, (126), 8 states have call predecessors, (126), 12 states have return successors, (125), 6 states have call predecessors, (125), 8 states have call successors, (125) Word has length 767 [2022-11-20 12:07:52,130 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:07:52,143 INFO L225 Difference]: With dead ends: 3361 [2022-11-20 12:07:52,143 INFO L226 Difference]: Without dead ends: 1818 [2022-11-20 12:07:52,149 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1731 GetRequests, 1688 SyntacticMatches, 4 SemanticMatches, 39 ConstructedPredicates, 5 IntricatePredicates, 0 DeprecatedPredicates, 232 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=200, Invalid=1060, Unknown=20, NotChecked=360, Total=1640 [2022-11-20 12:07:52,150 INFO L413 NwaCegarLoop]: 764 mSDtfsCounter, 851 mSDsluCounter, 6869 mSDsCounter, 0 mSdLazyCounter, 7752 mSolverCounterSat, 534 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 884 SdHoareTripleChecker+Valid, 7633 SdHoareTripleChecker+Invalid, 16531 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 534 IncrementalHoareTripleChecker+Valid, 7752 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 8245 IncrementalHoareTripleChecker+Unchecked, 21.8s IncrementalHoareTripleChecker+Time [2022-11-20 12:07:52,150 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [884 Valid, 7633 Invalid, 16531 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [534 Valid, 7752 Invalid, 0 Unknown, 8245 Unchecked, 21.8s Time] [2022-11-20 12:07:52,153 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1818 states. [2022-11-20 12:07:52,293 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1818 to 1563. [2022-11-20 12:07:52,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1563 states, 1166 states have (on average 1.3593481989708405) internal successors, (1585), 1189 states have internal predecessors, (1585), 316 states have call successors, (316), 78 states have call predecessors, (316), 80 states have return successors, (318), 309 states have call predecessors, (318), 316 states have call successors, (318) [2022-11-20 12:07:52,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1563 states to 1563 states and 2219 transitions. [2022-11-20 12:07:52,302 INFO L78 Accepts]: Start accepts. Automaton has 1563 states and 2219 transitions. Word has length 767 [2022-11-20 12:07:52,303 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 12:07:52,303 INFO L495 AbstractCegarLoop]: Abstraction has 1563 states and 2219 transitions. [2022-11-20 12:07:52,303 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 21 states have (on average 12.238095238095237) internal successors, (257), 19 states have internal predecessors, (257), 8 states have call successors, (126), 8 states have call predecessors, (126), 12 states have return successors, (125), 6 states have call predecessors, (125), 8 states have call successors, (125) [2022-11-20 12:07:52,303 INFO L276 IsEmpty]: Start isEmpty. Operand 1563 states and 2219 transitions. [2022-11-20 12:07:52,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 807 [2022-11-20 12:07:52,312 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:07:52,312 INFO L195 NwaCegarLoop]: trace histogram [39, 39, 39, 39, 39, 26, 26, 26, 26, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 9, 9, 9, 9, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:07:52,358 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0a537c9-8757-4130-914f-8c3cd5e955c0/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-11-20 12:07:52,534 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0a537c9-8757-4130-914f-8c3cd5e955c0/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2022-11-20 12:07:52,535 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_lenErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 12:07:52,535 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:07:52,535 INFO L85 PathProgramCache]: Analyzing trace with hash -1826072372, now seen corresponding path program 1 times [2022-11-20 12:07:52,535 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:07:52,535 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1862825526] [2022-11-20 12:07:52,535 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:07:52,536 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:07:53,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:07:55,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 12:07:55,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:07:55,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 12:07:55,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:07:55,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-20 12:07:55,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:07:55,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-20 12:07:55,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:07:55,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 12:07:55,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:07:55,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-20 12:07:55,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:07:55,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-20 12:07:55,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:07:55,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 12:07:55,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:07:55,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-20 12:07:55,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:07:55,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-20 12:07:55,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:07:55,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 12:07:55,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:07:55,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-20 12:07:55,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:07:55,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-11-20 12:07:55,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:07:55,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2022-11-20 12:07:55,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:07:55,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-11-20 12:07:55,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:07:55,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-20 12:07:55,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:07:55,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2022-11-20 12:07:55,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:07:55,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2022-11-20 12:07:56,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:07:56,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-11-20 12:07:56,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:07:56,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-11-20 12:07:56,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:07:56,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2022-11-20 12:07:56,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:07:56,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2022-11-20 12:07:56,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:07:56,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-11-20 12:07:56,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:07:56,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2022-11-20 12:07:56,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:07:56,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2022-11-20 12:07:56,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:07:56,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2022-11-20 12:07:56,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:07:56,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-11-20 12:07:56,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:07:56,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-11-20 12:07:56,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:07:56,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2022-11-20 12:07:56,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:07:56,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2022-11-20 12:07:56,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:07:56,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2022-11-20 12:07:56,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:07:56,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2022-11-20 12:07:56,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:07:56,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2022-11-20 12:07:56,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:07:56,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2022-11-20 12:07:56,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:07:56,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2022-11-20 12:07:56,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:07:56,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2022-11-20 12:07:56,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:07:56,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2022-11-20 12:07:56,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:07:56,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2022-11-20 12:07:56,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:07:56,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2022-11-20 12:07:56,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:07:56,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2022-11-20 12:07:56,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:07:56,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 291 [2022-11-20 12:07:56,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:07:56,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 299 [2022-11-20 12:07:56,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:07:56,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2022-11-20 12:07:56,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:07:56,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 315 [2022-11-20 12:07:56,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:07:56,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 323 [2022-11-20 12:07:56,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:07:56,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 331 [2022-11-20 12:07:56,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:07:56,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 339 [2022-11-20 12:07:56,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:07:56,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 347 [2022-11-20 12:07:56,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:07:56,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2022-11-20 12:07:56,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:07:56,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 363 [2022-11-20 12:07:56,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:07:56,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 371 [2022-11-20 12:07:56,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:07:56,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 388 [2022-11-20 12:07:56,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:07:56,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 12:07:56,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:07:56,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 404 [2022-11-20 12:07:56,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:07:56,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 411 [2022-11-20 12:07:56,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:07:56,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 12:07:56,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:07:56,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 12:07:56,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:07:56,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 429 [2022-11-20 12:07:56,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:07:56,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 12:07:56,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:07:56,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-20 12:07:56,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:07:56,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-20 12:07:56,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:07:56,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-20 12:07:56,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:07:56,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 453 [2022-11-20 12:07:56,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:07:56,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 12:07:56,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:07:56,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-20 12:07:56,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:07:56,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-20 12:07:56,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:07:56,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-20 12:07:56,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:07:56,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 477 [2022-11-20 12:07:56,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:07:56,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 486 [2022-11-20 12:07:56,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:07:56,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 12:07:56,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:07:56,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-20 12:07:56,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:07:56,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-20 12:07:56,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:07:56,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-20 12:07:56,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:07:56,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 512 [2022-11-20 12:07:56,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:07:56,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 12:07:56,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:07:56,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-20 12:07:56,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:07:56,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-20 12:07:56,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:07:56,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-20 12:07:56,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:07:56,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 538 [2022-11-20 12:07:56,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:07:56,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 12:07:56,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:07:56,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-20 12:07:56,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:07:56,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-20 12:07:56,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:07:56,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-20 12:07:56,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:07:56,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 564 [2022-11-20 12:07:56,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:07:56,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 12:07:56,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:07:56,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-20 12:07:56,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:07:56,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-20 12:07:56,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:07:56,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-20 12:07:56,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:07:56,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 590 [2022-11-20 12:07:56,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:07:56,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 12:07:56,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:07:56,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-20 12:07:56,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:07:56,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-20 12:07:56,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:07:56,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-20 12:07:56,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:07:56,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 616 [2022-11-20 12:07:56,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:07:56,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 12:07:56,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:07:56,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-20 12:07:56,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:07:56,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-20 12:07:56,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:07:56,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-20 12:07:56,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:07:56,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 642 [2022-11-20 12:07:56,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:07:56,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 12:07:56,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:07:56,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-20 12:07:56,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:07:56,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-20 12:07:56,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:07:56,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-20 12:07:56,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:07:56,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 668 [2022-11-20 12:07:56,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:07:56,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 12:07:56,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:07:56,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-20 12:07:56,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:07:56,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-20 12:07:56,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:07:56,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-20 12:07:56,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:07:56,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 694 [2022-11-20 12:07:56,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:07:56,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 12:07:56,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:07:56,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-20 12:07:56,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:07:56,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-20 12:07:56,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:07:56,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-20 12:07:56,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:07:56,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 720 [2022-11-20 12:07:56,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:07:56,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 12:07:56,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:07:56,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-20 12:07:56,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:07:56,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-20 12:07:56,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:07:56,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-20 12:07:56,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:07:56,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 744 [2022-11-20 12:07:56,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:07:56,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 12:07:56,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:07:56,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-20 12:07:56,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:07:56,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-20 12:07:56,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:07:56,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-20 12:07:56,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:07:56,452 INFO L134 CoverageAnalysis]: Checked inductivity of 9020 backedges. 0 proven. 267 refuted. 0 times theorem prover too weak. 8753 trivial. 0 not checked. [2022-11-20 12:07:56,452 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 12:07:56,453 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1862825526] [2022-11-20 12:07:56,453 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1862825526] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 12:07:56,453 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [76987772] [2022-11-20 12:07:56,453 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:07:56,453 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 12:07:56,454 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0a537c9-8757-4130-914f-8c3cd5e955c0/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:07:56,455 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0a537c9-8757-4130-914f-8c3cd5e955c0/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 12:07:56,479 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d0a537c9-8757-4130-914f-8c3cd5e955c0/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-11-20 12:08:03,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:08:03,345 INFO L263 TraceCheckSpWp]: Trace formula consists of 11290 conjuncts, 2025 conjunts are in the unsatisfiable core [2022-11-20 12:08:03,435 INFO L286 TraceCheckSpWp]: Computing forward predicates...