./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/recursive/Fibonacci05.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 5e519f3a Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f22f5dd-cdeb-477b-ae7a-dbe226245889/bin/uautomizer-Dbtcem3rbc/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f22f5dd-cdeb-477b-ae7a-dbe226245889/bin/uautomizer-Dbtcem3rbc/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f22f5dd-cdeb-477b-ae7a-dbe226245889/bin/uautomizer-Dbtcem3rbc/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f22f5dd-cdeb-477b-ae7a-dbe226245889/bin/uautomizer-Dbtcem3rbc/config/AutomizerReach.xml -i ../../sv-benchmarks/c/recursive/Fibonacci05.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f22f5dd-cdeb-477b-ae7a-dbe226245889/bin/uautomizer-Dbtcem3rbc/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f22f5dd-cdeb-477b-ae7a-dbe226245889/bin/uautomizer-Dbtcem3rbc --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 97829031814878890268a6b8dbba5c3e987e2ec78ab2dc94181f9e68090060bd --- 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-5e519f3 [2022-11-02 21:10:22,557 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-02 21:10:22,560 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-02 21:10:22,589 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-02 21:10:22,590 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-02 21:10:22,591 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-02 21:10:22,593 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-02 21:10:22,595 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-02 21:10:22,597 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-02 21:10:22,598 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-02 21:10:22,600 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-02 21:10:22,601 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-02 21:10:22,602 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-02 21:10:22,603 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-02 21:10:22,604 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-02 21:10:22,606 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-02 21:10:22,607 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-02 21:10:22,608 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-02 21:10:22,611 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-02 21:10:22,613 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-02 21:10:22,615 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-02 21:10:22,617 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-02 21:10:22,618 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-02 21:10:22,620 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-02 21:10:22,624 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-02 21:10:22,625 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-02 21:10:22,625 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-02 21:10:22,626 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-02 21:10:22,627 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-02 21:10:22,629 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-02 21:10:22,629 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-02 21:10:22,630 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-02 21:10:22,631 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-02 21:10:22,632 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-02 21:10:22,634 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-02 21:10:22,634 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-02 21:10:22,635 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-02 21:10:22,636 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-02 21:10:22,636 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-02 21:10:22,637 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-02 21:10:22,638 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-02 21:10:22,639 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f22f5dd-cdeb-477b-ae7a-dbe226245889/bin/uautomizer-Dbtcem3rbc/config/svcomp-Overflow-32bit-Automizer_Default.epf [2022-11-02 21:10:22,665 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-02 21:10:22,666 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-02 21:10:22,666 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-02 21:10:22,666 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-02 21:10:22,667 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-02 21:10:22,667 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-02 21:10:22,668 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-02 21:10:22,669 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-02 21:10:22,669 INFO L138 SettingsManager]: * Use SBE=true [2022-11-02 21:10:22,669 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-02 21:10:22,669 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-02 21:10:22,670 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-02 21:10:22,670 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-02 21:10:22,670 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-02 21:10:22,671 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-02 21:10:22,671 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-02 21:10:22,671 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-02 21:10:22,672 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-02 21:10:22,672 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-02 21:10:22,672 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-02 21:10:22,672 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-02 21:10:22,673 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-02 21:10:22,673 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-02 21:10:22,673 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-02 21:10:22,674 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-02 21:10:22,674 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-02 21:10:22,674 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-02 21:10:22,675 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-02 21:10:22,675 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-02 21:10:22,675 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-02 21:10:22,675 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-02 21:10:22,676 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-02 21:10:22,676 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-02 21:10:22,676 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_0f22f5dd-cdeb-477b-ae7a-dbe226245889/bin/uautomizer-Dbtcem3rbc/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f22f5dd-cdeb-477b-ae7a-dbe226245889/bin/uautomizer-Dbtcem3rbc Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 97829031814878890268a6b8dbba5c3e987e2ec78ab2dc94181f9e68090060bd [2022-11-02 21:10:22,940 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-02 21:10:22,977 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-02 21:10:22,980 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-02 21:10:22,982 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-02 21:10:22,983 INFO L275 PluginConnector]: CDTParser initialized [2022-11-02 21:10:22,984 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f22f5dd-cdeb-477b-ae7a-dbe226245889/bin/uautomizer-Dbtcem3rbc/../../sv-benchmarks/c/recursive/Fibonacci05.c [2022-11-02 21:10:23,066 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f22f5dd-cdeb-477b-ae7a-dbe226245889/bin/uautomizer-Dbtcem3rbc/data/2f3b86847/945c4a822b9d4d22bb07efa1da77260a/FLAG450c5abd9 [2022-11-02 21:10:23,616 INFO L306 CDTParser]: Found 1 translation units. [2022-11-02 21:10:23,617 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f22f5dd-cdeb-477b-ae7a-dbe226245889/sv-benchmarks/c/recursive/Fibonacci05.c [2022-11-02 21:10:23,626 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f22f5dd-cdeb-477b-ae7a-dbe226245889/bin/uautomizer-Dbtcem3rbc/data/2f3b86847/945c4a822b9d4d22bb07efa1da77260a/FLAG450c5abd9 [2022-11-02 21:10:23,967 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f22f5dd-cdeb-477b-ae7a-dbe226245889/bin/uautomizer-Dbtcem3rbc/data/2f3b86847/945c4a822b9d4d22bb07efa1da77260a [2022-11-02 21:10:23,970 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-02 21:10:23,971 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-02 21:10:23,976 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-02 21:10:23,976 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-02 21:10:23,980 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-02 21:10:23,981 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 09:10:23" (1/1) ... [2022-11-02 21:10:23,984 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11b272c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:10:23, skipping insertion in model container [2022-11-02 21:10:23,984 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 09:10:23" (1/1) ... [2022-11-02 21:10:23,998 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-02 21:10:24,015 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-02 21:10:24,264 WARN L230 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_0f22f5dd-cdeb-477b-ae7a-dbe226245889/sv-benchmarks/c/recursive/Fibonacci05.c[746,759] [2022-11-02 21:10:24,280 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 21:10:24,311 INFO L203 MainTranslator]: Completed pre-run [2022-11-02 21:10:24,338 WARN L230 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_0f22f5dd-cdeb-477b-ae7a-dbe226245889/sv-benchmarks/c/recursive/Fibonacci05.c[746,759] [2022-11-02 21:10:24,339 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 21:10:24,353 INFO L208 MainTranslator]: Completed translation [2022-11-02 21:10:24,354 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:10:24 WrapperNode [2022-11-02 21:10:24,354 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-02 21:10:24,355 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-02 21:10:24,356 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-02 21:10:24,356 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-02 21:10:24,366 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:10:24" (1/1) ... [2022-11-02 21:10:24,373 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:10:24" (1/1) ... [2022-11-02 21:10:24,392 INFO L138 Inliner]: procedures = 13, calls = 10, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 23 [2022-11-02 21:10:24,392 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-02 21:10:24,393 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-02 21:10:24,393 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-02 21:10:24,394 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-02 21:10:24,404 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:10:24" (1/1) ... [2022-11-02 21:10:24,404 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:10:24" (1/1) ... [2022-11-02 21:10:24,405 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:10:24" (1/1) ... [2022-11-02 21:10:24,406 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:10:24" (1/1) ... [2022-11-02 21:10:24,408 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:10:24" (1/1) ... [2022-11-02 21:10:24,410 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:10:24" (1/1) ... [2022-11-02 21:10:24,411 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:10:24" (1/1) ... [2022-11-02 21:10:24,412 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:10:24" (1/1) ... [2022-11-02 21:10:24,413 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-02 21:10:24,414 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-02 21:10:24,415 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-02 21:10:24,415 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-02 21:10:24,416 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:10:24" (1/1) ... [2022-11-02 21:10:24,423 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-02 21:10:24,437 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f22f5dd-cdeb-477b-ae7a-dbe226245889/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 21:10:24,452 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f22f5dd-cdeb-477b-ae7a-dbe226245889/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-02 21:10:24,482 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f22f5dd-cdeb-477b-ae7a-dbe226245889/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-02 21:10:24,515 INFO L130 BoogieDeclarations]: Found specification of procedure fibonacci [2022-11-02 21:10:24,516 INFO L138 BoogieDeclarations]: Found implementation of procedure fibonacci [2022-11-02 21:10:24,516 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-02 21:10:24,516 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-02 21:10:24,516 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-02 21:10:24,517 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-02 21:10:24,603 INFO L235 CfgBuilder]: Building ICFG [2022-11-02 21:10:24,607 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-02 21:10:24,819 INFO L276 CfgBuilder]: Performing block encoding [2022-11-02 21:10:24,831 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-02 21:10:24,832 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-02 21:10:24,835 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 09:10:24 BoogieIcfgContainer [2022-11-02 21:10:24,835 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-02 21:10:24,838 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-02 21:10:24,839 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-02 21:10:24,843 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-02 21:10:24,844 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 09:10:23" (1/3) ... [2022-11-02 21:10:24,845 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3af7b6c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 09:10:24, skipping insertion in model container [2022-11-02 21:10:24,845 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:10:24" (2/3) ... [2022-11-02 21:10:24,846 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3af7b6c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 09:10:24, skipping insertion in model container [2022-11-02 21:10:24,846 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 09:10:24" (3/3) ... [2022-11-02 21:10:24,848 INFO L112 eAbstractionObserver]: Analyzing ICFG Fibonacci05.c [2022-11-02 21:10:24,871 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-02 21:10:24,871 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2022-11-02 21:10:24,967 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-02 21:10:24,980 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=FINITE_AUTOMATA, 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;@24f4a153, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-02 21:10:24,980 INFO L358 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2022-11-02 21:10:24,996 INFO L276 IsEmpty]: Start isEmpty. Operand has 30 states, 19 states have (on average 1.4736842105263157) internal successors, (28), 25 states have internal predecessors, (28), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-02 21:10:25,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-02 21:10:25,010 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 21:10:25,011 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-02 21:10:25,012 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting fibonacciErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [fibonacciErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, fibonacciErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, fibonacciErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2022-11-02 21:10:25,021 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:10:25,022 INFO L85 PathProgramCache]: Analyzing trace with hash -108718961, now seen corresponding path program 1 times [2022-11-02 21:10:25,037 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:10:25,037 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1342086175] [2022-11-02 21:10:25,038 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:10:25,038 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:10:25,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:25,384 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 21:10:25,384 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 21:10:25,385 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1342086175] [2022-11-02 21:10:25,386 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1342086175] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 21:10:25,386 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 21:10:25,386 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-02 21:10:25,388 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1596412609] [2022-11-02 21:10:25,389 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 21:10:25,395 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-02 21:10:25,395 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 21:10:25,459 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-02 21:10:25,460 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-02 21:10:25,463 INFO L87 Difference]: Start difference. First operand has 30 states, 19 states have (on average 1.4736842105263157) internal successors, (28), 25 states have internal predecessors, (28), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 5 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:10:25,571 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 21:10:25,571 INFO L93 Difference]: Finished difference Result 33 states and 36 transitions. [2022-11-02 21:10:25,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-02 21:10:25,574 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2022-11-02 21:10:25,575 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 21:10:25,582 INFO L225 Difference]: With dead ends: 33 [2022-11-02 21:10:25,582 INFO L226 Difference]: Without dead ends: 22 [2022-11-02 21:10:25,586 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-02 21:10:25,597 INFO L413 NwaCegarLoop]: 15 mSDtfsCounter, 38 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 33 SdHoareTripleChecker+Invalid, 48 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-02 21:10:25,598 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [39 Valid, 33 Invalid, 48 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-02 21:10:25,618 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states. [2022-11-02 21:10:25,641 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 22. [2022-11-02 21:10:25,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 14 states have (on average 1.4285714285714286) internal successors, (20), 18 states have internal predecessors, (20), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-02 21:10:25,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 25 transitions. [2022-11-02 21:10:25,645 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 25 transitions. Word has length 7 [2022-11-02 21:10:25,646 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 21:10:25,646 INFO L495 AbstractCegarLoop]: Abstraction has 22 states and 25 transitions. [2022-11-02 21:10:25,647 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:10:25,647 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 25 transitions. [2022-11-02 21:10:25,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-02 21:10:25,648 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 21:10:25,648 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 21:10:25,649 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-02 21:10:25,649 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting fibonacciErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [fibonacciErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, fibonacciErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, fibonacciErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2022-11-02 21:10:25,650 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:10:25,650 INFO L85 PathProgramCache]: Analyzing trace with hash 924679547, now seen corresponding path program 1 times [2022-11-02 21:10:25,650 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:10:25,651 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [421255698] [2022-11-02 21:10:25,651 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:10:25,651 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:10:25,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:25,716 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 21:10:25,716 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 21:10:25,717 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [421255698] [2022-11-02 21:10:25,717 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [421255698] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 21:10:25,717 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 21:10:25,717 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-02 21:10:25,717 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [846957457] [2022-11-02 21:10:25,718 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 21:10:25,719 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 21:10:25,719 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 21:10:25,720 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 21:10:25,720 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 21:10:25,720 INFO L87 Difference]: Start difference. First operand 22 states and 25 transitions. Second operand has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:10:25,756 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 21:10:25,757 INFO L93 Difference]: Finished difference Result 24 states and 28 transitions. [2022-11-02 21:10:25,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 21:10:25,758 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2022-11-02 21:10:25,758 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 21:10:25,760 INFO L225 Difference]: With dead ends: 24 [2022-11-02 21:10:25,760 INFO L226 Difference]: Without dead ends: 22 [2022-11-02 21:10:25,761 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 21:10:25,763 INFO L413 NwaCegarLoop]: 18 mSDtfsCounter, 11 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 22 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-02 21:10:25,763 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 22 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-02 21:10:25,765 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states. [2022-11-02 21:10:25,770 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 20. [2022-11-02 21:10:25,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 14 states have (on average 1.2857142857142858) internal successors, (18), 16 states have internal predecessors, (18), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-02 21:10:25,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 23 transitions. [2022-11-02 21:10:25,779 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 23 transitions. Word has length 8 [2022-11-02 21:10:25,780 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 21:10:25,780 INFO L495 AbstractCegarLoop]: Abstraction has 20 states and 23 transitions. [2022-11-02 21:10:25,780 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 21:10:25,781 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 23 transitions. [2022-11-02 21:10:25,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-11-02 21:10:25,785 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 21:10:25,785 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 21:10:25,786 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-02 21:10:25,795 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting fibonacciErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [fibonacciErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, fibonacciErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, fibonacciErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2022-11-02 21:10:25,796 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:10:25,796 INFO L85 PathProgramCache]: Analyzing trace with hash -1244761165, now seen corresponding path program 1 times [2022-11-02 21:10:25,796 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:10:25,796 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [831166482] [2022-11-02 21:10:25,797 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:10:25,797 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:10:25,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:25,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-02 21:10:25,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:26,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-11-02 21:10:26,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:26,082 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-11-02 21:10:26,083 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 21:10:26,083 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [831166482] [2022-11-02 21:10:26,083 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [831166482] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 21:10:26,083 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 21:10:26,084 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-02 21:10:26,084 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [283501697] [2022-11-02 21:10:26,084 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 21:10:26,084 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-02 21:10:26,085 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 21:10:26,085 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-02 21:10:26,085 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-02 21:10:26,086 INFO L87 Difference]: Start difference. First operand 20 states and 23 transitions. Second operand has 5 states, 4 states have (on average 3.5) internal successors, (14), 5 states have internal predecessors, (14), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-02 21:10:26,189 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 21:10:26,189 INFO L93 Difference]: Finished difference Result 36 states and 42 transitions. [2022-11-02 21:10:26,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-02 21:10:26,190 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 3.5) internal successors, (14), 5 states have internal predecessors, (14), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 23 [2022-11-02 21:10:26,190 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 21:10:26,191 INFO L225 Difference]: With dead ends: 36 [2022-11-02 21:10:26,195 INFO L226 Difference]: Without dead ends: 34 [2022-11-02 21:10:26,196 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-02 21:10:26,197 INFO L413 NwaCegarLoop]: 18 mSDtfsCounter, 6 mSDsluCounter, 46 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 64 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-02 21:10:26,198 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 64 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-02 21:10:26,204 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2022-11-02 21:10:26,211 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 29. [2022-11-02 21:10:26,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29 states, 21 states have (on average 1.1904761904761905) internal successors, (25), 23 states have internal predecessors, (25), 4 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (6), 4 states have call predecessors, (6), 3 states have call successors, (6) [2022-11-02 21:10:26,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 35 transitions. [2022-11-02 21:10:26,214 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 35 transitions. Word has length 23 [2022-11-02 21:10:26,214 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 21:10:26,214 INFO L495 AbstractCegarLoop]: Abstraction has 29 states and 35 transitions. [2022-11-02 21:10:26,215 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 3.5) internal successors, (14), 5 states have internal predecessors, (14), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-02 21:10:26,215 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 35 transitions. [2022-11-02 21:10:26,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-02 21:10:26,216 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 21:10:26,217 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 21:10:26,217 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-02 21:10:26,217 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting fibonacciErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [fibonacciErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, fibonacciErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, fibonacciErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2022-11-02 21:10:26,218 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:10:26,218 INFO L85 PathProgramCache]: Analyzing trace with hash 78572347, now seen corresponding path program 1 times [2022-11-02 21:10:26,218 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:10:26,219 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1951798684] [2022-11-02 21:10:26,219 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:10:26,219 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:10:26,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:26,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-02 21:10:26,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:26,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-11-02 21:10:26,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:26,465 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-11-02 21:10:26,466 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 21:10:26,466 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1951798684] [2022-11-02 21:10:26,466 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1951798684] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-02 21:10:26,467 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [259105754] [2022-11-02 21:10:26,467 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:10:26,467 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 21:10:26,467 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f22f5dd-cdeb-477b-ae7a-dbe226245889/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 21:10:26,480 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f22f5dd-cdeb-477b-ae7a-dbe226245889/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-02 21:10:26,505 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f22f5dd-cdeb-477b-ae7a-dbe226245889/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-02 21:10:26,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:26,568 INFO L263 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-02 21:10:26,589 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 21:10:26,748 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-02 21:10:26,748 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-02 21:10:27,021 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-02 21:10:27,022 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [259105754] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-02 21:10:27,022 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-02 21:10:27,022 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 7, 7] total 15 [2022-11-02 21:10:27,023 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1854515825] [2022-11-02 21:10:27,023 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-02 21:10:27,023 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-11-02 21:10:27,024 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 21:10:27,024 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-11-02 21:10:27,025 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=175, Unknown=0, NotChecked=0, Total=210 [2022-11-02 21:10:27,025 INFO L87 Difference]: Start difference. First operand 29 states and 35 transitions. Second operand has 15 states, 15 states have (on average 2.4) internal successors, (36), 15 states have internal predecessors, (36), 4 states have call successors, (5), 1 states have call predecessors, (5), 5 states have return successors, (6), 5 states have call predecessors, (6), 4 states have call successors, (6) [2022-11-02 21:10:27,441 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 21:10:27,441 INFO L93 Difference]: Finished difference Result 90 states and 128 transitions. [2022-11-02 21:10:27,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-02 21:10:27,442 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 2.4) internal successors, (36), 15 states have internal predecessors, (36), 4 states have call successors, (5), 1 states have call predecessors, (5), 5 states have return successors, (6), 5 states have call predecessors, (6), 4 states have call successors, (6) Word has length 24 [2022-11-02 21:10:27,443 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 21:10:27,444 INFO L225 Difference]: With dead ends: 90 [2022-11-02 21:10:27,444 INFO L226 Difference]: Without dead ends: 64 [2022-11-02 21:10:27,446 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 42 SyntacticMatches, 1 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=126, Invalid=380, Unknown=0, NotChecked=0, Total=506 [2022-11-02 21:10:27,448 INFO L413 NwaCegarLoop]: 11 mSDtfsCounter, 166 mSDsluCounter, 60 mSDsCounter, 0 mSdLazyCounter, 143 mSolverCounterSat, 79 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 166 SdHoareTripleChecker+Valid, 71 SdHoareTripleChecker+Invalid, 222 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 79 IncrementalHoareTripleChecker+Valid, 143 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-02 21:10:27,448 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [166 Valid, 71 Invalid, 222 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [79 Valid, 143 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-02 21:10:27,449 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2022-11-02 21:10:27,460 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 52. [2022-11-02 21:10:27,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52 states, 38 states have (on average 1.105263157894737) internal successors, (42), 41 states have internal predecessors, (42), 7 states have call successors, (7), 2 states have call predecessors, (7), 5 states have return successors, (18), 8 states have call predecessors, (18), 6 states have call successors, (18) [2022-11-02 21:10:27,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 67 transitions. [2022-11-02 21:10:27,468 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 67 transitions. Word has length 24 [2022-11-02 21:10:27,469 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 21:10:27,474 INFO L495 AbstractCegarLoop]: Abstraction has 52 states and 67 transitions. [2022-11-02 21:10:27,475 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 2.4) internal successors, (36), 15 states have internal predecessors, (36), 4 states have call successors, (5), 1 states have call predecessors, (5), 5 states have return successors, (6), 5 states have call predecessors, (6), 4 states have call successors, (6) [2022-11-02 21:10:27,475 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 67 transitions. [2022-11-02 21:10:27,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-02 21:10:27,476 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 21:10:27,476 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 21:10:27,505 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f22f5dd-cdeb-477b-ae7a-dbe226245889/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-02 21:10:27,693 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f22f5dd-cdeb-477b-ae7a-dbe226245889/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 21:10:27,694 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting fibonacciErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [fibonacciErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, fibonacciErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, fibonacciErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2022-11-02 21:10:27,694 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:10:27,694 INFO L85 PathProgramCache]: Analyzing trace with hash -1928011015, now seen corresponding path program 2 times [2022-11-02 21:10:27,695 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:10:27,697 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [940553099] [2022-11-02 21:10:27,697 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:10:27,697 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:10:27,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:27,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-02 21:10:27,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:27,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-02 21:10:27,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:27,933 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-11-02 21:10:27,934 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 21:10:27,934 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [940553099] [2022-11-02 21:10:27,934 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [940553099] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-02 21:10:27,939 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1886545352] [2022-11-02 21:10:27,939 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-02 21:10:27,940 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 21:10:27,940 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f22f5dd-cdeb-477b-ae7a-dbe226245889/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 21:10:27,942 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f22f5dd-cdeb-477b-ae7a-dbe226245889/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-02 21:10:27,970 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f22f5dd-cdeb-477b-ae7a-dbe226245889/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-02 21:10:28,002 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-11-02 21:10:28,003 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-02 21:10:28,010 INFO L263 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-02 21:10:28,013 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 21:10:28,088 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-11-02 21:10:28,089 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-02 21:10:28,090 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1886545352] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 21:10:28,092 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-02 21:10:28,093 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 8 [2022-11-02 21:10:28,093 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1030755349] [2022-11-02 21:10:28,093 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 21:10:28,095 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-02 21:10:28,095 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 21:10:28,095 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-02 21:10:28,096 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2022-11-02 21:10:28,096 INFO L87 Difference]: Start difference. First operand 52 states and 67 transitions. Second operand has 5 states, 4 states have (on average 4.0) internal successors, (16), 5 states have internal predecessors, (16), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-02 21:10:28,132 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 21:10:28,133 INFO L93 Difference]: Finished difference Result 60 states and 75 transitions. [2022-11-02 21:10:28,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-02 21:10:28,133 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 4.0) internal successors, (16), 5 states have internal predecessors, (16), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 24 [2022-11-02 21:10:28,136 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 21:10:28,140 INFO L225 Difference]: With dead ends: 60 [2022-11-02 21:10:28,140 INFO L226 Difference]: Without dead ends: 59 [2022-11-02 21:10:28,141 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2022-11-02 21:10:28,143 INFO L413 NwaCegarLoop]: 17 mSDtfsCounter, 7 mSDsluCounter, 42 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 59 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-02 21:10:28,144 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 59 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-02 21:10:28,148 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2022-11-02 21:10:28,169 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 54. [2022-11-02 21:10:28,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54 states, 40 states have (on average 1.1) internal successors, (44), 42 states have internal predecessors, (44), 7 states have call successors, (7), 2 states have call predecessors, (7), 5 states have return successors, (18), 9 states have call predecessors, (18), 6 states have call successors, (18) [2022-11-02 21:10:28,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 69 transitions. [2022-11-02 21:10:28,179 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 69 transitions. Word has length 24 [2022-11-02 21:10:28,179 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 21:10:28,179 INFO L495 AbstractCegarLoop]: Abstraction has 54 states and 69 transitions. [2022-11-02 21:10:28,180 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 4.0) internal successors, (16), 5 states have internal predecessors, (16), 2 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-02 21:10:28,180 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 69 transitions. [2022-11-02 21:10:28,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-11-02 21:10:28,197 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 21:10:28,198 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 21:10:28,240 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f22f5dd-cdeb-477b-ae7a-dbe226245889/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-02 21:10:28,418 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f22f5dd-cdeb-477b-ae7a-dbe226245889/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 21:10:28,419 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting fibonacciErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [fibonacciErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, fibonacciErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, fibonacciErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2022-11-02 21:10:28,419 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:10:28,419 INFO L85 PathProgramCache]: Analyzing trace with hash 361200733, now seen corresponding path program 1 times [2022-11-02 21:10:28,420 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:10:28,420 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1544144451] [2022-11-02 21:10:28,420 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:10:28,420 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:10:28,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:28,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-02 21:10:28,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:28,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-02 21:10:28,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:28,631 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-11-02 21:10:28,632 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 21:10:28,632 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1544144451] [2022-11-02 21:10:28,632 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1544144451] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-02 21:10:28,632 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1869758569] [2022-11-02 21:10:28,632 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:10:28,633 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 21:10:28,633 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f22f5dd-cdeb-477b-ae7a-dbe226245889/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 21:10:28,634 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f22f5dd-cdeb-477b-ae7a-dbe226245889/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-02 21:10:28,659 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f22f5dd-cdeb-477b-ae7a-dbe226245889/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-02 21:10:28,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:28,687 INFO L263 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-02 21:10:28,689 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 21:10:28,768 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-11-02 21:10:28,768 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-02 21:10:28,866 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-11-02 21:10:28,866 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1869758569] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-02 21:10:28,866 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-02 21:10:28,866 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4, 4] total 11 [2022-11-02 21:10:28,867 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [688721161] [2022-11-02 21:10:28,867 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-02 21:10:28,867 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-02 21:10:28,868 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 21:10:28,868 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-02 21:10:28,868 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2022-11-02 21:10:28,869 INFO L87 Difference]: Start difference. First operand 54 states and 69 transitions. Second operand has 12 states, 11 states have (on average 3.1818181818181817) internal successors, (35), 12 states have internal predecessors, (35), 4 states have call successors, (5), 1 states have call predecessors, (5), 5 states have return successors, (6), 4 states have call predecessors, (6), 4 states have call successors, (6) [2022-11-02 21:10:28,997 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 21:10:28,997 INFO L93 Difference]: Finished difference Result 69 states and 93 transitions. [2022-11-02 21:10:28,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-02 21:10:28,998 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 3.1818181818181817) internal successors, (35), 12 states have internal predecessors, (35), 4 states have call successors, (5), 1 states have call predecessors, (5), 5 states have return successors, (6), 4 states have call predecessors, (6), 4 states have call successors, (6) Word has length 25 [2022-11-02 21:10:28,998 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 21:10:29,000 INFO L225 Difference]: With dead ends: 69 [2022-11-02 21:10:29,000 INFO L226 Difference]: Without dead ends: 68 [2022-11-02 21:10:29,001 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=51, Invalid=131, Unknown=0, NotChecked=0, Total=182 [2022-11-02 21:10:29,002 INFO L413 NwaCegarLoop]: 27 mSDtfsCounter, 11 mSDsluCounter, 68 mSDsCounter, 0 mSdLazyCounter, 66 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 95 SdHoareTripleChecker+Invalid, 73 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 66 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-02 21:10:29,002 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 95 Invalid, 73 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 66 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-02 21:10:29,003 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2022-11-02 21:10:29,012 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 66. [2022-11-02 21:10:29,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66 states, 50 states have (on average 1.1) internal successors, (55), 51 states have internal predecessors, (55), 8 states have call successors, (8), 2 states have call predecessors, (8), 6 states have return successors, (27), 12 states have call predecessors, (27), 7 states have call successors, (27) [2022-11-02 21:10:29,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 90 transitions. [2022-11-02 21:10:29,014 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 90 transitions. Word has length 25 [2022-11-02 21:10:29,015 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 21:10:29,015 INFO L495 AbstractCegarLoop]: Abstraction has 66 states and 90 transitions. [2022-11-02 21:10:29,015 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 3.1818181818181817) internal successors, (35), 12 states have internal predecessors, (35), 4 states have call successors, (5), 1 states have call predecessors, (5), 5 states have return successors, (6), 4 states have call predecessors, (6), 4 states have call successors, (6) [2022-11-02 21:10:29,016 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 90 transitions. [2022-11-02 21:10:29,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-11-02 21:10:29,017 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 21:10:29,018 INFO L195 NwaCegarLoop]: trace histogram [6, 5, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 21:10:29,061 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f22f5dd-cdeb-477b-ae7a-dbe226245889/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-02 21:10:29,242 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f22f5dd-cdeb-477b-ae7a-dbe226245889/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2022-11-02 21:10:29,243 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting fibonacciErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [fibonacciErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, fibonacciErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, fibonacciErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2022-11-02 21:10:29,243 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:10:29,243 INFO L85 PathProgramCache]: Analyzing trace with hash -2070735929, now seen corresponding path program 1 times [2022-11-02 21:10:29,244 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:10:29,244 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1674184463] [2022-11-02 21:10:29,244 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:10:29,244 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:10:29,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:29,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 21:10:29,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:29,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:10:29,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:29,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 21:10:29,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:29,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-11-02 21:10:29,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:29,565 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2022-11-02 21:10:29,566 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 21:10:29,566 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1674184463] [2022-11-02 21:10:29,572 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1674184463] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-02 21:10:29,573 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [167681884] [2022-11-02 21:10:29,573 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:10:29,573 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 21:10:29,573 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f22f5dd-cdeb-477b-ae7a-dbe226245889/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 21:10:29,579 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f22f5dd-cdeb-477b-ae7a-dbe226245889/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-02 21:10:29,598 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f22f5dd-cdeb-477b-ae7a-dbe226245889/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-02 21:10:29,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:29,646 INFO L263 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-02 21:10:29,657 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 21:10:29,774 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 59 trivial. 0 not checked. [2022-11-02 21:10:29,774 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-02 21:10:30,074 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2022-11-02 21:10:30,074 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [167681884] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-02 21:10:30,074 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-02 21:10:30,075 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6, 7] total 13 [2022-11-02 21:10:30,075 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [906007565] [2022-11-02 21:10:30,075 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-02 21:10:30,077 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-11-02 21:10:30,077 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 21:10:30,078 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-11-02 21:10:30,078 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=133, Unknown=0, NotChecked=0, Total=182 [2022-11-02 21:10:30,079 INFO L87 Difference]: Start difference. First operand 66 states and 90 transitions. Second operand has 14 states, 13 states have (on average 2.769230769230769) internal successors, (36), 14 states have internal predecessors, (36), 3 states have call successors, (4), 1 states have call predecessors, (4), 4 states have return successors, (8), 8 states have call predecessors, (8), 3 states have call successors, (8) [2022-11-02 21:10:30,351 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 21:10:30,351 INFO L93 Difference]: Finished difference Result 137 states and 204 transitions. [2022-11-02 21:10:30,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-11-02 21:10:30,351 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 2.769230769230769) internal successors, (36), 14 states have internal predecessors, (36), 3 states have call successors, (4), 1 states have call predecessors, (4), 4 states have return successors, (8), 8 states have call predecessors, (8), 3 states have call successors, (8) Word has length 50 [2022-11-02 21:10:30,354 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 21:10:30,362 INFO L225 Difference]: With dead ends: 137 [2022-11-02 21:10:30,363 INFO L226 Difference]: Without dead ends: 136 [2022-11-02 21:10:30,366 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 101 SyntacticMatches, 2 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 98 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2022-11-02 21:10:30,367 INFO L413 NwaCegarLoop]: 24 mSDtfsCounter, 34 mSDsluCounter, 98 mSDsCounter, 0 mSdLazyCounter, 117 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 122 SdHoareTripleChecker+Invalid, 132 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 117 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-02 21:10:30,368 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [41 Valid, 122 Invalid, 132 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 117 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-02 21:10:30,371 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136 states. [2022-11-02 21:10:30,409 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136 to 98. [2022-11-02 21:10:30,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 98 states, 76 states have (on average 1.0789473684210527) internal successors, (82), 75 states have internal predecessors, (82), 11 states have call successors, (11), 2 states have call predecessors, (11), 9 states have return successors, (66), 20 states have call predecessors, (66), 10 states have call successors, (66) [2022-11-02 21:10:30,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 159 transitions. [2022-11-02 21:10:30,419 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 159 transitions. Word has length 50 [2022-11-02 21:10:30,419 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 21:10:30,419 INFO L495 AbstractCegarLoop]: Abstraction has 98 states and 159 transitions. [2022-11-02 21:10:30,420 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 2.769230769230769) internal successors, (36), 14 states have internal predecessors, (36), 3 states have call successors, (4), 1 states have call predecessors, (4), 4 states have return successors, (8), 8 states have call predecessors, (8), 3 states have call successors, (8) [2022-11-02 21:10:30,420 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 159 transitions. [2022-11-02 21:10:30,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2022-11-02 21:10:30,428 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 21:10:30,428 INFO L195 NwaCegarLoop]: trace histogram [8, 6, 5, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1] [2022-11-02 21:10:30,464 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f22f5dd-cdeb-477b-ae7a-dbe226245889/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-11-02 21:10:30,642 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f22f5dd-cdeb-477b-ae7a-dbe226245889/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 21:10:30,643 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting fibonacciErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [fibonacciErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, fibonacciErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, fibonacciErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2022-11-02 21:10:30,643 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:10:30,643 INFO L85 PathProgramCache]: Analyzing trace with hash -1000556028, now seen corresponding path program 1 times [2022-11-02 21:10:30,643 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:10:30,644 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [343527048] [2022-11-02 21:10:30,644 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:10:30,644 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:10:30,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:30,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 21:10:30,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:30,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:10:30,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:30,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:10:30,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:30,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-11-02 21:10:30,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:30,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-02 21:10:30,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:30,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-11-02 21:10:30,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:30,815 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 113 trivial. 0 not checked. [2022-11-02 21:10:30,816 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 21:10:30,816 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [343527048] [2022-11-02 21:10:30,816 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [343527048] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 21:10:30,816 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 21:10:30,816 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-02 21:10:30,817 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [121599884] [2022-11-02 21:10:30,817 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 21:10:30,817 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-02 21:10:30,817 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 21:10:30,818 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-02 21:10:30,818 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-02 21:10:30,818 INFO L87 Difference]: Start difference. First operand 98 states and 159 transitions. Second operand has 5 states, 4 states have (on average 5.75) internal successors, (23), 5 states have internal predecessors, (23), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-11-02 21:10:30,863 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 21:10:30,864 INFO L93 Difference]: Finished difference Result 111 states and 173 transitions. [2022-11-02 21:10:30,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-02 21:10:30,864 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 5.75) internal successors, (23), 5 states have internal predecessors, (23), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 69 [2022-11-02 21:10:30,865 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 21:10:30,866 INFO L225 Difference]: With dead ends: 111 [2022-11-02 21:10:30,866 INFO L226 Difference]: Without dead ends: 110 [2022-11-02 21:10:30,867 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-02 21:10:30,868 INFO L413 NwaCegarLoop]: 22 mSDtfsCounter, 5 mSDsluCounter, 34 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 56 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-02 21:10:30,868 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 56 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-02 21:10:30,869 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2022-11-02 21:10:30,882 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 98. [2022-11-02 21:10:30,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 98 states, 76 states have (on average 1.0789473684210527) internal successors, (82), 75 states have internal predecessors, (82), 11 states have call successors, (11), 2 states have call predecessors, (11), 9 states have return successors, (66), 20 states have call predecessors, (66), 10 states have call successors, (66) [2022-11-02 21:10:30,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 159 transitions. [2022-11-02 21:10:30,889 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 159 transitions. Word has length 69 [2022-11-02 21:10:30,890 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 21:10:30,891 INFO L495 AbstractCegarLoop]: Abstraction has 98 states and 159 transitions. [2022-11-02 21:10:30,891 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 5.75) internal successors, (23), 5 states have internal predecessors, (23), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-11-02 21:10:30,891 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 159 transitions. [2022-11-02 21:10:30,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-11-02 21:10:30,895 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 21:10:30,895 INFO L195 NwaCegarLoop]: trace histogram [7, 6, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1] [2022-11-02 21:10:30,895 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-02 21:10:30,896 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting fibonacciErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [fibonacciErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, fibonacciErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, fibonacciErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2022-11-02 21:10:30,896 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:10:30,896 INFO L85 PathProgramCache]: Analyzing trace with hash 229299331, now seen corresponding path program 2 times [2022-11-02 21:10:30,897 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:10:30,897 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [640692852] [2022-11-02 21:10:30,897 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:10:30,897 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:10:30,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:30,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-02 21:10:30,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:30,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:10:30,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:30,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:10:30,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:30,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 21:10:30,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:30,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-02 21:10:30,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:30,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-11-02 21:10:30,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:31,002 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2022-11-02 21:10:31,002 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 21:10:31,002 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [640692852] [2022-11-02 21:10:31,002 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [640692852] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 21:10:31,002 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 21:10:31,003 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-02 21:10:31,003 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2125868357] [2022-11-02 21:10:31,003 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 21:10:31,004 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-02 21:10:31,004 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 21:10:31,004 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-02 21:10:31,004 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-02 21:10:31,005 INFO L87 Difference]: Start difference. First operand 98 states and 159 transitions. Second operand has 5 states, 4 states have (on average 6.0) internal successors, (24), 5 states have internal predecessors, (24), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-11-02 21:10:31,035 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 21:10:31,035 INFO L93 Difference]: Finished difference Result 111 states and 173 transitions. [2022-11-02 21:10:31,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-02 21:10:31,036 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 6.0) internal successors, (24), 5 states have internal predecessors, (24), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 64 [2022-11-02 21:10:31,036 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 21:10:31,037 INFO L225 Difference]: With dead ends: 111 [2022-11-02 21:10:31,038 INFO L226 Difference]: Without dead ends: 110 [2022-11-02 21:10:31,038 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-02 21:10:31,039 INFO L413 NwaCegarLoop]: 17 mSDtfsCounter, 6 mSDsluCounter, 42 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 59 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-02 21:10:31,039 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 59 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-02 21:10:31,040 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2022-11-02 21:10:31,050 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 98. [2022-11-02 21:10:31,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 98 states, 76 states have (on average 1.0789473684210527) internal successors, (82), 75 states have internal predecessors, (82), 11 states have call successors, (11), 2 states have call predecessors, (11), 9 states have return successors, (66), 20 states have call predecessors, (66), 10 states have call successors, (66) [2022-11-02 21:10:31,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 159 transitions. [2022-11-02 21:10:31,053 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 159 transitions. Word has length 64 [2022-11-02 21:10:31,053 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 21:10:31,053 INFO L495 AbstractCegarLoop]: Abstraction has 98 states and 159 transitions. [2022-11-02 21:10:31,054 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 6.0) internal successors, (24), 5 states have internal predecessors, (24), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-11-02 21:10:31,054 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 159 transitions. [2022-11-02 21:10:31,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2022-11-02 21:10:31,056 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 21:10:31,056 INFO L195 NwaCegarLoop]: trace histogram [13, 12, 10, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 4, 3, 1, 1, 1, 1] [2022-11-02 21:10:31,056 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-02 21:10:31,056 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting fibonacciErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [fibonacciErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, fibonacciErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, fibonacciErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2022-11-02 21:10:31,057 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:10:31,057 INFO L85 PathProgramCache]: Analyzing trace with hash -26129180, now seen corresponding path program 2 times [2022-11-02 21:10:31,057 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:10:31,057 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [338236377] [2022-11-02 21:10:31,058 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:10:31,058 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:10:31,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:31,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-02 21:10:31,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:31,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:10:31,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:31,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 21:10:31,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:31,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-11-02 21:10:31,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:31,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:10:31,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:31,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:10:31,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:31,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 21:10:31,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:31,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-02 21:10:31,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:31,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:10:31,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:31,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:10:31,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:31,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 21:10:31,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:31,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-02 21:10:31,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:31,436 INFO L134 CoverageAnalysis]: Checked inductivity of 478 backedges. 61 proven. 158 refuted. 0 times theorem prover too weak. 259 trivial. 0 not checked. [2022-11-02 21:10:31,436 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 21:10:31,436 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [338236377] [2022-11-02 21:10:31,437 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [338236377] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-02 21:10:31,437 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1053768053] [2022-11-02 21:10:31,437 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-02 21:10:31,437 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 21:10:31,437 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f22f5dd-cdeb-477b-ae7a-dbe226245889/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 21:10:31,439 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f22f5dd-cdeb-477b-ae7a-dbe226245889/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-02 21:10:31,466 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f22f5dd-cdeb-477b-ae7a-dbe226245889/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-11-02 21:10:31,533 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-11-02 21:10:31,533 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-02 21:10:31,535 INFO L263 TraceCheckSpWp]: Trace formula consists of 251 conjuncts, 10 conjunts are in the unsatisfiable core [2022-11-02 21:10:31,548 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 21:10:31,679 INFO L134 CoverageAnalysis]: Checked inductivity of 478 backedges. 68 proven. 206 refuted. 0 times theorem prover too weak. 204 trivial. 0 not checked. [2022-11-02 21:10:31,679 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-02 21:10:32,210 INFO L134 CoverageAnalysis]: Checked inductivity of 478 backedges. 68 proven. 209 refuted. 0 times theorem prover too weak. 201 trivial. 0 not checked. [2022-11-02 21:10:32,210 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1053768053] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-02 21:10:32,211 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-02 21:10:32,211 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 9, 11] total 17 [2022-11-02 21:10:32,211 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [909004589] [2022-11-02 21:10:32,211 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-02 21:10:32,212 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-11-02 21:10:32,212 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 21:10:32,213 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-11-02 21:10:32,213 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=196, Unknown=0, NotChecked=0, Total=272 [2022-11-02 21:10:32,214 INFO L87 Difference]: Start difference. First operand 98 states and 159 transitions. Second operand has 17 states, 17 states have (on average 5.235294117647059) internal successors, (89), 17 states have internal predecessors, (89), 12 states have call successors, (16), 1 states have call predecessors, (16), 5 states have return successors, (16), 8 states have call predecessors, (16), 12 states have call successors, (16) [2022-11-02 21:10:32,391 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 21:10:32,391 INFO L93 Difference]: Finished difference Result 177 states and 302 transitions. [2022-11-02 21:10:32,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-02 21:10:32,392 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 5.235294117647059) internal successors, (89), 17 states have internal predecessors, (89), 12 states have call successors, (16), 1 states have call predecessors, (16), 5 states have return successors, (16), 8 states have call predecessors, (16), 12 states have call successors, (16) Word has length 122 [2022-11-02 21:10:32,393 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 21:10:32,394 INFO L225 Difference]: With dead ends: 177 [2022-11-02 21:10:32,394 INFO L226 Difference]: Without dead ends: 82 [2022-11-02 21:10:32,395 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 280 GetRequests, 256 SyntacticMatches, 5 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 116 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=136, Invalid=284, Unknown=0, NotChecked=0, Total=420 [2022-11-02 21:10:32,396 INFO L413 NwaCegarLoop]: 15 mSDtfsCounter, 70 mSDsluCounter, 44 mSDsCounter, 0 mSdLazyCounter, 103 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 73 SdHoareTripleChecker+Valid, 59 SdHoareTripleChecker+Invalid, 138 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 103 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-02 21:10:32,397 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [73 Valid, 59 Invalid, 138 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 103 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-02 21:10:32,397 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2022-11-02 21:10:32,404 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 69. [2022-11-02 21:10:32,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69 states, 54 states have (on average 1.1111111111111112) internal successors, (60), 52 states have internal predecessors, (60), 7 states have call successors, (7), 4 states have call predecessors, (7), 6 states have return successors, (26), 12 states have call predecessors, (26), 6 states have call successors, (26) [2022-11-02 21:10:32,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 93 transitions. [2022-11-02 21:10:32,405 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 93 transitions. Word has length 122 [2022-11-02 21:10:32,406 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 21:10:32,406 INFO L495 AbstractCegarLoop]: Abstraction has 69 states and 93 transitions. [2022-11-02 21:10:32,406 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 5.235294117647059) internal successors, (89), 17 states have internal predecessors, (89), 12 states have call successors, (16), 1 states have call predecessors, (16), 5 states have return successors, (16), 8 states have call predecessors, (16), 12 states have call successors, (16) [2022-11-02 21:10:32,407 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 93 transitions. [2022-11-02 21:10:32,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2022-11-02 21:10:32,408 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 21:10:32,409 INFO L195 NwaCegarLoop]: trace histogram [14, 12, 11, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 5, 5, 4, 3, 1, 1, 1, 1] [2022-11-02 21:10:32,458 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f22f5dd-cdeb-477b-ae7a-dbe226245889/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-11-02 21:10:32,629 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f22f5dd-cdeb-477b-ae7a-dbe226245889/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2022-11-02 21:10:32,629 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting fibonacciErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [fibonacciErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, fibonacciErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, fibonacciErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2022-11-02 21:10:32,629 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:10:32,630 INFO L85 PathProgramCache]: Analyzing trace with hash 1118564703, now seen corresponding path program 3 times [2022-11-02 21:10:32,630 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:10:32,630 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1432319855] [2022-11-02 21:10:32,630 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:10:32,630 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:10:32,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:32,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 21:10:32,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:32,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:10:32,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:32,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:10:32,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:32,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 21:10:32,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:32,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-02 21:10:32,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:32,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-11-02 21:10:32,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:32,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:10:32,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:32,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:10:32,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:32,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:10:32,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:32,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 21:10:32,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:32,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-02 21:10:32,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:32,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-11-02 21:10:32,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:32,955 INFO L134 CoverageAnalysis]: Checked inductivity of 532 backedges. 55 proven. 134 refuted. 0 times theorem prover too weak. 343 trivial. 0 not checked. [2022-11-02 21:10:32,955 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 21:10:32,955 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1432319855] [2022-11-02 21:10:32,956 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1432319855] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-02 21:10:32,956 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [791364134] [2022-11-02 21:10:32,956 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-02 21:10:32,956 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 21:10:32,956 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f22f5dd-cdeb-477b-ae7a-dbe226245889/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 21:10:32,958 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f22f5dd-cdeb-477b-ae7a-dbe226245889/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-02 21:10:32,979 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f22f5dd-cdeb-477b-ae7a-dbe226245889/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-11-02 21:10:33,044 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2022-11-02 21:10:33,045 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-02 21:10:33,046 INFO L263 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-02 21:10:33,055 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 21:10:33,173 INFO L134 CoverageAnalysis]: Checked inductivity of 532 backedges. 200 proven. 21 refuted. 0 times theorem prover too weak. 311 trivial. 0 not checked. [2022-11-02 21:10:33,174 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-02 21:10:33,608 INFO L134 CoverageAnalysis]: Checked inductivity of 532 backedges. 200 proven. 22 refuted. 0 times theorem prover too weak. 310 trivial. 0 not checked. [2022-11-02 21:10:33,608 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [791364134] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-02 21:10:33,608 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-02 21:10:33,608 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 9] total 17 [2022-11-02 21:10:33,609 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1466374599] [2022-11-02 21:10:33,609 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-02 21:10:33,610 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-11-02 21:10:33,610 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 21:10:33,610 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-11-02 21:10:33,610 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=204, Unknown=0, NotChecked=0, Total=272 [2022-11-02 21:10:33,611 INFO L87 Difference]: Start difference. First operand 69 states and 93 transitions. Second operand has 17 states, 17 states have (on average 4.470588235294118) internal successors, (76), 17 states have internal predecessors, (76), 7 states have call successors, (12), 1 states have call predecessors, (12), 7 states have return successors, (15), 9 states have call predecessors, (15), 7 states have call successors, (15) [2022-11-02 21:10:33,813 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 21:10:33,813 INFO L93 Difference]: Finished difference Result 124 states and 174 transitions. [2022-11-02 21:10:33,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-02 21:10:33,814 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 4.470588235294118) internal successors, (76), 17 states have internal predecessors, (76), 7 states have call successors, (12), 1 states have call predecessors, (12), 7 states have return successors, (15), 9 states have call predecessors, (15), 7 states have call successors, (15) Word has length 128 [2022-11-02 21:10:33,815 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 21:10:33,815 INFO L225 Difference]: With dead ends: 124 [2022-11-02 21:10:33,815 INFO L226 Difference]: Without dead ends: 58 [2022-11-02 21:10:33,816 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 291 GetRequests, 268 SyntacticMatches, 4 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 113 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=119, Invalid=301, Unknown=0, NotChecked=0, Total=420 [2022-11-02 21:10:33,817 INFO L413 NwaCegarLoop]: 27 mSDtfsCounter, 46 mSDsluCounter, 70 mSDsCounter, 0 mSdLazyCounter, 156 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 47 SdHoareTripleChecker+Valid, 97 SdHoareTripleChecker+Invalid, 178 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 156 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-02 21:10:33,817 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [47 Valid, 97 Invalid, 178 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 156 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-02 21:10:33,818 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2022-11-02 21:10:33,823 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 58. [2022-11-02 21:10:33,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 58 states, 45 states have (on average 1.0888888888888888) internal successors, (49), 44 states have internal predecessors, (49), 6 states have call successors, (6), 5 states have call predecessors, (6), 5 states have return successors, (12), 8 states have call predecessors, (12), 5 states have call successors, (12) [2022-11-02 21:10:33,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 67 transitions. [2022-11-02 21:10:33,825 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 67 transitions. Word has length 128 [2022-11-02 21:10:33,825 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 21:10:33,826 INFO L495 AbstractCegarLoop]: Abstraction has 58 states and 67 transitions. [2022-11-02 21:10:33,826 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 4.470588235294118) internal successors, (76), 17 states have internal predecessors, (76), 7 states have call successors, (12), 1 states have call predecessors, (12), 7 states have return successors, (15), 9 states have call predecessors, (15), 7 states have call successors, (15) [2022-11-02 21:10:33,826 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 67 transitions. [2022-11-02 21:10:33,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2022-11-02 21:10:33,828 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 21:10:33,828 INFO L195 NwaCegarLoop]: trace histogram [11, 10, 9, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 2, 1, 1, 1, 1] [2022-11-02 21:10:33,877 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f22f5dd-cdeb-477b-ae7a-dbe226245889/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-11-02 21:10:34,054 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f22f5dd-cdeb-477b-ae7a-dbe226245889/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 21:10:34,055 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting fibonacciErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [fibonacciErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, fibonacciErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, fibonacciErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2022-11-02 21:10:34,055 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:10:34,055 INFO L85 PathProgramCache]: Analyzing trace with hash 206679411, now seen corresponding path program 4 times [2022-11-02 21:10:34,055 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:10:34,055 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1046939492] [2022-11-02 21:10:34,056 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:10:34,056 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:10:34,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:34,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-02 21:10:34,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:34,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:10:34,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:34,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:10:34,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:34,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 21:10:34,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:34,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-02 21:10:34,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:34,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-11-02 21:10:34,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:34,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:10:34,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:34,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:10:34,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:34,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 21:10:34,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:34,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-02 21:10:34,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:34,482 INFO L134 CoverageAnalysis]: Checked inductivity of 332 backedges. 82 proven. 129 refuted. 0 times theorem prover too weak. 121 trivial. 0 not checked. [2022-11-02 21:10:34,483 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 21:10:34,483 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1046939492] [2022-11-02 21:10:34,483 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1046939492] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-02 21:10:34,483 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1814367251] [2022-11-02 21:10:34,484 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-11-02 21:10:34,484 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 21:10:34,484 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f22f5dd-cdeb-477b-ae7a-dbe226245889/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 21:10:34,485 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f22f5dd-cdeb-477b-ae7a-dbe226245889/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-02 21:10:34,502 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f22f5dd-cdeb-477b-ae7a-dbe226245889/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-11-02 21:10:34,556 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-11-02 21:10:34,556 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-02 21:10:34,558 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 14 conjunts are in the unsatisfiable core [2022-11-02 21:10:34,565 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 21:10:34,726 INFO L134 CoverageAnalysis]: Checked inductivity of 332 backedges. 78 proven. 158 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2022-11-02 21:10:34,727 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-02 21:10:35,467 INFO L134 CoverageAnalysis]: Checked inductivity of 332 backedges. 78 proven. 174 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2022-11-02 21:10:35,468 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1814367251] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-02 21:10:35,468 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-02 21:10:35,468 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 11, 15] total 23 [2022-11-02 21:10:35,468 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1187443774] [2022-11-02 21:10:35,469 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-02 21:10:35,470 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2022-11-02 21:10:35,470 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 21:10:35,470 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2022-11-02 21:10:35,471 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=135, Invalid=371, Unknown=0, NotChecked=0, Total=506 [2022-11-02 21:10:35,471 INFO L87 Difference]: Start difference. First operand 58 states and 67 transitions. Second operand has 23 states, 23 states have (on average 4.565217391304348) internal successors, (105), 23 states have internal predecessors, (105), 17 states have call successors, (19), 1 states have call predecessors, (19), 7 states have return successors, (22), 10 states have call predecessors, (22), 17 states have call successors, (22) [2022-11-02 21:10:35,720 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 21:10:35,720 INFO L93 Difference]: Finished difference Result 127 states and 152 transitions. [2022-11-02 21:10:35,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-11-02 21:10:35,721 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 23 states have (on average 4.565217391304348) internal successors, (105), 23 states have internal predecessors, (105), 17 states have call successors, (19), 1 states have call predecessors, (19), 7 states have return successors, (22), 10 states have call predecessors, (22), 17 states have call successors, (22) Word has length 103 [2022-11-02 21:10:35,722 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 21:10:35,723 INFO L225 Difference]: With dead ends: 127 [2022-11-02 21:10:35,723 INFO L226 Difference]: Without dead ends: 74 [2022-11-02 21:10:35,724 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 248 GetRequests, 212 SyntacticMatches, 7 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 303 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=274, Invalid=656, Unknown=0, NotChecked=0, Total=930 [2022-11-02 21:10:35,724 INFO L413 NwaCegarLoop]: 22 mSDtfsCounter, 151 mSDsluCounter, 57 mSDsCounter, 0 mSdLazyCounter, 138 mSolverCounterSat, 63 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 154 SdHoareTripleChecker+Valid, 79 SdHoareTripleChecker+Invalid, 201 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 63 IncrementalHoareTripleChecker+Valid, 138 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-02 21:10:35,725 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [154 Valid, 79 Invalid, 201 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [63 Valid, 138 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-02 21:10:35,725 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2022-11-02 21:10:35,730 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 64. [2022-11-02 21:10:35,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 64 states, 50 states have (on average 1.08) internal successors, (54), 49 states have internal predecessors, (54), 7 states have call successors, (7), 6 states have call predecessors, (7), 5 states have return successors, (11), 8 states have call predecessors, (11), 6 states have call successors, (11) [2022-11-02 21:10:35,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 72 transitions. [2022-11-02 21:10:35,732 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 72 transitions. Word has length 103 [2022-11-02 21:10:35,733 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 21:10:35,733 INFO L495 AbstractCegarLoop]: Abstraction has 64 states and 72 transitions. [2022-11-02 21:10:35,733 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 4.565217391304348) internal successors, (105), 23 states have internal predecessors, (105), 17 states have call successors, (19), 1 states have call predecessors, (19), 7 states have return successors, (22), 10 states have call predecessors, (22), 17 states have call successors, (22) [2022-11-02 21:10:35,734 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 72 transitions. [2022-11-02 21:10:35,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2022-11-02 21:10:35,735 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 21:10:35,735 INFO L195 NwaCegarLoop]: trace histogram [10, 8, 8, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 1, 1, 1, 1] [2022-11-02 21:10:35,779 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f22f5dd-cdeb-477b-ae7a-dbe226245889/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-11-02 21:10:35,950 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f22f5dd-cdeb-477b-ae7a-dbe226245889/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 21:10:35,951 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting fibonacciErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [fibonacciErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, fibonacciErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, fibonacciErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2022-11-02 21:10:35,951 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:10:35,951 INFO L85 PathProgramCache]: Analyzing trace with hash 525285519, now seen corresponding path program 3 times [2022-11-02 21:10:35,951 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:10:35,952 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [717445764] [2022-11-02 21:10:35,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:10:35,952 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:10:35,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:36,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 21:10:36,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:36,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:10:36,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:36,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:10:36,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:36,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 21:10:36,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:36,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-02 21:10:36,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:36,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-11-02 21:10:36,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:36,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:10:36,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:36,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 21:10:36,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:36,351 INFO L134 CoverageAnalysis]: Checked inductivity of 246 backedges. 38 proven. 23 refuted. 0 times theorem prover too weak. 185 trivial. 0 not checked. [2022-11-02 21:10:36,352 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 21:10:36,352 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [717445764] [2022-11-02 21:10:36,352 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [717445764] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-02 21:10:36,353 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1694372952] [2022-11-02 21:10:36,353 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-02 21:10:36,353 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 21:10:36,353 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f22f5dd-cdeb-477b-ae7a-dbe226245889/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 21:10:36,355 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f22f5dd-cdeb-477b-ae7a-dbe226245889/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-02 21:10:36,369 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f22f5dd-cdeb-477b-ae7a-dbe226245889/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-11-02 21:10:36,438 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2022-11-02 21:10:36,440 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-02 21:10:36,441 INFO L263 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-02 21:10:36,443 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 21:10:36,537 INFO L134 CoverageAnalysis]: Checked inductivity of 246 backedges. 62 proven. 5 refuted. 0 times theorem prover too weak. 179 trivial. 0 not checked. [2022-11-02 21:10:36,538 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-02 21:10:36,767 INFO L134 CoverageAnalysis]: Checked inductivity of 246 backedges. 62 proven. 5 refuted. 0 times theorem prover too weak. 179 trivial. 0 not checked. [2022-11-02 21:10:36,768 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1694372952] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-02 21:10:36,768 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-02 21:10:36,768 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 7, 7] total 14 [2022-11-02 21:10:36,768 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1113847407] [2022-11-02 21:10:36,769 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-02 21:10:36,769 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-11-02 21:10:36,770 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 21:10:36,770 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-11-02 21:10:36,771 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=160, Unknown=0, NotChecked=0, Total=210 [2022-11-02 21:10:36,771 INFO L87 Difference]: Start difference. First operand 64 states and 72 transitions. Second operand has 15 states, 14 states have (on average 3.642857142857143) internal successors, (51), 15 states have internal predecessors, (51), 5 states have call successors, (7), 1 states have call predecessors, (7), 4 states have return successors, (10), 9 states have call predecessors, (10), 5 states have call successors, (10) [2022-11-02 21:10:36,884 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 21:10:36,885 INFO L93 Difference]: Finished difference Result 64 states and 72 transitions. [2022-11-02 21:10:36,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-02 21:10:36,885 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 3.642857142857143) internal successors, (51), 15 states have internal predecessors, (51), 5 states have call successors, (7), 1 states have call predecessors, (7), 4 states have return successors, (10), 9 states have call predecessors, (10), 5 states have call successors, (10) Word has length 90 [2022-11-02 21:10:36,886 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 21:10:36,886 INFO L225 Difference]: With dead ends: 64 [2022-11-02 21:10:36,887 INFO L226 Difference]: Without dead ends: 63 [2022-11-02 21:10:36,887 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 214 GetRequests, 194 SyntacticMatches, 5 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 81 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=73, Invalid=199, Unknown=0, NotChecked=0, Total=272 [2022-11-02 21:10:36,888 INFO L413 NwaCegarLoop]: 26 mSDtfsCounter, 11 mSDsluCounter, 142 mSDsCounter, 0 mSdLazyCounter, 108 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 168 SdHoareTripleChecker+Invalid, 115 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 108 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-02 21:10:36,888 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 168 Invalid, 115 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 108 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-02 21:10:36,889 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2022-11-02 21:10:36,893 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 63. [2022-11-02 21:10:36,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63 states, 50 states have (on average 1.06) internal successors, (53), 48 states have internal predecessors, (53), 7 states have call successors, (7), 6 states have call predecessors, (7), 5 states have return successors, (11), 8 states have call predecessors, (11), 6 states have call successors, (11) [2022-11-02 21:10:36,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 71 transitions. [2022-11-02 21:10:36,894 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 71 transitions. Word has length 90 [2022-11-02 21:10:36,895 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 21:10:36,895 INFO L495 AbstractCegarLoop]: Abstraction has 63 states and 71 transitions. [2022-11-02 21:10:36,895 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 3.642857142857143) internal successors, (51), 15 states have internal predecessors, (51), 5 states have call successors, (7), 1 states have call predecessors, (7), 4 states have return successors, (10), 9 states have call predecessors, (10), 5 states have call successors, (10) [2022-11-02 21:10:36,895 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 71 transitions. [2022-11-02 21:10:36,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2022-11-02 21:10:36,898 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 21:10:36,898 INFO L195 NwaCegarLoop]: trace histogram [23, 21, 18, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 9, 9, 7, 5, 1, 1, 1, 1] [2022-11-02 21:10:36,939 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f22f5dd-cdeb-477b-ae7a-dbe226245889/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-11-02 21:10:37,118 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f22f5dd-cdeb-477b-ae7a-dbe226245889/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 21:10:37,119 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting fibonacciErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [fibonacciErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, fibonacciErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, fibonacciErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2022-11-02 21:10:37,119 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:10:37,119 INFO L85 PathProgramCache]: Analyzing trace with hash 354106258, now seen corresponding path program 5 times [2022-11-02 21:10:37,120 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:10:37,120 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1579711594] [2022-11-02 21:10:37,120 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:10:37,120 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:10:37,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:37,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-02 21:10:37,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:37,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:10:37,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:37,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:10:37,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:37,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:10:37,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:37,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 21:10:37,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:37,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-02 21:10:37,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:37,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-11-02 21:10:37,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:37,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:10:37,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:37,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 21:10:37,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:37,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2022-11-02 21:10:37,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:37,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:10:37,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:37,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:10:37,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:37,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:10:37,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:37,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 21:10:37,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:37,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-02 21:10:37,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:37,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-11-02 21:10:37,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:37,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:10:37,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:37,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 21:10:37,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:37,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2022-11-02 21:10:37,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:37,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:10:37,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:37,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 21:10:37,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:37,807 INFO L134 CoverageAnalysis]: Checked inductivity of 1590 backedges. 232 proven. 545 refuted. 0 times theorem prover too weak. 813 trivial. 0 not checked. [2022-11-02 21:10:37,808 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 21:10:37,808 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1579711594] [2022-11-02 21:10:37,808 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1579711594] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-02 21:10:37,808 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [780038676] [2022-11-02 21:10:37,809 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-11-02 21:10:37,809 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 21:10:37,809 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f22f5dd-cdeb-477b-ae7a-dbe226245889/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 21:10:37,810 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f22f5dd-cdeb-477b-ae7a-dbe226245889/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-02 21:10:37,826 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f22f5dd-cdeb-477b-ae7a-dbe226245889/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-11-02 21:10:37,932 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 9 check-sat command(s) [2022-11-02 21:10:37,933 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-02 21:10:37,935 INFO L263 TraceCheckSpWp]: Trace formula consists of 255 conjuncts, 27 conjunts are in the unsatisfiable core [2022-11-02 21:10:37,940 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 21:10:38,236 INFO L134 CoverageAnalysis]: Checked inductivity of 1590 backedges. 634 proven. 377 refuted. 0 times theorem prover too weak. 579 trivial. 0 not checked. [2022-11-02 21:10:38,237 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-02 21:10:39,156 INFO L134 CoverageAnalysis]: Checked inductivity of 1590 backedges. 295 proven. 507 refuted. 0 times theorem prover too weak. 788 trivial. 0 not checked. [2022-11-02 21:10:39,157 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [780038676] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-02 21:10:39,157 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-02 21:10:39,157 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 11, 15] total 28 [2022-11-02 21:10:39,158 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1634159992] [2022-11-02 21:10:39,158 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-02 21:10:39,160 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2022-11-02 21:10:39,160 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 21:10:39,161 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2022-11-02 21:10:39,161 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=155, Invalid=601, Unknown=0, NotChecked=0, Total=756 [2022-11-02 21:10:39,162 INFO L87 Difference]: Start difference. First operand 63 states and 71 transitions. Second operand has 28 states, 28 states have (on average 5.214285714285714) internal successors, (146), 28 states have internal predecessors, (146), 17 states have call successors, (26), 4 states have call predecessors, (26), 12 states have return successors, (30), 19 states have call predecessors, (30), 15 states have call successors, (30) [2022-11-02 21:10:39,611 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 21:10:39,611 INFO L93 Difference]: Finished difference Result 152 states and 184 transitions. [2022-11-02 21:10:39,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-11-02 21:10:39,612 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 5.214285714285714) internal successors, (146), 28 states have internal predecessors, (146), 17 states have call successors, (26), 4 states have call predecessors, (26), 12 states have return successors, (30), 19 states have call predecessors, (30), 15 states have call successors, (30) Word has length 215 [2022-11-02 21:10:39,612 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 21:10:39,613 INFO L225 Difference]: With dead ends: 152 [2022-11-02 21:10:39,613 INFO L226 Difference]: Without dead ends: 94 [2022-11-02 21:10:39,614 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 497 GetRequests, 457 SyntacticMatches, 5 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 457 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=309, Invalid=1023, Unknown=0, NotChecked=0, Total=1332 [2022-11-02 21:10:39,615 INFO L413 NwaCegarLoop]: 35 mSDtfsCounter, 221 mSDsluCounter, 139 mSDsCounter, 0 mSdLazyCounter, 328 mSolverCounterSat, 120 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 221 SdHoareTripleChecker+Valid, 174 SdHoareTripleChecker+Invalid, 448 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 120 IncrementalHoareTripleChecker+Valid, 328 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-02 21:10:39,615 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [221 Valid, 174 Invalid, 448 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [120 Valid, 328 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-02 21:10:39,616 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2022-11-02 21:10:39,624 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 78. [2022-11-02 21:10:39,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78 states, 62 states have (on average 1.064516129032258) internal successors, (66), 60 states have internal predecessors, (66), 9 states have call successors, (9), 7 states have call predecessors, (9), 6 states have return successors, (15), 10 states have call predecessors, (15), 8 states have call successors, (15) [2022-11-02 21:10:39,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 90 transitions. [2022-11-02 21:10:39,625 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 90 transitions. Word has length 215 [2022-11-02 21:10:39,626 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 21:10:39,626 INFO L495 AbstractCegarLoop]: Abstraction has 78 states and 90 transitions. [2022-11-02 21:10:39,626 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 5.214285714285714) internal successors, (146), 28 states have internal predecessors, (146), 17 states have call successors, (26), 4 states have call predecessors, (26), 12 states have return successors, (30), 19 states have call predecessors, (30), 15 states have call successors, (30) [2022-11-02 21:10:39,626 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 90 transitions. [2022-11-02 21:10:39,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2022-11-02 21:10:39,629 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 21:10:39,629 INFO L195 NwaCegarLoop]: trace histogram [15, 14, 12, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 5, 3, 1, 1, 1, 1] [2022-11-02 21:10:39,673 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f22f5dd-cdeb-477b-ae7a-dbe226245889/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2022-11-02 21:10:39,842 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f22f5dd-cdeb-477b-ae7a-dbe226245889/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2022-11-02 21:10:39,843 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting fibonacciErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [fibonacciErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, fibonacciErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, fibonacciErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2022-11-02 21:10:39,843 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:10:39,843 INFO L85 PathProgramCache]: Analyzing trace with hash 1531601075, now seen corresponding path program 6 times [2022-11-02 21:10:39,843 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:10:39,843 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1766597641] [2022-11-02 21:10:39,843 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:10:39,844 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:10:39,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:40,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-02 21:10:40,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:40,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:10:40,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:40,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:10:40,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:40,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:10:40,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:40,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 21:10:40,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:40,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-02 21:10:40,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:40,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-11-02 21:10:40,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:40,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:10:40,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:40,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 21:10:40,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:40,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-11-02 21:10:40,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:40,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:10:40,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:40,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:10:40,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:40,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 21:10:40,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:40,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-02 21:10:40,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:40,771 INFO L134 CoverageAnalysis]: Checked inductivity of 662 backedges. 78 proven. 129 refuted. 0 times theorem prover too weak. 455 trivial. 0 not checked. [2022-11-02 21:10:40,771 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 21:10:40,771 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1766597641] [2022-11-02 21:10:40,771 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1766597641] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-02 21:10:40,771 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [104212786] [2022-11-02 21:10:40,772 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-11-02 21:10:40,773 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 21:10:40,773 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f22f5dd-cdeb-477b-ae7a-dbe226245889/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 21:10:40,775 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f22f5dd-cdeb-477b-ae7a-dbe226245889/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-02 21:10:40,803 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f22f5dd-cdeb-477b-ae7a-dbe226245889/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2022-11-02 21:10:40,881 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 12 check-sat command(s) [2022-11-02 21:10:40,881 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-02 21:10:40,883 INFO L263 TraceCheckSpWp]: Trace formula consists of 288 conjuncts, 29 conjunts are in the unsatisfiable core [2022-11-02 21:10:40,886 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 21:10:41,111 INFO L134 CoverageAnalysis]: Checked inductivity of 662 backedges. 78 proven. 129 refuted. 0 times theorem prover too weak. 455 trivial. 0 not checked. [2022-11-02 21:10:41,111 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-02 21:10:42,654 INFO L134 CoverageAnalysis]: Checked inductivity of 662 backedges. 144 proven. 122 refuted. 0 times theorem prover too weak. 396 trivial. 0 not checked. [2022-11-02 21:10:42,654 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [104212786] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-02 21:10:42,654 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-02 21:10:42,655 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 17] total 26 [2022-11-02 21:10:42,655 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1662306017] [2022-11-02 21:10:42,655 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-02 21:10:42,656 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-11-02 21:10:42,656 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 21:10:42,656 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-11-02 21:10:42,657 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=168, Invalid=534, Unknown=0, NotChecked=0, Total=702 [2022-11-02 21:10:42,657 INFO L87 Difference]: Start difference. First operand 78 states and 90 transitions. Second operand has 27 states, 26 states have (on average 2.6153846153846154) internal successors, (68), 27 states have internal predecessors, (68), 7 states have call successors, (8), 1 states have call predecessors, (8), 7 states have return successors, (18), 18 states have call predecessors, (18), 7 states have call successors, (18) [2022-11-02 21:10:42,902 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 21:10:42,902 INFO L93 Difference]: Finished difference Result 131 states and 171 transitions. [2022-11-02 21:10:42,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-11-02 21:10:42,903 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 26 states have (on average 2.6153846153846154) internal successors, (68), 27 states have internal predecessors, (68), 7 states have call successors, (8), 1 states have call predecessors, (8), 7 states have return successors, (18), 18 states have call predecessors, (18), 7 states have call successors, (18) Word has length 142 [2022-11-02 21:10:42,903 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 21:10:42,905 INFO L225 Difference]: With dead ends: 131 [2022-11-02 21:10:42,905 INFO L226 Difference]: Without dead ends: 130 [2022-11-02 21:10:42,905 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 344 GetRequests, 298 SyntacticMatches, 16 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 610 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=228, Invalid=764, Unknown=0, NotChecked=0, Total=992 [2022-11-02 21:10:42,906 INFO L413 NwaCegarLoop]: 25 mSDtfsCounter, 45 mSDsluCounter, 150 mSDsCounter, 0 mSdLazyCounter, 154 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 55 SdHoareTripleChecker+Valid, 175 SdHoareTripleChecker+Invalid, 176 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 154 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-02 21:10:42,908 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [55 Valid, 175 Invalid, 176 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 154 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-02 21:10:42,908 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 130 states. [2022-11-02 21:10:42,917 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 130 to 116. [2022-11-02 21:10:42,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 116 states, 92 states have (on average 1.0434782608695652) internal successors, (96), 89 states have internal predecessors, (96), 13 states have call successors, (13), 7 states have call predecessors, (13), 10 states have return successors, (41), 19 states have call predecessors, (41), 12 states have call successors, (41) [2022-11-02 21:10:42,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 150 transitions. [2022-11-02 21:10:42,921 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 150 transitions. Word has length 142 [2022-11-02 21:10:42,922 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 21:10:42,922 INFO L495 AbstractCegarLoop]: Abstraction has 116 states and 150 transitions. [2022-11-02 21:10:42,922 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 26 states have (on average 2.6153846153846154) internal successors, (68), 27 states have internal predecessors, (68), 7 states have call successors, (8), 1 states have call predecessors, (8), 7 states have return successors, (18), 18 states have call predecessors, (18), 7 states have call successors, (18) [2022-11-02 21:10:42,922 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 150 transitions. [2022-11-02 21:10:42,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 452 [2022-11-02 21:10:42,932 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 21:10:42,933 INFO L195 NwaCegarLoop]: trace histogram [47, 45, 38, 23, 23, 23, 23, 23, 23, 23, 23, 23, 22, 22, 21, 21, 15, 9, 1, 1, 1, 1] [2022-11-02 21:10:42,978 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f22f5dd-cdeb-477b-ae7a-dbe226245889/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2022-11-02 21:10:43,154 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f22f5dd-cdeb-477b-ae7a-dbe226245889/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2022-11-02 21:10:43,155 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting fibonacciErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [fibonacciErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, fibonacciErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, fibonacciErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2022-11-02 21:10:43,155 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:10:43,155 INFO L85 PathProgramCache]: Analyzing trace with hash 753865962, now seen corresponding path program 7 times [2022-11-02 21:10:43,155 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:10:43,155 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [791856295] [2022-11-02 21:10:43,156 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:10:43,156 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:10:43,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:43,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-02 21:10:43,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:43,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:10:43,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:43,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:10:43,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:44,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:10:44,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:44,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:10:44,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:44,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 21:10:44,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:44,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-02 21:10:44,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:44,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-11-02 21:10:44,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:44,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:10:44,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:44,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 21:10:44,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:44,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-11-02 21:10:44,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:44,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:10:44,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:44,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:10:44,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:44,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 21:10:44,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:44,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-02 21:10:44,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:44,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-11-02 21:10:44,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:44,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:10:44,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:44,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:10:44,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:44,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:10:44,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:44,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:10:44,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:44,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 21:10:44,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:44,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-02 21:10:44,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:44,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-11-02 21:10:44,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:44,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:10:44,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:44,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 21:10:44,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:44,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-11-02 21:10:44,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:44,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:10:44,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:44,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:10:44,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:44,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 21:10:44,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:44,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-02 21:10:44,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:44,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2022-11-02 21:10:44,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:44,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:10:44,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:44,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:10:44,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:44,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:10:44,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:44,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:10:44,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:44,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 21:10:44,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:44,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-02 21:10:44,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:44,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-11-02 21:10:44,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:44,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:10:44,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:44,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 21:10:44,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:44,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-11-02 21:10:44,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:44,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:10:44,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:44,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:10:44,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:44,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 21:10:44,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:44,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-02 21:10:44,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:44,632 INFO L134 CoverageAnalysis]: Checked inductivity of 7288 backedges. 586 proven. 2180 refuted. 0 times theorem prover too weak. 4522 trivial. 0 not checked. [2022-11-02 21:10:44,633 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 21:10:44,633 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [791856295] [2022-11-02 21:10:44,633 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [791856295] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-02 21:10:44,633 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [177203703] [2022-11-02 21:10:44,634 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2022-11-02 21:10:44,634 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 21:10:44,634 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f22f5dd-cdeb-477b-ae7a-dbe226245889/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 21:10:44,639 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f22f5dd-cdeb-477b-ae7a-dbe226245889/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-02 21:10:44,658 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f22f5dd-cdeb-477b-ae7a-dbe226245889/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2022-11-02 21:10:44,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:44,867 INFO L263 TraceCheckSpWp]: Trace formula consists of 859 conjuncts, 22 conjunts are in the unsatisfiable core [2022-11-02 21:10:44,878 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 21:10:45,145 INFO L134 CoverageAnalysis]: Checked inductivity of 7288 backedges. 3845 proven. 1245 refuted. 0 times theorem prover too weak. 2198 trivial. 0 not checked. [2022-11-02 21:10:45,146 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-02 21:10:47,258 INFO L134 CoverageAnalysis]: Checked inductivity of 7288 backedges. 637 proven. 2493 refuted. 0 times theorem prover too weak. 4158 trivial. 0 not checked. [2022-11-02 21:10:47,258 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [177203703] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-02 21:10:47,258 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-02 21:10:47,259 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 15, 22] total 33 [2022-11-02 21:10:47,259 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [333495118] [2022-11-02 21:10:47,259 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-02 21:10:47,261 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2022-11-02 21:10:47,261 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 21:10:47,262 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2022-11-02 21:10:47,262 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=260, Invalid=796, Unknown=0, NotChecked=0, Total=1056 [2022-11-02 21:10:47,263 INFO L87 Difference]: Start difference. First operand 116 states and 150 transitions. Second operand has 33 states, 33 states have (on average 5.515151515151516) internal successors, (182), 33 states have internal predecessors, (182), 29 states have call successors, (35), 3 states have call predecessors, (35), 11 states have return successors, (44), 18 states have call predecessors, (44), 28 states have call successors, (44) [2022-11-02 21:10:47,816 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 21:10:47,816 INFO L93 Difference]: Finished difference Result 270 states and 380 transitions. [2022-11-02 21:10:47,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-11-02 21:10:47,817 INFO L78 Accepts]: Start accepts. Automaton has has 33 states, 33 states have (on average 5.515151515151516) internal successors, (182), 33 states have internal predecessors, (182), 29 states have call successors, (35), 3 states have call predecessors, (35), 11 states have return successors, (44), 18 states have call predecessors, (44), 28 states have call successors, (44) Word has length 451 [2022-11-02 21:10:47,818 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 21:10:47,819 INFO L225 Difference]: With dead ends: 270 [2022-11-02 21:10:47,819 INFO L226 Difference]: Without dead ends: 159 [2022-11-02 21:10:47,822 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1031 GetRequests, 971 SyntacticMatches, 12 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 865 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=661, Invalid=1789, Unknown=0, NotChecked=0, Total=2450 [2022-11-02 21:10:47,822 INFO L413 NwaCegarLoop]: 29 mSDtfsCounter, 299 mSDsluCounter, 117 mSDsCounter, 0 mSdLazyCounter, 288 mSolverCounterSat, 172 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 304 SdHoareTripleChecker+Valid, 146 SdHoareTripleChecker+Invalid, 460 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 172 IncrementalHoareTripleChecker+Valid, 288 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-02 21:10:47,823 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [304 Valid, 146 Invalid, 460 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [172 Valid, 288 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-02 21:10:47,823 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 159 states. [2022-11-02 21:10:47,832 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 159 to 142. [2022-11-02 21:10:47,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 142 states, 114 states have (on average 1.0614035087719298) internal successors, (121), 109 states have internal predecessors, (121), 16 states have call successors, (16), 10 states have call predecessors, (16), 11 states have return successors, (41), 22 states have call predecessors, (41), 15 states have call successors, (41) [2022-11-02 21:10:47,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 178 transitions. [2022-11-02 21:10:47,834 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 178 transitions. Word has length 451 [2022-11-02 21:10:47,835 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 21:10:47,835 INFO L495 AbstractCegarLoop]: Abstraction has 142 states and 178 transitions. [2022-11-02 21:10:47,835 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 33 states, 33 states have (on average 5.515151515151516) internal successors, (182), 33 states have internal predecessors, (182), 29 states have call successors, (35), 3 states have call predecessors, (35), 11 states have return successors, (44), 18 states have call predecessors, (44), 28 states have call successors, (44) [2022-11-02 21:10:47,836 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 178 transitions. [2022-11-02 21:10:47,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 300 [2022-11-02 21:10:47,840 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 21:10:47,841 INFO L195 NwaCegarLoop]: trace histogram [31, 30, 25, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 14, 14, 10, 6, 1, 1, 1, 1] [2022-11-02 21:10:47,884 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f22f5dd-cdeb-477b-ae7a-dbe226245889/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2022-11-02 21:10:48,066 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f22f5dd-cdeb-477b-ae7a-dbe226245889/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2022-11-02 21:10:48,067 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting fibonacciErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [fibonacciErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, fibonacciErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, fibonacciErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2022-11-02 21:10:48,067 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:10:48,067 INFO L85 PathProgramCache]: Analyzing trace with hash -93384261, now seen corresponding path program 8 times [2022-11-02 21:10:48,068 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:10:48,068 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1006579665] [2022-11-02 21:10:48,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:10:48,068 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:10:48,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:48,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-02 21:10:48,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:48,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:10:48,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:48,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:10:48,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:48,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:10:48,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:48,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:10:48,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:48,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:10:48,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:48,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 21:10:48,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:48,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-02 21:10:48,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:48,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-11-02 21:10:48,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:48,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:10:48,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:48,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 21:10:48,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:48,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-11-02 21:10:48,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:48,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:10:48,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:48,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:10:48,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:48,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 21:10:48,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:48,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-02 21:10:48,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:48,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-11-02 21:10:48,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:48,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:10:48,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:48,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:10:48,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:48,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 21:10:48,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:48,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-02 21:10:48,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:48,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-11-02 21:10:48,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:48,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:10:48,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:48,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:10:48,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:49,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:10:49,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:49,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 21:10:49,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:49,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-02 21:10:49,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:49,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-11-02 21:10:49,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:49,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:10:49,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:49,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 21:10:49,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:49,020 INFO L134 CoverageAnalysis]: Checked inductivity of 3136 backedges. 582 proven. 736 refuted. 0 times theorem prover too weak. 1818 trivial. 0 not checked. [2022-11-02 21:10:49,021 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 21:10:49,021 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1006579665] [2022-11-02 21:10:49,021 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1006579665] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-02 21:10:49,021 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [658944298] [2022-11-02 21:10:49,021 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-02 21:10:49,022 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 21:10:49,022 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f22f5dd-cdeb-477b-ae7a-dbe226245889/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 21:10:49,023 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f22f5dd-cdeb-477b-ae7a-dbe226245889/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-02 21:10:49,054 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f22f5dd-cdeb-477b-ae7a-dbe226245889/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2022-11-02 21:10:49,205 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-11-02 21:10:49,205 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-02 21:10:49,208 INFO L263 TraceCheckSpWp]: Trace formula consists of 578 conjuncts, 18 conjunts are in the unsatisfiable core [2022-11-02 21:10:49,216 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 21:10:49,448 INFO L134 CoverageAnalysis]: Checked inductivity of 3136 backedges. 1778 proven. 484 refuted. 0 times theorem prover too weak. 874 trivial. 0 not checked. [2022-11-02 21:10:49,449 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-02 21:10:51,367 INFO L134 CoverageAnalysis]: Checked inductivity of 3136 backedges. 504 proven. 1101 refuted. 0 times theorem prover too weak. 1531 trivial. 0 not checked. [2022-11-02 21:10:51,367 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [658944298] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-02 21:10:51,367 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-02 21:10:51,368 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 13, 19] total 27 [2022-11-02 21:10:51,368 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1014418548] [2022-11-02 21:10:51,368 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-02 21:10:51,369 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-11-02 21:10:51,369 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 21:10:51,370 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-11-02 21:10:51,370 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=176, Invalid=526, Unknown=0, NotChecked=0, Total=702 [2022-11-02 21:10:51,371 INFO L87 Difference]: Start difference. First operand 142 states and 178 transitions. Second operand has 27 states, 27 states have (on average 5.592592592592593) internal successors, (151), 27 states have internal predecessors, (151), 22 states have call successors, (28), 2 states have call predecessors, (28), 10 states have return successors, (36), 14 states have call predecessors, (36), 22 states have call successors, (36) [2022-11-02 21:10:51,831 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 21:10:51,831 INFO L93 Difference]: Finished difference Result 254 states and 345 transitions. [2022-11-02 21:10:51,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-11-02 21:10:51,835 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 5.592592592592593) internal successors, (151), 27 states have internal predecessors, (151), 22 states have call successors, (28), 2 states have call predecessors, (28), 10 states have return successors, (36), 14 states have call predecessors, (36), 22 states have call successors, (36) Word has length 299 [2022-11-02 21:10:51,836 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 21:10:51,837 INFO L225 Difference]: With dead ends: 254 [2022-11-02 21:10:51,837 INFO L226 Difference]: Without dead ends: 117 [2022-11-02 21:10:51,839 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 680 GetRequests, 638 SyntacticMatches, 9 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 438 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=332, Invalid=858, Unknown=0, NotChecked=0, Total=1190 [2022-11-02 21:10:51,839 INFO L413 NwaCegarLoop]: 40 mSDtfsCounter, 184 mSDsluCounter, 140 mSDsCounter, 0 mSdLazyCounter, 394 mSolverCounterSat, 127 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 185 SdHoareTripleChecker+Valid, 180 SdHoareTripleChecker+Invalid, 521 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 127 IncrementalHoareTripleChecker+Valid, 394 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-02 21:10:51,840 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [185 Valid, 180 Invalid, 521 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [127 Valid, 394 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-02 21:10:51,840 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states. [2022-11-02 21:10:51,858 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 105. [2022-11-02 21:10:51,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 105 states, 84 states have (on average 1.0357142857142858) internal successors, (87), 82 states have internal predecessors, (87), 13 states have call successors, (13), 10 states have call predecessors, (13), 7 states have return successors, (26), 12 states have call predecessors, (26), 12 states have call successors, (26) [2022-11-02 21:10:51,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 126 transitions. [2022-11-02 21:10:51,864 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 126 transitions. Word has length 299 [2022-11-02 21:10:51,865 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 21:10:51,865 INFO L495 AbstractCegarLoop]: Abstraction has 105 states and 126 transitions. [2022-11-02 21:10:51,866 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 5.592592592592593) internal successors, (151), 27 states have internal predecessors, (151), 22 states have call successors, (28), 2 states have call predecessors, (28), 10 states have return successors, (36), 14 states have call predecessors, (36), 22 states have call successors, (36) [2022-11-02 21:10:51,866 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 126 transitions. [2022-11-02 21:10:51,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 496 [2022-11-02 21:10:51,880 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 21:10:51,881 INFO L195 NwaCegarLoop]: trace histogram [51, 50, 41, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 24, 24, 16, 10, 1, 1, 1, 1] [2022-11-02 21:10:51,925 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f22f5dd-cdeb-477b-ae7a-dbe226245889/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2022-11-02 21:10:52,106 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f22f5dd-cdeb-477b-ae7a-dbe226245889/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2022-11-02 21:10:52,107 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting fibonacciErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [fibonacciErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, fibonacciErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, fibonacciErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2022-11-02 21:10:52,107 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:10:52,108 INFO L85 PathProgramCache]: Analyzing trace with hash -1147574453, now seen corresponding path program 9 times [2022-11-02 21:10:52,108 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:10:52,108 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1599971759] [2022-11-02 21:10:52,108 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:10:52,108 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:10:52,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:52,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-02 21:10:52,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:52,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:10:52,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:53,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:10:53,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:53,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:10:53,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:53,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:10:53,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:53,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:10:53,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:53,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 21:10:53,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:53,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-02 21:10:53,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:53,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-11-02 21:10:53,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:53,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:10:53,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:53,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 21:10:53,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:53,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-11-02 21:10:53,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:53,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:10:53,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:53,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:10:53,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:53,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 21:10:53,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:53,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-02 21:10:53,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:53,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-11-02 21:10:53,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:53,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:10:53,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:53,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:10:53,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:53,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:10:53,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:53,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 21:10:53,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:53,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-02 21:10:53,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:53,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-11-02 21:10:53,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:53,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:10:53,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:53,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 21:10:53,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:53,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2022-11-02 21:10:53,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:53,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:10:53,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:53,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:10:53,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:53,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:10:53,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:53,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:10:53,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:53,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:10:53,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:53,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 21:10:53,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:53,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-02 21:10:53,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:53,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-11-02 21:10:53,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:53,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:10:53,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:53,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 21:10:53,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:53,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-11-02 21:10:53,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:53,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:10:53,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:53,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:10:53,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:53,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 21:10:53,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:54,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-02 21:10:54,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:54,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-11-02 21:10:54,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:54,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:10:54,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:54,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:10:54,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:54,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:10:54,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:54,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 21:10:54,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:54,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-02 21:10:54,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:54,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-11-02 21:10:54,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:54,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:10:54,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:54,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 21:10:54,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:54,078 INFO L134 CoverageAnalysis]: Checked inductivity of 8796 backedges. 1094 proven. 2322 refuted. 0 times theorem prover too weak. 5380 trivial. 0 not checked. [2022-11-02 21:10:54,078 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 21:10:54,078 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1599971759] [2022-11-02 21:10:54,078 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1599971759] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-02 21:10:54,079 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2040269223] [2022-11-02 21:10:54,079 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-02 21:10:54,079 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 21:10:54,079 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f22f5dd-cdeb-477b-ae7a-dbe226245889/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 21:10:54,080 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f22f5dd-cdeb-477b-ae7a-dbe226245889/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-02 21:10:54,104 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f22f5dd-cdeb-477b-ae7a-dbe226245889/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2022-11-02 21:10:54,329 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 27 check-sat command(s) [2022-11-02 21:10:54,329 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-02 21:10:54,333 INFO L263 TraceCheckSpWp]: Trace formula consists of 707 conjuncts, 18 conjunts are in the unsatisfiable core [2022-11-02 21:10:54,340 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 21:10:54,547 INFO L134 CoverageAnalysis]: Checked inductivity of 8796 backedges. 1713 proven. 1024 refuted. 0 times theorem prover too weak. 6059 trivial. 0 not checked. [2022-11-02 21:10:54,547 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-02 21:10:56,384 INFO L134 CoverageAnalysis]: Checked inductivity of 8796 backedges. 1721 proven. 1063 refuted. 0 times theorem prover too weak. 6012 trivial. 0 not checked. [2022-11-02 21:10:56,384 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2040269223] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-02 21:10:56,384 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-02 21:10:56,385 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 13, 19] total 34 [2022-11-02 21:10:56,385 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [687636113] [2022-11-02 21:10:56,385 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-02 21:10:56,386 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2022-11-02 21:10:56,386 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 21:10:56,387 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2022-11-02 21:10:56,387 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=281, Invalid=841, Unknown=0, NotChecked=0, Total=1122 [2022-11-02 21:10:56,388 INFO L87 Difference]: Start difference. First operand 105 states and 126 transitions. Second operand has 34 states, 34 states have (on average 4.9411764705882355) internal successors, (168), 34 states have internal predecessors, (168), 21 states have call successors, (31), 1 states have call predecessors, (31), 12 states have return successors, (42), 27 states have call predecessors, (42), 21 states have call successors, (42) [2022-11-02 21:10:57,181 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 21:10:57,181 INFO L93 Difference]: Finished difference Result 259 states and 337 transitions. [2022-11-02 21:10:57,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-11-02 21:10:57,182 INFO L78 Accepts]: Start accepts. Automaton has has 34 states, 34 states have (on average 4.9411764705882355) internal successors, (168), 34 states have internal predecessors, (168), 21 states have call successors, (31), 1 states have call predecessors, (31), 12 states have return successors, (42), 27 states have call predecessors, (42), 21 states have call successors, (42) Word has length 495 [2022-11-02 21:10:57,187 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 21:10:57,190 INFO L225 Difference]: With dead ends: 259 [2022-11-02 21:10:57,190 INFO L226 Difference]: Without dead ends: 159 [2022-11-02 21:10:57,193 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1133 GetRequests, 1071 SyntacticMatches, 9 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1035 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=749, Invalid=2221, Unknown=0, NotChecked=0, Total=2970 [2022-11-02 21:10:57,194 INFO L413 NwaCegarLoop]: 34 mSDtfsCounter, 392 mSDsluCounter, 154 mSDsCounter, 0 mSdLazyCounter, 472 mSolverCounterSat, 249 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 396 SdHoareTripleChecker+Valid, 188 SdHoareTripleChecker+Invalid, 721 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 249 IncrementalHoareTripleChecker+Valid, 472 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-02 21:10:57,194 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [396 Valid, 188 Invalid, 721 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [249 Valid, 472 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-11-02 21:10:57,195 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 159 states. [2022-11-02 21:10:57,220 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 159 to 135. [2022-11-02 21:10:57,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 135 states, 109 states have (on average 1.0458715596330275) internal successors, (114), 106 states have internal predecessors, (114), 17 states have call successors, (17), 14 states have call predecessors, (17), 8 states have return successors, (38), 14 states have call predecessors, (38), 16 states have call successors, (38) [2022-11-02 21:10:57,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 135 states and 169 transitions. [2022-11-02 21:10:57,226 INFO L78 Accepts]: Start accepts. Automaton has 135 states and 169 transitions. Word has length 495 [2022-11-02 21:10:57,229 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 21:10:57,229 INFO L495 AbstractCegarLoop]: Abstraction has 135 states and 169 transitions. [2022-11-02 21:10:57,230 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 34 states have (on average 4.9411764705882355) internal successors, (168), 34 states have internal predecessors, (168), 21 states have call successors, (31), 1 states have call predecessors, (31), 12 states have return successors, (42), 27 states have call predecessors, (42), 21 states have call successors, (42) [2022-11-02 21:10:57,230 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 169 transitions. [2022-11-02 21:10:57,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 339 [2022-11-02 21:10:57,235 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 21:10:57,235 INFO L195 NwaCegarLoop]: trace histogram [35, 34, 28, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 16, 16, 11, 7, 1, 1, 1, 1] [2022-11-02 21:10:57,279 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f22f5dd-cdeb-477b-ae7a-dbe226245889/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2022-11-02 21:10:57,450 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f22f5dd-cdeb-477b-ae7a-dbe226245889/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2022-11-02 21:10:57,451 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting fibonacciErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [fibonacciErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, fibonacciErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, fibonacciErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2022-11-02 21:10:57,451 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:10:57,451 INFO L85 PathProgramCache]: Analyzing trace with hash -1882305975, now seen corresponding path program 10 times [2022-11-02 21:10:57,451 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:10:57,451 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [509859745] [2022-11-02 21:10:57,451 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:10:57,451 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:10:57,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:57,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-02 21:10:57,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:57,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:10:58,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:58,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:10:58,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:58,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:10:58,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:58,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:10:58,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:58,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:10:58,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:58,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 21:10:58,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:58,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-02 21:10:58,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:58,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-11-02 21:10:58,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:58,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:10:58,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:58,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 21:10:58,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:58,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-11-02 21:10:58,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:58,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:10:58,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:58,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:10:58,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:58,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 21:10:58,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:58,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-02 21:10:58,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:58,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-11-02 21:10:58,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:58,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:10:58,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:58,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:10:58,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:58,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:10:58,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:58,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 21:10:58,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:58,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-02 21:10:58,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:58,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-11-02 21:10:58,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:58,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:10:58,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:58,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 21:10:58,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:58,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2022-11-02 21:10:58,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:58,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:10:58,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:58,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:10:58,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:58,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:10:58,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:58,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 21:10:58,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:58,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-02 21:10:58,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:58,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-11-02 21:10:58,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:58,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:10:58,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:58,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 21:10:58,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:58,541 INFO L134 CoverageAnalysis]: Checked inductivity of 4034 backedges. 951 proven. 816 refuted. 0 times theorem prover too weak. 2267 trivial. 0 not checked. [2022-11-02 21:10:58,542 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 21:10:58,542 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [509859745] [2022-11-02 21:10:58,542 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [509859745] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-02 21:10:58,542 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2025962297] [2022-11-02 21:10:58,543 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-11-02 21:10:58,543 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 21:10:58,543 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f22f5dd-cdeb-477b-ae7a-dbe226245889/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 21:10:58,547 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f22f5dd-cdeb-477b-ae7a-dbe226245889/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-02 21:10:58,554 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f22f5dd-cdeb-477b-ae7a-dbe226245889/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2022-11-02 21:10:58,721 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-11-02 21:10:58,721 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-02 21:10:58,723 INFO L263 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 22 conjunts are in the unsatisfiable core [2022-11-02 21:10:58,728 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 21:10:58,947 INFO L134 CoverageAnalysis]: Checked inductivity of 4034 backedges. 840 proven. 1214 refuted. 0 times theorem prover too weak. 1980 trivial. 0 not checked. [2022-11-02 21:10:58,947 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-02 21:11:01,127 INFO L134 CoverageAnalysis]: Checked inductivity of 4034 backedges. 840 proven. 1290 refuted. 0 times theorem prover too weak. 1904 trivial. 0 not checked. [2022-11-02 21:11:01,127 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2025962297] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-02 21:11:01,128 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-02 21:11:01,128 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 15, 23] total 33 [2022-11-02 21:11:01,128 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1441016306] [2022-11-02 21:11:01,128 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-02 21:11:01,129 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2022-11-02 21:11:01,129 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 21:11:01,130 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2022-11-02 21:11:01,130 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=261, Invalid=795, Unknown=0, NotChecked=0, Total=1056 [2022-11-02 21:11:01,131 INFO L87 Difference]: Start difference. First operand 135 states and 169 transitions. Second operand has 33 states, 33 states have (on average 5.090909090909091) internal successors, (168), 33 states have internal predecessors, (168), 27 states have call successors, (31), 1 states have call predecessors, (31), 11 states have return successors, (42), 18 states have call predecessors, (42), 27 states have call successors, (42) [2022-11-02 21:11:01,677 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 21:11:01,677 INFO L93 Difference]: Finished difference Result 278 states and 363 transitions. [2022-11-02 21:11:01,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-11-02 21:11:01,678 INFO L78 Accepts]: Start accepts. Automaton has has 33 states, 33 states have (on average 5.090909090909091) internal successors, (168), 33 states have internal predecessors, (168), 27 states have call successors, (31), 1 states have call predecessors, (31), 11 states have return successors, (42), 18 states have call predecessors, (42), 27 states have call successors, (42) Word has length 338 [2022-11-02 21:11:01,679 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 21:11:01,681 INFO L225 Difference]: With dead ends: 278 [2022-11-02 21:11:01,682 INFO L226 Difference]: Without dead ends: 148 [2022-11-02 21:11:01,685 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 771 GetRequests, 719 SyntacticMatches, 11 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 731 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=483, Invalid=1323, Unknown=0, NotChecked=0, Total=1806 [2022-11-02 21:11:01,685 INFO L413 NwaCegarLoop]: 48 mSDtfsCounter, 213 mSDsluCounter, 161 mSDsCounter, 0 mSdLazyCounter, 508 mSolverCounterSat, 212 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 215 SdHoareTripleChecker+Valid, 209 SdHoareTripleChecker+Invalid, 720 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 212 IncrementalHoareTripleChecker+Valid, 508 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-02 21:11:01,686 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [215 Valid, 209 Invalid, 720 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [212 Valid, 508 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-02 21:11:01,686 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 148 states. [2022-11-02 21:11:01,693 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 148 to 124. [2022-11-02 21:11:01,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 124 states, 99 states have (on average 1.0303030303030303) internal successors, (102), 98 states have internal predecessors, (102), 16 states have call successors, (16), 12 states have call predecessors, (16), 8 states have return successors, (35), 13 states have call predecessors, (35), 15 states have call successors, (35) [2022-11-02 21:11:01,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 153 transitions. [2022-11-02 21:11:01,697 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 153 transitions. Word has length 338 [2022-11-02 21:11:01,700 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 21:11:01,700 INFO L495 AbstractCegarLoop]: Abstraction has 124 states and 153 transitions. [2022-11-02 21:11:01,701 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 33 states, 33 states have (on average 5.090909090909091) internal successors, (168), 33 states have internal predecessors, (168), 27 states have call successors, (31), 1 states have call predecessors, (31), 11 states have return successors, (42), 18 states have call predecessors, (42), 27 states have call successors, (42) [2022-11-02 21:11:01,701 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 153 transitions. [2022-11-02 21:11:01,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 398 [2022-11-02 21:11:01,703 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 21:11:01,703 INFO L195 NwaCegarLoop]: trace histogram [41, 40, 33, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 19, 19, 13, 8, 1, 1, 1, 1] [2022-11-02 21:11:01,743 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f22f5dd-cdeb-477b-ae7a-dbe226245889/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2022-11-02 21:11:01,917 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f22f5dd-cdeb-477b-ae7a-dbe226245889/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 21:11:01,918 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting fibonacciErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [fibonacciErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, fibonacciErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, fibonacciErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2022-11-02 21:11:01,918 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:11:01,918 INFO L85 PathProgramCache]: Analyzing trace with hash 990500758, now seen corresponding path program 11 times [2022-11-02 21:11:01,918 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:11:01,918 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1082663814] [2022-11-02 21:11:01,918 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:11:01,919 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:11:01,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:03,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-02 21:11:03,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:04,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:11:04,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:04,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:11:04,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:04,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:11:04,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:04,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:11:04,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:04,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:11:04,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:04,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 21:11:04,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:04,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-02 21:11:04,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:04,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-11-02 21:11:04,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:04,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:11:04,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:04,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 21:11:04,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:04,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-11-02 21:11:04,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:04,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:11:04,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:04,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:11:04,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:04,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 21:11:04,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:04,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-02 21:11:04,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:04,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-11-02 21:11:04,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:04,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:11:04,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:04,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:11:04,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:04,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:11:04,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:04,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 21:11:04,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:04,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-02 21:11:04,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:04,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-11-02 21:11:04,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:04,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:11:04,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:04,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 21:11:04,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:04,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2022-11-02 21:11:04,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:04,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:11:04,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:04,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:11:04,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:04,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:11:04,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:04,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:11:04,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:04,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 21:11:04,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:04,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-02 21:11:04,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:04,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-11-02 21:11:04,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:04,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:11:04,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:04,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 21:11:04,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:04,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-11-02 21:11:04,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:05,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:11:05,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:05,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:11:05,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:05,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 21:11:05,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:05,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-02 21:11:05,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:05,036 INFO L134 CoverageAnalysis]: Checked inductivity of 5609 backedges. 820 proven. 1093 refuted. 0 times theorem prover too weak. 3696 trivial. 0 not checked. [2022-11-02 21:11:05,036 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 21:11:05,036 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1082663814] [2022-11-02 21:11:05,036 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1082663814] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-02 21:11:05,036 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [581077041] [2022-11-02 21:11:05,037 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-11-02 21:11:05,037 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 21:11:05,037 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f22f5dd-cdeb-477b-ae7a-dbe226245889/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 21:11:05,038 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f22f5dd-cdeb-477b-ae7a-dbe226245889/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-02 21:11:05,066 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f22f5dd-cdeb-477b-ae7a-dbe226245889/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2022-11-02 21:11:05,316 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 29 check-sat command(s) [2022-11-02 21:11:05,316 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-02 21:11:05,321 INFO L263 TraceCheckSpWp]: Trace formula consists of 759 conjuncts, 81 conjunts are in the unsatisfiable core [2022-11-02 21:11:05,327 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 21:11:05,904 INFO L134 CoverageAnalysis]: Checked inductivity of 5609 backedges. 820 proven. 1093 refuted. 0 times theorem prover too weak. 3696 trivial. 0 not checked. [2022-11-02 21:11:05,904 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-02 21:11:13,658 INFO L134 CoverageAnalysis]: Checked inductivity of 5609 backedges. 1149 proven. 996 refuted. 0 times theorem prover too weak. 3464 trivial. 0 not checked. [2022-11-02 21:11:13,658 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [581077041] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-02 21:11:13,658 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-02 21:11:13,659 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 18, 29] total 40 [2022-11-02 21:11:13,659 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [958835294] [2022-11-02 21:11:13,659 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-02 21:11:13,662 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 41 states [2022-11-02 21:11:13,662 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 21:11:13,662 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants. [2022-11-02 21:11:13,663 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=367, Invalid=1273, Unknown=0, NotChecked=0, Total=1640 [2022-11-02 21:11:13,664 INFO L87 Difference]: Start difference. First operand 124 states and 153 transitions. Second operand has 41 states, 40 states have (on average 2.55) internal successors, (102), 41 states have internal predecessors, (102), 11 states have call successors, (12), 1 states have call predecessors, (12), 11 states have return successors, (28), 28 states have call predecessors, (28), 11 states have call successors, (28) [2022-11-02 21:11:13,915 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 21:11:13,915 INFO L93 Difference]: Finished difference Result 155 states and 205 transitions. [2022-11-02 21:11:13,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-11-02 21:11:13,916 INFO L78 Accepts]: Start accepts. Automaton has has 41 states, 40 states have (on average 2.55) internal successors, (102), 41 states have internal predecessors, (102), 11 states have call successors, (12), 1 states have call predecessors, (12), 11 states have return successors, (28), 28 states have call predecessors, (28), 11 states have call successors, (28) Word has length 397 [2022-11-02 21:11:13,917 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 21:11:13,918 INFO L225 Difference]: With dead ends: 155 [2022-11-02 21:11:13,919 INFO L226 Difference]: Without dead ends: 154 [2022-11-02 21:11:13,919 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 956 GetRequests, 852 SyntacticMatches, 62 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2284 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=409, Invalid=1483, Unknown=0, NotChecked=0, Total=1892 [2022-11-02 21:11:13,920 INFO L413 NwaCegarLoop]: 24 mSDtfsCounter, 79 mSDsluCounter, 177 mSDsCounter, 0 mSdLazyCounter, 200 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 91 SdHoareTripleChecker+Valid, 201 SdHoareTripleChecker+Invalid, 243 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 200 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-02 21:11:13,920 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [91 Valid, 201 Invalid, 243 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 200 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-02 21:11:13,921 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 154 states. [2022-11-02 21:11:13,929 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 154 to 144. [2022-11-02 21:11:13,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 144 states, 115 states have (on average 1.0260869565217392) internal successors, (118), 113 states have internal predecessors, (118), 18 states have call successors, (18), 12 states have call predecessors, (18), 10 states have return successors, (55), 18 states have call predecessors, (55), 17 states have call successors, (55) [2022-11-02 21:11:13,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 191 transitions. [2022-11-02 21:11:13,931 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 191 transitions. Word has length 397 [2022-11-02 21:11:13,932 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 21:11:13,932 INFO L495 AbstractCegarLoop]: Abstraction has 144 states and 191 transitions. [2022-11-02 21:11:13,933 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 41 states, 40 states have (on average 2.55) internal successors, (102), 41 states have internal predecessors, (102), 11 states have call successors, (12), 1 states have call predecessors, (12), 11 states have return successors, (28), 28 states have call predecessors, (28), 11 states have call successors, (28) [2022-11-02 21:11:13,933 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 191 transitions. [2022-11-02 21:11:13,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1229 [2022-11-02 21:11:13,946 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 21:11:13,947 INFO L195 NwaCegarLoop]: trace histogram [127, 123, 103, 64, 64, 64, 64, 62, 62, 62, 62, 62, 61, 61, 60, 60, 39, 24, 1, 1, 1, 1] [2022-11-02 21:11:13,972 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f22f5dd-cdeb-477b-ae7a-dbe226245889/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2022-11-02 21:11:14,154 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f22f5dd-cdeb-477b-ae7a-dbe226245889/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 21:11:14,155 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting fibonacciErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [fibonacciErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, fibonacciErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, fibonacciErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2022-11-02 21:11:14,155 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:11:14,155 INFO L85 PathProgramCache]: Analyzing trace with hash -1943526731, now seen corresponding path program 12 times [2022-11-02 21:11:14,155 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:11:14,155 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [166413941] [2022-11-02 21:11:14,156 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:11:14,156 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:11:14,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:15,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 21:11:15,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:15,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:11:15,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:16,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:11:16,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:16,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:11:16,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:16,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:11:16,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:16,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:11:16,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:16,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:11:16,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:16,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 21:11:16,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:16,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-02 21:11:16,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:16,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-11-02 21:11:16,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:16,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:11:16,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:16,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 21:11:16,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:16,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-11-02 21:11:16,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:16,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:11:16,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:16,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:11:16,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:16,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 21:11:16,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:16,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-02 21:11:16,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:16,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-11-02 21:11:16,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:16,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:11:16,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:16,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:11:16,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:16,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:11:16,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:16,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 21:11:16,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:16,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-02 21:11:16,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:16,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-11-02 21:11:16,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:16,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:11:16,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:16,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 21:11:16,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:16,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2022-11-02 21:11:16,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:16,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:11:16,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:16,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:11:16,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:16,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:11:16,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:16,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:11:16,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:16,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 21:11:16,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:16,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-02 21:11:16,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:16,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-11-02 21:11:16,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:16,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:11:16,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:16,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 21:11:16,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:16,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-11-02 21:11:16,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:16,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:11:16,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:16,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:11:16,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:16,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 21:11:16,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:16,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-02 21:11:16,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:16,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 427 [2022-11-02 21:11:16,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:16,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:11:16,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:17,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:11:17,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:17,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:11:17,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:17,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:11:17,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:17,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:11:17,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:17,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:11:17,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:17,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 21:11:17,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:17,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-02 21:11:17,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:17,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-11-02 21:11:17,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:17,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:11:17,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:17,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 21:11:17,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:17,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-11-02 21:11:17,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:17,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:11:17,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:17,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:11:17,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:17,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 21:11:17,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:17,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-02 21:11:17,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:17,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-11-02 21:11:17,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:17,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:11:17,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:17,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:11:17,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:17,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:11:17,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:17,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 21:11:17,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:17,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-02 21:11:17,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:17,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-11-02 21:11:17,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:17,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:11:17,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:17,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 21:11:17,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:17,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2022-11-02 21:11:17,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:17,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:11:17,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:17,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:11:17,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:17,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:11:17,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:17,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:11:17,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:17,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 21:11:17,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:17,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-02 21:11:17,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:17,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-11-02 21:11:17,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:17,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:11:17,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:17,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 21:11:17,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:17,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-11-02 21:11:17,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:17,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:11:17,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:17,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:11:17,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:17,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 21:11:17,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:17,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-02 21:11:17,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:17,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 828 [2022-11-02 21:11:17,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:17,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:11:17,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:17,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:11:17,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:17,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:11:17,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:17,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:11:17,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:17,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:11:17,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:17,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:11:17,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:17,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 21:11:17,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:17,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-02 21:11:17,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:17,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-11-02 21:11:17,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:17,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:11:17,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:17,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 21:11:17,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:17,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-11-02 21:11:17,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:17,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:11:17,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:17,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:11:17,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:17,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 21:11:17,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:17,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-02 21:11:17,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:17,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-11-02 21:11:17,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:17,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:11:17,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:17,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:11:17,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:17,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:11:17,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:17,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 21:11:17,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:17,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-02 21:11:17,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:17,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-11-02 21:11:17,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:17,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:11:17,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:17,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 21:11:17,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:17,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2022-11-02 21:11:17,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:17,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:11:17,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:17,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:11:17,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:17,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:11:17,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:17,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:11:17,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:17,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 21:11:17,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:17,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-02 21:11:17,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:17,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-11-02 21:11:17,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:17,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:11:17,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:17,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 21:11:17,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:17,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-11-02 21:11:17,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:17,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:11:17,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:17,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:11:17,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:17,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 21:11:17,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:17,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-02 21:11:17,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:17,818 INFO L134 CoverageAnalysis]: Checked inductivity of 55303 backedges. 2734 proven. 9180 refuted. 0 times theorem prover too weak. 43389 trivial. 0 not checked. [2022-11-02 21:11:17,818 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 21:11:17,819 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [166413941] [2022-11-02 21:11:17,819 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [166413941] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-02 21:11:17,819 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [379839094] [2022-11-02 21:11:17,819 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-11-02 21:11:17,819 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 21:11:17,820 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f22f5dd-cdeb-477b-ae7a-dbe226245889/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 21:11:17,821 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f22f5dd-cdeb-477b-ae7a-dbe226245889/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-02 21:11:17,822 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f22f5dd-cdeb-477b-ae7a-dbe226245889/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2022-11-02 21:11:18,466 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 62 check-sat command(s) [2022-11-02 21:11:18,466 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-02 21:11:18,473 INFO L263 TraceCheckSpWp]: Trace formula consists of 1534 conjuncts, 30 conjunts are in the unsatisfiable core [2022-11-02 21:11:18,490 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 21:11:18,842 INFO L134 CoverageAnalysis]: Checked inductivity of 55303 backedges. 28420 proven. 4291 refuted. 0 times theorem prover too weak. 22592 trivial. 0 not checked. [2022-11-02 21:11:18,842 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-02 21:11:22,661 INFO L134 CoverageAnalysis]: Checked inductivity of 55303 backedges. 4070 proven. 8972 refuted. 0 times theorem prover too weak. 42261 trivial. 0 not checked. [2022-11-02 21:11:22,661 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [379839094] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-02 21:11:22,661 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-02 21:11:22,662 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 20, 31] total 46 [2022-11-02 21:11:22,662 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1382357506] [2022-11-02 21:11:22,663 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-02 21:11:22,665 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 46 states [2022-11-02 21:11:22,665 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 21:11:22,666 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 46 interpolants. [2022-11-02 21:11:22,667 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=449, Invalid=1621, Unknown=0, NotChecked=0, Total=2070 [2022-11-02 21:11:22,667 INFO L87 Difference]: Start difference. First operand 144 states and 191 transitions. Second operand has 46 states, 46 states have (on average 5.456521739130435) internal successors, (251), 46 states have internal predecessors, (251), 39 states have call successors, (49), 5 states have call predecessors, (49), 16 states have return successors, (63), 29 states have call predecessors, (63), 36 states have call successors, (63) [2022-11-02 21:11:24,012 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 21:11:24,012 INFO L93 Difference]: Finished difference Result 386 states and 580 transitions. [2022-11-02 21:11:24,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2022-11-02 21:11:24,013 INFO L78 Accepts]: Start accepts. Automaton has has 46 states, 46 states have (on average 5.456521739130435) internal successors, (251), 46 states have internal predecessors, (251), 39 states have call successors, (49), 5 states have call predecessors, (49), 16 states have return successors, (63), 29 states have call predecessors, (63), 36 states have call successors, (63) Word has length 1228 [2022-11-02 21:11:24,014 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 21:11:24,016 INFO L225 Difference]: With dead ends: 386 [2022-11-02 21:11:24,016 INFO L226 Difference]: Without dead ends: 247 [2022-11-02 21:11:24,020 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2772 GetRequests, 2674 SyntacticMatches, 14 SemanticMatches, 84 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2595 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=1714, Invalid=5596, Unknown=0, NotChecked=0, Total=7310 [2022-11-02 21:11:24,020 INFO L413 NwaCegarLoop]: 42 mSDtfsCounter, 832 mSDsluCounter, 180 mSDsCounter, 0 mSdLazyCounter, 662 mSolverCounterSat, 574 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 832 SdHoareTripleChecker+Valid, 222 SdHoareTripleChecker+Invalid, 1236 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 574 IncrementalHoareTripleChecker+Valid, 662 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-11-02 21:11:24,021 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [832 Valid, 222 Invalid, 1236 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [574 Valid, 662 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-11-02 21:11:24,021 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 247 states. [2022-11-02 21:11:24,033 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 247 to 218. [2022-11-02 21:11:24,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 218 states, 177 states have (on average 1.03954802259887) internal successors, (184), 172 states have internal predecessors, (184), 28 states have call successors, (28), 22 states have call predecessors, (28), 12 states have return successors, (84), 23 states have call predecessors, (84), 27 states have call successors, (84) [2022-11-02 21:11:24,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 218 states and 296 transitions. [2022-11-02 21:11:24,036 INFO L78 Accepts]: Start accepts. Automaton has 218 states and 296 transitions. Word has length 1228 [2022-11-02 21:11:24,037 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 21:11:24,037 INFO L495 AbstractCegarLoop]: Abstraction has 218 states and 296 transitions. [2022-11-02 21:11:24,038 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 46 states, 46 states have (on average 5.456521739130435) internal successors, (251), 46 states have internal predecessors, (251), 39 states have call successors, (49), 5 states have call predecessors, (49), 16 states have return successors, (63), 29 states have call predecessors, (63), 36 states have call successors, (63) [2022-11-02 21:11:24,038 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 296 transitions. [2022-11-02 21:11:24,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 816 [2022-11-02 21:11:24,044 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 21:11:24,045 INFO L195 NwaCegarLoop]: trace histogram [84, 82, 68, 42, 42, 42, 42, 41, 41, 41, 41, 41, 41, 41, 40, 40, 26, 16, 1, 1, 1, 1] [2022-11-02 21:11:24,087 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f22f5dd-cdeb-477b-ae7a-dbe226245889/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2022-11-02 21:11:24,258 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f22f5dd-cdeb-477b-ae7a-dbe226245889/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable20 [2022-11-02 21:11:24,258 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting fibonacciErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [fibonacciErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, fibonacciErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, fibonacciErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2022-11-02 21:11:24,259 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:11:24,259 INFO L85 PathProgramCache]: Analyzing trace with hash -420615276, now seen corresponding path program 13 times [2022-11-02 21:11:24,259 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:11:24,259 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [443675341] [2022-11-02 21:11:24,259 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:11:24,259 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:11:24,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:25,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 21:11:25,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:26,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:11:26,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:26,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:11:26,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:26,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:11:26,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:26,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:11:26,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:26,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:11:26,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:26,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:11:26,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:26,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:11:26,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:26,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 21:11:26,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:26,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-02 21:11:26,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:26,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-11-02 21:11:26,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:26,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:11:26,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:26,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 21:11:26,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:26,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-11-02 21:11:26,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:26,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:11:26,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:26,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:11:26,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:26,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 21:11:26,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:26,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-02 21:11:26,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:26,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-11-02 21:11:26,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:26,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:11:26,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:26,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:11:26,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:26,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:11:26,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:26,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 21:11:26,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:26,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-02 21:11:26,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:26,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-11-02 21:11:26,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:26,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:11:26,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:26,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 21:11:26,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:26,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2022-11-02 21:11:26,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:26,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:11:26,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:26,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:11:26,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:26,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:11:26,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:26,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:11:26,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:26,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 21:11:26,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:26,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-02 21:11:26,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:26,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-11-02 21:11:26,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:26,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:11:26,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:26,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 21:11:26,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:26,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-11-02 21:11:26,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:26,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:11:26,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:26,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:11:26,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:26,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 21:11:26,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:26,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-02 21:11:26,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:26,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 406 [2022-11-02 21:11:26,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:26,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:11:27,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:27,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:11:27,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:27,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:11:27,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:27,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:11:27,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:27,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 21:11:27,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:27,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-02 21:11:27,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:27,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-11-02 21:11:27,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:27,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:11:27,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:27,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 21:11:27,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:27,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-11-02 21:11:27,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:27,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:11:27,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:27,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:11:27,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:27,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 21:11:27,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:27,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-02 21:11:27,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:27,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 572 [2022-11-02 21:11:27,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:27,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:11:27,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:27,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:11:27,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:27,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:11:27,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:27,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:11:27,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:27,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:11:27,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:27,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 21:11:27,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:27,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-02 21:11:27,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:27,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-11-02 21:11:27,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:27,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:11:27,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:27,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 21:11:27,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:27,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-11-02 21:11:27,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:27,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:11:27,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:27,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:11:27,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:27,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 21:11:27,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:27,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-02 21:11:27,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:27,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-11-02 21:11:27,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:27,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:11:27,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:27,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:11:27,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:27,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:11:27,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:27,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 21:11:27,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:27,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-02 21:11:27,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:27,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-11-02 21:11:27,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:27,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:11:27,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:27,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 21:11:27,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:27,350 INFO L134 CoverageAnalysis]: Checked inductivity of 24175 backedges. 2384 proven. 4185 refuted. 0 times theorem prover too weak. 17606 trivial. 0 not checked. [2022-11-02 21:11:27,350 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 21:11:27,350 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [443675341] [2022-11-02 21:11:27,350 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [443675341] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-02 21:11:27,351 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1819015556] [2022-11-02 21:11:27,351 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2022-11-02 21:11:27,351 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 21:11:27,351 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f22f5dd-cdeb-477b-ae7a-dbe226245889/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 21:11:27,355 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f22f5dd-cdeb-477b-ae7a-dbe226245889/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-02 21:11:27,384 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f22f5dd-cdeb-477b-ae7a-dbe226245889/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2022-11-02 21:11:27,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:27,772 INFO L263 TraceCheckSpWp]: Trace formula consists of 1530 conjuncts, 26 conjunts are in the unsatisfiable core [2022-11-02 21:11:27,781 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 21:11:28,031 INFO L134 CoverageAnalysis]: Checked inductivity of 24175 backedges. 12343 proven. 2667 refuted. 0 times theorem prover too weak. 9165 trivial. 0 not checked. [2022-11-02 21:11:28,031 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-02 21:11:31,951 INFO L134 CoverageAnalysis]: Checked inductivity of 24175 backedges. 2261 proven. 5308 refuted. 0 times theorem prover too weak. 16606 trivial. 0 not checked. [2022-11-02 21:11:31,951 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1819015556] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-02 21:11:31,951 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-02 21:11:31,952 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 17, 27] total 39 [2022-11-02 21:11:31,952 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [526783303] [2022-11-02 21:11:31,952 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-02 21:11:31,955 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 39 states [2022-11-02 21:11:31,955 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 21:11:31,955 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2022-11-02 21:11:31,956 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=362, Invalid=1120, Unknown=0, NotChecked=0, Total=1482 [2022-11-02 21:11:31,957 INFO L87 Difference]: Start difference. First operand 218 states and 296 transitions. Second operand has 39 states, 39 states have (on average 5.410256410256411) internal successors, (211), 39 states have internal predecessors, (211), 34 states have call successors, (40), 2 states have call predecessors, (40), 14 states have return successors, (56), 22 states have call predecessors, (56), 34 states have call successors, (56) [2022-11-02 21:11:32,820 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 21:11:32,821 INFO L93 Difference]: Finished difference Result 438 states and 619 transitions. [2022-11-02 21:11:32,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-11-02 21:11:32,822 INFO L78 Accepts]: Start accepts. Automaton has has 39 states, 39 states have (on average 5.410256410256411) internal successors, (211), 39 states have internal predecessors, (211), 34 states have call successors, (40), 2 states have call predecessors, (40), 14 states have return successors, (56), 22 states have call predecessors, (56), 34 states have call successors, (56) Word has length 815 [2022-11-02 21:11:32,824 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 21:11:32,826 INFO L225 Difference]: With dead ends: 438 [2022-11-02 21:11:32,826 INFO L226 Difference]: Without dead ends: 225 [2022-11-02 21:11:32,832 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1828 GetRequests, 1766 SyntacticMatches, 13 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1103 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=662, Invalid=1888, Unknown=0, NotChecked=0, Total=2550 [2022-11-02 21:11:32,833 INFO L413 NwaCegarLoop]: 55 mSDtfsCounter, 452 mSDsluCounter, 237 mSDsCounter, 0 mSdLazyCounter, 757 mSolverCounterSat, 404 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 454 SdHoareTripleChecker+Valid, 292 SdHoareTripleChecker+Invalid, 1161 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 404 IncrementalHoareTripleChecker+Valid, 757 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-11-02 21:11:32,834 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [454 Valid, 292 Invalid, 1161 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [404 Valid, 757 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-11-02 21:11:32,835 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 225 states. [2022-11-02 21:11:32,856 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 225 to 189. [2022-11-02 21:11:32,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 189 states, 153 states have (on average 1.0326797385620916) internal successors, (158), 150 states have internal predecessors, (158), 25 states have call successors, (25), 20 states have call predecessors, (25), 10 states have return successors, (63), 18 states have call predecessors, (63), 24 states have call successors, (63) [2022-11-02 21:11:32,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 189 states and 246 transitions. [2022-11-02 21:11:32,859 INFO L78 Accepts]: Start accepts. Automaton has 189 states and 246 transitions. Word has length 815 [2022-11-02 21:11:32,860 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 21:11:32,860 INFO L495 AbstractCegarLoop]: Abstraction has 189 states and 246 transitions. [2022-11-02 21:11:32,861 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 39 states, 39 states have (on average 5.410256410256411) internal successors, (211), 39 states have internal predecessors, (211), 34 states have call successors, (40), 2 states have call predecessors, (40), 14 states have return successors, (56), 22 states have call predecessors, (56), 34 states have call successors, (56) [2022-11-02 21:11:32,861 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 246 transitions. [2022-11-02 21:11:32,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 908 [2022-11-02 21:11:32,870 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 21:11:32,871 INFO L195 NwaCegarLoop]: trace histogram [93, 92, 75, 46, 46, 46, 46, 46, 46, 46, 46, 46, 46, 46, 45, 45, 29, 18, 1, 1, 1, 1] [2022-11-02 21:11:32,919 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f22f5dd-cdeb-477b-ae7a-dbe226245889/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2022-11-02 21:11:33,086 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f22f5dd-cdeb-477b-ae7a-dbe226245889/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2022-11-02 21:11:33,087 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting fibonacciErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [fibonacciErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, fibonacciErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, fibonacciErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2022-11-02 21:11:33,087 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:11:33,087 INFO L85 PathProgramCache]: Analyzing trace with hash 1417969372, now seen corresponding path program 14 times [2022-11-02 21:11:33,087 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:11:33,087 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [587625979] [2022-11-02 21:11:33,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:11:33,088 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:11:33,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:34,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-02 21:11:34,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:34,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:11:34,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:34,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:11:34,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:35,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:11:35,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:35,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:11:35,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:35,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:11:35,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:35,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:11:35,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:35,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:11:35,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:35,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 21:11:35,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:35,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-02 21:11:35,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:35,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-11-02 21:11:35,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:35,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:11:35,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:35,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 21:11:35,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:35,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-11-02 21:11:35,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:35,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:11:35,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:35,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:11:35,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:35,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 21:11:35,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:35,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-02 21:11:35,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:35,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-11-02 21:11:35,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:35,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:11:35,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:35,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:11:35,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:35,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:11:35,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:35,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 21:11:35,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:35,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-02 21:11:35,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:35,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-11-02 21:11:35,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:35,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:11:35,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:35,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 21:11:35,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:35,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2022-11-02 21:11:35,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:35,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:11:35,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:35,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:11:35,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:35,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:11:35,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:35,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:11:35,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:35,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 21:11:35,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:35,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-02 21:11:35,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:35,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-11-02 21:11:35,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:35,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:11:35,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:35,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 21:11:35,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:35,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-11-02 21:11:35,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:35,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:11:35,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:35,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:11:35,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:35,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 21:11:35,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:35,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-02 21:11:35,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:35,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 406 [2022-11-02 21:11:35,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:35,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:11:35,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:35,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:11:35,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:35,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:11:35,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:35,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:11:35,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:35,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:11:35,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:35,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 21:11:35,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:35,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-02 21:11:35,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:35,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-11-02 21:11:35,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:35,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:11:35,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:35,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 21:11:35,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:35,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-11-02 21:11:35,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:35,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:11:35,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:35,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:11:35,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:35,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 21:11:35,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:35,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-02 21:11:35,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:35,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-11-02 21:11:35,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:35,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:11:35,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:35,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:11:35,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:35,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:11:35,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:35,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 21:11:35,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:35,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-02 21:11:35,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:35,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-11-02 21:11:35,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:35,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:11:35,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:35,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 21:11:35,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:35,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 664 [2022-11-02 21:11:35,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:35,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:11:35,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:35,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:11:35,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:35,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:11:35,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:35,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:11:35,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:35,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:11:35,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:35,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 21:11:35,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:35,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-02 21:11:35,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:35,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-11-02 21:11:35,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:35,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:11:35,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:35,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 21:11:35,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:35,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-11-02 21:11:35,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:35,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:11:35,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:35,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:11:35,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:35,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 21:11:35,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:35,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-02 21:11:36,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:36,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-11-02 21:11:36,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:36,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:11:36,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:36,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:11:36,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:36,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:11:36,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:36,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 21:11:36,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:36,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-02 21:11:36,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:36,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-11-02 21:11:36,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:36,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:11:36,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:36,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 21:11:36,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:36,045 INFO L134 CoverageAnalysis]: Checked inductivity of 30008 backedges. 3898 proven. 4351 refuted. 0 times theorem prover too weak. 21759 trivial. 0 not checked. [2022-11-02 21:11:36,045 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 21:11:36,046 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [587625979] [2022-11-02 21:11:36,046 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [587625979] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-02 21:11:36,046 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1923686935] [2022-11-02 21:11:36,046 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-02 21:11:36,046 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 21:11:36,047 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f22f5dd-cdeb-477b-ae7a-dbe226245889/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 21:11:36,051 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f22f5dd-cdeb-477b-ae7a-dbe226245889/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-02 21:11:36,057 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f22f5dd-cdeb-477b-ae7a-dbe226245889/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2022-11-02 21:11:36,540 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-11-02 21:11:36,540 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-02 21:11:36,546 INFO L263 TraceCheckSpWp]: Trace formula consists of 1701 conjuncts, 30 conjunts are in the unsatisfiable core [2022-11-02 21:11:36,556 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 21:11:36,859 INFO L134 CoverageAnalysis]: Checked inductivity of 30008 backedges. 3735 proven. 5527 refuted. 0 times theorem prover too weak. 20746 trivial. 0 not checked. [2022-11-02 21:11:36,859 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-02 21:11:41,272 INFO L134 CoverageAnalysis]: Checked inductivity of 30008 backedges. 3735 proven. 5699 refuted. 0 times theorem prover too weak. 20574 trivial. 0 not checked. [2022-11-02 21:11:41,273 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1923686935] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-02 21:11:41,274 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-02 21:11:41,274 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 19, 31] total 45 [2022-11-02 21:11:41,274 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1006559350] [2022-11-02 21:11:41,275 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-02 21:11:41,280 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 45 states [2022-11-02 21:11:41,280 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 21:11:41,280 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 45 interpolants. [2022-11-02 21:11:41,281 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=479, Invalid=1501, Unknown=0, NotChecked=0, Total=1980 [2022-11-02 21:11:41,282 INFO L87 Difference]: Start difference. First operand 189 states and 246 transitions. Second operand has 45 states, 45 states have (on average 5.066666666666666) internal successors, (228), 45 states have internal predecessors, (228), 39 states have call successors, (43), 1 states have call predecessors, (43), 15 states have return successors, (62), 26 states have call predecessors, (62), 39 states have call successors, (62) [2022-11-02 21:11:42,192 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 21:11:42,192 INFO L93 Difference]: Finished difference Result 398 states and 537 transitions. [2022-11-02 21:11:42,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-11-02 21:11:42,193 INFO L78 Accepts]: Start accepts. Automaton has has 45 states, 45 states have (on average 5.066666666666666) internal successors, (228), 45 states have internal predecessors, (228), 39 states have call successors, (43), 1 states have call predecessors, (43), 15 states have return successors, (62), 26 states have call predecessors, (62), 39 states have call successors, (62) Word has length 907 [2022-11-02 21:11:42,194 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 21:11:42,196 INFO L225 Difference]: With dead ends: 398 [2022-11-02 21:11:42,197 INFO L226 Difference]: Without dead ends: 214 [2022-11-02 21:11:42,200 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2037 GetRequests, 1965 SyntacticMatches, 15 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1549 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=869, Invalid=2553, Unknown=0, NotChecked=0, Total=3422 [2022-11-02 21:11:42,201 INFO L413 NwaCegarLoop]: 62 mSDtfsCounter, 419 mSDsluCounter, 322 mSDsCounter, 0 mSdLazyCounter, 1034 mSolverCounterSat, 432 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 421 SdHoareTripleChecker+Valid, 384 SdHoareTripleChecker+Invalid, 1466 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 432 IncrementalHoareTripleChecker+Valid, 1034 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-11-02 21:11:42,201 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [421 Valid, 384 Invalid, 1466 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [432 Valid, 1034 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-11-02 21:11:42,202 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 214 states. [2022-11-02 21:11:42,215 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 214 to 166. [2022-11-02 21:11:42,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 166 states, 133 states have (on average 1.0225563909774436) internal successors, (136), 132 states have internal predecessors, (136), 22 states have call successors, (22), 16 states have call predecessors, (22), 10 states have return successors, (56), 17 states have call predecessors, (56), 21 states have call successors, (56) [2022-11-02 21:11:42,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 166 states and 214 transitions. [2022-11-02 21:11:42,219 INFO L78 Accepts]: Start accepts. Automaton has 166 states and 214 transitions. Word has length 907 [2022-11-02 21:11:42,220 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 21:11:42,220 INFO L495 AbstractCegarLoop]: Abstraction has 166 states and 214 transitions. [2022-11-02 21:11:42,221 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 45 states, 45 states have (on average 5.066666666666666) internal successors, (228), 45 states have internal predecessors, (228), 39 states have call successors, (43), 1 states have call predecessors, (43), 15 states have return successors, (62), 26 states have call predecessors, (62), 39 states have call successors, (62) [2022-11-02 21:11:42,221 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 214 transitions. [2022-11-02 21:11:42,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1071 [2022-11-02 21:11:42,232 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 21:11:42,233 INFO L195 NwaCegarLoop]: trace histogram [110, 108, 89, 55, 55, 55, 55, 54, 54, 54, 54, 54, 54, 54, 53, 53, 34, 21, 1, 1, 1, 1] [2022-11-02 21:11:42,279 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f22f5dd-cdeb-477b-ae7a-dbe226245889/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Forceful destruction successful, exit code 0 [2022-11-02 21:11:42,458 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f22f5dd-cdeb-477b-ae7a-dbe226245889/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable22 [2022-11-02 21:11:42,459 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting fibonacciErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [fibonacciErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, fibonacciErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, fibonacciErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2022-11-02 21:11:42,459 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:11:42,459 INFO L85 PathProgramCache]: Analyzing trace with hash 1548695715, now seen corresponding path program 15 times [2022-11-02 21:11:42,459 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:11:42,459 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1636278226] [2022-11-02 21:11:42,460 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:11:42,460 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:11:42,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:50,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 21:11:50,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:52,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:11:52,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:52,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:11:52,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:53,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:11:53,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:53,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:11:53,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:53,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:11:53,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:53,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:11:53,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:53,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:11:53,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:53,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 21:11:53,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:53,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-02 21:11:53,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:53,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-11-02 21:11:53,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:53,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:11:53,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:53,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 21:11:53,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:53,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-11-02 21:11:53,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:53,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:11:53,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:53,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:11:53,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:53,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 21:11:53,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:53,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-02 21:11:53,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:53,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-11-02 21:11:53,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:53,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:11:53,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:53,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:11:53,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:53,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:11:53,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:53,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 21:11:53,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:53,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-02 21:11:53,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:53,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-11-02 21:11:53,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:53,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:11:53,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:53,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 21:11:53,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:53,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2022-11-02 21:11:53,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:53,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:11:53,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:53,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:11:53,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:53,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:11:53,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:53,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:11:53,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:53,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 21:11:53,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:53,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-02 21:11:53,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:53,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-11-02 21:11:53,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:54,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:11:54,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:54,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 21:11:54,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:54,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-11-02 21:11:54,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:54,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:11:54,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:54,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:11:54,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:54,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 21:11:54,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:54,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-02 21:11:54,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:54,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 406 [2022-11-02 21:11:54,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:54,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:11:54,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:54,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:11:54,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:54,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:11:54,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:54,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:11:54,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:54,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:11:54,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:54,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 21:11:54,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:54,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-02 21:11:54,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:54,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-11-02 21:11:54,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:54,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:11:54,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:54,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 21:11:54,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:54,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-11-02 21:11:54,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:54,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:11:54,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:54,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:11:54,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:54,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 21:11:54,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:54,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-02 21:11:54,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:54,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-11-02 21:11:54,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:54,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:11:54,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:54,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:11:54,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:54,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:11:54,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:54,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 21:11:54,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:54,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-02 21:11:54,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:54,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-11-02 21:11:54,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:54,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:11:54,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:54,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 21:11:54,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:54,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 670 [2022-11-02 21:11:54,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:55,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:11:55,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:56,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:11:56,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:56,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:11:56,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:56,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:11:56,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:56,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:11:56,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:56,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:11:56,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:56,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 21:11:56,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:56,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-02 21:11:56,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:56,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-11-02 21:11:56,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:56,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:11:56,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:56,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 21:11:56,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:56,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-11-02 21:11:56,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:56,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:11:56,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:56,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:11:56,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:56,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 21:11:56,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:56,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-02 21:11:56,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:56,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-11-02 21:11:56,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:56,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:11:56,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:56,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:11:56,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:56,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:11:56,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:56,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 21:11:56,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:56,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-02 21:11:56,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:56,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-11-02 21:11:56,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:56,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:11:56,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:56,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 21:11:56,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:56,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2022-11-02 21:11:56,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:56,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:11:56,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:56,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:11:56,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:56,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:11:56,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:56,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:11:56,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:56,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 21:11:56,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:56,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-02 21:11:56,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:56,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-11-02 21:11:56,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:56,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:11:56,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:56,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 21:11:56,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:56,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-11-02 21:11:56,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:56,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:11:56,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:56,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:11:56,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:56,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 21:11:56,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:56,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-02 21:11:56,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:56,647 INFO L134 CoverageAnalysis]: Checked inductivity of 41881 backedges. 6686 proven. 7802 refuted. 0 times theorem prover too weak. 27393 trivial. 0 not checked. [2022-11-02 21:11:56,647 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 21:11:56,647 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1636278226] [2022-11-02 21:11:56,647 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1636278226] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-02 21:11:56,647 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1757404673] [2022-11-02 21:11:56,648 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-02 21:11:56,648 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 21:11:56,648 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f22f5dd-cdeb-477b-ae7a-dbe226245889/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 21:11:56,649 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f22f5dd-cdeb-477b-ae7a-dbe226245889/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-02 21:11:56,650 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f22f5dd-cdeb-477b-ae7a-dbe226245889/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2022-11-02 21:11:57,473 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 76 check-sat command(s) [2022-11-02 21:11:57,473 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-02 21:11:57,483 INFO L263 TraceCheckSpWp]: Trace formula consists of 2001 conjuncts, 217 conjunts are in the unsatisfiable core [2022-11-02 21:11:57,498 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 21:11:58,737 INFO L134 CoverageAnalysis]: Checked inductivity of 41881 backedges. 6686 proven. 7802 refuted. 0 times theorem prover too weak. 27393 trivial. 0 not checked. [2022-11-02 21:11:58,737 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-02 21:12:45,317 INFO L134 CoverageAnalysis]: Checked inductivity of 41881 backedges. 7863 proven. 7339 refuted. 0 times theorem prover too weak. 26679 trivial. 0 not checked. [2022-11-02 21:12:45,318 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1757404673] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-02 21:12:45,318 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-02 21:12:45,318 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 24, 41] total 54 [2022-11-02 21:12:45,319 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [761252269] [2022-11-02 21:12:45,319 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-02 21:12:45,322 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 55 states [2022-11-02 21:12:45,322 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 21:12:45,323 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 55 interpolants. [2022-11-02 21:12:45,323 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=642, Invalid=2328, Unknown=0, NotChecked=0, Total=2970 [2022-11-02 21:12:45,324 INFO L87 Difference]: Start difference. First operand 166 states and 214 transitions. Second operand has 55 states, 54 states have (on average 2.5185185185185186) internal successors, (136), 55 states have internal predecessors, (136), 15 states have call successors, (16), 1 states have call predecessors, (16), 15 states have return successors, (38), 38 states have call predecessors, (38), 15 states have call successors, (38) [2022-11-02 21:12:45,603 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 21:12:45,603 INFO L93 Difference]: Finished difference Result 197 states and 270 transitions. [2022-11-02 21:12:45,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-11-02 21:12:45,604 INFO L78 Accepts]: Start accepts. Automaton has has 55 states, 54 states have (on average 2.5185185185185186) internal successors, (136), 55 states have internal predecessors, (136), 15 states have call successors, (16), 1 states have call predecessors, (16), 15 states have return successors, (38), 38 states have call predecessors, (38), 15 states have call successors, (38) Word has length 1070 [2022-11-02 21:12:45,607 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 21:12:45,609 INFO L225 Difference]: With dead ends: 197 [2022-11-02 21:12:45,609 INFO L226 Difference]: Without dead ends: 196 [2022-11-02 21:12:45,611 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2574 GetRequests, 2326 SyntacticMatches, 192 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7496 ImplicationChecksByTransitivity, 3.3s TimeCoverageRelationStatistics Valid=694, Invalid=2612, Unknown=0, NotChecked=0, Total=3306 [2022-11-02 21:12:45,612 INFO L413 NwaCegarLoop]: 30 mSDtfsCounter, 77 mSDsluCounter, 192 mSDsCounter, 0 mSdLazyCounter, 242 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 90 SdHoareTripleChecker+Valid, 222 SdHoareTripleChecker+Invalid, 277 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 242 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-02 21:12:45,612 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [90 Valid, 222 Invalid, 277 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 242 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-02 21:12:45,613 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 196 states. [2022-11-02 21:12:45,628 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 196 to 186. [2022-11-02 21:12:45,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 186 states, 149 states have (on average 1.0201342281879195) internal successors, (152), 147 states have internal predecessors, (152), 24 states have call successors, (24), 16 states have call predecessors, (24), 12 states have return successors, (80), 22 states have call predecessors, (80), 23 states have call successors, (80) [2022-11-02 21:12:45,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 186 states and 256 transitions. [2022-11-02 21:12:45,631 INFO L78 Accepts]: Start accepts. Automaton has 186 states and 256 transitions. Word has length 1070 [2022-11-02 21:12:45,633 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 21:12:45,633 INFO L495 AbstractCegarLoop]: Abstraction has 186 states and 256 transitions. [2022-11-02 21:12:45,633 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 55 states, 54 states have (on average 2.5185185185185186) internal successors, (136), 55 states have internal predecessors, (136), 15 states have call successors, (16), 1 states have call predecessors, (16), 15 states have return successors, (38), 38 states have call predecessors, (38), 15 states have call successors, (38) [2022-11-02 21:12:45,634 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 256 transitions. [2022-11-02 21:12:45,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2144 [2022-11-02 21:12:45,701 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 21:12:45,702 INFO L195 NwaCegarLoop]: trace histogram [219, 218, 177, 109, 109, 109, 109, 109, 109, 109, 109, 109, 109, 109, 108, 108, 68, 42, 1, 1, 1, 1] [2022-11-02 21:12:45,747 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f22f5dd-cdeb-477b-ae7a-dbe226245889/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Forceful destruction successful, exit code 0 [2022-11-02 21:12:45,918 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f22f5dd-cdeb-477b-ae7a-dbe226245889/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable23 [2022-11-02 21:12:45,918 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting fibonacciErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [fibonacciErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, fibonacciErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, fibonacciErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2022-11-02 21:12:45,920 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:12:45,920 INFO L85 PathProgramCache]: Analyzing trace with hash -1145388997, now seen corresponding path program 16 times [2022-11-02 21:12:45,920 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:12:45,920 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [803208315] [2022-11-02 21:12:45,921 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:12:45,921 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:12:46,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:12:48,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-02 21:12:49,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:12:49,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:12:49,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:12:50,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:12:50,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:12:50,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:12:50,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:12:50,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:12:50,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:12:50,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:12:50,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:12:50,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:12:50,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:12:50,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:12:50,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:12:50,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:12:50,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:12:50,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 21:12:50,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:12:50,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-02 21:12:50,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:12:50,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-11-02 21:12:50,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:12:50,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:12:50,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:12:50,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 21:12:50,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:12:50,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-11-02 21:12:51,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:12:51,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:12:51,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:12:51,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:12:51,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:12:51,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 21:12:51,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:12:51,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-02 21:12:51,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:12:51,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-11-02 21:12:51,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:12:51,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:12:51,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:12:51,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:12:51,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:12:51,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:12:51,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:12:51,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 21:12:51,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:12:51,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-02 21:12:51,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:12:51,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-11-02 21:12:51,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:12:51,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:12:51,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:12:51,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 21:12:51,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:12:51,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2022-11-02 21:12:51,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:12:51,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:12:51,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:12:51,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:12:51,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:12:51,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:12:51,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:12:51,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:12:51,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:12:51,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 21:12:51,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:12:51,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-02 21:12:51,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:12:51,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-11-02 21:12:51,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:12:51,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:12:51,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:12:51,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 21:12:51,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:12:51,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-11-02 21:12:51,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:12:51,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:12:51,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:12:51,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:12:51,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:12:51,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 21:12:51,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:12:51,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-02 21:12:51,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:12:51,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 406 [2022-11-02 21:12:51,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:12:51,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:12:51,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:12:51,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:12:51,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:12:51,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:12:51,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:12:51,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:12:51,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:12:51,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:12:51,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:12:51,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 21:12:51,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:12:51,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-02 21:12:51,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:12:51,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-11-02 21:12:51,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:12:51,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:12:51,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:12:51,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 21:12:51,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:12:51,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-11-02 21:12:51,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:12:51,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:12:51,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:12:51,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:12:51,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:12:51,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 21:12:51,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:12:51,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-02 21:12:51,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:12:51,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-11-02 21:12:51,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:12:51,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:12:51,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:12:51,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:12:51,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:12:51,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:12:51,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:12:51,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 21:12:51,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:12:51,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-02 21:12:51,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:12:51,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-11-02 21:12:51,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:12:51,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:12:51,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:12:51,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 21:12:51,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:12:51,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 661 [2022-11-02 21:12:51,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:12:51,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:12:51,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:12:51,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:12:51,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:12:51,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:12:51,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:12:51,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:12:51,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:12:51,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:12:51,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:12:51,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:12:51,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:12:51,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 21:12:51,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:12:51,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-02 21:12:51,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:12:51,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-11-02 21:12:51,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:12:51,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:12:51,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:12:51,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 21:12:51,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:12:51,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-11-02 21:12:51,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:12:51,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:12:51,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:12:51,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:12:51,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:12:51,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 21:12:51,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:12:51,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-02 21:12:51,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:12:51,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-11-02 21:12:51,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:12:51,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:12:51,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:12:51,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:12:51,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:12:51,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:12:51,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:12:51,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 21:12:51,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:12:51,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-02 21:12:51,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:12:51,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-11-02 21:12:51,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:12:51,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:12:51,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:12:51,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 21:12:51,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:12:51,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2022-11-02 21:12:51,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:12:51,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:12:51,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:12:51,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:12:51,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:12:51,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:12:51,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:12:51,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:12:51,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:12:51,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 21:12:51,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:12:51,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-02 21:12:51,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:12:51,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-11-02 21:12:51,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:12:51,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:12:51,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:12:51,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 21:12:51,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:12:51,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-11-02 21:12:51,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:12:51,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:12:51,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:12:51,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:12:51,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:12:51,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 21:12:51,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:12:51,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-02 21:12:51,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:12:51,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1076 [2022-11-02 21:12:51,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:12:52,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:12:52,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:12:53,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:12:53,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:12:53,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:12:53,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:12:53,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:12:53,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:12:53,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:12:53,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:12:53,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:12:53,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:12:53,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:12:53,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:12:53,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:12:53,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:12:53,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 21:12:53,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:12:53,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-02 21:12:53,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:12:53,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-11-02 21:12:53,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:12:53,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:12:53,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:12:53,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 21:12:53,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:12:53,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-11-02 21:12:53,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:12:53,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:12:53,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:12:53,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:12:53,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:12:53,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 21:12:53,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:12:53,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-02 21:12:53,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:12:53,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-11-02 21:12:53,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:12:53,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:12:53,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:12:53,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:12:53,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:12:53,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:12:53,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:12:53,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 21:12:53,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:12:53,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-02 21:12:53,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:12:53,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-11-02 21:12:53,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:12:53,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:12:53,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:12:53,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 21:12:53,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:12:53,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2022-11-02 21:12:53,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:12:53,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:12:53,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:12:53,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:12:53,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:12:53,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:12:53,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:12:53,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:12:53,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:12:53,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 21:12:53,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:12:53,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-02 21:12:53,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:12:53,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-11-02 21:12:53,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:12:53,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:12:53,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:12:53,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 21:12:53,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:12:53,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-11-02 21:12:53,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:12:53,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:12:53,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:12:53,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:12:53,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:12:53,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 21:12:53,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:12:53,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-02 21:12:53,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:12:53,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 406 [2022-11-02 21:12:53,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:12:53,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:12:53,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:12:53,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:12:53,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:12:53,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:12:53,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:12:53,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:12:53,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:12:53,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:12:53,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:12:53,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 21:12:53,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:12:53,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-02 21:12:53,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:12:53,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-11-02 21:12:53,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:12:53,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:12:53,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:12:53,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 21:12:53,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:12:53,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-11-02 21:12:53,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:12:53,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:12:53,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:12:53,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:12:53,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:12:53,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 21:12:53,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:12:53,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-02 21:12:53,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:12:53,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-11-02 21:12:53,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:12:53,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:12:53,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:12:53,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:12:53,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:12:53,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:12:53,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:12:53,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 21:12:53,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:12:53,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-02 21:12:53,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:12:53,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-11-02 21:12:53,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:12:53,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:12:53,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:12:53,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 21:12:53,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:12:53,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 661 [2022-11-02 21:12:53,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:12:54,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:12:54,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:12:54,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:12:54,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:12:54,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:12:54,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:12:54,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:12:54,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:12:54,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:12:54,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:12:54,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:12:54,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:12:54,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 21:12:54,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:12:54,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-02 21:12:54,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:12:54,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-11-02 21:12:54,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:12:54,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:12:54,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:12:54,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 21:12:54,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:12:54,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-11-02 21:12:54,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:12:54,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:12:54,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:12:54,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:12:54,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:12:54,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 21:12:54,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:12:54,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-02 21:12:54,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:12:54,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-11-02 21:12:54,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:12:54,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:12:54,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:12:54,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:12:54,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:12:54,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:12:54,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:12:54,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 21:12:54,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:12:54,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-02 21:12:54,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:12:54,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-11-02 21:12:54,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:12:54,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:12:54,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:12:54,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 21:12:54,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:12:54,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2022-11-02 21:12:54,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:12:54,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:12:54,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:12:54,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:12:54,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:12:54,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:12:54,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:12:54,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:12:54,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:12:54,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 21:12:54,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:12:54,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-02 21:12:54,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:12:54,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-11-02 21:12:54,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:12:54,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:12:54,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:12:54,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 21:12:54,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:12:54,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-11-02 21:12:54,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:12:54,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:12:54,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:12:54,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:12:54,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:12:54,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 21:12:54,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:12:54,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-02 21:12:54,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:12:54,326 INFO L134 CoverageAnalysis]: Checked inductivity of 169376 backedges. 8613 proven. 19350 refuted. 0 times theorem prover too weak. 141413 trivial. 0 not checked. [2022-11-02 21:12:54,326 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 21:12:54,327 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [803208315] [2022-11-02 21:12:54,327 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [803208315] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-02 21:12:54,327 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1769031634] [2022-11-02 21:12:54,327 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-11-02 21:12:54,327 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 21:12:54,328 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f22f5dd-cdeb-477b-ae7a-dbe226245889/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 21:12:54,329 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f22f5dd-cdeb-477b-ae7a-dbe226245889/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-02 21:12:54,354 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f22f5dd-cdeb-477b-ae7a-dbe226245889/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2022-11-02 21:12:55,597 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-11-02 21:12:55,597 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-02 21:12:55,609 INFO L263 TraceCheckSpWp]: Trace formula consists of 2654 conjuncts, 38 conjunts are in the unsatisfiable core [2022-11-02 21:12:55,633 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 21:12:56,140 INFO L134 CoverageAnalysis]: Checked inductivity of 169376 backedges. 9753 proven. 20851 refuted. 0 times theorem prover too weak. 138772 trivial. 0 not checked. [2022-11-02 21:12:56,140 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-02 21:13:05,700 INFO L134 CoverageAnalysis]: Checked inductivity of 169376 backedges. 9753 proven. 21155 refuted. 0 times theorem prover too weak. 138468 trivial. 0 not checked. [2022-11-02 21:13:05,701 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1769031634] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-02 21:13:05,701 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-02 21:13:05,702 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [35, 23, 39] total 57 [2022-11-02 21:13:05,702 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [287732779] [2022-11-02 21:13:05,702 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-02 21:13:05,707 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 57 states [2022-11-02 21:13:05,708 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 21:13:05,708 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 57 interpolants. [2022-11-02 21:13:05,709 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=757, Invalid=2435, Unknown=0, NotChecked=0, Total=3192 [2022-11-02 21:13:05,710 INFO L87 Difference]: Start difference. First operand 186 states and 256 transitions. Second operand has 57 states, 57 states have (on average 5.052631578947368) internal successors, (288), 57 states have internal predecessors, (288), 51 states have call successors, (55), 1 states have call predecessors, (55), 19 states have return successors, (82), 34 states have call predecessors, (82), 51 states have call successors, (82) [2022-11-02 21:13:07,589 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 21:13:07,589 INFO L93 Difference]: Finished difference Result 430 states and 657 transitions. [2022-11-02 21:13:07,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2022-11-02 21:13:07,594 INFO L78 Accepts]: Start accepts. Automaton has has 57 states, 57 states have (on average 5.052631578947368) internal successors, (288), 57 states have internal predecessors, (288), 51 states have call successors, (55), 1 states have call predecessors, (55), 19 states have return successors, (82), 34 states have call predecessors, (82), 51 states have call successors, (82) Word has length 2143 [2022-11-02 21:13:07,596 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 21:13:07,603 INFO L225 Difference]: With dead ends: 430 [2022-11-02 21:13:07,604 INFO L226 Difference]: Without dead ends: 249 [2022-11-02 21:13:07,611 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4790 GetRequests, 4682 SyntacticMatches, 19 SemanticMatches, 89 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3373 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=1948, Invalid=6242, Unknown=0, NotChecked=0, Total=8190 [2022-11-02 21:13:07,614 INFO L413 NwaCegarLoop]: 63 mSDtfsCounter, 652 mSDsluCounter, 311 mSDsCounter, 0 mSdLazyCounter, 1232 mSolverCounterSat, 766 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 656 SdHoareTripleChecker+Valid, 374 SdHoareTripleChecker+Invalid, 1998 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 766 IncrementalHoareTripleChecker+Valid, 1232 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-11-02 21:13:07,615 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [656 Valid, 374 Invalid, 1998 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [766 Valid, 1232 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-11-02 21:13:07,616 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 249 states. [2022-11-02 21:13:07,636 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 249 to 236. [2022-11-02 21:13:07,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 236 states, 191 states have (on average 1.0261780104712042) internal successors, (196), 187 states have internal predecessors, (196), 31 states have call successors, (31), 23 states have call predecessors, (31), 13 states have return successors, (95), 25 states have call predecessors, (95), 30 states have call successors, (95) [2022-11-02 21:13:07,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 236 states and 322 transitions. [2022-11-02 21:13:07,640 INFO L78 Accepts]: Start accepts. Automaton has 236 states and 322 transitions. Word has length 2143 [2022-11-02 21:13:07,641 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 21:13:07,641 INFO L495 AbstractCegarLoop]: Abstraction has 236 states and 322 transitions. [2022-11-02 21:13:07,642 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 57 states, 57 states have (on average 5.052631578947368) internal successors, (288), 57 states have internal predecessors, (288), 51 states have call successors, (55), 1 states have call predecessors, (55), 19 states have return successors, (82), 34 states have call predecessors, (82), 51 states have call successors, (82) [2022-11-02 21:13:07,642 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 322 transitions. [2022-11-02 21:13:07,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2150 [2022-11-02 21:13:07,682 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 21:13:07,682 INFO L195 NwaCegarLoop]: trace histogram [220, 218, 178, 110, 110, 110, 110, 109, 109, 109, 109, 109, 109, 109, 108, 108, 68, 42, 1, 1, 1, 1] [2022-11-02 21:13:07,717 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f22f5dd-cdeb-477b-ae7a-dbe226245889/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Forceful destruction successful, exit code 0 [2022-11-02 21:13:07,883 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f22f5dd-cdeb-477b-ae7a-dbe226245889/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2022-11-02 21:13:07,883 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting fibonacciErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [fibonacciErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, fibonacciErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, fibonacciErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2022-11-02 21:13:07,883 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:13:07,884 INFO L85 PathProgramCache]: Analyzing trace with hash -688856802, now seen corresponding path program 17 times [2022-11-02 21:13:07,884 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:13:07,884 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [420765993] [2022-11-02 21:13:07,884 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:13:07,884 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:13:08,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:13:11,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 21:13:12,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:13:13,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:13:14,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:13:14,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:13:14,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:13:15,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:13:15,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:13:15,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:13:15,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:13:15,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:13:15,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:13:15,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:13:15,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:13:15,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:13:15,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:13:15,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:13:15,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:13:15,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:13:15,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:13:15,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 21:13:15,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:13:15,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-02 21:13:15,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:13:15,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-11-02 21:13:15,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:13:15,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:13:15,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:13:15,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 21:13:15,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:13:15,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-11-02 21:13:15,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:13:15,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:13:15,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:13:15,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:13:15,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:13:15,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 21:13:15,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:13:15,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-02 21:13:15,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:13:15,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-11-02 21:13:15,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:13:16,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:13:16,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:13:16,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:13:16,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:13:16,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:13:16,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:13:16,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 21:13:16,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:13:16,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-02 21:13:16,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:13:16,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-11-02 21:13:16,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:13:16,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:13:16,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:13:16,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 21:13:16,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:13:16,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2022-11-02 21:13:16,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:13:16,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:13:16,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:13:16,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:13:16,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:13:16,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:13:16,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:13:16,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:13:16,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:13:16,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 21:13:16,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:13:16,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-02 21:13:16,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:13:16,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-11-02 21:13:16,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:13:16,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:13:16,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:13:16,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 21:13:16,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:13:16,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-11-02 21:13:16,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:13:16,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:13:16,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:13:16,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:13:16,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:13:16,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 21:13:16,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:13:16,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-02 21:13:16,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:13:16,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 406 [2022-11-02 21:13:16,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:13:16,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:13:16,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:13:16,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:13:16,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:13:16,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:13:16,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:13:16,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:13:16,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:13:16,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:13:16,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:13:16,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 21:13:16,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:13:16,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-02 21:13:16,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:13:16,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-11-02 21:13:16,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:13:16,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:13:16,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:13:16,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 21:13:16,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:13:16,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-11-02 21:13:16,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:13:16,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:13:16,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:13:16,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:13:16,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:13:16,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 21:13:16,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:13:16,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-02 21:13:16,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:13:16,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-11-02 21:13:16,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:13:16,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:13:16,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:13:16,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:13:16,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:13:16,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:13:16,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:13:16,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 21:13:16,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:13:16,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-02 21:13:16,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:13:16,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-11-02 21:13:16,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:13:16,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:13:16,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:13:16,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 21:13:16,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:13:16,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 661 [2022-11-02 21:13:16,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:13:16,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:13:16,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:13:16,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:13:16,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:13:16,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:13:16,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:13:16,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:13:16,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:13:16,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:13:16,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:13:16,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:13:16,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:13:16,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 21:13:16,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:13:16,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-02 21:13:16,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:13:16,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-11-02 21:13:16,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:13:16,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:13:16,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:13:16,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 21:13:16,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:13:16,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-11-02 21:13:16,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:13:16,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:13:16,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:13:16,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:13:16,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:13:16,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 21:13:16,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:13:16,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-02 21:13:16,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:13:16,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-11-02 21:13:16,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:13:16,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:13:16,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:13:16,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:13:16,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:13:16,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:13:16,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:13:16,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 21:13:16,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:13:16,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-02 21:13:16,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:13:16,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-11-02 21:13:16,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:13:16,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:13:16,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:13:16,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 21:13:16,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:13:16,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2022-11-02 21:13:16,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:13:16,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:13:16,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:13:16,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:13:16,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:13:16,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:13:16,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:13:16,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:13:16,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:13:16,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 21:13:16,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:13:16,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-02 21:13:16,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:13:16,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-11-02 21:13:16,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:13:16,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:13:16,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:13:16,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 21:13:16,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:13:16,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-11-02 21:13:16,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:13:16,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:13:16,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:13:16,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:13:16,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:13:16,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 21:13:16,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:13:16,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-02 21:13:16,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:13:16,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1073 [2022-11-02 21:13:16,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:13:16,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:13:16,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:13:17,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:13:17,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:13:17,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:13:17,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:13:17,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:13:17,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:13:17,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:13:17,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:13:17,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:13:17,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:13:17,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 21:13:17,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:13:17,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-02 21:13:17,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:13:17,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-11-02 21:13:17,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:13:17,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:13:17,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:13:17,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 21:13:17,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:13:17,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-11-02 21:13:17,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:13:17,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:13:17,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:13:17,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:13:17,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:13:17,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 21:13:17,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:13:17,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-02 21:13:17,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:13:17,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-11-02 21:13:17,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:13:17,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:13:17,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:13:17,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:13:17,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:13:17,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:13:17,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:13:17,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 21:13:17,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:13:17,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-02 21:13:17,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:13:17,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-11-02 21:13:17,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:13:17,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:13:17,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:13:17,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 21:13:17,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:13:17,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2022-11-02 21:13:17,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:13:17,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:13:17,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:13:17,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:13:17,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:13:17,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:13:17,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:13:17,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:13:17,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:13:17,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 21:13:17,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:13:17,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-02 21:13:17,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:13:17,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-11-02 21:13:17,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:13:17,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:13:17,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:13:17,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 21:13:17,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:13:17,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-11-02 21:13:17,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:13:17,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:13:17,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:13:17,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:13:17,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:13:17,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 21:13:17,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:13:17,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-02 21:13:17,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:13:17,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1494 [2022-11-02 21:13:17,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:13:17,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:13:17,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:13:17,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:13:17,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:13:17,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:13:17,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:13:17,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:13:17,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:13:17,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:13:17,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:13:17,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:13:17,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:13:17,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:13:17,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:13:17,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 21:13:17,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:13:17,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-02 21:13:17,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:13:17,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-11-02 21:13:17,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:13:17,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:13:17,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:13:17,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 21:13:17,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:13:17,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-11-02 21:13:17,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:13:17,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:13:17,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:13:17,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:13:17,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:13:17,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 21:13:17,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:13:17,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-02 21:13:17,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:13:17,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-11-02 21:13:17,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:13:17,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:13:17,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:13:17,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:13:17,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:13:17,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:13:17,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:13:17,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 21:13:17,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:13:17,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-02 21:13:17,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:13:17,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-11-02 21:13:17,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:13:17,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:13:17,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:13:17,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 21:13:17,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:13:17,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2022-11-02 21:13:17,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:13:17,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:13:17,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:13:17,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:13:17,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:13:18,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:13:18,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:13:18,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:13:18,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:13:18,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 21:13:18,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:13:18,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-02 21:13:18,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:13:18,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-11-02 21:13:18,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:13:18,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:13:18,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:13:18,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 21:13:18,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:13:18,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-11-02 21:13:18,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:13:18,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:13:18,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:13:18,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:13:18,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:13:18,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 21:13:18,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:13:18,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-02 21:13:18,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:13:18,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 406 [2022-11-02 21:13:18,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:13:18,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:13:18,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:13:18,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:13:18,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:13:18,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:13:18,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:13:18,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:13:18,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:13:18,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:13:18,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:13:18,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 21:13:18,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:13:18,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-02 21:13:18,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:13:18,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-11-02 21:13:18,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:13:18,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:13:18,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:13:18,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 21:13:18,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:13:18,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-11-02 21:13:18,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:13:18,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:13:18,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:13:18,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:13:18,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:13:18,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 21:13:18,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:13:18,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-02 21:13:18,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:13:18,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2022-11-02 21:13:18,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:13:18,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:13:18,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:13:18,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:13:18,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:13:18,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:13:18,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:13:18,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 21:13:18,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:13:18,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-02 21:13:18,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:13:18,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-11-02 21:13:18,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:13:18,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-11-02 21:13:18,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:13:18,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 21:13:18,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:13:18,288 INFO L134 CoverageAnalysis]: Checked inductivity of 170318 backedges. 8514 proven. 17293 refuted. 0 times theorem prover too weak. 144511 trivial. 0 not checked. [2022-11-02 21:13:18,288 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 21:13:18,289 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [420765993] [2022-11-02 21:13:18,289 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [420765993] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-02 21:13:18,289 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [328628985] [2022-11-02 21:13:18,289 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-11-02 21:13:18,289 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-02 21:13:18,289 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f22f5dd-cdeb-477b-ae7a-dbe226245889/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 21:13:18,291 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f22f5dd-cdeb-477b-ae7a-dbe226245889/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-02 21:13:18,292 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f22f5dd-cdeb-477b-ae7a-dbe226245889/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2022-11-02 21:13:20,851 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 135 check-sat command(s) [2022-11-02 21:13:20,851 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-02 21:13:20,867 INFO L263 TraceCheckSpWp]: Trace formula consists of 3509 conjuncts, 32 conjunts are in the unsatisfiable core [2022-11-02 21:13:20,896 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 21:13:21,389 INFO L134 CoverageAnalysis]: Checked inductivity of 170318 backedges. 83954 proven. 6262 refuted. 0 times theorem prover too weak. 80102 trivial. 0 not checked. [2022-11-02 21:13:21,389 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-02 21:13:30,039 INFO L134 CoverageAnalysis]: Checked inductivity of 170318 backedges. 11873 proven. 15073 refuted. 0 times theorem prover too weak. 143372 trivial. 0 not checked. [2022-11-02 21:13:30,039 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [328628985] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-02 21:13:30,040 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-02 21:13:30,041 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31, 20, 33] total 50 [2022-11-02 21:13:30,041 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [256140843] [2022-11-02 21:13:30,041 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-02 21:13:30,044 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 50 states [2022-11-02 21:13:30,045 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 21:13:30,045 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 50 interpolants. [2022-11-02 21:13:30,046 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=593, Invalid=1857, Unknown=0, NotChecked=0, Total=2450 [2022-11-02 21:13:30,047 INFO L87 Difference]: Start difference. First operand 236 states and 322 transitions. Second operand has 50 states, 50 states have (on average 5.32) internal successors, (266), 50 states have internal predecessors, (266), 43 states have call successors, (51), 2 states have call predecessors, (51), 18 states have return successors, (74), 32 states have call predecessors, (74), 43 states have call successors, (74) [2022-11-02 21:13:31,265 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 21:13:31,266 INFO L93 Difference]: Finished difference Result 480 states and 673 transitions. [2022-11-02 21:13:31,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-11-02 21:13:31,266 INFO L78 Accepts]: Start accepts. Automaton has has 50 states, 50 states have (on average 5.32) internal successors, (266), 50 states have internal predecessors, (266), 43 states have call successors, (51), 2 states have call predecessors, (51), 18 states have return successors, (74), 32 states have call predecessors, (74), 43 states have call successors, (74) Word has length 2149 [2022-11-02 21:13:31,268 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 21:13:31,271 INFO L225 Difference]: With dead ends: 480 [2022-11-02 21:13:31,272 INFO L226 Difference]: Without dead ends: 249 [2022-11-02 21:13:31,275 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4780 GetRequests, 4700 SyntacticMatches, 16 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1987 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=1074, Invalid=3216, Unknown=0, NotChecked=0, Total=4290 [2022-11-02 21:13:31,276 INFO L413 NwaCegarLoop]: 69 mSDtfsCounter, 682 mSDsluCounter, 257 mSDsCounter, 0 mSdLazyCounter, 914 mSolverCounterSat, 790 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 684 SdHoareTripleChecker+Valid, 326 SdHoareTripleChecker+Invalid, 1704 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 790 IncrementalHoareTripleChecker+Valid, 914 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-11-02 21:13:31,276 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [684 Valid, 326 Invalid, 1704 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [790 Valid, 914 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-11-02 21:13:31,277 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 249 states. [2022-11-02 21:13:31,292 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 249 to 189. [2022-11-02 21:13:31,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 189 states, 152 states have (on average 1.019736842105263) internal successors, (155), 150 states have internal predecessors, (155), 25 states have call successors, (25), 18 states have call predecessors, (25), 11 states have return successors, (68), 20 states have call predecessors, (68), 24 states have call successors, (68) [2022-11-02 21:13:31,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 189 states and 248 transitions. [2022-11-02 21:13:31,295 INFO L78 Accepts]: Start accepts. Automaton has 189 states and 248 transitions. Word has length 2149 [2022-11-02 21:13:31,297 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 21:13:31,297 INFO L495 AbstractCegarLoop]: Abstraction has 189 states and 248 transitions. [2022-11-02 21:13:31,297 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 50 states, 50 states have (on average 5.32) internal successors, (266), 50 states have internal predecessors, (266), 43 states have call successors, (51), 2 states have call predecessors, (51), 18 states have return successors, (74), 32 states have call predecessors, (74), 43 states have call successors, (74) [2022-11-02 21:13:31,297 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 248 transitions. [2022-11-02 21:13:31,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4182 [2022-11-02 21:13:31,502 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 21:13:31,503 INFO L195 NwaCegarLoop]: trace histogram [430, 421, 349, 218, 218, 218, 218, 211, 211, 211, 211, 211, 210, 210, 209, 209, 131, 81, 1, 1, 1, 1] [2022-11-02 21:13:31,537 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f22f5dd-cdeb-477b-ae7a-dbe226245889/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Ended with exit code 0 [2022-11-02 21:13:31,703 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0f22f5dd-cdeb-477b-ae7a-dbe226245889/bin/uautomizer-Dbtcem3rbc/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2022-11-02 21:13:31,703 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting fibonacciErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [fibonacciErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, fibonacciErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, fibonacciErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2022-11-02 21:13:31,705 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:13:31,708 INFO L85 PathProgramCache]: Analyzing trace with hash -225825873, now seen corresponding path program 18 times [2022-11-02 21:13:31,708 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:13:31,708 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [890436574] [2022-11-02 21:13:31,709 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:13:31,709 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:13:33,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat